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Summary of what's included:
- SGX MMU support
- SGX IRQ handling (Page faults and blitter fences)
- Minor Cedarview and Poulsbo unification
- Work queue for ASLE interrupt work
- Various cleanups, style fixes and removal of dead code
* 'gma500-next' of git://github.com/patjak/drm-gma500:
drm/gma500: remove stub .open/postclose
drm/gma500: Code cleanup - inline documentation
drm/gma500: Code cleanup - style fixes
drm/gma500: Code cleanup - removal of centralized exiting of function
drm/gma500/cdv: Cedarview display cleanups
drm/gma500: Unify encoder mode fixup
drm/gma500: Unify _get_core_freq for cdv and psb
drm/gma500: Move asle interrupt work into a work task
drm/gma500: Remove dead code
drm/gma500: Add backing type and base align to psb_gem_create()
drm/gma500: Remove unused ioctls
drm/gma500: Always trap MMU page faults
drm/gma500: Hook up the MMU
drm/gma500: Add first piece of blitter code
drm/gma500: Give MMU code it's own header file
drm/gma500: Add support for SGX interrupts
drm/gma500: Make SGX MMU driver actually do something
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drm-next
This is the 3rd respin of the drm-anon patches. They allow module unloading, use
the pin_fs_* helpers recommended by Al and are rebased on top of drm-next. Note
that there are minor conflicts with the "drm-minor" branch.
* 'drm-next' of git://people.freedesktop.org/~dvdhrm/linux:
drm: init TTM dev_mapping in ttm_bo_device_init()
drm: use anon-inode instead of relying on cdevs
drm: add pseudo filesystem for shared inodes
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Linux 3.14-rc7
Backmerge to help out Intel guys.
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drm-next
Here's my drm documentation update and driver api polish pull request.
Alex reviewed the entire pile, I've applied a little bit of spelling
polish in a few places since then and otherwise the Usual Suspects (David,
Rob, ...) don't seem up to have another look at it (I've poked them on
irc). So I think it's as good as it gets ;-)
Note that I've dropped the final imx breaker patch since that's blocked on
imx getting sane. Once that's landed I'll ping you to pick up that
straggler.
* 'drm-docs' of ssh://people.freedesktop.org/~danvet/drm: (34 commits)
drm/imx: remove drm_mode_connector_detach_encoder harder
drm: kerneldoc polish for drm_crtc.c
drm: kerneldoc polish for drm_crtc_helper.c
drm: drop error code for drm_helper_resume_force_mode
drm/crtc-helper: remove LOCKING from kerneldoc
drm: remove return value from drm_helper_mode_fill_fb_struct
drm/doc: Fix misplaced </para>
drm: remove drm_display_mode->private_size
drm: polish function kerneldoc for drm_modes.[hc]
drm/modes: drop maxPitch from drm_mode_validate_size
drm/modes: drop return value from drm_display_mode_from_videomode
drm/modes: remove drm_mode_height/width
drm: extract drm_modes.h for drm_crtc.h functions
drm: move drm_mode related functions into drm_modes.c
drm/doc: Repleace LOCKING kerneldoc sections in drm_modes.c
drm/doc: Integrate drm_modes.c kerneldoc
drm/kms: rip out drm_mode_connector_detach_encoder
drm/doc: Add function reference documentation for drm_mm.c
drm/doc: Overview documentation for drm_mm.c
drm/mm: Remove MM_UNUSED_TARGET
...
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All of these ioctls are unused and most of them just duplicate what drm
already provides.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
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Fix minor conflicts with drm-anon:
- allocation/free order
- drm_device header cleanups
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Whenever we access minor->device, we are in a minor->kdev->...->fops
callback so the minor->kdev pointer *must* be valid. Thus, simply use
minor->kdev->devt instead of minor->device and remove the redundant field.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Instead of accessing drm_minors_idr directly, this adds a small helper to
hide the internals. This will help us later to remove the drm_global_mutex
requirement for minor-lookup.
Furthermore, this also makes sure that minor->dev is always valid and
takes a reference-count to the device as long as the minor is used in an
open-file. This way, "struct file*"->private_data->dev is guaranteed to be
valid (which it has to, as we cannot reset it).
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Lets not trick ourselves into thinking "drm_device" objects are not
ref-counted. That's just utterly stupid. We manage "drm_minor" objects on
each drm-device and each minor can have an unlimited number of open
handles. Each of these handles has the drm_minor (and thus the drm_device)
as private-data in the file-handle. Therefore, we may not destroy
"drm_device" until all these handles are closed.
It is *not* possible to reset all these pointers atomically and restrict
access to them, and this is *not* how this is done! Instead, we use
ref-counts to make sure the object is valid and not freed.
Note that we currently use "dev->open_count" for that, which is *exactly*
the same as a reference-count, just open coded. So this patch doesn't
change any semantics on DRM devices (well, this patch just introduces the
ref-count, anyway. Follow-up patches will replace open_count by it).
Also note that generic VFS revoke support could allow us to drop this
ref-count again. We could then just synchronously disable any fops->xy()
calls. However, this is not the case, yet, and no such patches are
in sight (and I seriously question the idea of dropping the ref-cnt
again).
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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Use enum for DRM_MINOR_* constants to avoid hard-coding the IDs.
Furthermore, add a DRM_MINOR_CNT so we can perform range-checks in
follow-ups.
This changes the IDs of the minor-types by -1, but they're not used as
indices so this is fine.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This constant is unused, remove it.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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These members are all managed by DRM-core, lets group them together so
they're not split across the whole device.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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With dev->anon_inode we have a global address_space ready for operation
right from the beginning. Therefore, there is no need to do a delayed
setup with TTM. Instead, set dev_mapping during initialization in
ttm_bo_device_init() and remove any "if (dev_mapping)" conditions.
Cc: Dave Airlie <airlied@redhat.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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DRM drivers share a common address_space across all character-devices of a
single DRM device. This allows simple buffer eviction and mapping-control.
However, DRM core currently waits for the first ->open() on any char-dev
to mark the underlying inode as backing inode of the device. This delayed
initialization causes ugly conditions all over the place:
if (dev->dev_mapping)
do_sth();
To avoid delayed initialization and to stop reusing the inode of the
char-dev, we allocate an anonymous inode for each DRM device and reset
filp->f_mapping to it on ->open().
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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Pull networking fixes from David Miller:
"I know this is a bit more than you want to see, and I've told the
wireless folks under no uncertain terms that they must severely scale
back the extent of the fixes they are submitting this late in the
game.
Anyways:
1) vmxnet3's netpoll doesn't perform the equivalent of an ISR, which
is the correct implementation, like it should. Instead it does
something like a NAPI poll operation. This leads to crashes.
From Neil Horman and Arnd Bergmann.
2) Segmentation of SKBs requires proper socket orphaning of the
fragments, otherwise we might access stale state released by the
release callbacks.
This is a 5 patch fix, but the initial patches are giving
variables and such significantly clearer names such that the
actual fix itself at the end looks trivial.
From Michael S. Tsirkin.
3) TCP control block release can deadlock if invoked from a timer on
an already "owned" socket. Fix from Eric Dumazet.
4) In the bridge multicast code, we must validate that the
destination address of general queries is the link local all-nodes
multicast address. From Linus Lüssing.
5) The x86 BPF JIT support for negative offsets puts the parameter
for the helper function call in the wrong register. Fix from
Alexei Starovoitov.
6) The descriptor type used for RTL_GIGA_MAC_VER_17 chips in the
r8169 driver is incorrect. Fix from Hayes Wang.
7) The xen-netback driver tests skb_shinfo(skb)->gso_type bits to see
if a packet is a GSO frame, but that's not the correct test. It
should use skb_is_gso(skb) instead. Fix from Wei Liu.
8) Negative msg->msg_namelen values should generate an error, from
Matthew Leach.
9) at86rf230 can deadlock because it takes the same lock from it's
ISR and it's hard_start_xmit method, without disabling interrupts
in the latter. Fix from Alexander Aring.
10) The FEC driver's restart doesn't perform operations in the correct
order, so promiscuous settings can get lost. Fix from Stefan
Wahren.
11) Fix SKB leak in SCTP cookie handling, from Daniel Borkmann.
12) Reference count and memory leak fixes in TIPC from Ying Xue and
Erik Hugne.
13) Forced eviction in inet_frag_evictor() must strictly make sure all
frags are deleted, otherwise module unload (f.e. 6lowpan) can
crash. Fix from Florian Westphal.
14) Remove assumptions in AF_UNIX's use of csum_partial() (which it
uses as a hash function), which breaks on PowerPC. From Anton
Blanchard.
The main gist of the issue is that csum_partial() is defined only
as a value that, once folded (f.e. via csum_fold()) produces a
correct 16-bit checksum. It is legitimate, therefore, for
csum_partial() to produce two different 32-bit values over the
same data if their respective alignments are different.
15) Fix endiannes bug in MAC address handling of ibmveth driver, also
from Anton Blanchard.
16) Error checks for ipv6 exthdrs offload registration are reversed,
from Anton Nayshtut.
17) Externally triggered ipv6 addrconf routes should count against the
garbage collection threshold. Fix from Sabrina Dubroca.
18) The PCI shutdown handler added to the bnx2 driver can wedge the
chip if it was not brought up earlier already, which in particular
causes the firmware to shut down the PHY. Fix from Michael Chan.
19) Adjust the sanity WARN_ON_ONCE() in qdisc_list_add() because as
currently coded it can and does trigger in legitimate situations.
From Eric Dumazet.
20) BNA driver fails to build on ARM because of a too large udelay()
call, fix from Ben Hutchings.
21) Fair-Queue qdisc holds locks during GFP_KERNEL allocations, fix
from Eric Dumazet.
22) The vlan passthrough ops added in the previous release causes a
regression in source MAC address setting of outgoing headers in
some circumstances. Fix from Peter Boström"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (70 commits)
ipv6: Avoid unnecessary temporary addresses being generated
eth: fec: Fix lost promiscuous mode after reconnecting cable
bonding: set correct vlan id for alb xmit path
at86rf230: fix lockdep splats
net/mlx4_en: Deregister multicast vxlan steering rules when going down
vmxnet3: fix building without CONFIG_PCI_MSI
MAINTAINERS: add networking selftests to NETWORKING
net: socket: error on a negative msg_namelen
MAINTAINERS: Add tools/net to NETWORKING [GENERAL]
packet: doc: Spelling s/than/that/
net/mlx4_core: Load the IB driver when the device supports IBoE
net/mlx4_en: Handle vxlan steering rules for mac address changes
net/mlx4_core: Fix wrong dump of the vxlan offloads device capability
xen-netback: use skb_is_gso in xenvif_start_xmit
r8169: fix the incorrect tx descriptor version
tools/net/Makefile: Define PACKAGE to fix build problems
x86: bpf_jit: support negative offsets
bridge: multicast: enable snooping on general queries only
bridge: multicast: add sanity check for general query destination
tcp: tcp_release_cb() should release socket ownership
...
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No driver cares, and it should generally work. Add a big comment
when drivers can't use this for recompense.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Rightfully no driver ever checked this - it can't fail.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It' unused and there's also not really any way to make it work with
the current code. So better rip it out.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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- Tune down yelling RETURNS.
- OCD align all the parameters the same.
- Add missing kerneldoc, which also means that we need to include the
kerneldoc from the drm_modes.h header now.
- Add missing Returns: sections.
- General polish and clarification - especially the kerneldoc for the
mode creation helpers seems to have been some good specimen of
copypasta gone wrong.
All actual code changes have all been extracted into prep patches
since there was simply too much to polish.
v2: More polish for the command line modeline functions.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Totally unused and actually redundant with maxX for display mode
validation. The fb helper otoh needs to check pitch limits,
but that is delegated into drivers instead.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It never fails and no one ever checked anyway.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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There's a neat FIXME asking whether this is really need. I'd
say really no.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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I want to also include kerneldoc from the header (for static inline
functions and structs), but fishing the right pieces out of a giant
header is a real pain. So split things out.
Note that it's not a really clean header with sane include orders, but
given's drm historical knack for giant headers detangling this is a
major task.
v2: Also extract struct drm_cmdline_mode.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It's only used by imx, and that one gets it wrong - there's no need
to deteach the encoder before removing it.
And really, neither current drm modesetting code nor all the userspace
we have can handle dynamic changes in the set of possible encoders for
a given connector. So let's just remove this before someone starts
doing something really nasty with it.
As a plus, one less kerneldoc comment to write.
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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While at it do a tiny bit of interface cleanup and convert boolean
return values to bool. With this patch all exported functions and inline
helpers which are part of the drm_mm public interface are documented.
Also drop superflous extern function modifiers since most of drm_mm.h
doesn't use them - more consistent that way.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Thierry created such nice kerneldocs, it's a shame we've left them
lingering!
For the fun of it also add a bit of kerneldoc to the header so that we
can also include that. Just in case someone adds kerneldoc in there.
Cc: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Pull KVM fixes from Paolo Bonzini:
"The ARM patch fixes a build breakage with randconfig. The x86 one
fixes Windows guests on AMD processors"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: fix cr8 intercept window
ARM: KVM: fix non-VGIC compilation
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Lars Persson reported following deadlock :
-000 |M:0x0:0x802B6AF8(asm) <-- arch_spin_lock
-001 |tcp_v4_rcv(skb = 0x8BD527A0) <-- sk = 0x8BE6B2A0
-002 |ip_local_deliver_finish(skb = 0x8BD527A0)
-003 |__netif_receive_skb_core(skb = 0x8BD527A0, ?)
-004 |netif_receive_skb(skb = 0x8BD527A0)
-005 |elk_poll(napi = 0x8C770500, budget = 64)
-006 |net_rx_action(?)
-007 |__do_softirq()
-008 |do_softirq()
-009 |local_bh_enable()
-010 |tcp_rcv_established(sk = 0x8BE6B2A0, skb = 0x87D3A9E0, th = 0x814EBE14, ?)
-011 |tcp_v4_do_rcv(sk = 0x8BE6B2A0, skb = 0x87D3A9E0)
-012 |tcp_delack_timer_handler(sk = 0x8BE6B2A0)
-013 |tcp_release_cb(sk = 0x8BE6B2A0)
-014 |release_sock(sk = 0x8BE6B2A0)
-015 |tcp_sendmsg(?, sk = 0x8BE6B2A0, ?, ?)
-016 |sock_sendmsg(sock = 0x8518C4C0, msg = 0x87D8DAA8, size = 4096)
-017 |kernel_sendmsg(?, ?, ?, ?, size = 4096)
-018 |smb_send_kvec()
-019 |smb_send_rqst(server = 0x87C4D400, rqst = 0x87D8DBA0)
-020 |cifs_call_async()
-021 |cifs_async_writev(wdata = 0x87FD6580)
-022 |cifs_writepages(mapping = 0x852096E4, wbc = 0x87D8DC88)
-023 |__writeback_single_inode(inode = 0x852095D0, wbc = 0x87D8DC88)
-024 |writeback_sb_inodes(sb = 0x87D6D800, wb = 0x87E4A9C0, work = 0x87D8DD88)
-025 |__writeback_inodes_wb(wb = 0x87E4A9C0, work = 0x87D8DD88)
-026 |wb_writeback(wb = 0x87E4A9C0, work = 0x87D8DD88)
-027 |wb_do_writeback(wb = 0x87E4A9C0, force_wait = 0)
-028 |bdi_writeback_workfn(work = 0x87E4A9CC)
-029 |process_one_work(worker = 0x8B045880, work = 0x87E4A9CC)
-030 |worker_thread(__worker = 0x8B045880)
-031 |kthread(_create = 0x87CADD90)
-032 |ret_from_kernel_thread(asm)
Bug occurs because __tcp_checksum_complete_user() enables BH, assuming
it is running from softirq context.
Lars trace involved a NIC without RX checksum support but other points
are problematic as well, like the prequeue stuff.
Problem is triggered by a timer, that found socket being owned by user.
tcp_release_cb() should call tcp_write_timer_handler() or
tcp_delack_timer_handler() in the appropriate context :
BH disabled and socket lock held, but 'owned' field cleared,
as if they were running from timer handlers.
Fixes: 6f458dfb4092 ("tcp: improve latencies of timer triggered events")
Reported-by: Lars Persson <lars.persson@axis.com>
Tested-by: Lars Persson <lars.persson@axis.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull audit namespace fixes from Eric Biederman:
"Starting with 3.14-rc1 the audit code is faulty (think oopses and
races) with respect to how it computes the network namespace of which
socket to reply to, and I happened to notice by chance when reading
through the code.
My testing and the automated build bots don't find any problems with
these fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
audit: Update kdoc for audit_send_reply and audit_list_rules_send
audit: Send replies in the proper network namespace.
audit: Use struct net not pid_t to remember the network namespce to reply in
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Merge misc fixes from Andrew Morton:
"Nine fixes"
* emailed patches from Andrew Morton akpm@linux-foundation.org>:
cris: convert ffs from an object-like macro to a function-like macro
hfsplus: add HFSX subfolder count support
tools/testing/selftests/ipc/msgque.c: handle msgget failure return correctly
MAINTAINERS: blackfin: add git repository
revert "kallsyms: fix absolute addresses for kASLR"
mm/Kconfig: fix URL for zsmalloc benchmark
fs/proc/base.c: fix GPF in /proc/$PID/map_files
mm/compaction: break out of loop on !PageBuddy in isolate_freepages_block
mm: fix GFP_THISNODE callers and clarify
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GFP_THISNODE is for callers that implement their own clever fallback to
remote nodes. It restricts the allocation to the specified node and
does not invoke reclaim, assuming that the caller will take care of it
when the fallback fails, e.g. through a subsequent allocation request
without GFP_THISNODE set.
However, many current GFP_THISNODE users only want the node exclusive
aspect of the flag, without actually implementing their own fallback or
triggering reclaim if necessary. This results in things like page
migration failing prematurely even when there is easily reclaimable
memory available, unless kswapd happens to be running already or a
concurrent allocation attempt triggers the necessary reclaim.
Convert all callsites that don't implement their own fallback strategy
to __GFP_THISNODE. This restricts the allocation a single node too, but
at the same time allows the allocator to enter the slowpath, wake
kswapd, and invoke direct reclaim if necessary, to make the allocation
happen when memory is full.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Jan Stancek <jstancek@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro.
Clean up file table accesses (get rid of fget_light() in favor of the
fdget() interface), add proper file position locking.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
get rid of fget_light()
sockfd_lookup_light(): switch to fdget^W^Waway from fget_light
vfs: atomic f_pos accesses as per POSIX
ocfs2 syncs the wrong range...
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instead of returning the flags by reference, we can just have the
low-level primitive return those in lower bits of unsigned long,
with struct file * derived from the rest.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Our write() system call has always been atomic in the sense that you get
the expected thread-safe contiguous write, but we haven't actually
guaranteed that concurrent writes are serialized wrt f_pos accesses, so
threads (or processes) that share a file descriptor and use "write()"
concurrently would quite likely overwrite each others data.
This violates POSIX.1-2008/SUSv4 Section XSI 2.9.7 that says:
"2.9.7 Thread Interactions with Regular File Operations
All of the following functions shall be atomic with respect to each
other in the effects specified in POSIX.1-2008 when they operate on
regular files or symbolic links: [...]"
and one of the effects is the file position update.
This unprotected file position behavior is not new behavior, and nobody
has ever cared. Until now. Yongzhi Pan reported unexpected behavior to
Michael Kerrisk that was due to this.
This resolves the issue with a f_pos-specific lock that is taken by
read/write/lseek on file descriptors that may be shared across threads
or processes.
Reported-by: Yongzhi Pan <panyongzhi@gmail.com>
Reported-by: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from from Olof Johansson:
"A collection of fixes for ARM platforms. A little large due to us
missing to do one last week, but there's nothing in particular here
that is in itself large and scary.
Mostly a handful of smaller fixes all over the place. The majority is
made up of fixes for OMAP, but there are a few for others as well. In
particular, there was a decision to rename a binding for the Broadcom
pinctrl block that we need to go in before the final release since we
then treat it as ABI"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: omap3-gta04: Add ti,omap36xx to compatible property to avoid problems with booting
ARM: tegra: add LED options back into tegra_defconfig
ARM: dts: omap3-igep: fix boot fail due wrong compatible match
ARM: OMAP3: Fix pinctrl interrupts for core2
pinctrl: Rename Broadcom Capri pinctrl binding
pinctrl: refer to updated dt binding string.
Update dtsi with new pinctrl compatible string
ARM: OMAP: Kill warning in CPUIDLE code with !CONFIG_SMP
ARM: OMAP2+: Add support for thumb mode on DT booted N900
ARM: OMAP2+: clock: fix clkoutx2 with CLK_SET_RATE_PARENT
ARM: OMAP4: hwmod: Fix SOFTRESET logic for OMAP4
ARM: DRA7: hwmod data: correct the sysc data for spinlock
ARM: OMAP5: PRM: Fix reboot handling
ARM: sunxi: dt: Change the touchscreen compatibles
ARM: sun7i: dt: Fix interrupt trigger types
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Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
- Fix another nfs4_sequence corruptor in RELEASE_LOCKOWNER
- Fix an Oopsable delegation callback race
- Fix another bad stateid infinite loop
- Fail the data server I/O is the stateid represents a lost lock
- Fix an Oopsable sunrpc trace event"
* tag 'nfs-for-3.14-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: Fix oops when trace sunrpc_task events in nfs client
NFSv4: Fail the truncate() if the lock/open stateid is invalid
NFSv4.1 Fail data server I/O if stateid represents a lost lock
NFSv4: Fix the return value of nfs4_select_rw_stateid
NFSv4: nfs4_stateid_is_current should return 'true' for an invalid stateid
NFS: Fix a delegation callback race
NFSv4: Fix another nfs4_sequence corruptor
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Pull SCSI target fixes from Nicholas Bellinger:
"This series addresses a number of outstanding issues wrt to active I/O
shutdown using iser-target. This includes:
- Fix a long standing tpg_state bug where a tpg could be referenced
during explicit shutdown (v3.1+ stable)
- Use list_del_init for iscsi_cmd->i_conn_node so list_empty checks
work as expected (v3.10+ stable)
- Fix a isert_conn->state related hung task bug + ensure outstanding
I/O completes during session shutdown. (v3.10+ stable)
- Fix isert_conn->post_send_buf_count accounting for RDMA READ/WRITEs
(v3.10+ stable)
- Ignore FRWR completions during active I/O shutdown (v3.12+ stable)
- Fix command leakage for interrupt coalescing during active I/O
shutdown (v3.13+ stable)
Also included is another DIF emulation fix from Sagi specific to
v3.14-rc code"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
Target/sbc: Fix sbc_copy_prot for offset scatters
iser-target: Fix command leak for tx_desc->comp_llnode_batch
iser-target: Ignore completions for FRWRs in isert_cq_tx_work
iser-target: Fix post_send_buf_count for RDMA READ/WRITE
iscsi/iser-target: Fix isert_conn->state hung shutdown issues
iscsi/iser-target: Use list_del_init for ->i_conn_node
iscsi-target: Fix iscsit_get_tpg_from_np tpg_state bug
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git://github.com/broadcom/bcm11351 into fixes
Merge 'bcm pinctrl rename' From Christin Daudt:
Rename pinctrl dt binding to restore consistency with other bcm mobile
bindings.
* tag 'bcm-for-3.14-pinctrl-reduced-rename' of git://github.com/broadcom/bcm11351:
pinctrl: Rename Broadcom Capri pinctrl binding
pinctrl: refer to updated dt binding string.
Update dtsi with new pinctrl compatible string
+ Linux 3.14-rc4
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fix from Tejun Heo:
"This pull request contains a workqueue usage fix for firewire.
For quite a long time now, workqueue only treats two work items
identical iff both their addresses and callbacks match. This is to
avoid introducing false dependency through the work item being
recycled while being executed. This changes non-reentrancy guarantee
for the users of PREPARE[_DELAYED]_WORK() - if the function changes,
reentrancy isn't guaranteed against the previous instance. Firewire
depended on such nonreentrancy guarantee.
This is fixed by doing the work item multiplexing from firewire proper
while keeping the work function unchanged"
* 'for-3.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
firewire: don't use PREPARE_DELAYED_WORK
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"In the past, I've had lots of reports about trace events not working.
Developers would say they put a trace_printk() before and after the
trace event but when they enable it (and the trace event said it was
enabled) they would see the trace_printks but not the trace event.
I was not able to reproduce this, but that's because I wasn't looking
at the right location. Recently, another bug came up that showed the
issue.
If your kernel supports signed modules but allows for non-signed
modules to be loaded, then when one is, the kernel will silently set
the MODULE_FORCED taint on the module. Although, this taint happens
without the need for insmod --force or anything of the kind, it labels
the module with that taint anyway.
If this tainted module has tracepoints, the tracepoints will be
ignored because of the MODULE_FORCED taint. But no error message will
be displayed. Worse yet, the event infrastructure will still be
created letting users enable the trace event represented by the
tracepoint, although that event will never actually be enabled. This
is because the tracepoint infrastructure allows for non-existing
tracepoints to be enabled for new modules to arrive and have their
tracepoints set.
Although there are several things wrong with the above, this change
only addresses the creation of the trace event files for tracepoints
that are not created when a module is loaded and is tainted. This
change will print an error message about the module being tainted and
not the trace events will not be created, and it does not create the
trace event infrastructure"
* tag 'trace-fixes-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Do not add event files for modules that fail tracepoints
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When tracking sunrpc_task events in nfs client, the clnt pointer may be NULL.
[ 139.269266] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
[ 139.269915] IP: [<ffffffffa026f216>] ftrace_raw_event_rpc_task_running+0x86/0xf0 [sunrpc]
[ 139.269915] PGD 1d293067 PUD 1d294067 PMD 0
[ 139.269915] Oops: 0000 [#1] SMP
[ 139.269915] Modules linked in: nfsv4 dns_resolver nfs lockd sunrpc fscache sg ppdev e1000
serio_raw pcspkr parport_pc parport i2c_piix4 i2c_core microcode xfs libcrc32c sd_mod sr_mod
cdrom ata_generic crc_t10dif crct10dif_common pata_acpi ahci libahci ata_piix libata dm_mirror
dm_region_hash dm_log dm_mod
[ 139.269915] CPU: 0 PID: 59 Comm: kworker/0:2 Not tainted 3.10.0-84.el7.x86_64 #1
[ 139.269915] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[ 139.269915] Workqueue: rpciod rpc_async_schedule [sunrpc]
[ 139.269915] task: ffff88001b598000 ti: ffff88001b632000 task.ti: ffff88001b632000
[ 139.269915] RIP: 0010:[<ffffffffa026f216>] [<ffffffffa026f216>] ftrace_raw_event_rpc_task_running+0x86/0xf0 [sunrpc]
[ 139.269915] RSP: 0018:ffff88001b633d70 EFLAGS: 00010206
[ 139.269915] RAX: ffff88001dfc5338 RBX: ffff88001cc37a00 RCX: ffff88001dfc5334
[ 139.269915] RDX: ffff88001dfc5338 RSI: 0000000000000000 RDI: ffff88001dfc533c
[ 139.269915] RBP: ffff88001b633db0 R08: 000000000000002c R09: 000000000000000a
[ 139.269915] R10: 0000000000062180 R11: 00000020759fb9dc R12: ffffffffa0292c20
[ 139.269915] R13: ffff88001dfc5334 R14: 0000000000000000 R15: 0000000000000000
[ 139.269915] FS: 0000000000000000(0000) GS:ffff88001fc00000(0000) knlGS:0000000000000000
[ 139.269915] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 139.269915] CR2: 0000000000000004 CR3: 000000001d290000 CR4: 00000000000006f0
[ 139.269915] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 139.269915] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 139.269915] Stack:
[ 139.269915] 000000001b633d98 0000000000000246 ffff88001df1dc00 ffff88001cc37a00
[ 139.269915] ffff88001bc35e60 0000000000000000 ffff88001ffa0a48 ffff88001bc35ee0
[ 139.269915] ffff88001b633e08 ffffffffa02704b5 0000000000010000 ffff88001cc37a70
[ 139.269915] Call Trace:
[ 139.269915] [<ffffffffa02704b5>] __rpc_execute+0x1d5/0x400 [sunrpc]
[ 139.269915] [<ffffffffa0270706>] rpc_async_schedule+0x26/0x30 [sunrpc]
[ 139.269915] [<ffffffff8107867b>] process_one_work+0x17b/0x460
[ 139.269915] [<ffffffff8107942b>] worker_thread+0x11b/0x400
[ 139.269915] [<ffffffff81079310>] ? rescuer_thread+0x3e0/0x3e0
[ 139.269915] [<ffffffff8107fc80>] kthread+0xc0/0xd0
[ 139.269915] [<ffffffff8107fbc0>] ? kthread_create_on_node+0x110/0x110
[ 139.269915] [<ffffffff815d122c>] ret_from_fork+0x7c/0xb0
[ 139.269915] [<ffffffff8107fbc0>] ? kthread_create_on_node+0x110/0x110
[ 139.269915] Code: 4c 8b 45 c8 48 8d 7d d0 89 4d c4 41 89 c9 b9 28 00 00 00 e8 9d b4 e9
e0 48 85 c0 49 89 c5 74 a2 48 89 c7 e8 9d 3f e9 e0 48 89 c2 <41> 8b 46 04 48 8b 7d d0 4c
89 e9 4c 89 e6 89 42 0c 0f b7 83 d4
[ 139.269915] RIP [<ffffffffa026f216>] ftrace_raw_event_rpc_task_running+0x86/0xf0 [sunrpc]
[ 139.269915] RSP <ffff88001b633d70>
[ 139.269915] CR2: 0000000000000004
[ 140.946406] ---[ end trace ba486328b98d7622 ]---
Signed-off-by: Ditang Chen <chendt.fnst@cn.fujitsu.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Pull block fixes from Jens Axboe:
"Small collection of fixes for 3.14-rc. It contains:
- Three minor update to blk-mq from Christoph.
- Reduce number of unaligned (< 4kb) in-flight writes on mtip32xx to
two. From Micron.
- Make the blk-mq CPU notify spinlock raw, since it can't be a
sleeper spinlock on RT. From Mike Galbraith.
- Drop now bogus BUG_ON() for bio iteration with blk integrity. From
Nic Bellinger.
- Properly propagate the SYNC flag on requests. From Shaohua"
* 'for-linus' of git://git.kernel.dk/linux-block:
blk-mq: add REQ_SYNC early
rt,blk,mq: Make blk_mq_cpu_notify_lock a raw spinlock
bio-integrity: Drop bio_integrity_verify BUG_ON in post bip->bip_iter world
blk-mq: support partial I/O completions
blk-mq: merge blk_mq_insert_request and blk_mq_run_request
blk-mq: remove blk_mq_alloc_rq
mtip32xx: Reduce the number of unaligned writes to 2
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PREPARE_[DELAYED_]WORK() are being phased out. They have few users
and a nasty surprise in terms of reentrancy guarantee as workqueue
considers work items to be different if they don't have the same work
function.
firewire core-device and sbp2 have been been multiplexing work items
with multiple work functions. Introduce fw_device_workfn() and
sbp2_lu_workfn() which invoke fw_device->workfn and
sbp2_logical_unit->workfn respectively and always use the two
functions as the work functions and update the users to set the
->workfn fields instead of overriding work functions using
PREPARE_DELAYED_WORK().
This fixes a variety of possible regressions since a2c1c57be8d9
"workqueue: consider work function when searching for busy work items"
due to which fw_workqueue lost its required non-reentrancy property.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: linux1394-devel@lists.sourceforge.net
Cc: stable@vger.kernel.org # v3.9+
Cc: stable@vger.kernel.org # v3.8.2+
Cc: stable@vger.kernel.org # v3.4.60+
Cc: stable@vger.kernel.org # v3.2.40+
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The original documentation was very unclear.
The code fix is presumably related to the formerly unclear
documentation: SOCK_TIMESTAMPING_RX_SOFTWARE has no effect on
__sock_recv_timestamp's behavior, so calling __sock_recv_ts_and_drops
from sock_recv_ts_and_drops if only SOCK_TIMESTAMPING_RX_SOFTWARE is
set is pointless. This should have no user-observable effect.
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a stub for kvm_vgic_addr when compiling without
CONFIG_KVM_ARM_VGIC. The usefulness of this configurarion is extremely
doubtful, but let's fix it anyway (until we decide that we'll always
support a VGIC).
Reported-by: Michele Paolino <m.paolino@virtualopensystems.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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git://people.freedesktop.org/~deathsimple/linux into drm-next
this is the second pull request for 3.15 radeon changes. Highlights this time:
- Better VRAM usage
- VM page table rework
- Enabling different UVD clocks again
- Some general cleanups and improvements
* 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux:
drm/radeon: remove struct radeon_bo_list
drm/radeon: drop non blocking allocations from sub allocator
drm/radeon: remove global vm lock
drm/radeon: use normal BOs for the page tables v4
drm/radeon: further cleanup vm flushing & fencing
drm/radeon: separate gart and vm functions
drm/radeon: fix VCE suspend/resume
drm/radeon: fix missing bo reservation
drm/radeon: limit how much memory TTM can move per IB according to VRAM usage
drm/radeon: validate relocations in the order determined by userspace v3
drm/radeon: add buffers to the LRU list from smallest to largest
drm/radeon: deduplicate code in radeon_gem_busy_ioctl
drm/radeon: track memory statistics about VRAM and GTT usage and buffer moves v2
drm/radeon: add a way to get and set initial buffer domains v2
drm/radeon: use variable UVD clocks
drm/radeon: cleanup the fence ring locking code
drm/radeon: improve ring lockup detection code v2
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This patch addresses a couple of different hug shutdown issues
related to wait_event() + isert_conn->state. First, it changes
isert_conn->conn_wait + isert_conn->conn_wait_comp_err from
waitqueues to completions, and sets ISER_CONN_TERMINATING from
within isert_disconnect_work().
Second, it splits isert_free_conn() into isert_wait_conn() that
is called earlier in iscsit_close_connection() to ensure that
all outstanding commands have completed before continuing.
Finally, it breaks isert_cq_comp_err() into seperate TX / RX
related code, and adds logic in isert_cq_rx_comp_err() to wait
for outstanding commands to complete before setting ISER_CONN_DOWN
and calling complete(&isert_conn->conn_wait_comp_err).
Acked-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: <stable@vger.kernel.org> #3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Pull networking fixes from David Miller:
1) Fix memory leak in ieee80211_prep_connection(), sta_info leaked on
error. From Eytan Lifshitz.
2) Unintentional switch case fallthrough in nft_reject_inet_eval(),
from Patrick McHardy.
3) Must check if payload lenth is a power of 2 in
nft_payload_select_ops(), from Nikolay Aleksandrov.
4) Fix mis-checksumming in xen-netfront driver, ip_hdr() is not in the
correct place when we invoke skb_checksum_setup(). From Wei Liu.
5) TUN driver should not advertise HW vlan offload features in
vlan_features. Fix from Fernando Luis Vazquez Cao.
6) IPV6_VTI needs to select NET_IPV_TUNNEL to avoid build errors, fix
from Steffen Klassert.
7) Add missing locking in xfrm_migrade_state_find(), we must hold the
per-namespace xfrm_state_lock while traversing the lists. Fix from
Steffen Klassert.
8) Missing locking in ath9k driver, access to tid->sched must be done
under ath_txq_lock(). Fix from Stanislaw Gruszka.
9) Fix two bugs in TCP fastopen. First respect the size argument given
to tcp_sendmsg() in the fastopen path, and secondly prevent
tcp_send_syn_data() from potentially using order-5 allocations.
From Eric Dumazet.
10) Fix handling of default neigh garbage collection params, from Jiri
Pirko.
11) Fix cwnd bloat and over-inflation of RTT when transmit segmentation
is in use. From Eric Dumazet.
12) Missing initialization of Realtek r8169 driver's statistics
seqlocks. Fix from Kyle McMartin.
13) Fix RTNL assertion failures in 802.3ad and AB ARP monitor of bonding
driver, from Ding Tianhong.
14) Bonding slave release race can cause divide by zero, fix from
Nikolay Aleksandrov.
15) Overzealous return from neigh_periodic_work() causes reachability
time to not be computed. Fix from Duain Jiong.
16) Fix regression in ipv6_find_hdr(), it should not return -ENOENT when
a specific target is specified and found. From Hans Schillstrom.
17) Fix VLAN tag stripping regression in BNA driver, from Ivan Vecera.
18) Tail loss probe can calculate bogus RTTs due to missing packet
marking on retransmit. Fix from Yuchung Cheng.
19) We cannot do skb_dst_drop() in iptunnel_pull_header() because
multicast loopback detection in later code paths need access to
skb_rtable(). Fix from Xin Long.
20) The macvlan driver regresses in that it propagates lower device
offload support disables into itself, causing severe slowdowns when
running over a bridge. Provide the software offloads always on
macvlan devices to deal with this and the regression is gone. From
Vlad Yasevich.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (103 commits)
macvlan: Add support for 'always_on' offload features
net: sctp: fix sctp_sf_do_5_1D_ce to verify if we/peer is AUTH capable
ip_tunnel:multicast process cause panic due to skb->_skb_refdst NULL pointer
net: cpsw: fix cpdma rx descriptor leak on down interface
be2net: isolate TX workarounds not applicable to Skyhawk-R
be2net: Fix skb double free in be_xmit_wrokarounds() failure path
be2net: clear promiscuous bits in adapter->flags while disabling promiscuous mode
be2net: Fix to reset transparent vlan tagging
qlcnic: dcb: a couple off by one bugs
tcp: fix bogus RTT on special retransmission
hsr: off by one sanity check in hsr_register_frame_in()
can: remove CAN FD compatibility for CAN 2.0 sockets
can: flexcan: factor out soft reset into seperate funtion
can: flexcan: flexcan_remove(): add missing netif_napi_del()
can: flexcan: fix transition from and to freeze mode in chip_{,un}freeze
can: flexcan: factor out transceiver {en,dis}able into seperate functions
can: flexcan: fix transition from and to low power mode in chip_{en,dis}able
can: flexcan: flexcan_open(): fix error path if flexcan_chip_start() fails
can: flexcan: fix shutdown: first disable chip, then all interrupts
USB AX88179/178A: Support D-Link DUB-1312
...
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Merge misc fixes from Andrew Morton.
* emailed patches from Andrew Morton akpm@linux-foundation.org>:
mm: page_alloc: exempt GFP_THISNODE allocations from zone fairness
mm: numa: bugfix for LAST_CPUPID_NOT_IN_PAGE_FLAGS
MAINTAINERS: add and correct types of some "T:" entries
MAINTAINERS: use tab for separator
rapidio/tsi721: fix tasklet termination in dma channel release
hfsplus: fix remount issue
zram: avoid null access when fail to alloc meta
sh: prefix sh-specific "CCR" and "CCR2" by "SH_"
ocfs2: fix quota file corruption
drivers/rtc/rtc-s3c.c: fix incorrect way of save/restore of S3C2410_TICNT for TYPE_S3C64XX
kallsyms: fix absolute addresses for kASLR
scripts/gen_initramfs_list.sh: fix flags for initramfs LZ4 compression
mm: include VM_MIXEDMAP flag in the VM_SPECIAL list to avoid m(un)locking
memcg: reparent charges of children before processing parent
memcg: fix endless loop in __mem_cgroup_iter_next()
lib/radix-tree.c: swapoff tmpfs radix_tree: remember to rcu_read_unlock
dma debug: account for cachelines and read-only mappings in overlap tracking
mm: close PageTail race
MAINTAINERS: EDAC: add Mauro and Borislav as interim patch collectors
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When doing some numa tests on powerpc, I triggered an oops bug. I find
it is caused by using page->_last_cpupid. It should be initialized as
"-1 & LAST_CPUPID_MASK", but not "-1". Otherwise, in task_numa_fault(),
we will miss the checking (last_cpupid == (-1 & LAST_CPUPID_MASK)). And
finally cause an oops bug in task_numa_group(), since the online cpu is
less than possible cpu. This happen with CONFIG_SPARSE_VMEMMAP disabled
Call trace:
SMP NR_CPUS=64 NUMA PowerNV
Modules linked in:
CPU: 24 PID: 804 Comm: systemd-udevd Not tainted3.13.0-rc1+ #32
task: c000001e2746aa80 ti: c000001e32c50000 task.ti:c000001e32c50000
REGS: c000001e32c53510 TRAP: 0300 Not tainted(3.13.0-rc1+)
MSR: 9000000000009032 <SF,HV,EE,ME,IR,DR,RI> CR:28024424 XER: 20000000
CFAR: c000000000009324 DAR: 7265717569726857 DSISR:40000000 SOFTE: 1
NIP .task_numa_fault+0x1470/0x2370
LR .task_numa_fault+0x1468/0x2370
Call Trace:
.task_numa_fault+0x1468/0x2370 (unreliable)
.do_numa_page+0x480/0x4a0
.handle_mm_fault+0x4ec/0xc90
.do_page_fault+0x3a8/0x890
handle_page_fault+0x10/0x30
Instruction dump:
3c82fefb 3884b138 48d9cff1 60000000 48000574 3c62fefb3863af78 3c82fefb
3884b138 48d9cfd5 60000000 e93f0100 <812902e4> 7d2907b45529063e 7d2a07b4
---[ end trace 15f2510da5ae07cf ]---
Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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