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ACPICA commit f5d2ff3fa05341d9fe27250fcb2e14c7f871432c
For dynamically loaded tables that have unknown ACPI signatures,
this option (-df) forces the disassembler to treat the table as if
it contains valid AML code (like a DSDT or SSDT). Otherwise, the
disassembler will treat the table as an unkown data table and
simply do a hex dump of the table.
Linux kernel is not affected by this patch.
Link: https://github.com/acpica/acpica/commit/f5d2ff3f
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit f65d0e5b880860a6da0c336b7c48139d1469f5b4
- Remove unused variables
- Update to use standard naming/capitalization convention.
Linux kernel is not affected by this patch.
Link: https://github.com/acpica/acpica/commit/f65d0e5b
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 184f3cc4d162a6b6b2005eacd8be2fe55f19a245
- Change global #ifdef to check for ACPI_DEBUGGER only.
- Cleanup some long lines and misaligned code.
Link: https://github.com/acpica/acpica/commit/184f3cc4
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 46dc081e570b1363af1e368980201cbb65c4100f
Update for some recent changes, detected by MSVC and FreeBSD builds.
Link: https://github.com/acpica/acpica/commit/46dc081e
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit f92a08512b0b35dce4a7fc6a73216674a3c2541b
Some conditional compilation definitions are wrong across header and source
files. This patch corrects them for the resources component.
NOTE that a further patch in this patchset cleans up all ACPI_EXEC_APP,
converting them into ACPI_DEBUGGER, including part of this change.
Link: https://github.com/acpica/acpica/commit/f92a0851
Reported-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 9a5982afbebc56289c4834b5f6dac87e0f04af14
Some conditional compilation definitions are wrong across header and source
files. This patch corrects them for the utilities component.
Link: https://github.com/acpica/acpica/commit/9a5982af
Reported-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 6eb364d790dd103bd4990f808e0095a421c437cb
acpi_tb_store_table() implements a logic that is only correct to iasl. So it
won't be used by any other utilities except iasl. This function is
complained by the kernel users as an unused function. The best choice to
stop releasing it to the Linux kernel should be moving it to adisasm.c.
ACPI table manager can use both struct acpi_table_desc (direct referencing)
and table index (indirect referencing) as the descriptor to the table, so
acpi_tb_get_next_root_index() is extended to return both of them to allow
maximum usability from the callers. NOTE that indirect referencing is a
design result to meet the boot stage static allocation requirement for the
table descriptors.
This is a linuxized acpi_tb_store_table() removing result, there should be
no functional changes introduced to the Linux kernel by this patch except
the additonal kernel unused argument for acpi_tb_get_next_root_index()
(renamed to acpi_tb_get_next_root_index()). This argument is used in the
ACPICA upstream.
Link: https://github.com/acpica/acpica/commit/6eb364d7
Reported-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 2a9ebd974aee41391f4b0edcd4f0cc5ee23ec2f8
Remove the function acpi_ut_create_pkg_state_and_push() that is not used anywhere.
This was partially found by using a static code analysis program called cppcheck.
Link: https://github.com/acpica/acpica/commit/2a9ebd97
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 3d9fb6d1f216a78ad098d3ad23f1304376c2f4ef
The macro __DATE__ and friends is not allowed in the Linux kernel. Also,
including the build time in output doesn't seem to provide any value.
Link: https://github.com/acpica/acpica/commit/3d9fb6d1
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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GPE and fixed event.
ACPICA commit e25d791e4b3d5b9f4ead298269610cb05f89749a
There is a facility in Linux, developers can obtain GPE and fixed event
status via /sys/firmware/interrupts/. This is implemented using
acpi_get_event_status() and acpi_get_gpe_status(). Recently while debugging some
GPE race issues, it is found that the facility is lacking in the ability to
obtain real hardware register values, the confusing information makes
debugging difficult.
This patch modifies acpi_get_gpe_status() to return EN register values to fix
this gap. Then flags returned from acpi_get_event_status() and
acpi_get_gpe_status() are also cleaned up to reflect this change.
The old ACPI_EVENT_FLAG_SET is carefully kept to avoid regressions. It can
be deleted after we can make sure all its references are removed from OSPM
code. Lv Zheng.
Link: https://github.com/acpica/acpica/commit/e25d791e
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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acpi_tb_install_standard_table().
ACPICA commit c70434d4da13e65b6163c79a5aa16b40193631c7
ACPI_MTX_TABLES is acquired and released by the callers of
acpi_tb_install_standard_table() so releasing it in the function itself is
causing the following error in Linux kernel if the table is reloaded:
ACPI Error: Mutex [0x2] is not acquired, cannot release (20141107/utmutex-321)
Call Trace:
[<ffffffff81b0bd48>] dump_stack+0x4f/0x7b
[<ffffffff81546bf5>] acpi_ut_release_mutex+0x47/0x67
[<ffffffff81544357>] acpi_load_table+0x73/0xcb
Link: https://github.com/acpica/acpica/commit/c70434d4
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit b60612373a4ef63b64a57c124576d7ddb6d8efb6
For physical addresses, since the address may exceed 32-bit address range
after calculation, we should use 0x%8.8X%8.8X instead of ACPI_PRINTF_UINT
and ACPI_FORMAT_UINT64() instead of
ACPI_FORMAT_NATIVE_UINT()/ACPI_FORMAT_TO_UINT().
This patch also removes above replaced macros as there are no users.
This is a preparation to switch acpi_physical_address to 64-bit on 32-bit
kernel builds.
Link: https://github.com/acpica/acpica/commit/b6061237
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 7f06739db43a85083a70371c14141008f20b2198
For physical addresses, since the address may exceed 32-bit address range
after calculation, we should use %8.8X%8.8X (see ACPI_FORMAT_UINT64()) to
convert the %p formats.
This is a preparation to switch acpi_physical_address to 64-bit on 32-bit
kernel builds.
Link: https://github.com/acpica/acpica/commit/7f06739d
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPI_PHYSADDR_TO_PTR()/ACPI_PTR_TO_PHYSADDR().
ACPICA commit 154f6d074dd38d6ebc0467ad454454e6c5c9ecdf
There are code pieces converting pointers using "(acpi_physical_address) x"
or "ACPI_CAST_PTR (t, x)" formats, this patch cleans up them.
Known issues:
1. Cleanup of "(ACPI_PHYSICAL_ADDRRESS) x" for a table field
For the conversions around the table fields, it is better to fix it with
alignment also fixed. So this patch doesn't modify such code. There
should be no functional problem by leaving them unchanged.
Link: https://github.com/acpica/acpica/commit/154f6d07
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit c327986430b7eb170c17d0f45735fe71bb62a810
The conversion converts an acpi_physical_address to acpi_physical_address,
this patch thus removes such useless conversion.
Link: https://github.com/acpica/acpica/commit/c3279864
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 7d9fd64397d7c38899d3dc497525f6e6b044e0e3
OSPMs like Linux expect an acpi_physical_address returning value from
acpi_find_root_pointer(). This triggers warnings if sizeof (acpi_size) doesn't
equal to sizeof (acpi_physical_address):
drivers/acpi/osl.c:275:3: warning: passing argument 1 of 'acpi_find_root_pointer' from incompatible pointer type [enabled by default]
In file included from include/acpi/acpi.h:64:0,
from include/linux/acpi.h:36,
from drivers/acpi/osl.c:41:
include/acpi/acpixf.h:433:1: note: expected 'acpi_size *' but argument is of type 'acpi_physical_address *'
This patch corrects acpi_find_root_pointer().
Link: https://github.com/acpica/acpica/commit/7d9fd643
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch reduces source code differences between the Linux kernel and the
ACPICA upstream so that the linuxized ACPICA 20150410 release can be
applied with reduced human intervention.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
Pull last minute thermal-SoC management fixes from Eduardo Valentin:
"Specifics:
- Minor fixes on ST and RCAR thermal drivers.
- Avoid flooding kernel log when driver returns -EAGAIN.
Note: I am sending this pull on Rui's behalf while he fixes issues in
his Linux box"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
drivers: thermal: st: remove several sparse warnings
thermal: constify of_device_id array
thermal: Do not log an error if thermal_zone_get_temp returns -EAGAIN
thermal: rcar: Fix typo in r8a73a4 SoC name
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caps retrieval"
This reverts commit ecc19d17868be9c9f8f00ed928791533c420f3e0.
It added a new warning to try to encourage driver writers to set the
device capabities properly, but drivers haven't been updated and in the
meantime it just generaters a scary message that users cannot actually
do anything about.
Warnings like these are appropriate if you actually expect to fix the
code that causes them. They are not appropriate for releases.
Requested-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull dmaengine fix from Vinod Koul:
"I have one more fix to fix the boot warning on cppi driver due to
missing capabilities"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: cppi41: add missing bitfields
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Add missing directions, residue_granularity,
srd_addr_widths and dst_addr_widths bitfields.
Without those we will see a kernel WARN()
when loading musb on am335x devices.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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The code was using an normal completion, but that caused stuck
task errors after a while. Use an interruptible one to avoid that.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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If ipmi_powernv_recv(...) is called without a current message it
prints a warning and returns. However it fails to release the message
lock causing the system to dead lock during any subsequent IPMI
operations.
This error path should never normally be taken unless there are bugs
elsewhere in the system.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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Some BMCs don't let you clear the receive irq bit in the global
enables. This is kind of silly, but they give an error if you
try to clear it. Compensate for this by detecting the situation
and working around it.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Thomas D <whissi@whissi.de>
Reviewed-by: Thomas D <whissi@whissi.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is our remaining set of three fixes for 4.0: two oops fixes(one
for cable pulls triggering oopses and the other be2iscsi specific) and
one warn on in sysfs on multipath devices using enclosures"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
Defer processing of REQ_PREEMPT requests for blocked devices
be2iscsi: Fix kernel panic when device initialization fails
enclosure: fix WARN_ON removing an adapter in multi-path devices
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Pull SCSI target fixes from Nicholas Bellinger:
"Just a few small fixes:
Two from Andy, the first addresses a v4.0 target specific regression
to a user visible configfs attribute, and the second adds a set of
missing brackets around IPv6 discovery portal information within
iscsi-target.
And one from Mike that fixes an OOPs regression in traditional
iscsi-target when an iovec allocation fails, that has been present
since v3.10.y code. (CC'd to stable)"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
iscsi target: fix oops when adding reject pdu
iscsi-target: TargetAddress in SendTargets should bracket ipv6 addresses
target: Allow userspace to write 1 to attrib/emulate_fua_write
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This fixes a oops due to a double list add when adding a reject PDU for
iscsit_allocate_iovecs allocation failures. The cmd has already been
added to the conn_cmd_list in iscsit_setup_scsi_cmd, so this has us call
iscsit_reject_cmd.
Note that for ERL0 the reject PDU is not actually sent, so this patch
is not completely tested. Just verified we do not oops. The problem is the
add reject functions return -1 which is returned all the way up to
iscsi_target_rx_thread which for ERL0 will drop the connection.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These are stable-candidate fixes of some recently reported issues in
the cpufreq core, cpuidle core, the ACPI cpuidle driver and the
hibernate core.
Specifics:
- Revert a 3.17 hibernate commit that was supposed to fix an issue
related to e820 reserved regions, but broke resume from hibernation
on Lenovo x230 (Rafael J Wysocki).
- Prevent the ACPI cpuidle driver from overwriting the name and
description of the C0 state set by the core when the list of
C-states changes (Thomas Schlichter).
- Remove the no longer needed state_count field from struct
cpuidle_device which prevents the list of C-states shown by the
sysfs interface from becoming incorrect when the current number of
them is different from the number of C-states on boot (Bartlomiej
Zolnierkiewicz).
- The cpufreq core updates the policy object of the only online CPU
during system resume to make it reflect the current hardware state,
but it always assumes that CPU to be CPU0 which need not be the
case, so fix the code to avoid that assumption (Viresh Kumar)"
* tag 'pm+acpi-4.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "PM / hibernate: avoid unsafe pages in e820 reserved regions"
cpuidle: ACPI: do not overwrite name and description of C0
cpuidle: remove state_count field from struct cpuidle_device
cpufreq: Schedule work for the first-online CPU on resume
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* pm-sleep:
Revert "PM / hibernate: avoid unsafe pages in e820 reserved regions"
* pm-cpufreq:
cpufreq: Schedule work for the first-online CPU on resume
* pm-cpuidle:
cpuidle: ACPI: do not overwrite name and description of C0
cpuidle: remove state_count field from struct cpuidle_device
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Here are some fixes for v4.0. I apologize for how late they are. We
were hoping for some better fixes, but couldn't get them polished in
time. These fix:
- a Xen domU oops with PCI passthrough devices
- a sparc T5 boot failure
- a STM SPEAr13xx crash (use after initdata freed)
- a cpcihp hotplug driver thinko
- an AER thinko that printed stack junk
Details:
Enumeration
- Don't look for ACPI hotplug parameters if ACPI is disabled (Bjorn Helgaas)
Resource management
- Revert "sparc/PCI: Clip bridge windows to fit in upstream windows" (Bjorn Helgaas)
AER
- Avoid info leak in __print_tlp_header() (Rasmus Villemoes)
PCI device hotplug
- Add missing curly braces in cpci_configure_slot() (Dan Carpenter)
ST Microelectronics SPEAr13xx host bridge driver
- Drop __initdata from spear13xx_pcie_driver (Matwey V. Kornilov)
* tag 'pci-v4.0-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
Revert "sparc/PCI: Clip bridge windows to fit in upstream windows"
PCI: Don't look for ACPI hotplug parameters if ACPI is disabled
PCI: cpcihp: Add missing curly braces in cpci_configure_slot()
PCI/AER: Avoid info leak in __print_tlp_header()
PCI: spear: Drop __initdata from spear13xx_pcie_driver
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Pull drm fixes from Dave Airlie:
"Final drm fixes: one core locking imbalance regression, and a bunch of
i915 baytrail s/r fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm: fix drm_mode_getconnector() locking imbalance regression
drm/i915/vlv: remove wait for previous GFX clk disable request
drm/i915/chv: Remove Wait for a previous gfx force-off
drm/i915/vlv: save/restore the power context base reg
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git://anongit.freedesktop.org/drm-intel into drm-fixes
three commits, all cc: stable, to address Baytrail
suspend/resume issues.
* tag 'drm-intel-fixes-2015-04-08' of git://anongit.freedesktop.org/drm-intel:
drm/i915/vlv: remove wait for previous GFX clk disable request
drm/i915/chv: Remove Wait for a previous gfx force-off
drm/i915/vlv: save/restore the power context base reg
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SCSI transport drivers and SCSI LLDs block a SCSI device if the
transport layer is not operational. This means that in this state
no requests should be processed, even if the REQ_PREEMPT flag has
been set. This patch avoids that a rescan shortly after a cable
pull sporadically triggers the following kernel oops:
BUG: unable to handle kernel paging request at ffffc9001a6bc084
IP: [<ffffffffa04e08f2>] mlx4_ib_post_send+0xd2/0xb30 [mlx4_ib]
Process rescan-scsi-bus (pid: 9241, threadinfo ffff88053484a000, task ffff880534aae100)
Call Trace:
[<ffffffffa0718135>] srp_post_send+0x65/0x70 [ib_srp]
[<ffffffffa071b9df>] srp_queuecommand+0x1cf/0x3e0 [ib_srp]
[<ffffffffa0001ff1>] scsi_dispatch_cmd+0x101/0x280 [scsi_mod]
[<ffffffffa0009ad1>] scsi_request_fn+0x411/0x4d0 [scsi_mod]
[<ffffffff81223b37>] __blk_run_queue+0x27/0x30
[<ffffffff8122a8d2>] blk_execute_rq_nowait+0x82/0x110
[<ffffffff8122a9c2>] blk_execute_rq+0x62/0xf0
[<ffffffffa000b0e8>] scsi_execute+0xe8/0x190 [scsi_mod]
[<ffffffffa000b2f3>] scsi_execute_req+0xa3/0x130 [scsi_mod]
[<ffffffffa000c1aa>] scsi_probe_lun+0x17a/0x450 [scsi_mod]
[<ffffffffa000ce86>] scsi_probe_and_add_lun+0x156/0x480 [scsi_mod]
[<ffffffffa000dc2f>] __scsi_scan_target+0xdf/0x1f0 [scsi_mod]
[<ffffffffa000dfa3>] scsi_scan_host_selected+0x183/0x1c0 [scsi_mod]
[<ffffffffa000edfb>] scsi_scan+0xdb/0xe0 [scsi_mod]
[<ffffffffa000ee13>] store_scan+0x13/0x20 [scsi_mod]
[<ffffffff811c8d9b>] sysfs_write_file+0xcb/0x160
[<ffffffff811589de>] vfs_write+0xce/0x140
[<ffffffff81158b53>] sys_write+0x53/0xa0
[<ffffffff81464592>] system_call_fastpath+0x16/0x1b
[<00007f611c9d9300>] 0x7f611c9d92ff
Reported-by: Max Gurtuvoy <maxg@mellanox.com>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Kernel panic was happening as iscsi_host_remove() was called on
a host which was not yet added.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Booting a v3.18 or newer Xen domU kernel with PCI devices passed through
results in an oops (this is a 32-bit 3.13.11 dom0 with a 64-bit 4.4.0
hypervisor and 32-bit domU):
BUG: unable to handle kernel paging request at 0030303e
IP: [<c06ed0e6>] acpi_ns_validate_handle+0x12/0x1a
Call Trace:
[<c06eda4d>] ? acpi_evaluate_object+0x31/0x1fc
[<c06b78e1>] ? pci_get_hp_params+0x111/0x4e0
[<c0407bc7>] ? xen_force_evtchn_callback+0x17/0x30
[<c04085fb>] ? xen_restore_fl_direct_reloc+0x4/0x4
[<c0699d34>] ? pci_device_add+0x24/0x450
Don't look for ACPI configuration information if ACPI has been disabled.
I don't think this is the best fix, because we can boot plain Linux (no
Xen) with "acpi=off", and we don't need this check in pci_get_hp_params().
There should be a better fix that would make Xen domU work the same way.
The domU kernel has ACPI support but it has no AML. There should be a way
to initialize the ACPI data structures so things fail gracefully rather
than oopsing. This is an interim fix to address the regression.
Fixes: 6cd33649fa83 ("PCI: Add pci_configure_device() during enumeration")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=96301
Reported-by: Michael D Labriola <mlabriol@gdeb.com>
Tested-by: Michael D Labriola <mlabriol@gdeb.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # v3.18+
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Regression in commit 2caa80e72b57c6216aec6f6a11fcfb4fec46daa0
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun Feb 22 11:38:36 2015 +0100
drm: Fix deadlock due to getconnector locking changes
If the drm_connector_find() call returns NULL, we should no longer
call drm_modeset_unlock() to avoid locking imbalance.
Signed-off-by: Tommi Rantala <tt.rantala@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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"The domainname can be specified as either a DNS host name, a
dotted-decimal IPv4 address, or a bracketed IPv6 address as specified
in [RFC2732]."
See https://bugzilla.redhat.com/show_bug.cgi?id=1206868
Reported-by: Kyle Brantley <kyle@averageurl.com>
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"A series of fixup patches for version 4.0:
- one VB2 core fixup, when stopping the stream;
- one VB2 core fixup for dma-contig memory type;
- driver fixes at rtl28xx, s5p (tv, jpeg, mfc, soc-camera, sh_veu,
cx23885, gspca"
* tag 'media/v3.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] rtl28xxu: return success for unimplemented FE callback
[media] rtl2832: disable regmap register cache
[media] vb2: Fix dma_dir setting for dma-contig mem type
[media] media: s5p-mfc: fix broken pointer cast on 64bit arch
[media] media: s5p-mfc: fix mmap support for 64bit arch
[media] cx23885: fix querycap
[media] sh_veu: v4l2_dev wasn't set
[media] s5p-mfc: Fix NULL pointer dereference caused by not set q->lock
[media] s5p-jpeg: exynos3250: fix erroneous reset procedure
[media] s5p-tv: hdmi needs I2C support
[media] s5p-jpeg: Initialize cb and cr to zero
[media] media: fix gspca drivers build dependencies
[media] soc-camera: Fix devm_kfree() in soc_of_bind()
[media] media: atmel-isi: increase the burst length to improve the performance
[media] vb2: fix 'UNBALANCED' warnings when calling vb2_thread_stop()
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Simple patch to make symbols static. Symbols that are not
shared with other parts of the kernel can be made static.
This change also removes several sparse complains.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Ajit Pal Singh <ajitpal.singh@st.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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of_device_id is always used as const.
(See driver.of_match_table and open firmware functions)
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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Some temperature sensors only get updated every few seconds and while
waiting for the first irq reporting a (new) temperature to happen there
get_temp operand will return -EAGAIN as it does not have any data to report
yet.
Not logging an error in this case avoids messages like these from showing
up in dmesg on affected systems:
[ 1.219353] thermal thermal_zone0: failed to read out thermal zone 0
[ 2.015433] thermal thermal_zone0: failed to read out thermal zone 0
[ 2.416737] thermal thermal_zone0: failed to read out thermal zone 0
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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Looks like it was introduced in:
commit 650ad970a39f8b6164fe8613edc150f585315289
Author: Imre Deak <imre.deak@intel.com>
Date: Fri Apr 18 16:35:02 2014 +0300
drm/i915: vlv: factor out vlv_force_gfx_clock and check for pending force-of
but I'm not sure why. It has caused problems for us in the past (see
85250ddff7a6 "drm/i915/chv: Remove Wait for a previous gfx force-off"
and 8d4eee9cd7a1 "drm/i915: vlv: increase timeout when forcing on the
GFX clock") and doesn't seem to be required, so let's just drop it.
References: https://bugs.freedesktop.org/show_bug.cgi?id=89611
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Darren Hart <dvhart@linux.intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Cc: stable@vger.kernel.org # c9c52e24194a: drm/i915/chv: Remove Wait ...
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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On CHV, PUNIT team confirmed that 'VLV_GFX_CLK_STATUS_BIT' is not a
sticky bit and it will always be set. So ignore Check for previous
Gfx force off during suspend and allow the force clk as part S0ix
Sequence
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Some BIOSes (e.g. the one on the Minnowboard) don't save/restore this
reg. If it's unlocked, we can just restore the previous value, and if
it's locked (in case the BIOS re-programmed it for us) the write will be
ignored and we'll still have "did it move" sanity check in the PM code to
warn us if something is still amiss.
References: https://bugs.freedesktop.org/show_bug.cgi?id=89611
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Darren Hart <dvhart@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Pull networking fixes from David Miller:
1) In TCP, don't register an FRTO for cumulatively ACK'd data that was
previously SACK'd, from Neal Cardwell.
2) Need to hold RNL mutex in ipv4 multicast code namespace cleanup,
from Cong WANG.
3) Similarly we have to hold RNL mutex for fib_rules_unregister(), also
from Cong WANG.
4) Revert and rework netns nsid allocation fix, from Nicolas Dichtel.
5) When we encapsulate for a tunnel device, skb->sk still points to the
user socket. So this leads to cases where we retraverse the
ipv4/ipv6 output path with skb->sk being of some other address
family (f.e. AF_PACKET). This can cause things to crash since the
ipv4 output path is dereferencing an AF_PACKET socket as if it were
an ipv4 one.
The short term fix for 'net' and -stable is to elide these socket
checks once we've entered an encapsulation sequence by testing
xmit_recursion.
Longer term we have a better solution wherein we pass the tunnel's
socket down through the output paths, but that is way too invasive
for 'net' and -stable.
From Hannes Frederic Sowa.
6) l2tp_init() failure path forgets to unregister per-net ops, from
Cong WANG.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
net/mlx4_core: Fix error message deprecation for ConnectX-2 cards
net: dsa: fix filling routing table from OF description
l2tp: unregister l2tp_net_ops on failure path
mvneta: dont call mvneta_adjust_link() manually
ipv6: protect skb->sk accesses from recursive dereference inside the stack
netns: don't allocate an id for dead netns
Revert "netns: don't clear nsid too early on removal"
ip6mr: call del_timer_sync() in ip6mr_free_table()
net: move fib_rules_unregister() under rtnl lock
ipv4: take rtnl_lock and mark mrt table as freed on namespace cleanup
tcp: fix FRTO undo on cumulative ACK of SACKed range
xen-netfront: transmit fully GSO-sized packets
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Commit 1daa4303b4ca ("net/mlx4_core: Deprecate error message at
ConnectX-2 cards startup to debug") did the deprecation only for port 1
of the card. Need to deprecate for port 2 as well.
Fixes: 1daa4303b4ca ("net/mlx4_core: Deprecate error message at ConnectX-2 cards startup to debug")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Updates for the input subsystem - two more tweaks for ALPS driver to
work out kinks after splitting the touchpad, trackstick, and potential
external PS/2 mouse into separate input devices.
Changes to support ALPS SS4 devices (protocol V8) will be coming in
4.1..."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: alps - document stick behavior for protocol V2
Input: alps - report V2 Dualpoint Stick events via the right evdev node
Input: alps - report interleaved bare PS/2 packets via dev3
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mvneta_adjust_link() is a callback for of_phy_connect() and should
not be called directly. The result of calling it directly is as below:
Signed-off-by: David S. Miller <davem@davemloft.net>
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On V2 devices the DualPoint Stick reports bare packets, these should be
reported via the "AlpsPS/2 ALPS DualPoint Stick" dev2 evdev node, which also
has the INPUT_PROP_POINTING_STICK propbit set.
Note that since there is no way to distinguish these packets from an external
PS/2 mouse (insofar as these laptops have an external PS/2 port) this means
that we will be reporting PS/2 mouse events via this evdev node too, as we've
been doing in kernel 3.19 and older.
This has been tested on a Dell Latitude D620 and a Dell Latitude E6400,
which both have a V2 touchpad + a DualPoint Stick which reports bare packets.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Bare packets should be reported via the same evdev device independent on
whether they are detected on the beginning of a packet or in the middle
of a packet.
This has been tested on a Dell Latitude E6400, where the DualPoint Stick
reports bare packets, which get reported via dev3 when the touchpad is
idle, and via dev2 when the touchpad and stick are used simultaneously.
This commit fixes this inconsistency by always reporting bare packets via
dev3. Note that since the come from a DualPoint Stick they really should be
reported via dev2, this gets fixed in a later commit.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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