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http://github.com/broadcom/stblinux into fixes
Merge "MAINTAINERS update for Broadcom SoCs for 4.1 #2" from Florian Fainelli:
This pull request contains 3 changes to the MAINTAINERS file for Broadcom SoCs:
- add Ray and Scott for mach-bcm
- remove Christian for mach-bcm
- remove Marc for brcmstb
* tag 'arm-soc/for-4.1/maintainers' of http://github.com/broadcom/stblinux:
MAINTAINERS: Update brcmstb entry
MAINTAINERS: Remove Christian Daudt for mach-bcm
MAINTAINERS: Update mach-bcm maintainers list
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Pull "mvebu fix for 4.1" from Gregory CLEMENT:
Disable the unused internal RTC in the dts of the OpenBlock AX3
* tag 'mvebu-fixes-4.1' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: armada-xp-openblocks-ax3-4: Disable internal RTC
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Merged "ARM: pxa: fixes for v4.1-rc2" from Robert Jarzmik:
These fixes reenable the lubbock(pxa25x) and mainstone(pxa27x)
platforms, which were broken since the gpio handling was
converted to a driver, and the interrupt ordering broke the
external interrupts of these systems.
* tag 'fixes-for-v4.1-rc2' of https://github.com/rjarzmik/linux:
ARM: pxa: lubbock: use new pxa_cplds driver
ARM: pxa: mainstone: use new pxa_cplds driver
ARM: pxa: pxa_cplds: add lubbock and mainstone IO
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Pull "The i.MX fixes for 4.1" from Shawn Guo:
- A couple of imx23-olinuxino device tree fixes regarding to LED GPIO
polarity and USB dr_mode setting
- One i.MX28 device tree fix on AUART4 TX-DMA interrupt name
- Add missing pwm-cells to PWM4 for i.MX25 device tree
- Fix imx6q-phytec device tree to get correct USB VBUS control
- Drop invalid pinctrl-assert-gpios property from imx6qdl-sabreauto
device tree, which was sneaked in from vendor device tree
- One fix on Wolfram's broken email address
* tag 'imx-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6qdl-sabreauto: remove pinctrl-assert-gpios
ARM: dts: imx28: Fix AUART4 TX-DMA interrupt name
ARM: dts: imx25: Add #pwm-cells to pwm4
ARM: dts: imx6: phyFLEX: USB VBUS control is active-high
ARM: mach-imx: devices: platform-sdhci-esdhc-imx: fix broken email address
ARM: dts: imx23-olinuxino: Fix dr_mode of usb0
ARM: dts: imx23-olinuxino: Fix polarity of LED GPIO
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes
Merge "ARM: rockchip: some soc-level fixes for 4.1" from Heiko Stübner:
Two fixes from Chris Zhong, fixing some suspend oddities.
And I've given up on the timer7 issue. While I initially thought
devices would either have both the grave mmu issue requiring a uboot
update and the timer7 issue or none, it looks like in all units in the
field the mmu issue got fixed while the timer7 issue stayed on.
So instead of making everybody wanting to use mainline jump through a
hoop just make sure timer7 is on on boot before we init the arch-timer.
* tag 'v4.1-rockchip-socfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
rockchip: make sure timer7 is enabled on rk3288 platforms
ARM: rockchip: fix undefined instruction of reset_ctrl_regs
ARM: rockchip: disable dapswjdp during suspend
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Here is a smallish set of pin control fixes for the v4.1 cycle,
collected the last two weeks:
- fix a real nasty legacy bug that has screwed up the protection of
adding pinctrl maps dynamically. Normally this didn't happen so
much but Dough Anderson ran into it and fixed it, kudos!
- minor driver fixes for Qualcomm spmi, mediatek and Marvell drivers"
* tag 'pinctrl-v4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: Don't just pretend to protect pinctrl_maps, do it for real
pinctrl: mediatek: mtk-common: initialize unmask
pinctrl: qcom-spmi-mpp: Fix input value report
pinctrl: qcom-spmi: Fix pin direction configuration
pinctrl: mvebu: Fix mapping of pin 63 (gpo -> gpio)
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Pull vfio fixes from Alex Williamson:
"Fix some undesirable behavior with the vfio device request interface:
- increase verbosity of device request channel (Alex Williamson)
- fix runaway interruptible timeout (Alex Williamson)"
* tag 'vfio-v4.1-rc3' of git://github.com/awilliam/linux-vfio:
vfio: Fix runaway interruptible timeout
vfio-pci: Log device requests more verbosely
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Saving the current UVD state on suspend and restoring it on resume
just doesn't work reliable. Just close cleanup all sessions on suspend.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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MPEG 2/4 are only supported since UVD3.
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Invalid messages can crash the hw otherwise.
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Invalid handles can crash the hw.
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We shouldn't try to reserve and wait for a BO that isn't bound. Otherwise
we can run into a deadlock if we have a fault during binding the BO.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Fixing a memory leak with userptrs.
v2: clean up the loop, use an iterator instead
v3: remove unused variable
Signed-off-by: monk.liu <monk.liu@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch fixes a bug where sdma vm wasn't initialized when
an sdma queue was created in HWS mode.
This caused GPUVM faults to appear on dmesg and it is one of the
causes that SDMA queues are not working.
Signed-off-by: Xihan Zhang <xihan.zhang@amd.com>
Reviewed-by: Ben Goz <ben.goz@amd.comt>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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This patch sets the local memory size that is reported to userspace to 0.
This is done to make sure that userspace won't try to allocate local memory
for HSA.
As long as amdkfd doesn't support allocating local memory for HSA,
we need this patch.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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Sometimes we might unregister process that have queues, because we couldn't
preempt the queues. Until now we blocked it with BUG_ON but instead just
print it as debug.
Reviewed-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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Pull infiniband updates from Doug Ledford:
"Minor updates for 4.1-rc
Most of the changes are fairly small and well confined. The iWARP
address reporting changes are the only ones that are a medium size. I
had these queued up prior to rc1, but due to the shuffle in
maintainers, they did not get submitted when I expected. My apologies
for that. I feel comfortable with them however due to the testing
they've received, so I left them in this submission"
* tag 'for-linus' of git://github.com/dledford/linux:
MAINTAINERS: Update InfiniBand subsystem maintainer
MAINTAINERS: add include/rdma/ to InfiniBand subsystem
IPoIB/CM: Fix indentation level
iw_cxgb4: Remove negative advice dmesg warnings
IB/core: Fix unaligned accesses
IB/core: change rdma_gid2ip into void function as it always return zero
IB/qib: use arch_phys_wc_add()
IB/qib: add acounting for MTRR
IB/core: dma unmap optimizations
IB/core: dma map/unmap locking optimizations
RDMA/cxgb4: Report the actual address of the remote connecting peer
RDMA/nes: Report the actual address of the remote connecting peer
RDMA/core: Enable the iWarp Port Mapper to provide the actual address of the connecting peer to its clients
iw_cxgb4: enforce qp/cq id requirements
iw_cxgb4: use BAR2 GTS register for T5 kernel mode CQs
iw_cxgb4: 32b platform fixes
iw_cxgb4: Cleanup register defines/MACROS
RDMA/CMA: Canonize IPv4 on IPV6 sockets properly
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Since the introduction of BIOS fb preservation, circa 3.17, we began
encountering a failure during boot when trying to use force-detect
before GEM was initialised. That bug is from
commit 7fad798e16fecddd41c6a91728a09f0b9507e40c
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Jul 4 17:51:47 2012 +0200
drm/i915: ensure the force pipe A quirk is actually followed
but investigation of the affected machine revealed that it was using a
PIPE-A quirk even though it was a 945GSE and the quirk is only supposed
to be used to workaround a hardware issue on 830/845. That quirk was
added for this HP Mini in
commit 6b93afc564a5e74b0eaaa46c95f557449951b3b9
Author: Bryce Harrington <bryce@bryceharrington.org>
Date: Wed May 27 03:40:52 2009 -0700
add pipe a force quirk for Dell mini
in order to workaround an issue with the BIOS behaving strangely during
lid-close. Since then we have a much larger hammer to thwart the BIOS
after opening the lid and the PIPE-A quirk is no longer required.
Reported-and-tested-by: Apostolos B. <barz621@gmail.com>
References: https://bugs.freedesktop.org/show_bug.cgi?id=21960
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=87521
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The sink rate read from supported link rate table is in KHz as per spec
while in drm, the saved clock is in deca-KHz. So divide the link rate by
10 before storing.
Reading of rates was added by:
commit fc0f8e25318f ("drm/i915/skl: Read sink supported rates from edp
panel")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The only caller to this function (__print_array) was getting it wrong by
passing the array length instead of buffer length. As the element size
was already being passed for other reasons it seems reasonable to push
the calculation of buffer length into the function.
Link: http://lkml.kernel.org/r/1430320727-14582-1-git-send-email-alex.bennee@linaro.org
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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We were passing a flags value that differed from the intention in commit
2b108268006e ("Btrfs: don't use highmem for free space cache pages").
This caused problems in a ARM machine, leaving btrfs unusable there.
Reported-by: Merlijn Wajer <merlijn@wizzup.org>
Tested-by: Merlijn Wajer <merlijn@wizzup.org>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- fix blkback regression if using persistent grants
- fix various event channel related suspend/resume bugs
- fix AMD x86 regression with X86_BUG_SYSRET_SS_ATTRS
- SWIOTLB on ARM now uses frames <4 GiB (if available) so device only
capable of 32-bit DMA work.
* tag 'for-linus-4.1b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Add __GFP_DMA flag when xen_swiotlb_init gets free pages on ARM
hypervisor/x86/xen: Unset X86_BUG_SYSRET_SS_ATTRS on Xen PV guests
xen/events: Set irq_info->evtchn before binding the channel to CPU in __startup_pirq()
xen/console: Update console event channel on resume
xen/xenbus: Update xenbus event channel on resume
xen/events: Clear cpu_evtchn_mask before resuming
xen-pciback: Add name prefix to global 'permissive' variable
xen: Suspend ticks on all CPUs during suspend
xen/grant: introduce func gnttab_unmap_refs_sync()
xen/blkback: safely unmap purge persistent grants
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"EFI fixes, and FPU fix, a ticket spinlock boundary condition fix and
two build fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Always restore_xinit_state() when use_eager_cpu()
x86: Make cpu_tss available to external modules
efi: Fix error handling in add_sysfs_runtime_map_entry()
x86/spinlocks: Fix regression in spinlock contention detection
x86/mm: Clean up types in xlate_dev_mem_ptr()
x86/efi: Store upper bits of command line buffer address in ext_cmd_line_ptr
efivarfs: Ensure VariableName is NUL-terminated
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Mostly tooling fixes, but also an uncore PMU driver fix and an uncore
PMU driver hardware-enablement addition"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf probe: Fix segfault if passed with ''.
perf report: Fix -T/--threads option to work again
perf bench numa: Fix immediate meeting of convergence condition
perf bench numa: Fixes of --quiet argument
perf bench futex: Fix hung wakeup tasks after requeueing
perf probe: Fix bug with global variables handling
perf top: Fix a segfault when kernel map is restricted.
tools lib traceevent: Fix build failure on 32-bit arch
perf kmem: Fix compiles on RHEL6/OL6
tools lib api: Undefine _FORTIFY_SOURCE before setting it
perf kmem: Consistently use PRIu64 for printing u64 values
perf trace: Disable events and drain events when forked workload ends
perf trace: Enable events when doing system wide tracing and starting a workload
perf/x86/intel/uncore: Move PCI IDs for IMC to uncore driver
perf/x86/intel/uncore: Add support for Intel Haswell ULT (lower power Mobile Processor) IMC uncore PMUs
perf/x86/intel: Add cpu_(prepare|starting|dying) for core_pmu
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU fix from Ingo Molnar:
"An RCU Kconfig fix that eliminates an annoying interactive kconfig
question for CONFIG_RCU_TORTURE_TEST_SLOW_INIT"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rcu: Control grace-period delays directly from value
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Using sendfile with below small program to get MD5 sums of some files,
it appear that big files (over 64kbytes with 4k pages system) get a
wrong MD5 sum while small files get the correct sum.
This program uses sendfile() to send a file to an AF_ALG socket
for hashing.
/* md5sum2.c */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <linux/if_alg.h>
int main(int argc, char **argv)
{
int sk = socket(AF_ALG, SOCK_SEQPACKET, 0);
struct stat st;
struct sockaddr_alg sa = {
.salg_family = AF_ALG,
.salg_type = "hash",
.salg_name = "md5",
};
int n;
bind(sk, (struct sockaddr*)&sa, sizeof(sa));
for (n = 1; n < argc; n++) {
int size;
int offset = 0;
char buf[4096];
int fd;
int sko;
int i;
fd = open(argv[n], O_RDONLY);
sko = accept(sk, NULL, 0);
fstat(fd, &st);
size = st.st_size;
sendfile(sko, fd, &offset, size);
size = read(sko, buf, sizeof(buf));
for (i = 0; i < size; i++)
printf("%2.2x", buf[i]);
printf(" %s\n", argv[n]);
close(fd);
close(sko);
}
exit(0);
}
Test below is done using official linux patch files. First result is
with a software based md5sum. Second result is with the program above.
root@vgoip:~# ls -l patch-3.6.*
-rw-r--r-- 1 root root 64011 Aug 24 12:01 patch-3.6.2.gz
-rw-r--r-- 1 root root 94131 Aug 24 12:01 patch-3.6.3.gz
root@vgoip:~# md5sum patch-3.6.*
b3ffb9848196846f31b2ff133d2d6443 patch-3.6.2.gz
c5e8f687878457db77cb7158c38a7e43 patch-3.6.3.gz
root@vgoip:~# ./md5sum2 patch-3.6.*
b3ffb9848196846f31b2ff133d2d6443 patch-3.6.2.gz
5fd77b24e68bb24dcc72d6e57c64790e patch-3.6.3.gz
After investivation, it appears that sendfile() sends the files by blocks
of 64kbytes (16 times PAGE_SIZE). The problem is that at the end of each
block, the SPLICE_F_MORE flag is missing, therefore the hashing operation
is reset as if it was the end of the file.
This patch adds SPLICE_F_MORE to the flags when more data is pending.
With the patch applied, we get the correct sums:
root@vgoip:~# md5sum patch-3.6.*
b3ffb9848196846f31b2ff133d2d6443 patch-3.6.2.gz
c5e8f687878457db77cb7158c38a7e43 patch-3.6.3.gz
root@vgoip:~# ./md5sum2 patch-3.6.*
b3ffb9848196846f31b2ff133d2d6443 patch-3.6.2.gz
c5e8f687878457db77cb7158c38a7e43 patch-3.6.3.gz
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Way back, when the world was a simpler place and there was no war, no
evil, and no kernel bugs, there was just a single pinctrl lock. That
was how the world was when (57291ce pinctrl: core device tree mapping
table parsing support) was written. In that case, there were
instances where the pinctrl mutex was already held when
pinctrl_register_map() was called, hence a "locked" parameter was
passed to the function to indicate that the mutex was already locked
(so we shouldn't lock it again).
A few years ago in (42fed7b pinctrl: move subsystem mutex to
pinctrl_dev struct), we switched to a separate pinctrl_maps_mutex.
...but (oops) we forgot to re-think about the whole "locked" parameter
for pinctrl_register_map(). Basically the "locked" parameter appears
to still refer to whether the bigger pinctrl_dev mutex is locked, but
we're using it to skip locks of our (now separate) pinctrl_maps_mutex.
That's kind of a bad thing(TM). Probably nobody noticed because most
of the calls to pinctrl_register_map happen at boot time and we've got
synchronous device probing. ...and even cases where we're
asynchronous don't end up actually hitting the race too often. ...but
after banging my head against the wall for a bug that reproduced 1 out
of 1000 reboots and lots of looking through kgdb, I finally noticed
this.
Anyway, we can now safely remove the "locked" parameter and go back to
a war-free, evil-free, and kernel-bug-free world.
Fixes: 42fed7ba44e4 ("pinctrl: move subsystem mutex to pinctrl_dev struct")
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Make sure that xen_swiotlb_init allocates buffers that are DMA capable
when at least one memblock is available below 4G. Otherwise we assume
that all devices on the SoC can cope with >4G addresses. We do this on
ARM and ARM64, where dom0 is mapped 1:1, so pfn == mfn in this case.
No functional changes on x86.
From: Chen Baozi <baozich@gmail.com>
Signed-off-by: Chen Baozi <baozich@gmail.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: Chen Baozi <baozich@gmail.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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At some point with all the GPIO clean-up we've broken the
MPUIO interrupts. Those are just a little bit different from
the GPIO interrupts, so we can fix it up just by setting
different irqchip functions for it. And then we can just
remove all old code trying to do the same.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Javier Martinez Canillas <javier@dowhile0.org>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@linaro.org>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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During kernel boot, it will try to read some logical sectors
of each block device node for the possible partition table.
But since RPMB partition is special and can not be accessed
by normal eMMC read / write CMDs, it will cause below error
messages during kernel boot:
...
mmc0: Got data interrupt 0x00000002 even though no data operation was in progress.
mmcblk0rpmb: error -110 transferring data, sector 0, nr 32, cmd response 0x900, card status 0xb00
mmcblk0rpmb: retrying using single block read
mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
end_request: I/O error, dev mmcblk0rpmb, sector 0
Buffer I/O error on device mmcblk0rpmb, logical block 0
end_request: I/O error, dev mmcblk0rpmb, sector 8
Buffer I/O error on device mmcblk0rpmb, logical block 1
end_request: I/O error, dev mmcblk0rpmb, sector 16
Buffer I/O error on device mmcblk0rpmb, logical block 2
end_request: I/O error, dev mmcblk0rpmb, sector 24
Buffer I/O error on device mmcblk0rpmb, logical block 3
...
This patch will discard the access request in eMMC queue if
it is RPMB partition access request. By this way, it avoids
trigger above error messages.
Fixes: 090d25fe224c ("mmc: core: Expose access to RPMB partition")
Signed-off-by: Yunpeng Gao <yunpeng.gao@intel.com>
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Tested-by: Michael Shigorin <mike@altlinux.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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f9fd54f22e ("mmc: sh_mmcif: Use msecs_to_jiffies() for host->timeout")
changed the timeout value from 1000 jiffies to 1s. In the case where
HZ is 1000 the values are the same. However, for smaller HZ values the
timeout is now smaller, 1s instead of 10s in the case of HZ=100.
Since the timeout occurs in spite of a normal data transfer a timeout of
10s seems more appropriate. This restores the previous timeout in the
case where HZ=100 and results in an increase over the previous timeout
for larger values of HZ.
Fixes: f9fd54f22e ("mmc: sh_mmcif: Use msecs_to_jiffies() for host->timeout")
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[horms: rewrote changelog to refer to HZ]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The following commit:
f893959b0898 ("x86/fpu: Don't abuse drop_init_fpu() in flush_thread()")
removed drop_init_fpu() usage from flush_thread(). This seems to break
things for me - the Go 1.4 test suite fails all over the place with
floating point comparision errors (offending commit found through
bisection).
The functional change was that flush_thread() after this commit
only calls restore_init_xstate() when both use_eager_fpu() and
!used_math() are true. drop_init_fpu() (now fpu_reset_state()) calls
restore_init_xstate() regardless of whether current used_math() - apply
the same logic here.
Switch used_math() -> tsk_used_math(tsk) to consistently use the grabbed
tsk instead of current, like in the rest of flush_thread().
Tested-by: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Bobby Powers <bobbypowers@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pekka Riikonen <priikone@iki.fi>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Suresh Siddha <sbsiddha@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: f893959b ("x86/fpu: Don't abuse drop_init_fpu() in flush_thread()")
Link: http://lkml.kernel.org/r/1430147441-9820-1-git-send-email-bobbypowers@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The eDP port A register on PCH split platforms has a slightly different
register layout from the other ports, with bit 6 being either alternate
scrambler reset or reserved, depending on the generation. Our
misinterpretation of the bit as audio has lead to warning.
Fix this by not enabling audio on port A, since none of our platforms
support audio on port A anyway.
v2: DDI doesn't have audio on port A either (Sivakumar Thulasimani)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89958
Reported-and-tested-by: Chris Bainbridge <chris.bainbridge@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into x86/urgent
Pull EFI fixes from Matt Fleming:
* Avoid garbage names in efivarfs due to buggy firmware by zeroing
EFI variable name. (Ross Lagerwall)
* Stop erroneously dropping upper 32 bits of boot command line pointer
in EFI boot stub and stash them in ext_cmd_line_ptr. (Roy Franz)
* Fix double-free bug in error handling code path of EFI runtime map
code. (Dan Carpenter)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:
- Fix 'perf probe -a' segfault if passed with '' (Wang Nan)
- Fix report -T/--threads option (Namhyung Kim)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull IPMI fixes from Corey Minyard:
"Lots of minor IPMI fixes, especially ones that have have come up since
the SSIF driver has been in the main kernel for a while"
* tag 'for-linus-4.1-1' of git://git.code.sf.net/p/openipmi/linux-ipmi:
ipmi: Fix multi-part message handling
ipmi: Add alert handling to SSIF
ipmi: Fix a problem that messages are not issued in run_to_completion mode
ipmi: Report an error if ACPI _IFT doesn't exist
ipmi: Remove unused including <linux/version.h>
ipmi: Don't report err in the SI driver for SSIF devices
ipmi: Remove incorrect use of seq_has_overflowed
ipmi:ssif: Ignore spaces when comparing I2C adapter names
ipmi_ssif: Fix the logic on user-supplied addresses
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Merge misc fixes from Andrew Morton:
"16 patches
This includes a new rtc driver for the Abracon AB x80x and isn't very
appropriate for -rc2. It was still being fiddled with a bit during
the merge window and I fell asleep during -rc1"
[ So I took the new driver, it seems small and won't regress anything.
I'm a softy. - Linus ]
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
rtc: armada38x: fix concurrency access in armada38x_rtc_set_time
ocfs2: dlm: fix race between purge and get lock resource
nilfs2: fix sanity check of btree level in nilfs_btree_root_broken()
util_macros.h: have array pointer point to array of constants
configfs: init configfs module earlier at boot time
mm/hwpoison-inject: check PageLRU of hpage
mm/hwpoison-inject: fix refcounting in no-injection case
mm: soft-offline: fix num_poisoned_pages counting on concurrent events
rtc: add rtc-abx80x, a driver for the Abracon AB x80x i2c rtc
Documentation: bindings: add abracon,abx80x
kasan: show gcc version requirements in Kconfig and Documentation
mm/memory-failure: call shake_page() when error hits thp tail page
lib: delete lib/find_last_bit.c
MAINTAINERS: add co-maintainer for LED subsystem
zram: add Designated Reviewer for zram in MAINTAINERS
revert "zram: move compact_store() to sysfs functions area"
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver fixes from Darren Hart:
"This includes a trivial warning and adding a Lenovo laptop to an
existing quirk.
I've held off on things like the latter in the past, but I didn't feel
it was risky enough to push out to 4.2.
- thinkpad_acpi:
Fix warning for static not at beginning
- ideapad_laptop:
Add Lenovo G40-30 to devices without radio switch"
* tag 'platform-drivers-x86-v4.1-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
thinkpad_acpi: Fix warning for static not at beginning
ideapad_laptop: Add Lenovo G40-30 to devices without radio switch
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Lots of little fixes for multi-part messages:
The values was not being re-initialized, if something went wrong
handling a multi-part message and it got left in a bad state, it
might be an issue.
The commands were not correct when issuing multi-part reads, the
code was not passing in the proper value for commands. Also clean
up some minor formatting issues.
Get the block number from the right location, limit the maximum send
message size to 63 bytes and explain why, and fix some minor sylistic
issues.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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The SSIF interface can optionally have an SMBus alert come in when
data is ready. Unfortunately, the IPMI spec gives wiggle room to
the implementer to allow them to always have the alert enabled,
even if the driver doesn't enable it. So implement alerts.
If you don't in this situation, the SMBus alert handling will
constantly complain.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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start_next_msg() issues a message placed in smi_info->waiting_msg
if it is non-NULL. However, sender() sets a message to
smi_info->curr_msg and NULL to smi_info->waiting_msg in the context
of run_to_completion mode. As the result, it leads an infinite
loop by waiting the completion of unissued message when leaving
dying message after kernel panic.
sender() should set the message to smi_info->waiting_msg not
curr_msg.
Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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When probing an ACPI table, report a specific error, instead of just
returning an error, if _IFT doesn't exist.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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Remove including <linux/version.h> that don't need it.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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While setting the time, the RTC TIME register should not be accessed.
However due to hardware constraints, setting the RTC time involves
sleeping during 100ms. This sleep was done outside the critical section
protected by the spinlock, so it was possible to read the RTC TIME
register and get an incorrect value. This patch introduces a mutex for
protecting the RTC TIME access, unlike the spinlock it is allowed to
sleep in a critical section protected by a mutex.
The RTC STATUS register can still be used from the interrupt handler but
it has no effect on setting the time.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: <stable@vger.kernel.org> [4.0]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There is a race window in dlm_get_lock_resource(), which may return a
lock resource which has been purged. This will cause the process to
hang forever in dlmlock() as the ast msg can't be handled due to its
lock resource not existing.
dlm_get_lock_resource {
...
spin_lock(&dlm->spinlock);
tmpres = __dlm_lookup_lockres_full(dlm, lockid, namelen, hash);
if (tmpres) {
spin_unlock(&dlm->spinlock);
>>>>>>>> race window, dlm_run_purge_list() may run and purge
the lock resource
spin_lock(&tmpres->spinlock);
...
spin_unlock(&tmpres->spinlock);
}
}
Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The range check for b-tree level parameter in nilfs_btree_root_broken()
is wrong; it accepts the case of "level == NILFS_BTREE_LEVEL_MAX" even
though the level is limited to values in the range of 0 to
(NILFS_BTREE_LEVEL_MAX - 1).
Since the level parameter is read from storage device and used to index
nilfs_btree_path array whose element count is NILFS_BTREE_LEVEL_MAX, it
can cause memory overrun during btree operations if the boundary value
is set to the level parameter on device.
This fixes the broken sanity check and adds a comment to clarify that
the upper bound NILFS_BTREE_LEVEL_MAX is exclusive.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Using the new find_closest() macro can result in the following sparse
warnings.
drivers/hwmon/lm85.c:194:16: warning:
incorrect type in initializer (different modifiers)
drivers/hwmon/lm85.c:194:16: expected int *__fc_a
drivers/hwmon/lm85.c:194:16: got int static const [toplevel] *<noident>
drivers/hwmon/lm85.c:210:16: warning:
incorrect type in initializer (different modifiers)
drivers/hwmon/lm85.c:210:16: expected int *__fc_a
drivers/hwmon/lm85.c:210:16: got int const *map
This is because the array passed to find_closest() will typically be
declared as array of constants, but the macro declares a non-constant
pointer to it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We need this earlier in the boot process to allow various subsystems to
use configfs (e.g Industrial IIO).
Also, debugfs is at core_initcall level and configfs should be on the same
level from infrastructure point of view.
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Suggested-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Hwpoison injector checks PageLRU of the raw target page to find out
whether the page is an appropriate target, but current code now filters
out thp tail pages, which prevents us from testing for such cases via this
interface. So let's check hpage instead of p.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Dean Nelson <dnelson@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Hwpoison injection via debugfs:hwpoison/corrupt-pfn takes a refcount of
the target page. But current code doesn't release it if the target page
is not supposed to be injected, which results in memory leak. This patch
simply adds the refcount releasing code.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Dean Nelson <dnelson@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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