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2017-11-23Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Two basic fixes: one for the sparse problem with the blacklist flags and another for a hang forever in bnx2i" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: Use 'blist_flags_t' for scsi_devinfo flags scsi: bnx2fc: Fix hung task messages when a cleanup response is not received during abort
2017-11-23Merge tag 'drm-for-v4.15-part2' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull more drm updates from Dave Airlie: "Fixes/cleanups for rc1, non-desktop flags for VR - remove the MSM dt-bindings file Rob managed to push in the previous pull. - add a property/edid quirk to denote HMD devices, I had these hanging around for a few weeks and Keith had done some work on them, they are fairly self contained and small, and only affect people using HTC Vive VR headsets so far. - amdgpu, tegra, tilcdc, fsl fixes - some imx-drm cleanups I missed, these seemed pretty small, and no reason to hold off. I have one TTM regression fix (fixes bochs-vga in qemu) sitting locally awaiting review I'll probably send that in a separate pull request tomorrow" * tag 'drm-for-v4.15-part2' of git://people.freedesktop.org/~airlied/linux: (33 commits) dt-bindings: remove file that was added accidentally drm/edid: quirk HTC vive headset as non-desktop. [v2] drm/fb: add support for not enabling fbcon on non-desktop displays [v2] drm: add connector info/property for non-desktop displays [v2] drm/amdgpu: fix rmmod KCQ disable failed error drm/amdgpu: fix kernel hang when starting VNC server drm/amdgpu: don't skip attributes when powerplay is enabled drm/amd/pp: fix typecast error in powerplay. drm/tilcdc: Remove obsolete "ti,tilcdc,slave" dts binding support drm/tegra: sor: Reimplement pad clock Revert "drm/radeon: dont switch vt on suspend" drm/amd/amdgpu: fix over-bound accessing in amdgpu_cs_wait_any_fence drm/amd/powerplay: fix unfreeze level smc message for smu7 drm/amdgpu:fix memleak drm/amdgpu:fix memleak in takedown drm/amd/pp: fix dpm randomly failed on Vega10 drm/amdgpu: set f_mapping on exported DMA-bufs drm/amdgpu: Properly allocate VM invalidate eng v2 drm/fsl-dcu: enable IRQ before drm_atomic_helper_resume() drm/fsl-dcu: avoid disabling pixel clock twice on suspend ...
2017-11-24Merge tag 'drm-misc-fixes-2017-11-20' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next 4.15 merge window fixes 1 * tag 'drm-misc-fixes-2017-11-20' of git://anongit.freedesktop.org/drm/drm-misc: drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks drm/vc4: Account for interrupts in flight
2017-11-24Merge tag 'drm-intel-next-fixes-2017-11-23' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-next drm/i915 fixes for v4.15 * tag 'drm-intel-next-fixes-2017-11-23' of git://anongit.freedesktop.org/drm/drm-intel: drm/i915: Fix init_clock_gating for resume drm/i915: Mark the userptr invalidate workqueue as WQ_MEM_RECLAIM drm/i915: Clear breadcrumb node when cancelling signaling drm/i915/gvt: ensure -ve return value is handled correctly drm/i915: Re-register PMIC bus access notifier on runtime resume drm/i915: Fix false-positive assert_rpm_wakelock_held in i915_pmic_bus_access_notifier v2
2017-11-24Merge tag 'drm-misc-next-fixes-2017-11-23' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next Fix crtc_id in page_flip event. * tag 'drm-misc-next-fixes-2017-11-23' of git://anongit.freedesktop.org/drm/drm-misc: drm/vblank: Pass crtc_id to page_flip_ioctl.
2017-11-24drm/ttm: don't attempt to use hugepages if dma32 requested (v2)Dave Airlie
The commit below introduced thp support for ttm allocations, however it didn't take into account the case where dma32 was requested. Some drivers always request dma32, and the bochs driver is one of those. This fixes an oops: [ 30.108507] ------------[ cut here ]------------ [ 30.108920] kernel BUG at ./include/linux/gfp.h:408! [ 30.109356] invalid opcode: 0000 [#1] SMP [ 30.109700] Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack devlink ip_set nfnetlink ebtable_nat ebtable_broute bridge ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables snd_hda_codec_generic kvm_intel kvm snd_hda_intel snd_hda_codec irqbypass ppdev snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm bochs_drm ttm joydev drm_kms_helper virtio_balloon snd_timer snd parport_pc drm soundcore parport i2c_piix4 nls_utf8 isofs squashfs zstd_decompress xxhash 8021q garp mrp stp llc virtio_net [ 30.115605] virtio_console virtio_scsi crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_pci virtio_ring virtio ata_generic pata_acpi qemu_fw_cfg sunrpc scsi_transport_iscsi loop [ 30.117425] CPU: 0 PID: 1347 Comm: gnome-shell Not tainted 4.15.0-0.rc0.git6.1.fc28.x86_64 #1 [ 30.118141] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-2.fc27 04/01/2014 [ 30.118866] task: ffff923a77e03380 task.stack: ffffa78182228000 [ 30.119366] RIP: 0010:__alloc_pages_nodemask+0x35e/0x430 [ 30.119810] RSP: 0000:ffffa7818222bba8 EFLAGS: 00010202 [ 30.120250] RAX: 0000000000000001 RBX: 00000000014382c6 RCX: 0000000000000006 [ 30.120840] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000000 [ 30.121443] RBP: ffff923a760d6000 R08: 0000000000000000 R09: 0000000000000006 [ 30.122039] R10: 0000000000000040 R11: 0000000000000300 R12: ffff923a729273c0 [ 30.122629] R13: 0000000000000000 R14: 0000000000000000 R15: ffff923a7483d400 [ 30.123223] FS: 00007fe48da7dac0(0000) GS:ffff923a7cc00000(0000) knlGS:0000000000000000 [ 30.123896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.124373] CR2: 00007fe457b73000 CR3: 0000000078313000 CR4: 00000000000006f0 [ 30.124968] Call Trace: [ 30.125186] ttm_pool_populate+0x19b/0x400 [ttm] [ 30.125578] ttm_bo_vm_fault+0x325/0x570 [ttm] [ 30.125964] __do_fault+0x19/0x11e [ 30.126255] __handle_mm_fault+0xcd3/0x1260 [ 30.126609] handle_mm_fault+0x14c/0x310 [ 30.126947] __do_page_fault+0x28c/0x530 [ 30.127282] do_page_fault+0x32/0x270 [ 30.127593] async_page_fault+0x22/0x30 [ 30.127922] RIP: 0033:0x7fe48aae39a8 [ 30.128225] RSP: 002b:00007ffc21c4d928 EFLAGS: 00010206 [ 30.128664] RAX: 00007fe457b73000 RBX: 000055cd4c1041a0 RCX: 00007fe457b73040 [ 30.129259] RDX: 0000000000300000 RSI: 0000000000000000 RDI: 00007fe457b73000 [ 30.129855] RBP: 0000000000000300 R08: 000000000000000c R09: 0000000100000000 [ 30.130457] R10: 0000000000000001 R11: 0000000000000246 R12: 000055cd4c1041a0 [ 30.131054] R13: 000055cd4bdfe990 R14: 000055cd4c104110 R15: 0000000000000400 [ 30.131648] Code: 11 01 00 0f 84 a9 00 00 00 65 ff 0d 6d cc dd 44 e9 0f ff ff ff 40 80 cd 80 e9 99 fe ff ff 48 89 c7 e8 e7 f6 01 00 e9 b7 fe ff ff <0f> 0b 0f ff e9 40 fd ff ff 65 48 8b 04 25 80 d5 00 00 8b 40 4c [ 30.133245] RIP: __alloc_pages_nodemask+0x35e/0x430 RSP: ffffa7818222bba8 [ 30.133836] ---[ end trace d4f1deb60784f40a ]--- v2: handle free path as well. Reported-by: Laura Abbott <labbott@redhat.com> Reported-by: Adam Williamson <awilliam@redhat.com> Fixes: 0284f1ead87463bc17cf5e81a24fc65c052486f3 (drm/ttm: add transparent huge page support for cached allocations v2) Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-11-23x86/PCI: Remove unused HyperTransport interrupt supportBjorn Helgaas
There are no in-tree callers of ht_create_irq(), the driver interface for HyperTransport interrupts, left. Remove the unused entry point and all the supporting code. See 8b955b0dddb3 ("[PATCH] Initial generic hypertransport interrupt support"). Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-pci@vger.kernel.org Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Link: https://lkml.kernel.org/r/20171122221337.3877.23362.stgit@bhelgaas-glaptop.roam.corp.google.com
2017-11-23irqchip/imgpdc: Use resource_size function on resource objectVasyl Gomonovych
drivers/irqchip/irq-imgpdc.c:327:20-23: WARNING: Suspicious code. resource_size is maybe missing with res_regs Generated by: scripts/coccinelle/api/resource_size.cocci Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: marc.zyngier@arm.com Cc: jason@lakedaemon.net Link: https://lkml.kernel.org/r/1511215361-8279-1-git-send-email-gomonovych@gmail.com
2017-11-23irqchip/qcom: Fix u32 comparison with value less than zeroColin Ian King
The comparison of u32 nregs being less than zero is never true since nregs is unsigned. Fix this by making nregs a signed integer. Fixes: f20cc9b00c7b ("irqchip/qcom: Add IRQ combiner driver") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: kernel-janitors@vger.kernel.org Cc: Jason Cooper <jason@lakedaemon.net> Link: https://lkml.kernel.org/r/20171117183553.2739-1-colin.king@canonical.com
2017-11-24ipvlan: Fix insufficient skb linear check for ipv6 icmpGao Feng
In the function ipvlan_get_L3_hdr, current codes use pskb_may_pull to make sure the skb header has enough linear room for ipv6 header. But it would use the latter memory directly without linear check when it is icmp. So it still may access the unepxected memory in ipvlan_addr_lookup. Now invoke the pskb_may_pull again if it is ipv6 icmp. Signed-off-by: Gao Feng <gfree.wind@vip.163.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-24ipvlan: Fix insufficient skb linear check for arpGao Feng
In the function ipvlan_get_L3_hdr, current codes use pskb_may_pull to make sure the skb header has enough linear room for arp header. But it would access the arp payload in func ipvlan_addr_lookup. So it still may access the unepxected memory. Now use arp_hdr_len(port->dev) instead of the arp header as the param. Signed-off-by: Gao Feng <gfree.wind@vip.163.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-24geneve: only configure or fill UDP_ZERO_CSUM6_RX/TX info when CONFIG_IPV6Hangbin Liu
Stefano pointed that configure or show UDP_ZERO_CSUM6_RX/TX info doesn't make sense if we haven't enabled CONFIG_IPV6. Fix it by adding if IS_ENABLED(CONFIG_IPV6) check. Fixes: abe492b4f50c ("geneve: UDP checksum configuration via netlink") Fixes: fd7eafd02121 ("geneve: fix fill_info when link down") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-24Merge tag 'wireless-drivers-for-davem-2017-11-22' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers Kalle Valo says: ==================== wireless-drivers fixes for 4.15 First set of fixes for 4.15. Most important here is the iwlwifi fix for scan command firmware interface change. ath10k * fix CCMP-256, GCMP and GCMP-256 in raw mode, it was never working wcn36xx * fix device tree node search iwlwifi * fix a regression with firmware API change of scan cmd (introduced in firmware version 34) * add a bunch of PCI IDs and fix configuration structs for A000 devices * fix the exported firmware name strings for 9000 and A000 devices ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-24Merge branch '40GbE' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue Jeff Kirsher says: ==================== Intel Wired LAN Driver Fixes 2017-11-21 This series contains fixes for igb/vf, ixgbe/vf, i40e/vf and fm10k. Jake fixes a regression issue with older firmware, where we were using the NVM lock to synchronize NVM reads for all devices and firmware versions, yet this caused issues with older firmware prior to version 1.5. Fixed this by only grabbing the lock for newer devices and firmware version 1.5 or newer. Zijie Pan fixes the calculation of the i40e VF MAC addresses, where it was possible to increment to the next MAC entry without calling i40e_add_mac_filter(). Amritha removes the upper limit of 64 queues on a channel VSI since the upper bound is determined by the VSI's num_queue_pairs. Filip fixes an issue during FLR resets, where should have been checking for upcoming core reset and if so, just return with I40E_ERR_NOT_READY. Alan fixes the notifying clients of l2 parameters by copying the parameters to the client instance struct and re-organizes the priority in which the client tasks fire so that if the flag for notifying l2 params is set, it will trigger before the client open task. Also fixed the promiscuous settings after reset for all the VSI's. Brian King from IBM fixes an issue seen on Power systems which would result in skb list corruption and eventual kernel oops. Brian provides the same fix for nearly all our drivers, to replace the read_barrier_depends with smp_rmb() to ensure loads are ordered with respect to the load of tx_buffer->next_to_watch. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-24net: dsa: bcm_sf2: Clear IDDQ_GLOBAL_PWR bit for PHYFlorian Fainelli
The PHY on BCM7278 has an additional bit that needs to be cleared: IDDQ_GLOBAL_PWR, without doing this, the PHY remains stuck in reset out of suspend/resume cycles. Fixes: 0fe9933804eb ("net: dsa: bcm_sf2: Add support for BCM7278 integrated switch") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller
Daniel Borkmann says: ==================== pull-request: bpf 2017-11-23 The following pull-request contains BPF updates for your *net* tree. The main changes are: 1) Several BPF offloading fixes, from Jakub. Among others: - Limit offload to cls_bpf and XDP program types only. - Move device validation into the driver and don't make any assumptions about the device in the classifier due to shared blocks semantics. - Don't pass offloaded XDP program into the driver when it should be run in native XDP instead. Offloaded ones are not JITed for the host in such cases. - Don't destroy device offload state when moved to another namespace. - Revert dumping offload info into user space for now, since ifindex alone is not sufficient. This will be redone properly for bpf-next tree. 2) Fix test_verifier to avoid using bpf_probe_write_user() helper in test cases, since it's dumping a warning into kernel log which may confuse users when only running tests. Switch to use bpf_trace_printk() instead, from Yonghong. 3) Several fixes for correcting ARG_CONST_SIZE_OR_ZERO semantics before it becomes uabi, from Gianluca. More specifically: - Add a type ARG_PTR_TO_MEM_OR_NULL that is used only by bpf_csum_diff(), where the argument is either a valid pointer or NULL. The subsequent ARG_CONST_SIZE_OR_ZERO then enforces a valid pointer in case of non-0 size or a valid pointer or NULL in case of size 0. Given that, the semantics for ARG_PTR_TO_MEM in combination with ARG_CONST_SIZE_OR_ZERO are now such that in case of size 0, the pointer must always be valid and cannot be NULL. This fix in semantics allows for bpf_probe_read() to drop the recently added size == 0 check in the helper that would become part of uabi otherwise once released. At the same time we can then fix bpf_probe_read_str() and bpf_perf_event_output() to use ARG_CONST_SIZE_OR_ZERO instead of ARG_CONST_SIZE in order to fix recently reported issues by Arnaldo et al, where LLVM optimizes two boundary checks into a single one for unknown variables where the verifier looses track of the variable bounds and thus rejects valid programs otherwise. 4) A fix for the verifier for the case when it detects comparison of two constants where the branch is guaranteed to not be taken at runtime. Verifier will rightfully prune the exploration of such paths, but we still pass the program to JITs, where they would complain about using reserved fields, etc. Track such dead instructions and sanitize them with mov r0,r0. Rejection is not possible since LLVM may generate them for valid C code and doesn't do as much data flow analysis as verifier. For bpf-next we might implement removal of such dead code and adjust branches instead. Fix from Alexei. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-24net: accept UFO datagrams from tuntap and packetWillem de Bruijn
Tuntap and similar devices can inject GSO packets. Accept type VIRTIO_NET_HDR_GSO_UDP, even though not generating UFO natively. Processes are expected to use feature negotiation such as TUNSETOFFLOAD to detect supported offload types and refrain from injecting other packets. This process breaks down with live migration: guest kernels do not renegotiate flags, so destination hosts need to expose all features that the source host does. Partially revert the UFO removal from 182e0b6b5846~1..d9d30adf5677. This patch introduces nearly(*) no new code to simplify verification. It brings back verbatim tuntap UFO negotiation, VIRTIO_NET_HDR_GSO_UDP insertion and software UFO segmentation. It does not reinstate protocol stack support, hardware offload (NETIF_F_UFO), SKB_GSO_UDP tunneling in SKB_GSO_SOFTWARE or reception of VIRTIO_NET_HDR_GSO_UDP packets in tuntap. To support SKB_GSO_UDP reappearing in the stack, also reinstate logic in act_csum and openvswitch. Achieve equivalence with v4.13 HEAD by squashing in commit 939912216fa8 ("net: skb_needs_check() removes CHECKSUM_UNNECESSARY check for tx.") and reverting commit 8d63bee643f1 ("net: avoid skb_warn_bad_offload false positives on UFO"). (*) To avoid having to bring back skb_shinfo(skb)->ip6_frag_id, ipv6_proxy_select_ident is changed to return a __be32 and this is assigned directly to the frag_hdr. Also, SKB_GSO_UDP is inserted at the end of the enum to minimize code churn. Tested Booted a v4.13 guest kernel with QEMU. On a host kernel before this patch `ethtool -k eth0` shows UFO disabled. After the patch, it is enabled, same as on a v4.13 host kernel. A UFO packet sent from the guest appears on the tap device: host: nc -l -p -u 8000 & tcpdump -n -i tap0 guest: dd if=/dev/zero of=payload.txt bs=1 count=2000 nc -u 192.16.1.1 8000 < payload.txt Direct tap to tap transmission of VIRTIO_NET_HDR_GSO_UDP succeeds, packets arriving fragmented: ./with_tap_pair.sh ./tap_send_ufo tap0 tap1 (from https://github.com/wdebruij/kerneltools/tree/master/tests) Changes v1 -> v2 - simplified set_offload change (review comment) - documented test procedure Link: http://lkml.kernel.org/r/<CAF=yD-LuUeDuL9YWPJD9ykOZ0QCjNeznPDr6whqZ9NGMNF12Mw@mail.gmail.com> Fixes: fb652fdfe837 ("macvlan/macvtap: Remove NETIF_F_UFO advertisement.") Reported-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-24net: realtek: r8169: implement set_link_ksettings()Tobias Jakobi
Commit 6fa1ba61520576cf1346c4ff09a056f2950cb3bf partially implemented the new ethtool API, by replacing get_settings() with get_link_ksettings(). This breaks ethtool, since the userspace tool (according to the new API specs) never tries the legacy set() call, when the new get() call succeeds. All attempts to chance some setting from userspace result in: > Cannot set new settings: Operation not supported Implement the missing set() call. Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-24net: phy: cortina: add missing MODULE_DESCRIPTION/AUTHOR/LICENSEJesse Chan
This change resolves a new compile-time warning when built as a loadable module: WARNING: modpost: missing MODULE_LICENSE() in drivers/net/phy/cortina.o see include/linux/module.h for more information This adds the license as "GPL", which matches the header of the file. MODULE_DESCRIPTION and MODULE_AUTHOR are also added. Signed-off-by: Jesse Chan <jc@linux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-23Merge tag 'for-linus-timers-conversion-final-v4.15-rc1' of ↵Thomas Gleixner
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux into timers/urgent Pull the last batch of manual timer conversions from Kees Cook: - final batch of "non trivial" timer conversions (multi-tree dependencies, things Coccinelle couldn't handle, etc). - treewide conversions via Coccinelle, in 4 steps: - DEFINE_TIMER() functions converted to struct timer_list * argument - init_timer() -> setup_timer() - setup_timer() -> timer_setup() - setup_timer() -> timer_setup() (with a single embedded structure) - deprecated timer API removals (init_timer(), setup_*timer()) - finalization of new API (remove global casts)
2017-11-23drm/vblank: Pass crtc_id to page_flip_ioctl.Maarten Lankhorst
We added crtc_id to the atomic ioctl, but forgot to add it for vblank and page flip events. Commit bd386e518056 ("drm: Reorganize drm_pending_event to support future event types [v2]") added it to the vblank event, but page flip event was still missing. Correct this and add a test for making sure we always set crtc_id correctly. Fixes: bd386e518056 ("drm: Reorganize drm_pending_event to support future event types [v2]") Fixes: 5db06a8a98f5 ("drm: Pass CRTC ID in userspace vblank events") Cc: Daniel Stone <daniels@collabora.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Gustavo Padovan <gustavo@padovan.org> Cc: Sean Paul <seanpaul@chromium.org> Cc: dri-devel@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v4.12+ Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> #irc Testcase: igt/kms_vblank/crtc_id Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171123103737.47138-1-maarten.lankhorst@linux.intel.com
2017-11-22Merge tag 'pwm/for-4.15-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "The changes for this release include power management improvements for the pwm-img driver, support for the backup mode on pwm-atmel-tcb as well as support for more hardware with the R-Car and Mediatek drivers. To round things off there's a bit of cleanup for sunxi and stm32-lp" * tag 'pwm/for-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: pwm: stm32-lp: Remove pwm_is_enabled() check before calling pwm_disable() pwm: mediatek: Add MT2712/MT7622 support pwm: sunxi: Use of_device_get_match_data() pwm: atmel-tcb: Support backup mode dt-bindings: pwm: Add R-Car D3 device tree bindings pwm: img: Add runtime PM pwm: img: Add suspend / resume handling
2017-11-22Merge tag 'rtc-4.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "There is nothing scary this cycle, mostly driver fixes and updates. The core fix has been in for a while and has been tested on multiple kernel revisions by multiple teams. Core: - Fix setting the alarm to the next expiring timer New drivers: - Mediatek MT7622 RTC - NXP PCF85363 - Spreadtrum SC27xx PMIC RTC Drivers updates: - Use generic nvmem to expose the Non volatile ram for ds1305, ds1511, m48t86 and omap - abx80x: solve possible race condition at probe - armada38x: support trimming the RTC oscillator - at91rm9200: fix reading the alarm value at boot - ds1511: allow waking platform - m41t80: rework square wave output - pcf8523: support trimming the RTC oscillator - pcf8563: fix clock output rate - pl031: make interrupt optional - xgene: fix suspend/resume" * tag 'rtc-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits) dt-bindings: rtc: imxdi: Improve the bindings text rtc: sc27xx: Add Spreadtrum SC27xx PMIC RTC driver dt-bindings: rtc: Add Spreadtrum SC27xx RTC documentation rtc: at91rm9200: fix reading alarm value rtc: at91rm9200: stop calculating yday in at91_rtc_readalarm rtc: sysfs: Use time64_t variables to set time/alarm rtc: xgene: mark PM functions as __maybe_unused rtc: xgene: Fix suspend/resume rtc: pcf8563: don't alway enable the alarm rtc: pcf8563: fix output clock rate rtc: rx8010: Fix for incorrect return value rtc: rx8010: Specify correct address for RX8010_RESV31 rtc: rx8010: Remove duplicate define rtc: m41t80: remove unneeded checks from m41t80_sqw_set_rate rtc: m41t80: avoid i2c read in m41t80_sqw_is_prepared rtc: m41t80: avoid i2c read in m41t80_sqw_recalc_rate rtc: m41t80: fix m41t80_sqw_round_rate return value rtc: m41t80: m41t80_sqw_set_rate should return 0 on success rtc: add support for NXP PCF85363 real-time clock rtc: omap: Support scratch registers ...
2017-11-22Merge tag 'for-linus-20171120' of git://git.infradead.org/linux-mtdLinus Torvalds
Pull MTD updates from Richard Weinberger: "General changes: - Unconfuse get_unmapped_area and point/unpoint driver methods - New partition parser: sharpslpart - Kill GENERIC_IO - Various fixes NAND changes: - Add a flag to mark NANDs that require 3 address cycles to encode a page address - Set a default ECC/free layout when NAND_ECC_NONE is requested - Fix a bug in panic_nand_write() - Another batch of cleanups for the denali driver - Fix PM support in the atmel driver - Remove support for platform data in the omap driver - Fix subpage write in the omap driver - Fix irq handling in the mtk driver - Change link order of mtk_ecc and mtk_nand drivers to speed up boot time - Change log level of ECC error messages in the mxc driver - Patch the pxa3xx driver to support Armada 8k platforms - Add BAM DMA support to the qcom driver - Convert gpio-nand to the GPIO desc API - Fix ECC handling in the mt29f driver SPI-NOR changes: - Introduce system power management support - New mechanism to select the proper .quad_enable() hook by JEDEC ID, when needed, instead of only by manufacturer ID - Add support to new memory parts from Gigadevice, Winbond, Macronix and Everspin - Maintainance for Cadence, Intel, Mediatek and STM32 drivers" * tag 'for-linus-20171120' of git://git.infradead.org/linux-mtd: (85 commits) mtd: Avoid probe failures when mtd->dbg.dfs_dir is invalid mtd: sharpslpart: Add sharpslpart partition parser mtd: Add sanity checks in mtd_write/read_oob() mtd: remove the get_unmapped_area method mtd: implement mtd_get_unmapped_area() using the point method mtd: chips/map_rom.c: implement point and unpoint methods mtd: chips/map_ram.c: implement point and unpoint methods mtd: mtdram: properly handle the phys argument in the point method mtd: mtdswap: fix spelling mistake: 'TRESHOLD' -> 'THRESHOLD' mtd: slram: use memremap() instead of ioremap() kconfig: kill off GENERIC_IO option mtd: Fix C++ comment in include/linux/mtd/mtd.h mtd: constify mtd_partition mtd: plat-ram: Replace manual resource management by devm mtd: nand: Fix writing mtdoops to nand flash. mtd: intel-spi: Add Intel Lewisburg PCH SPI super SKU PCI ID mtd: nand: mtk: fix infinite ECC decode IRQ issue mtd: spi-nor: Add support for mr25h128 mtd: nand: mtk: change the compile sequence of mtk_nand.o and mtk_ecc.o mtd: spi-nor: enable 4B opcodes for mx66l51235l ...
2017-11-23drm/edid: quirk HTC vive headset as non-desktop. [v2]Dave Airlie
This uses the EDID info from my HTC Vive to mark it as non-desktop. v2: Change description from non-standard to non-desktop Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-11-23drm/fb: add support for not enabling fbcon on non-desktop displays [v2]Dave Airlie
We don't want fbcon to get used on non-desktop dislays, don't pass them as enabled connectors to the fb helper setup. This prevents my HMD from getting disorted fbcon, and from affecting other displays console. v2: Change description from non-standard to non-desktop Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-11-23drm: add connector info/property for non-desktop displays [v2]Dave Airlie
This adds the infrastructure needed to quirk displays using edid and to mark them a non-desktop. A non-desktop display is one which shouldn't normally be included as a part of a desktop environment. This is meant to cover head mounted devices like HTC Vive. v2: Change description from non-standard to non-desktop, add docs Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Dave Airlie <airlied@redhat.com> fixup docs
2017-11-23Merge tag 'tilcdc-4.15-fixes' of https://github.com/jsarha/linux into drm-nextDave Airlie
tilcdc fixes for v4.15 * tag 'tilcdc-4.15-fixes' of https://github.com/jsarha/linux: drm/tilcdc: Remove obsolete "ti,tilcdc,slave" dts binding support
2017-11-23Merge branch 'drm-next-4.15' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie
into drm-next more misc amdgpu fixes. * 'drm-next-4.15' of git://people.freedesktop.org/~agd5f/linux: drm/amdgpu: fix rmmod KCQ disable failed error drm/amdgpu: fix kernel hang when starting VNC server drm/amdgpu: don't skip attributes when powerplay is enabled drm/amd/pp: fix typecast error in powerplay. Revert "drm/radeon: dont switch vt on suspend" drm/amd/amdgpu: fix over-bound accessing in amdgpu_cs_wait_any_fence drm/amd/powerplay: fix unfreeze level smc message for smu7 drm/amdgpu:fix memleak drm/amdgpu:fix memleak in takedown
2017-11-23Merge tag 'imx-drm-next-2017-10-18' of ↵Dave Airlie
git://git.pengutronix.de/git/pza/linux into drm-next drm/imx: various cleanups - Switch to drm_*_get/put() helpers - Use correct parallel-display connector enum: DPI instead of VGA - Remove incorrect unit name from device tree binding documentation example - Remove an unused variable * tag 'imx-drm-next-2017-10-18' of git://git.pengutronix.de/git/pza/linux: gpu: ipu-v3: ipu-dc: Remove unused 'di' variable dt-bindings: fsl-imx-drm: Remove incorrect "@di0" usage drm/imx: parallel-display: use correct connector enum drm/imx: switch to drm_*_get(), drm_*_put() helpers
2017-11-23Merge tag 'drm/tegra/for-4.15-rc1-fixes' of ↵Dave Airlie
git://anongit.freedesktop.org/tegra/linux into drm-next drm/tegra: Fixes for v4.15-rc1 This includes an update to the SOR pad clock programming needed because of some changes that went in through the clock tree. * tag 'drm/tegra/for-4.15-rc1-fixes' of git://anongit.freedesktop.org/tegra/linux: drm/tegra: sor: Reimplement pad clock
2017-11-21i40evf: Use smp_rmb rather than read_barrier_dependsBrian King
The original issue being fixed in this patch was seen with the ixgbe driver, but the same issue exists with i40evf as well, as the code is very similar. read_barrier_depends is not sufficient to ensure loads following it are not speculatively loaded out of order by the CPU, which can result in stale data being loaded, causing potential system crashes. Cc: stable <stable@vger.kernel.org> Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21fm10k: Use smp_rmb rather than read_barrier_dependsBrian King
The original issue being fixed in this patch was seen with the ixgbe driver, but the same issue exists with fm10k as well, as the code is very similar. read_barrier_depends is not sufficient to ensure loads following it are not speculatively loaded out of order by the CPU, which can result in stale data being loaded, causing potential system crashes. Cc: stable <stable@vger.kernel.org> Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21igb: Use smp_rmb rather than read_barrier_dependsBrian King
The original issue being fixed in this patch was seen with the ixgbe driver, but the same issue exists with igb as well, as the code is very similar. read_barrier_depends is not sufficient to ensure loads following it are not speculatively loaded out of order by the CPU, which can result in stale data being loaded, causing potential system crashes. Cc: stable <stable@vger.kernel.org> Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21igbvf: Use smp_rmb rather than read_barrier_dependsBrian King
The original issue being fixed in this patch was seen with the ixgbe driver, but the same issue exists with igbvf as well, as the code is very similar. read_barrier_depends is not sufficient to ensure loads following it are not speculatively loaded out of order by the CPU, which can result in stale data being loaded, causing potential system crashes. Cc: stable <stable@vger.kernel.org> Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21ixgbevf: Use smp_rmb rather than read_barrier_dependsBrian King
The original issue being fixed in this patch was seen with the ixgbe driver, but the same issue exists with ixgbevf as well, as the code is very similar. read_barrier_depends is not sufficient to ensure loads following it are not speculatively loaded out of order by the CPU, which can result in stale data being loaded, causing potential system crashes. Cc: stable <stable@vger.kernel.org> Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21i40e: Use smp_rmb rather than read_barrier_dependsBrian King
The original issue being fixed in this patch was seen with the ixgbe driver, but the same issue exists with i40e as well, as the code is very similar. read_barrier_depends is not sufficient to ensure loads following it are not speculatively loaded out of order by the CPU, which can result in stale data being loaded, causing potential system crashes. Cc: stable <stable@vger.kernel.org> Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21ixgbe: Fix skb list corruption on Power systemsBrian King
This patch fixes an issue seen on Power systems with ixgbe which results in skb list corruption and an eventual kernel oops. The following is what was observed: CPU 1 CPU2 ============================ ============================ 1: ixgbe_xmit_frame_ring ixgbe_clean_tx_irq 2: first->skb = skb eop_desc = tx_buffer->next_to_watch 3: ixgbe_tx_map read_barrier_depends() 4: wmb check adapter written status bit 5: first->next_to_watch = tx_desc napi_consume_skb(tx_buffer->skb ..); 6: writel(i, tx_ring->tail); The read_barrier_depends is insufficient to ensure that tx_buffer->skb does not get loaded prior to tx_buffer->next_to_watch, which then results in loading a stale skb pointer. This patch replaces the read_barrier_depends with smp_rmb to ensure loads are ordered with respect to the load of tx_buffer->next_to_watch. Cc: stable <stable@vger.kernel.org> Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21i40e: restore promiscuous after resetAlan Brady
After a reset we rebuild the VSIs which is going to clobber any promiscuous settings we had before reset. This makes it so that we restore the promiscuous settings we had before reset. Signed-off-by: Alan Brady <alan.brady@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21i40evf: fix client notify of l2 paramsAlan Brady
The current method for notifying clients of l2 parameters is broken because we fail to copy the new parameters to the client instance struct, we need to do the notification before the client 'open' function pointer gets called, and lastly we should set the l2 parameters when first adding a client instance. This patch first introduces the i40evf_client_get_params function to prevent code duplication in the i40evf_client_add_instance and the i40evf_notify_client_l2_params functions. We then fix the notify l2 params function to actually copy the parameters to client instance struct and do the same in the *_add_instance' function. Lastly this patch reorganizes the priority in which client tasks fire so that if the flag for notifying l2 params is set, it will trigger before the open because the client needs these new parameters as part of a client open task. Signed-off-by: Alan Brady <alan.brady@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21i40e: Fix FLR reset timeout issueFilip Sadowski
This patch allows detection of upcoming core reset in case NIC gets stuck while performing FLR reset. The i40e_pf_reset() function returns I40E_ERR_NOT_READY when global reset was detected. Signed-off-by: Filip Sadowski <filip.sadowski@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21i40e: Remove limit of 64 max queues per channelAmritha Nambiar
It is safe to remove the upper limit of 64 queues on a channel VSI. The upper bound is determined by the VSI's num_queue_pairs and gets validated when the queue mapping info through mqprio interface is subject to bound checking in the driver. Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21i40e: fix the calculation of VFs mac addressesZijie Pan
num_mac should be increased only after the call to i40e_add_mac_filter(). Fixes: 5f527ba962e2 ("i40e: Limit the number of MAC and VLAN addresses that can be added for VFs") Signed-off-by: Zijie Pan <zijie.pan@6wind.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Reviewed-by: Tushar Dave <tushar.n.dave@oracle.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21i40e: Fix for NUP NVM image downgrade failureJacob Keller
Since commit 96a39aed25e6 ("i40e: Acquire NVM lock before reads on all devices") we've used the NVM lock to synchronize NVM reads even on devices which don't strictly need the lock. Doing so can cause a regression on older firmware prior to 1.5, especially when downgrading the firmware. Fix this by only grabbing the lock if we're running on an X722 device (which requires the lock as it uses the AdminQ to read the NVM), or if we're currently running 1.5 or newer firmware. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-11-21treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE castsKees Cook
With all callbacks converted, and the timer callback prototype switched over, the TIMER_FUNC_TYPE cast is no longer needed, so remove it. Conversion was done with the following scripts: perl -pi -e 's|\(TIMER_FUNC_TYPE\)||g' \ $(git grep TIMER_FUNC_TYPE | cut -d: -f1 | sort -u) perl -pi -e 's|\(TIMER_DATA_TYPE\)||g' \ $(git grep TIMER_DATA_TYPE | cut -d: -f1 | sort -u) The now unused macros are also dropped from include/linux/timer.h. Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-21treewide: setup_timer() -> timer_setup() (2 field)Kees Cook
This converts all remaining setup_timer() calls that use a nested field to reach a struct timer_list. Coccinelle does not have an easy way to match multiple fields, so a new script is needed to change the matches of "&_E->_timer" into "&_E->_field1._timer" in all the rules. spatch --very-quiet --all-includes --include-headers \ -I ./arch/x86/include -I ./arch/x86/include/generated \ -I ./include -I ./arch/x86/include/uapi \ -I ./arch/x86/include/generated/uapi -I ./include/uapi \ -I ./include/generated/uapi --include ./include/linux/kconfig.h \ --dir . \ --cocci-file ~/src/data/timer_setup-2fields.cocci @fix_address_of depends@ expression e; @@ setup_timer( -&(e) +&e , ...) // Update any raw setup_timer() usages that have a NULL callback, but // would otherwise match change_timer_function_usage, since the latter // will update all function assignments done in the face of a NULL // function initialization in setup_timer(). @change_timer_function_usage_NULL@ expression _E; identifier _field1; identifier _timer; type _cast_data; @@ ( -setup_timer(&_E->_field1._timer, NULL, _E); +timer_setup(&_E->_field1._timer, NULL, 0); | -setup_timer(&_E->_field1._timer, NULL, (_cast_data)_E); +timer_setup(&_E->_field1._timer, NULL, 0); | -setup_timer(&_E._field1._timer, NULL, &_E); +timer_setup(&_E._field1._timer, NULL, 0); | -setup_timer(&_E._field1._timer, NULL, (_cast_data)&_E); +timer_setup(&_E._field1._timer, NULL, 0); ) @change_timer_function_usage@ expression _E; identifier _field1; identifier _timer; struct timer_list _stl; identifier _callback; type _cast_func, _cast_data; @@ ( -setup_timer(&_E->_field1._timer, _callback, _E); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E->_field1._timer, &_callback, _E); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E->_field1._timer, _callback, (_cast_data)_E); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E->_field1._timer, &_callback, (_cast_data)_E); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E->_field1._timer, (_cast_func)_callback, _E); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E->_field1._timer, (_cast_func)&_callback, _E); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E->_field1._timer, (_cast_func)_callback, (_cast_data)_E); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E->_field1._timer, (_cast_func)&_callback, (_cast_data)_E); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, _callback, (_cast_data)_E); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, _callback, (_cast_data)&_E); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, &_callback, (_cast_data)_E); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, &_callback, (_cast_data)&_E); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, (_cast_func)_callback, (_cast_data)_E); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, (_cast_func)_callback, (_cast_data)&_E); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, (_cast_func)&_callback, (_cast_data)_E); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, (_cast_func)&_callback, (_cast_data)&_E); +timer_setup(&_E._field1._timer, _callback, 0); | _E->_field1._timer@_stl.function = _callback; | _E->_field1._timer@_stl.function = &_callback; | _E->_field1._timer@_stl.function = (_cast_func)_callback; | _E->_field1._timer@_stl.function = (_cast_func)&_callback; | _E._field1._timer@_stl.function = _callback; | _E._field1._timer@_stl.function = &_callback; | _E._field1._timer@_stl.function = (_cast_func)_callback; | _E._field1._timer@_stl.function = (_cast_func)&_callback; ) // callback(unsigned long arg) @change_callback_handle_cast depends on change_timer_function_usage@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._field1; identifier change_timer_function_usage._timer; type _origtype; identifier _origarg; type _handletype; identifier _handle; @@ void _callback( -_origtype _origarg +struct timer_list *t ) { ( ... when != _origarg _handletype *_handle = -(_handletype *)_origarg; +from_timer(_handle, t, _field1._timer); ... when != _origarg | ... when != _origarg _handletype *_handle = -(void *)_origarg; +from_timer(_handle, t, _field1._timer); ... when != _origarg | ... when != _origarg _handletype *_handle; ... when != _handle _handle = -(_handletype *)_origarg; +from_timer(_handle, t, _field1._timer); ... when != _origarg | ... when != _origarg _handletype *_handle; ... when != _handle _handle = -(void *)_origarg; +from_timer(_handle, t, _field1._timer); ... when != _origarg ) } // callback(unsigned long arg) without existing variable @change_callback_handle_cast_no_arg depends on change_timer_function_usage && !change_callback_handle_cast@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._field1; identifier change_timer_function_usage._timer; type _origtype; identifier _origarg; type _handletype; @@ void _callback( -_origtype _origarg +struct timer_list *t ) { + _handletype *_origarg = from_timer(_origarg, t, _field1._timer); + ... when != _origarg - (_handletype *)_origarg + _origarg ... when != _origarg } // Avoid already converted callbacks. @match_callback_converted depends on change_timer_function_usage && !change_callback_handle_cast && !change_callback_handle_cast_no_arg@ identifier change_timer_function_usage._callback; identifier t; @@ void _callback(struct timer_list *t) { ... } // callback(struct something *handle) @change_callback_handle_arg depends on change_timer_function_usage && !match_callback_converted && !change_callback_handle_cast && !change_callback_handle_cast_no_arg@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._field1; identifier change_timer_function_usage._timer; type _handletype; identifier _handle; @@ void _callback( -_handletype *_handle +struct timer_list *t ) { + _handletype *_handle = from_timer(_handle, t, _field1._timer); ... } // If change_callback_handle_arg ran on an empty function, remove // the added handler. @unchange_callback_handle_arg depends on change_timer_function_usage && change_callback_handle_arg@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._field1; identifier change_timer_function_usage._timer; type _handletype; identifier _handle; identifier t; @@ void _callback(struct timer_list *t) { - _handletype *_handle = from_timer(_handle, t, _field1._timer); } // We only want to refactor the setup_timer() data argument if we've found // the matching callback. This undoes changes in change_timer_function_usage. @unchange_timer_function_usage depends on change_timer_function_usage && !change_callback_handle_cast && !change_callback_handle_cast_no_arg && !change_callback_handle_arg@ expression change_timer_function_usage._E; identifier change_timer_function_usage._field1; identifier change_timer_function_usage._timer; identifier change_timer_function_usage._callback; type change_timer_function_usage._cast_data; @@ ( -timer_setup(&_E->_field1._timer, _callback, 0); +setup_timer(&_E->_field1._timer, _callback, (_cast_data)_E); | -timer_setup(&_E._field1._timer, _callback, 0); +setup_timer(&_E._field1._timer, _callback, (_cast_data)&_E); ) // If we fixed a callback from a .function assignment, fix the // assignment cast now. @change_timer_function_assignment depends on change_timer_function_usage && (change_callback_handle_cast || change_callback_handle_cast_no_arg || change_callback_handle_arg)@ expression change_timer_function_usage._E; identifier change_timer_function_usage._field1; identifier change_timer_function_usage._timer; identifier change_timer_function_usage._callback; type _cast_func; typedef TIMER_FUNC_TYPE; @@ ( _E->_field1._timer.function = -_callback +(TIMER_FUNC_TYPE)_callback ; | _E->_field1._timer.function = -&_callback +(TIMER_FUNC_TYPE)_callback ; | _E->_field1._timer.function = -(_cast_func)_callback; +(TIMER_FUNC_TYPE)_callback ; | _E->_field1._timer.function = -(_cast_func)&_callback +(TIMER_FUNC_TYPE)_callback ; | _E._field1._timer.function = -_callback +(TIMER_FUNC_TYPE)_callback ; | _E._field1._timer.function = -&_callback; +(TIMER_FUNC_TYPE)_callback ; | _E._field1._timer.function = -(_cast_func)_callback +(TIMER_FUNC_TYPE)_callback ; | _E._field1._timer.function = -(_cast_func)&_callback +(TIMER_FUNC_TYPE)_callback ; ) // Sometimes timer functions are called directly. Replace matched args. @change_timer_function_calls depends on change_timer_function_usage && (change_callback_handle_cast || change_callback_handle_cast_no_arg || change_callback_handle_arg)@ expression _E; identifier change_timer_function_usage._field1; identifier change_timer_function_usage._timer; identifier change_timer_function_usage._callback; type _cast_data; @@ _callback( ( -(_cast_data)_E +&_E->_field1._timer | -(_cast_data)&_E +&_E._field1._timer | -_E +&_E->_field1._timer ) ) // If a timer has been configured without a data argument, it can be // converted without regard to the callback argument, since it is unused. @match_timer_function_unused_data@ expression _E; identifier _field1; identifier _timer; identifier _callback; @@ ( -setup_timer(&_E->_field1._timer, _callback, 0); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E->_field1._timer, _callback, 0L); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E->_field1._timer, _callback, 0UL); +timer_setup(&_E->_field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, _callback, 0); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, _callback, 0L); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_E._field1._timer, _callback, 0UL); +timer_setup(&_E._field1._timer, _callback, 0); | -setup_timer(&_field1._timer, _callback, 0); +timer_setup(&_field1._timer, _callback, 0); | -setup_timer(&_field1._timer, _callback, 0L); +timer_setup(&_field1._timer, _callback, 0); | -setup_timer(&_field1._timer, _callback, 0UL); +timer_setup(&_field1._timer, _callback, 0); | -setup_timer(_field1._timer, _callback, 0); +timer_setup(_field1._timer, _callback, 0); | -setup_timer(_field1._timer, _callback, 0L); +timer_setup(_field1._timer, _callback, 0); | -setup_timer(_field1._timer, _callback, 0UL); +timer_setup(_field1._timer, _callback, 0); ) @change_callback_unused_data depends on match_timer_function_unused_data@ identifier match_timer_function_unused_data._callback; type _origtype; identifier _origarg; @@ void _callback( -_origtype _origarg +struct timer_list *unused ) { ... when != _origarg } Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-21treewide: setup_timer() -> timer_setup()Kees Cook
This converts all remaining cases of the old setup_timer() API into using timer_setup(), where the callback argument is the structure already holding the struct timer_list. These should have no behavioral changes, since they just change which pointer is passed into the callback with the same available pointers after conversion. It handles the following examples, in addition to some other variations. Casting from unsigned long: void my_callback(unsigned long data) { struct something *ptr = (struct something *)data; ... } ... setup_timer(&ptr->my_timer, my_callback, ptr); and forced object casts: void my_callback(struct something *ptr) { ... } ... setup_timer(&ptr->my_timer, my_callback, (unsigned long)ptr); become: void my_callback(struct timer_list *t) { struct something *ptr = from_timer(ptr, t, my_timer); ... } ... timer_setup(&ptr->my_timer, my_callback, 0); Direct function assignments: void my_callback(unsigned long data) { struct something *ptr = (struct something *)data; ... } ... ptr->my_timer.function = my_callback; have a temporary cast added, along with converting the args: void my_callback(struct timer_list *t) { struct something *ptr = from_timer(ptr, t, my_timer); ... } ... ptr->my_timer.function = (TIMER_FUNC_TYPE)my_callback; And finally, callbacks without a data assignment: void my_callback(unsigned long data) { ... } ... setup_timer(&ptr->my_timer, my_callback, 0); have their argument renamed to verify they're unused during conversion: void my_callback(struct timer_list *unused) { ... } ... timer_setup(&ptr->my_timer, my_callback, 0); The conversion is done with the following Coccinelle script: spatch --very-quiet --all-includes --include-headers \ -I ./arch/x86/include -I ./arch/x86/include/generated \ -I ./include -I ./arch/x86/include/uapi \ -I ./arch/x86/include/generated/uapi -I ./include/uapi \ -I ./include/generated/uapi --include ./include/linux/kconfig.h \ --dir . \ --cocci-file ~/src/data/timer_setup.cocci @fix_address_of@ expression e; @@ setup_timer( -&(e) +&e , ...) // Update any raw setup_timer() usages that have a NULL callback, but // would otherwise match change_timer_function_usage, since the latter // will update all function assignments done in the face of a NULL // function initialization in setup_timer(). @change_timer_function_usage_NULL@ expression _E; identifier _timer; type _cast_data; @@ ( -setup_timer(&_E->_timer, NULL, _E); +timer_setup(&_E->_timer, NULL, 0); | -setup_timer(&_E->_timer, NULL, (_cast_data)_E); +timer_setup(&_E->_timer, NULL, 0); | -setup_timer(&_E._timer, NULL, &_E); +timer_setup(&_E._timer, NULL, 0); | -setup_timer(&_E._timer, NULL, (_cast_data)&_E); +timer_setup(&_E._timer, NULL, 0); ) @change_timer_function_usage@ expression _E; identifier _timer; struct timer_list _stl; identifier _callback; type _cast_func, _cast_data; @@ ( -setup_timer(&_E->_timer, _callback, _E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, &_callback, _E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, _callback, (_cast_data)_E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, &_callback, (_cast_data)_E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, (_cast_func)_callback, _E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, (_cast_func)&_callback, _E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, (_cast_func)_callback, (_cast_data)_E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, (_cast_func)&_callback, (_cast_data)_E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E._timer, _callback, (_cast_data)_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, _callback, (_cast_data)&_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, &_callback, (_cast_data)_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, &_callback, (_cast_data)&_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, (_cast_func)_callback, (_cast_data)_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, (_cast_func)_callback, (_cast_data)&_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, (_cast_func)&_callback, (_cast_data)_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, (_cast_func)&_callback, (_cast_data)&_E); +timer_setup(&_E._timer, _callback, 0); | _E->_timer@_stl.function = _callback; | _E->_timer@_stl.function = &_callback; | _E->_timer@_stl.function = (_cast_func)_callback; | _E->_timer@_stl.function = (_cast_func)&_callback; | _E._timer@_stl.function = _callback; | _E._timer@_stl.function = &_callback; | _E._timer@_stl.function = (_cast_func)_callback; | _E._timer@_stl.function = (_cast_func)&_callback; ) // callback(unsigned long arg) @change_callback_handle_cast depends on change_timer_function_usage@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._timer; type _origtype; identifier _origarg; type _handletype; identifier _handle; @@ void _callback( -_origtype _origarg +struct timer_list *t ) { ( ... when != _origarg _handletype *_handle = -(_handletype *)_origarg; +from_timer(_handle, t, _timer); ... when != _origarg | ... when != _origarg _handletype *_handle = -(void *)_origarg; +from_timer(_handle, t, _timer); ... when != _origarg | ... when != _origarg _handletype *_handle; ... when != _handle _handle = -(_handletype *)_origarg; +from_timer(_handle, t, _timer); ... when != _origarg | ... when != _origarg _handletype *_handle; ... when != _handle _handle = -(void *)_origarg; +from_timer(_handle, t, _timer); ... when != _origarg ) } // callback(unsigned long arg) without existing variable @change_callback_handle_cast_no_arg depends on change_timer_function_usage && !change_callback_handle_cast@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._timer; type _origtype; identifier _origarg; type _handletype; @@ void _callback( -_origtype _origarg +struct timer_list *t ) { + _handletype *_origarg = from_timer(_origarg, t, _timer); + ... when != _origarg - (_handletype *)_origarg + _origarg ... when != _origarg } // Avoid already converted callbacks. @match_callback_converted depends on change_timer_function_usage && !change_callback_handle_cast && !change_callback_handle_cast_no_arg@ identifier change_timer_function_usage._callback; identifier t; @@ void _callback(struct timer_list *t) { ... } // callback(struct something *handle) @change_callback_handle_arg depends on change_timer_function_usage && !match_callback_converted && !change_callback_handle_cast && !change_callback_handle_cast_no_arg@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._timer; type _handletype; identifier _handle; @@ void _callback( -_handletype *_handle +struct timer_list *t ) { + _handletype *_handle = from_timer(_handle, t, _timer); ... } // If change_callback_handle_arg ran on an empty function, remove // the added handler. @unchange_callback_handle_arg depends on change_timer_function_usage && change_callback_handle_arg@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._timer; type _handletype; identifier _handle; identifier t; @@ void _callback(struct timer_list *t) { - _handletype *_handle = from_timer(_handle, t, _timer); } // We only want to refactor the setup_timer() data argument if we've found // the matching callback. This undoes changes in change_timer_function_usage. @unchange_timer_function_usage depends on change_timer_function_usage && !change_callback_handle_cast && !change_callback_handle_cast_no_arg && !change_callback_handle_arg@ expression change_timer_function_usage._E; identifier change_timer_function_usage._timer; identifier change_timer_function_usage._callback; type change_timer_function_usage._cast_data; @@ ( -timer_setup(&_E->_timer, _callback, 0); +setup_timer(&_E->_timer, _callback, (_cast_data)_E); | -timer_setup(&_E._timer, _callback, 0); +setup_timer(&_E._timer, _callback, (_cast_data)&_E); ) // If we fixed a callback from a .function assignment, fix the // assignment cast now. @change_timer_function_assignment depends on change_timer_function_usage && (change_callback_handle_cast || change_callback_handle_cast_no_arg || change_callback_handle_arg)@ expression change_timer_function_usage._E; identifier change_timer_function_usage._timer; identifier change_timer_function_usage._callback; type _cast_func; typedef TIMER_FUNC_TYPE; @@ ( _E->_timer.function = -_callback +(TIMER_FUNC_TYPE)_callback ; | _E->_timer.function = -&_callback +(TIMER_FUNC_TYPE)_callback ; | _E->_timer.function = -(_cast_func)_callback; +(TIMER_FUNC_TYPE)_callback ; | _E->_timer.function = -(_cast_func)&_callback +(TIMER_FUNC_TYPE)_callback ; | _E._timer.function = -_callback +(TIMER_FUNC_TYPE)_callback ; | _E._timer.function = -&_callback; +(TIMER_FUNC_TYPE)_callback ; | _E._timer.function = -(_cast_func)_callback +(TIMER_FUNC_TYPE)_callback ; | _E._timer.function = -(_cast_func)&_callback +(TIMER_FUNC_TYPE)_callback ; ) // Sometimes timer functions are called directly. Replace matched args. @change_timer_function_calls depends on change_timer_function_usage && (change_callback_handle_cast || change_callback_handle_cast_no_arg || change_callback_handle_arg)@ expression _E; identifier change_timer_function_usage._timer; identifier change_timer_function_usage._callback; type _cast_data; @@ _callback( ( -(_cast_data)_E +&_E->_timer | -(_cast_data)&_E +&_E._timer | -_E +&_E->_timer ) ) // If a timer has been configured without a data argument, it can be // converted without regard to the callback argument, since it is unused. @match_timer_function_unused_data@ expression _E; identifier _timer; identifier _callback; @@ ( -setup_timer(&_E->_timer, _callback, 0); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, _callback, 0L); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, _callback, 0UL); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E._timer, _callback, 0); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, _callback, 0L); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, _callback, 0UL); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_timer, _callback, 0); +timer_setup(&_timer, _callback, 0); | -setup_timer(&_timer, _callback, 0L); +timer_setup(&_timer, _callback, 0); | -setup_timer(&_timer, _callback, 0UL); +timer_setup(&_timer, _callback, 0); | -setup_timer(_timer, _callback, 0); +timer_setup(_timer, _callback, 0); | -setup_timer(_timer, _callback, 0L); +timer_setup(_timer, _callback, 0); | -setup_timer(_timer, _callback, 0UL); +timer_setup(_timer, _callback, 0); ) @change_callback_unused_data depends on match_timer_function_unused_data@ identifier match_timer_function_unused_data._callback; type _origtype; identifier _origarg; @@ void _callback( -_origtype _origarg +struct timer_list *unused ) { ... when != _origarg } Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-21treewide: init_timer() -> setup_timer()Kees Cook
This mechanically converts all remaining cases of ancient open-coded timer setup with the old setup_timer() API, which is the first step in timer conversions. This has no behavioral changes, since it ultimately just changes the order of assignment to fields of struct timer_list when finding variations of: init_timer(&t); f.function = timer_callback; t.data = timer_callback_arg; to be converted into: setup_timer(&t, timer_callback, timer_callback_arg); The conversion is done with the following Coccinelle script, which is an improved version of scripts/cocci/api/setup_timer.cocci, in the following ways: - assignments-before-init_timer() cases - limit the .data case removal to the specific struct timer_list instance - handling calls by dereference (timer->field vs timer.field) spatch --very-quiet --all-includes --include-headers \ -I ./arch/x86/include -I ./arch/x86/include/generated \ -I ./include -I ./arch/x86/include/uapi \ -I ./arch/x86/include/generated/uapi -I ./include/uapi \ -I ./include/generated/uapi --include ./include/linux/kconfig.h \ --dir . \ --cocci-file ~/src/data/setup_timer.cocci @fix_address_of@ expression e; @@ init_timer( -&(e) +&e , ...) // Match the common cases first to avoid Coccinelle parsing loops with // "... when" clauses. @match_immediate_function_data_after_init_timer@ expression e, func, da; @@ -init_timer +setup_timer ( \(&e\|e\) +, func, da ); ( -\(e.function\|e->function\) = func; -\(e.data\|e->data\) = da; | -\(e.data\|e->data\) = da; -\(e.function\|e->function\) = func; ) @match_immediate_function_data_before_init_timer@ expression e, func, da; @@ ( -\(e.function\|e->function\) = func; -\(e.data\|e->data\) = da; | -\(e.data\|e->data\) = da; -\(e.function\|e->function\) = func; ) -init_timer +setup_timer ( \(&e\|e\) +, func, da ); @match_function_and_data_after_init_timer@ expression e, e2, e3, e4, e5, func, da; @@ -init_timer +setup_timer ( \(&e\|e\) +, func, da ); ... when != func = e2 when != da = e3 ( -e.function = func; ... when != da = e4 -e.data = da; | -e->function = func; ... when != da = e4 -e->data = da; | -e.data = da; ... when != func = e5 -e.function = func; | -e->data = da; ... when != func = e5 -e->function = func; ) @match_function_and_data_before_init_timer@ expression e, e2, e3, e4, e5, func, da; @@ ( -e.function = func; ... when != da = e4 -e.data = da; | -e->function = func; ... when != da = e4 -e->data = da; | -e.data = da; ... when != func = e5 -e.function = func; | -e->data = da; ... when != func = e5 -e->function = func; ) ... when != func = e2 when != da = e3 -init_timer +setup_timer ( \(&e\|e\) +, func, da ); @r1 exists@ expression t; identifier f; position p; @@ f(...) { ... when any init_timer@p(\(&t\|t\)) ... when any } @r2 exists@ expression r1.t; identifier g != r1.f; expression e8; @@ g(...) { ... when any \(t.data\|t->data\) = e8 ... when any } // It is dangerous to use setup_timer if data field is initialized // in another function. @script:python depends on r2@ p << r1.p; @@ cocci.include_match(False) @r3@ expression r1.t, func, e7; position r1.p; @@ ( -init_timer@p(&t); +setup_timer(&t, func, 0UL); ... when != func = e7 -t.function = func; | -t.function = func; ... when != func = e7 -init_timer@p(&t); +setup_timer(&t, func, 0UL); | -init_timer@p(t); +setup_timer(t, func, 0UL); ... when != func = e7 -t->function = func; | -t->function = func; ... when != func = e7 -init_timer@p(t); +setup_timer(t, func, 0UL); ) Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-21treewide: Switch DEFINE_TIMER callbacks to struct timer_list *Kees Cook
This changes all DEFINE_TIMER() callbacks to use a struct timer_list pointer instead of unsigned long. Since the data argument has already been removed, none of these callbacks are using their argument currently, so this renames the argument to "unused". Done using the following semantic patch: @match_define_timer@ declarer name DEFINE_TIMER; identifier _timer, _callback; @@ DEFINE_TIMER(_timer, _callback); @change_callback depends on match_define_timer@ identifier match_define_timer._callback; type _origtype; identifier _origarg; @@ void -_callback(_origtype _origarg) +_callback(struct timer_list *unused) { ... } Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-21lightnvm: Convert timers to use timer_setup()Kees Cook
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Matias Bjorling <mb@lightnvm.io> Cc: linux-block@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-11 13:32:22 +0000