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The device pointer will not be NULL in the PM callback and ACPI driver's
add/remove callback, so checking NULL for them isn't necessary.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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The _COMPONENT, ACPI_MODULE_NAME(name) and ACPI_FAN_FILE_STATE are not
used anywhere so remove them.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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Introduce int3400 thermal driver. And make INT3400 driver
enumerate the other int340x thermal components shown in _ART/_TRT.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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Add ACPI_TYPE_LOCAL_REFERENCE support to acpi_extract_package(),
so that we can use this helper for more cases like _ART/_TRT.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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The latest linus git tip (3.18-rc1) fails with the following build failure. Fix
this by making PTP support explicit for fm10k driver.
rivers/built-in.o: In function `fm10k_ptp_register':
(.text+0x12e760): undefined reference to `ptp_clock_registER'
drivers/built-in.o: In function `fm10k_ptp_unregister':
(.text+0x12e7dc): undefined reference to `ptp_clock_unregister'
Makefile:930: recipe for target 'vmlinux' failed
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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[linux-devel:devel-hourly-2014100909 3763/3915] drivers/net/ethernet/freescale/fs_enet/mac-scc.c:119:32: error: 'SCCE_ENET_TXF' undeclared
Due to patch d43a396 net: fs_enet: Add NAPI TX, it appears that some target
compilations are broken.
This is due to the fact that unlike the FEC, the SCC and FCC don't have a TXF
event (complete Frame transmitted) but only TXB (buffer transmitted).
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge patch-bomb from Andrew Morton:
- part of OCFS2 (review is laggy again)
- procfs
- slab
- all of MM
- zram, zbud
- various other random things: arch, filesystems.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (164 commits)
nosave: consolidate __nosave_{begin,end} in <asm/sections.h>
include/linux/screen_info.h: remove unused ORIG_* macros
kernel/sys.c: compat sysinfo syscall: fix undefined behavior
kernel/sys.c: whitespace fixes
acct: eliminate compile warning
kernel/async.c: switch to pr_foo()
include/linux/blkdev.h: use NULL instead of zero
include/linux/kernel.h: deduplicate code implementing clamp* macros
include/linux/kernel.h: rewrite min3, max3 and clamp using min and max
alpha: use Kbuild logic to include <asm-generic/sections.h>
frv: remove deprecated IRQF_DISABLED
frv: remove unused cpuinfo_frv and friends to fix future build error
zbud: avoid accessing last unused freelist
zsmalloc: simplify init_zspage free obj linking
mm/zsmalloc.c: correct comment for fullness group computation
zram: use notify_free to account all free notifications
zram: report maximum used memory
zram: zram memory size limitation
zsmalloc: change return value unit of zs_get_total_size_bytes
zsmalloc: move pages_allocated to zs_pool
...
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`notify_free' device attribute accounts the number of slot free
notifications and internally represents the number of zram_free_page()
calls. Slot free notifications are sent only when device is used as a
swap device, hence `notify_free' is used only for swap devices. Since
f4659d8e620d08 (zram: support REQ_DISCARD) ZRAM handles yet another one
free notification (also via zram_free_page() call) -- REQ_DISCARD
requests, which are sent by a filesystem, whenever some data blocks are
discarded. However, there is no way to know the number of notifications
in the latter case.
Use `notify_free' to account the number of pages freed by
zram_bio_discard() and zram_slot_free_notify(). Depending on usage
scenario `notify_free' represents:
a) the number of pages freed because of slot free notifications, which is
equal to the number of swap_slot_free_notify() calls, so there is no
behaviour change
b) the number of pages freed because of REQ_DISCARD notifications
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Jerome Marchand <jmarchan@redhat.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Normally, zram user could get maximum memory usage zram consumed via
polling mem_used_total with sysfs in userspace.
But it has a critical problem because user can miss peak memory usage
during update inverval of polling. For avoiding that, user should poll it
with shorter interval(ie, 0.0000000001s) with mlocking to avoid page fault
delay when memory pressure is heavy. It would be troublesome.
This patch adds new knob "mem_used_max" so user could see the maximum
memory usage easily via reading the knob and reset it via "echo 0 >
/sys/block/zram0/mem_used_max".
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Dan Streetman <ddstreet@ieee.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Jerome Marchand <jmarchan@redhat.com>
Cc: <juno.choi@lge.com>
Cc: <seungho1.park@lge.com>
Cc: Luigi Semenzato <semenzato@google.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Seth Jennings <sjennings@variantweb.net>
Reviewed-by: David Horner <ds2horner@gmail.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since zram has no control feature to limit memory usage, it makes hard to
manage system memrory.
This patch adds new knob "mem_limit" via sysfs to set up the a limit so
that zram could fail allocation once it reaches the limit.
In addition, user could change the limit in runtime so that he could
manage the memory more dynamically.
Initial state is no limit so it doesn't break old behavior.
[akpm@linux-foundation.org: fix typo, per Sergey]
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Jerome Marchand <jmarchan@redhat.com>
Cc: <juno.choi@lge.com>
Cc: <seungho1.park@lge.com>
Cc: Luigi Semenzato <semenzato@google.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Seth Jennings <sjennings@variantweb.net>
Cc: David Horner <ds2horner@gmail.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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zs_get_total_size_bytes returns a amount of memory zsmalloc consumed with
*byte unit* but zsmalloc operates *page unit* rather than byte unit so
let's change the API so benefit we could get is that reduce unnecessary
overhead (ie, change page unit with byte unit) in zsmalloc.
Since return type is pages, "zs_get_total_pages" is better than
"zs_get_total_size_bytes".
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Dan Streetman <ddstreet@ieee.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Jerome Marchand <jmarchan@redhat.com>
Cc: <juno.choi@lge.com>
Cc: <seungho1.park@lge.com>
Cc: Luigi Semenzato <semenzato@google.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Seth Jennings <sjennings@variantweb.net>
Cc: David Horner <ds2horner@gmail.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It isn't obvious that CMA can be disabled on the kernel's command line, so
document it.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Chuck Ebbert <cebbert.lkml@gmail.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Always mark pages with PageBalloon even if balloon compaction is disabled
and expose this mark in /proc/kpageflags as KPF_BALLOON.
Also this patch adds three counters into /proc/vmstat: "balloon_inflate",
"balloon_deflate" and "balloon_migrate". They accumulate balloon
activity. Current size of balloon is (balloon_inflate - balloon_deflate)
pages.
All generic balloon code now gathered under option CONFIG_MEMORY_BALLOON.
It should be selected by ballooning driver which wants use this feature.
Currently virtio-balloon is the only user.
Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Cc: Rafael Aquini <aquini@redhat.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Now ballooned pages are detected using PageBalloon(). Fake mapping is no
longer required. This patch links ballooned pages to balloon device using
field page->private instead of page->mapping. Also this patch embeds
balloon_dev_info directly into struct virtio_balloon.
Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Cc: Rafael Aquini <aquini@redhat.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Sasha Levin reported KASAN splash inside isolate_migratepages_range().
Problem is in the function __is_movable_balloon_page() which tests
AS_BALLOON_MAP in page->mapping->flags. This function has no protection
against anonymous pages. As result it tried to check address space flags
inside struct anon_vma.
Further investigation shows more problems in current implementation:
* Special branch in __unmap_and_move() never works:
balloon_page_movable() checks page flags and page_count. In
__unmap_and_move() page is locked, reference counter is elevated, thus
balloon_page_movable() always fails. As a result execution goes to the
normal migration path. virtballoon_migratepage() returns
MIGRATEPAGE_BALLOON_SUCCESS instead of MIGRATEPAGE_SUCCESS,
move_to_new_page() thinks this is an error code and assigns
newpage->mapping to NULL. Newly migrated page lose connectivity with
balloon an all ability for further migration.
* lru_lock erroneously required in isolate_migratepages_range() for
isolation ballooned page. This function releases lru_lock periodically,
this makes migration mostly impossible for some pages.
* balloon_page_dequeue have a tight race with balloon_page_isolate:
balloon_page_isolate could be executed in parallel with dequeue between
picking page from list and locking page_lock. Race is rare because they
use trylock_page() for locking.
This patch fixes all of them.
Instead of fake mapping with special flag this patch uses special state of
page->_mapcount: PAGE_BALLOON_MAPCOUNT_VALUE = -256. Buddy allocator uses
PAGE_BUDDY_MAPCOUNT_VALUE = -128 for similar purpose. Storing mark
directly in struct page makes everything safer and easier.
PagePrivate is used to mark pages present in page list (i.e. not
isolated, like PageLRU for normal pages). It replaces special rules for
reference counter and makes balloon migration similar to migration of
normal pages. This flag is protected by page_lock together with link to
the balloon device.
Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Link: http://lkml.kernel.org/p/53E6CEAA.9020105@oracle.com
Cc: Rafael Aquini <aquini@redhat.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: <stable@vger.kernel.org> [3.8+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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By the following commits, we prevented from allocating firmware_map_entry
of same memory range:
f0093ede: drivers/firmware/memmap.c: don't allocate firmware_map_entry
of same memory range
49c8b24d: drivers/firmware/memmap.c: pass the correct argument to
firmware_map_find_entry_bootmem()
But it's not enough. When PNP0C80 device is added by acpi_scan_init(),
memmap sysfses of same firmware_map_entry are created twice as follows:
# cat /sys/firmware/memmap/*/start
0x40000000000
0x60000000000
0x4a837000
0x4a83a000
0x4a8b5000
...
0x40000000000
0x60000000000
...
The flows of the issues are as follows:
1. e820_reserve_resources() allocates firmware_map_entrys of all
memory ranges defined in e820. And, these firmware_map_entrys
are linked with map_entries list.
map_entries -> entry 1 -> ... -> entry N
2. When PNP0C80 device is limited by mem= boot option, acpi_scan_init()
added the memory device. In this case, firmware_map_add_hotplug()
allocates firmware_map_entry and creates memmap sysfs.
map_entries -> entry 1 -> ... -> entry N -> entry N+1
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memmap 1
3. firmware_memmap_init() creates memmap sysfses of firmware_map_entrys
linked with map_entries.
map_entries -> entry 1 -> ... -> entry N -> entry N+1
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memmap 2 memmap N+1 memmap 1
memmap N+2
So while hot removing the PNP0C80 device, kernel panic occurs as follows:
BUG: unable to handle kernel paging request at 00000001003e000b
IP: sysfs_open_file+0x46/0x2b0
PGD 203a89fe067 PUD 0
Oops: 0000 [#1] SMP
...
Call Trace:
do_dentry_open+0x1ef/0x2a0
finish_open+0x31/0x40
do_last+0x57c/0x1220
path_openat+0xc2/0x4c0
do_filp_open+0x4b/0xb0
do_sys_open+0xf3/0x1f0
SyS_open+0x1e/0x20
system_call_fastpath+0x16/0x1b
The patch adds a check of confirming whether memmap sysfs of
firmware_map_entry has been created, and does not create memmap
sysfs of same firmware_map_entry.
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The deprecation warnings for the scan_unevictable interface triggers by
scripts doing `sysctl -a | grep something else'. This is annoying and not
helpful.
The interface has been defunct since 264e56d8247e ("mm: disable user
interface to manually rescue unevictable pages"), which was in 2011, and
there haven't been any reports of usecases for it, only reports that the
deprecation warnings are annying. It's unlikely that anybody is using
this interface specifically at this point, so remove it.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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For architectures without coherent DMA, memory for DMA may need to be
remapped with coherent attributes. Factor out the the remapping code from
arm and put it in a common location to reduce code duplication.
As part of this, the arm APIs are now migrated away from
ioremap_page_range to the common APIs which use map_vm_area for remapping.
This should be an equivalent change and using map_vm_area is more correct
as ioremap_page_range is intended to bring in io addresses into the cpu
space and not regular kernel managed memory.
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Riley <davidriley@chromium.org>
Cc: Olof Johansson <olof@lixom.net>
Cc: Ritesh Harjain <ritesh.harjani@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Laura Abbott <lauraa@codeaurora.org>
Cc: Mitchel Humpherys <mitchelh@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently memory-hotplug has two limits:
1. If the memory block is in ZONE_NORMAL, you can change it to
ZONE_MOVABLE, but this memory block must be adjacent to ZONE_MOVABLE.
2. If the memory block is in ZONE_MOVABLE, you can change it to
ZONE_NORMAL, but this memory block must be adjacent to ZONE_NORMAL.
With this patch, we can easy to know a memory block can be onlined to
which zone, and don't need to know the above two limits.
Updated the related Documentation.
[akpm@linux-foundation.org: use conventional comment layout]
[akpm@linux-foundation.org: fix build with CONFIG_MEMORY_HOTREMOVE=n]
[akpm@linux-foundation.org: remove unused local zone_prev]
Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Wang Nan <wangnan0@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use the mutex to avoid the settings are interrupted by other ones.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add usb_autopm_xxx for rtl8152_get_settings() ,and remove
usb_autopm_xxx from read_mii_word() and write_mii_word().
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Resume the device before setting the feature.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Call t4_wait_dev_ready() before attempting to read the PL_WHOAMI register
(to determine which function we have been attached to). This prevents us from
failing on that read if it comes right after a RESET.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add 40G support for cxgb4vf driver. ethtool speed values are just numbers of
megabits and there is no SPEED_40000 in ethtool speed values. To be consistent,
use integer constants directly for all speeds.
Use is_x_10g_port()("is 10Gb/s or higher") in cfg_queues() instead of
is_10g_port() ("is exactly 10Gb/s"). Else we will end up using a single
"Queue Set" on 40Gb/s adapters.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the lso length for T5 adapter and fix PIDX_T5 macro
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for the ar1021 i2c based touchscreen.
The driver is quite simple and only supports the Touch
Reporting Protocol.
This is the final version for an RFC patch send a while ago.
http://www.spinics.net/lists/linux-input/msg29419.html
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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To enable the cros_ec_keyb driver to be auto-loaded when build as
module add an of match table (and export it) to match the modalias
information passed on to userspace as the Cros EC MFD driver registers
the MFD subdevices with an of_compatibility string.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fix the format string for serio device name generation to avoid negative
device numbers when the id exceeds the maximum signed integer value.
Signed-off-by: Richard Leitner <richard.leitner@skidata.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fix the format string for input device name generation to avoid negative
device numbers when the id exceeds the maximum signed integer value.
Signed-off-by: Richard Leitner <richard.leitner@skidata.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"Features-wise, to me the most important this time is a rework of
wakeup interrupts handling in the core that makes them work
consistently across all of the available sleep states, including
suspend-to-idle. Many thanks to Thomas Gleixner for his help with
this work.
Second is an update of the generic PM domains code that has been in
need of some care for quite a while. Unused code is being removed, DT
support is being added and domains are now going to be attached to
devices in bus type code in analogy with the ACPI PM domain. The
majority of work here was done by Ulf Hansson who also has been the
most active developer this time.
Apart from this we have a traditional ACPICA update, this time to
upstream version 20140828 and a few ACPI wakeup interrupts handling
patches on top of the general rework mentioned above. There also are
several cpufreq commits including renaming the cpufreq-cpu0 driver to
cpufreq-dt, as this is what implements generic DT-based cpufreq
support, and a new DT-based idle states infrastructure for cpuidle.
In addition to that, the ACPI LPSS driver is updated, ACPI support for
Apple machines is improved, a few bugs are fixed and a few cleanups
are made all over.
Finally, the Adaptive Voltage Scaling (AVS) subsystem now has a tree
maintained by Kevin Hilman that will be merged through the PM tree.
Numbers-wise, the generic PM domains update takes the lead this time
with 32 non-merge commits, second is cpufreq (15 commits) and the 3rd
place goes to the wakeup interrupts handling rework (13 commits).
Specifics:
- Rework the handling of wakeup IRQs by the IRQ core such that all of
them will be switched over to "wakeup" mode in suspend_device_irqs()
and in that mode the first interrupt will abort system suspend in
progress or wake up the system if already in suspend-to-idle (or
equivalent) without executing any interrupt handlers. Among other
things that eliminates the wakeup-related motivation to use the
IRQF_NO_SUSPEND interrupt flag with interrupts which don't really
need it and should not use it (Thomas Gleixner and Rafael Wysocki)
- Switch over ACPI to handling wakeup interrupts with the help of the
new mechanism introduced by the above IRQ core rework (Rafael Wysocki)
- Rework the core generic PM domains code to eliminate code that's
not used, add DT support and add a generic mechanism by which
devices can be added to PM domains automatically during enumeration
(Ulf Hansson, Geert Uytterhoeven and Tomasz Figa).
- Add debugfs-based mechanics for debugging generic PM domains
(Maciej Matraszek).
- ACPICA update to upstream version 20140828. Included are updates
related to the SRAT and GTDT tables and the _PSx methods are in the
METHOD_NAME list now (Bob Moore and Hanjun Guo).
- Add _OSI("Darwin") support to the ACPI core (unfortunately, that
can't really be done in a straightforward way) to prevent
Thunderbolt from being turned off on Apple systems after boot (or
after resume from system suspend) and rework the ACPI Smart Battery
Subsystem (SBS) driver to work correctly with Apple platforms
(Matthew Garrett and Andreas Noever).
- ACPI LPSS (Low-Power Subsystem) driver update cleaning up the code,
adding support for 133MHz I2C source clock on Intel Baytrail to it
and making it avoid using UART RTS override with Auto Flow Control
(Heikki Krogerus).
- ACPI backlight updates removing the video_set_use_native_backlight
quirk which is not necessary any more, making the code check the
list of output devices returned by the _DOD method to avoid
creating acpi_video interfaces that won't work and adding a quirk
for Lenovo Ideapad Z570 (Hans de Goede, Aaron Lu and Stepan Bujnak)
- New Win8 ACPI OSI quirks for some Dell laptops (Edward Lin)
- Assorted ACPI code cleanups (Fabian Frederick, Rasmus Villemoes,
Sudip Mukherjee, Yijing Wang, and Zhang Rui)
- cpufreq core updates and cleanups (Viresh Kumar, Preeti U Murthy,
Rasmus Villemoes)
- cpufreq driver updates: cpufreq-cpu0/cpufreq-dt (driver name change
among other things), ppc-corenet, powernv (Viresh Kumar, Preeti U
Murthy, Shilpasri G Bhat, Lucas Stach)
- cpuidle support for DT-based idle states infrastructure, new ARM64
cpuidle driver, cpuidle core cleanups (Lorenzo Pieralisi, Rasmus
Villemoes)
- ARM big.LITTLE cpuidle driver updates: support for DT-based
initialization and Exynos5800 compatible string (Lorenzo Pieralisi,
Kevin Hilman)
- Rework of the test_suspend kernel command line argument and a new
trace event for console resume (Srinivas Pandruvada, Todd E Brandt)
- Second attempt to optimize swsusp_free() (hibernation core) to make
it avoid going through all PFNs which may be way too slow on some
systems (Joerg Roedel)
- devfreq updates (Paul Bolle, Punit Agrawal, Ãrjan Eide).
- rockchip-io Adaptive Voltage Scaling (AVS) driver and AVS entry
update in MAINTAINERS (Heiko Stübner, Kevin Hilman)
- PM core fix related to clock management (Geert Uytterhoeven)
- PM core's sysfs code cleanup (Johannes Berg)"
* tag 'pm+acpi-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (105 commits)
ACPI / fan: printk replacement
PM / clk: Fix crash in clocks management code if !CONFIG_PM_RUNTIME
PM / Domains: Rename cpu_data to cpuidle_data
cpufreq: cpufreq-dt: fix potential double put of cpu OF node
cpufreq: cpu0: rename driver and internals to 'cpufreq_dt'
PM / hibernate: Iterate over set bits instead of PFNs in swsusp_free()
cpufreq: ppc-corenet: remove duplicate update of cpu_data
ACPI / sleep: Rework the handling of ACPI GPE wakeup from suspend-to-idle
PM / sleep: Rename platform suspend/resume functions in suspend.c
PM / sleep: Export dpm_suspend_late/noirq() and dpm_resume_early/noirq()
ACPICA: Introduce acpi_enable_all_wakeup_gpes()
ACPICA: Clear all non-wakeup GPEs in acpi_hw_enable_wakeup_gpe_block()
ACPI / video: check _DOD list when creating backlight devices
PM / Domains: Move dev_pm_domain_attach|detach() to pm_domain.h
cpufreq: Replace strnicmp with strncasecmp
cpufreq: powernv: Set the cpus to nominal frequency during reboot/kexec
cpufreq: powernv: Set the pstate of the last hotplugged out cpu in policy->cpus to minimum
cpufreq: Allow stop CPU callback to be used by all cpufreq drivers
PM / devfreq: exynos: Enable building exynos PPMU as module
PM / devfreq: Export helper functions for drivers
...
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We should disable lradc->clk in the case of errors in the probe function.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: <Stable@vger.kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"The interesting things here are:
- Turn on Config Request Retry Status Software Visibility. This
caused hangs last time, but we included a fix this time.
- Rework PCI device configuration to use _HPP/_HPX more aggressively
- Allow PCI devices to be put into D3cold during system suspend
- Add arm64 PCI support
- Add APM X-Gene host bridge driver
- Add TI Keystone host bridge driver
- Add Xilinx AXI host bridge driver
More detailed summary:
Enumeration
- Check Vendor ID only for Config Request Retry Status (Rajat Jain)
- Enable Config Request Retry Status when supported (Rajat Jain)
- Add generic domain handling (Catalin Marinas)
- Generate uppercase hex for modalias interface class (Ricardo Ribalda Delgado)
Resource management
- Add missing MEM_64 mask in pci_assign_unassigned_bridge_resources() (Yinghai Lu)
- Increase IBM ipr SAS Crocodile BARs to at least system page size (Douglas Lehr)
PCI device hotplug
- Prevent NULL dereference during pciehp probe (Andreas Noever)
- Move _HPP & _HPX handling into core (Bjorn Helgaas)
- Apply _HPP to PCIe devices as well as PCI (Bjorn Helgaas)
- Apply _HPP/_HPX to display devices (Bjorn Helgaas)
- Preserve SERR & PARITY settings when applying _HPP/_HPX (Bjorn Helgaas)
- Preserve MPS and MRRS settings when applying _HPP/_HPX (Bjorn Helgaas)
- Apply _HPP/_HPX to all devices, not just hot-added ones (Bjorn Helgaas)
- Fix wait time in pciehp timeout message (Yinghai Lu)
- Add more pciehp Slot Control debug output (Yinghai Lu)
- Stop disabling pciehp notifications during init (Yinghai Lu)
MSI
- Remove arch_msi_check_device() (Alexander Gordeev)
- Rename pci_msi_check_device() to pci_msi_supported() (Alexander Gordeev)
- Move D0 check into pci_msi_check_device() (Alexander Gordeev)
- Remove unused kobject from struct msi_desc (Yijing Wang)
- Remove "pos" from the struct msi_desc msi_attrib (Yijing Wang)
- Add "msi_bus" sysfs MSI/MSI-X control for endpoints (Yijing Wang)
- Use __get_cached_msi_msg() instead of get_cached_msi_msg() (Yijing Wang)
- Use __read_msi_msg() instead of read_msi_msg() (Yijing Wang)
- Use __write_msi_msg() instead of write_msi_msg() (Yijing Wang)
Power management
- Drop unused runtime PM support code for PCIe ports (Rafael J. Wysocki)
- Allow PCI devices to be put into D3cold during system suspend (Rafael J. Wysocki)
AER
- Add additional AER error strings (Gong Chen)
- Make <linux/aer.h> standalone includable (Thierry Reding)
Virtualization
- Add ACS quirk for Solarflare SFC9120 & SFC9140 (Alex Williamson)
- Add ACS quirk for Intel 10G NICs (Alex Williamson)
- Add ACS quirk for AMD A88X southbridge (Marti Raudsepp)
- Remove unused pci_find_upstream_pcie_bridge(), pci_get_dma_source() (Alex Williamson)
- Add device flag helpers (Ethan Zhao)
- Assume all Mellanox devices have broken INTx masking (Gavin Shan)
Generic host bridge driver
- Fix ioport_map() for !CONFIG_GENERIC_IOMAP (Liviu Dudau)
- Add pci_register_io_range() and pci_pio_to_address() (Liviu Dudau)
- Define PCI_IOBASE as the base of virtual PCI IO space (Liviu Dudau)
- Fix the conversion of IO ranges into IO resources (Liviu Dudau)
- Add pci_get_new_domain_nr() and of_get_pci_domain_nr() (Liviu Dudau)
- Add support for parsing PCI host bridge resources from DT (Liviu Dudau)
- Add pci_remap_iospace() to map bus I/O resources (Liviu Dudau)
- Add arm64 architectural support for PCI (Liviu Dudau)
APM X-Gene
- Add APM X-Gene PCIe driver (Tanmay Inamdar)
- Add arm64 DT APM X-Gene PCIe device tree nodes (Tanmay Inamdar)
Freescale i.MX6
- Probe in module_init(), not fs_initcall() (Lucas Stach)
- Delay enabling reference clock for SS until it stabilizes (Tim Harvey)
Marvell MVEBU
- Fix uninitialized variable in mvebu_get_tgt_attr() (Thomas Petazzoni)
NVIDIA Tegra
- Make sure the PCIe PLL is really reset (Eric Yuen)
- Add error path tegra_msi_teardown_irq() cleanup (Jisheng Zhang)
- Fix extended configuration space mapping (Peter Daifuku)
- Implement resource hierarchy (Thierry Reding)
- Clear CLKREQ# enable on port disable (Thierry Reding)
- Add Tegra124 support (Thierry Reding)
ST Microelectronics SPEAr13xx
- Pass config resource through reg property (Pratyush Anand)
Synopsys DesignWare
- Use NULL instead of false (Fabio Estevam)
- Parse bus-range property from devicetree (Lucas Stach)
- Use pci_create_root_bus() instead of pci_scan_root_bus() (Lucas Stach)
- Remove pci_assign_unassigned_resources() (Lucas Stach)
- Check private_data validity in single place (Lucas Stach)
- Setup and clear exactly one MSI at a time (Lucas Stach)
- Remove open-coded bitmap operations (Lucas Stach)
- Fix configuration base address when using 'reg' (Minghuan Lian)
- Fix IO resource end address calculation (Minghuan Lian)
- Rename get_msi_data() to get_msi_addr() (Minghuan Lian)
- Add get_msi_data() to pcie_host_ops (Minghuan Lian)
- Add support for v3.65 hardware (Murali Karicheri)
- Fold struct pcie_port_info into struct pcie_port (Pratyush Anand)
TI Keystone
- Add TI Keystone PCIe driver (Murali Karicheri)
- Limit MRSS for all downstream devices (Murali Karicheri)
- Assume controller is already in RC mode (Murali Karicheri)
- Set device ID based on SoC to support multiple ports (Murali Karicheri)
Xilinx AXI
- Add Xilinx AXI PCIe driver (Srikanth Thokala)
- Fix xilinx_pcie_assign_msi() return value test (Dan Carpenter)
Miscellaneous
- Clean up whitespace (Quentin Lambert)
- Remove assignments from "if" conditions (Quentin Lambert)
- Move PCI_VENDOR_ID_VMWARE to pci_ids.h (Francesco Ruggeri)
- x86: Mark DMI tables as initialization data (Mathias Krause)
- x86: Move __init annotation to the correct place (Mathias Krause)
- x86: Mark constants of pci_mmcfg_nvidia_mcp55() as __initconst (Mathias Krause)
- x86: Constify pci_mmcfg_probes[] array (Mathias Krause)
- x86: Mark PCI BIOS initialization code as such (Mathias Krause)
- Parenthesize PCI_DEVID and PCI_VPD_LRDT_ID parameters (Megan Kamiya)
- Remove unnecessary variable in pci_add_dynid() (Tobias Klauser)"
* tag 'pci-v3.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (109 commits)
arm64: dts: Add APM X-Gene PCIe device tree nodes
PCI: Add ACS quirk for AMD A88X southbridge devices
PCI: xgene: Add APM X-Gene PCIe driver
PCI: designware: Remove open-coded bitmap operations
PCI/MSI: Remove unnecessary temporary variable
PCI/MSI: Use __write_msi_msg() instead of write_msi_msg()
MSI/powerpc: Use __read_msi_msg() instead of read_msi_msg()
PCI/MSI: Use __get_cached_msi_msg() instead of get_cached_msi_msg()
PCI/MSI: Add "msi_bus" sysfs MSI/MSI-X control for endpoints
PCI/MSI: Remove "pos" from the struct msi_desc msi_attrib
PCI/MSI: Remove unused kobject from struct msi_desc
PCI/MSI: Rename pci_msi_check_device() to pci_msi_supported()
PCI/MSI: Move D0 check into pci_msi_check_device()
PCI/MSI: Remove arch_msi_check_device()
irqchip: armada-370-xp: Remove arch_msi_check_device()
PCI/MSI/PPC: Remove arch_msi_check_device()
arm64: Add architectural support for PCI
PCI: Add pci_remap_iospace() to map bus I/O resources
of/pci: Add support for parsing PCI host bridge resources from DT
of/pci: Add pci_get_new_domain_nr() and of_get_pci_domain_nr()
...
Conflicts:
arch/arm64/boot/dts/apm-storm.dtsi
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO changes from Linus Walleij:
"This is the bulk of GPIO changes for the v3.18 development cycle:
- Increase the default ARCH_NR_GPIO from 256 to 512. This was done
to avoid having a custom <asm/gpio.h> header for the x86
architecture - GPIO is custom and complicated enough as it is
already! We want to move to a radix to store the descriptors going
forward, and finally get rid of this fixed array size altogether.
- Endgame patching of the gpio_remove() semantics initiated by
Abdoulaye Berthe. It is not accepted by the system that the
removal of a GPIO chip fails during eg reboot or shutdown, and
therefore the return value has now painfully been refactored away.
For special cases like GPIO expanders on a hot-pluggable bus like
USB, we may later add some gpiochip_try_remove() call, but for the
cases we have now, return values are moot.
- Some incremental refactoring of the gpiolib core and ACPI GPIO
library for more descriptor usage.
- Refactor the chained IRQ handler set-up method to handle also
threaded, nested interrupts and set up the parent IRQ correctly.
Switch STMPE and TC3589x drivers to use this registration method.
- Add a .irq_not_threaded flag to the struct gpio_chip, so that also
GPIO expanders that block but are still not using threaded IRQ
handlers.
- New drivers for the ARM64 X-Gene SoC GPIO controller.
- The syscon GPIO driver has been improved to handle the "DSP GPIO"
found on the TI Keystone 2 SoC:s.
- ADNP driver switched to use gpiolib irqchip helpers.
- Refactor the DWAPB driver to support being instantiated from and
MFD cell (platform device).
- Incremental feature improvement in the Zynq, MCP23S08, DWAPB, OMAP,
Xilinx and Crystalcove drivers.
- Various minor fixes"
* tag 'gpio-v3.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (52 commits)
gpio: pch: Build context save/restore only for PM
pinctrl: abx500: get rid of unused variable
gpio: ks8695: fix 'else should follow close brace '}''
gpio: stmpe: add verbose debug code
gpio: stmpe: fix up interrupt enable logic
gpio: staticize xway_stp_init()
gpio: handle also nested irqchips in the chained handler set-up
gpio: set parent irq on chained handlers
gpiolib: irqchip: use irq_find_mapping while removing irqchip
gpio: crystalcove: support virtual GPIO
pinctrl: bcm281xx: make Kconfig dependency more strict
gpio: kona: enable only on BCM_MOBILE or for compile testing
gpio, bcm-kona, LLVMLinux: Remove use of __initconst
gpio: Fix ngpio in gpio-xilinx driver
gpio: dwapb: fix pointer to integer cast
gpio: xgene: Remove unneeded #ifdef CONFIG_OF guard
gpio: xgene: Remove unneeded forward declation for struct xgene_gpio
gpio: xgene: Fix missing spin_lock_init()
gpio: ks8695: fix switch case indentation
gpiolib: add irq_not_threaded flag to gpio_chip
...
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* patchwork: (544 commits)
[media] ir-hix5hd2: fix build on c6x arch
[media] pt3: fix DTV FE I2C driver load error paths
Revert "[media] media: em28xx - remove reset_resume interface"
[media] exynos4-is: fix some warnings when compiling on arm64
[media] usb drivers: use %zu instead of %zd
[media] pci drivers: use %zu instead of %zd
[media] dvb-frontends: use %zu instead of %zd
[media] s5p-mfc: Fix several printk warnings
[media] s5p_mfc_opr: Fix warnings
[media] ti-vpe: Fix typecast
[media] s3c-camif: fix dma_addr_t printks
[media] s5p_mfc_opr_v6: get rid of warnings when compiled with 64 bits
[media] s5p_mfc_opr_v5: Fix lots of warnings on x86_64
[media] em28xx: Fix identation
[media] drxd: remove a dead code
[media] saa7146: remove return after BUG()
[media] cx88: remove return after BUG()
[media] cx88: fix cards table CodingStyle
[media] radio-sf16fmr2: declare some structs as static
[media] radio-sf16fmi: declare pnp_attached as static
...
Conflicts:
Documentation/DocBook/media/v4l/compat.xml
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While not all archs have readl_relaxed, we need to add a hack at the
driver to allow it to COMPILE_TEST on all archs:
drivers/media/rc/ir-hix5hd2.c: In function ‘hix5hd2_ir_config’:
drivers/media/rc/ir-hix5hd2.c:100:2: error: implicit declaration of function ‘readl_relaxed’ [-Werror=implicit-function-declaration]
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The irq departement delivers:
- a cleanup series to get rid of mindlessly copied code.
- another bunch of new pointlessly different interrupt chip drivers.
Adding homebrewn irq chips (and timers) to SoCs must provide a
value add which is beyond the imagination of mere mortals.
- the usual SoC irq controller updates, IOW my second cat herding
project"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
irqchip: gic-v3: Implement CPU PM notifier
irqchip: gic-v3: Refactor gic_enable_redist to support both enabling and disabling
irqchip: renesas-intc-irqpin: Add minimal runtime PM support
irqchip: renesas-intc-irqpin: Add helper variable dev = &pdev->dev
irqchip: atmel-aic5: Add sama5d4 support
irqchip: atmel-aic5: The sama5d3 has 48 IRQs
Documentation: bcm7120-l2: Add Broadcom BCM7120-style L2 binding
irqchip: bcm7120-l2: Add Broadcom BCM7120-style Level 2 interrupt controller
irqchip: renesas-irqc: Add binding docs for new R-Car Gen2 SoCs
irqchip: renesas-irqc: Add DT binding documentation
irqchip: renesas-intc-irqpin: Document SoC-specific bindings
openrisc: Get rid of handle_IRQ
arm64: Get rid of handle_IRQ
ARM: omap2: irq: Convert to handle_domain_irq
ARM: imx: tzic: Convert to handle_domain_irq
ARM: imx: avic: Convert to handle_domain_irq
irqchip: or1k-pic: Convert to handle_domain_irq
irqchip: atmel-aic5: Convert to handle_domain_irq
irqchip: atmel-aic: Convert to handle_domain_irq
irqchip: gic-v3: Convert to handle_domain_irq
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Nothing really exciting this time:
- a few fixlets in the NOHZ code
- a new ARM SoC timer abomination. One should expect that we have
enough of them already, but they insist on inventing new ones.
- the usual bunch of ARM SoC timer updates. That feels like herding
cats"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: arm_arch_timer: Consolidate arch_timer_evtstrm_enable
clocksource: arm_arch_timer: Enable counter access for 32-bit ARM
clocksource: arm_arch_timer: Change clocksource name if CP15 unavailable
clocksource: sirf: Disable counter before re-setting it
clocksource: cadence_ttc: Add support for 32bit mode
clocksource: tcb_clksrc: Sanitize IRQ request
clocksource: arm_arch_timer: Discard unavailable timers correctly
clocksource: vf_pit_timer: Support shutdown mode
ARM: meson6: clocksource: Add Meson6 timer support
ARM: meson: documentation: Add timer documentation
clocksource: sh_tmu: Document r8a7779 binding
clocksource: sh_mtu2: Document r7s72100 binding
clocksource: sh_cmt: Document SoC specific bindings
timerfd: Remove an always true check
nohz: Avoid tick's double reprogramming in highres mode
nohz: Fix spurious periodic tick behaviour in low-res dynticks mode
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With this patch for kdump the s390 vector registers are stored into the
prepared save areas in the old kernel and into the REGSET_VX_LOW and
REGSET_VX_HIGH ELF notes for /proc/vmcore in the new kernel.
The NT_S390_VXRS_LOW note contains the lower halves of the first 16 vector
registers 0-15. The higher halves are stored in the floating point register
ELF note. The NT_S390_VXRS_HIGH contains the full vector registers 16-31.
The kernel provides a save area for storing vector register in case of
machine checks. A pointer to this save are is stored in the CPU lowcore
at offset 0x11b0. This save area is also used to save the registers for
kdump. In case of a dumped crashed kdump those areas are used to extract
the registers of the production system.
The vector registers for remote CPUs are stored using the "store additional
status at address" SIGP. For the dump CPU the vector registers are stored
with the VSTM instruction.
With this patch also zfcpdump stores the vector registers.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The zcrypt device driver will accept the new crypto adapter
in toleration mode. A new sysfs attribute 'raw_hwtype' will
expose the raw hardware type.
Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
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Move the nohz_delay bit from the s390_idle data structure to the
per-cpu flags. Clear the nohz delay flag in __cpu_disable and
remove the cpu hotplug notifier that used to do this.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add support for Control Unit Initiated Reconfiguration (CUIR) to
Linux, a storage server interface to reconcile concurrent hardware
changes between storage and host.
Reviewed-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Error recovery requests may not be cleaned up correctly so that other
needed erp requests can not be build because of insufficient memory.
This would lead to an infinite loop trying to build erp requests.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Expose more signature setting parameters. We modify the signature API
to allow usage of some new execution parameters relevant to data
integrity feature.
This patch modifies ib_sig_domain structure by:
- Deprecate DIF type in signature API (operation will
be determined by the parameters alone, no DIF type awareness)
- Add APPTAG check bitmask (for input domain)
- Add REFTAG remap (increment) flag for each domain
- Add APPTAG/REFTAG escape options for each domain
The mlx5 driver is modified to follow the new parameters in HW
signature setup.
At the moment the callers (iser/isert) hard-code new parameters (by
DIF type). In the future, callers will retrieve them from the scsi
command structure.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Later there will be more parameters to set, so we want to do it in a
centralized place.
This patch does not change any functionality.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Later there will be more parameters to set, so we want to do it in a
centralized place.
This patch does not change any functionality.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Rather than using the basic BSF layout which utilizes a pre-configured
signature settings (sufficient for current DIF implementation), we use
the extended BSF layout to expose advanced signature settings. These
settings will also be exposed to the user later.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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In the future this will be a per-command parameter so we can lose it,
but in the mean time IP_CSUM is a lot lighter for SW layers to
compute, set it as default.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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