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2010-12-15xen: Provide a variant of __RING_SIZE() that is an integer constant expressionJeremy Fitzhardinge3-5/+12
Without this, gcc 4.5 won't compile xen-netfront and xen-blkfront, where this is being used to specify array sizes. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: David Miller <davem@davemloft.net> Cc: Stable Kernel <stable@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-12-15MAINTAINERS: update MSM git treeDaniel Walker1-1/+1
The MSM main git tree has changed over to this new address. Signed-off-by: Daniel Walker <dwalker@codeaurora.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-12-15install_special_mapping skips security_file_mmap check.Tavis Ormandy2-4/+17
The install_special_mapping routine (used, for example, to setup the vdso) skips the security check before insert_vm_struct, allowing a local attacker to bypass the mmap_min_addr security restriction by limiting the available pages for special mappings. bprm_mm_init() also skips the check, and although I don't think this can be used to bypass any restrictions, I don't see any reason not to have the security check. $ uname -m x86_64 $ cat /proc/sys/vm/mmap_min_addr 65536 $ cat install_special_mapping.s section .bss resb BSS_SIZE section .text global _start _start: mov eax, __NR_pause int 0x80 $ nasm -D__NR_pause=29 -DBSS_SIZE=0xfffed000 -f elf -o install_special_mapping.o install_special_mapping.s $ ld -m elf_i386 -Ttext=0x10000 -Tbss=0x11000 -o install_special_mapping install_special_mapping.o $ ./install_special_mapping & [1] 14303 $ cat /proc/14303/maps 0000f000-00010000 r-xp 00000000 00:00 0 [vdso] 00010000-00011000 r-xp 00001000 00:19 2453665 /home/taviso/install_special_mapping 00011000-ffffe000 rwxp 00000000 00:00 0 [stack] It's worth noting that Red Hat are shipping with mmap_min_addr set to 4096. Signed-off-by: Tavis Ormandy <taviso@google.com> Acked-by: Kees Cook <kees@ubuntu.com> Acked-by: Robert Swiecki <swiecki@google.com> [ Changed to not drop the error code - akpm ] Reviewed-by: James Morris <jmorris@namei.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-12-15crypto: ghash-intel - ghash-clmulni-intel_glue needs err.hRandy Dunlap1-0/+1
Add missing header file: arch/x86/crypto/ghash-clmulni-intel_glue.c:256: error: implicit declaration of function 'IS_ERR' arch/x86/crypto/ghash-clmulni-intel_glue.c:257: error: implicit declaration of function 'PTR_ERR' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-12-15dw_spi: Fix missing final read in some polling situationsMajor Lee1-0/+5
There is a possibility that the last word of a transaction will be lost if data is not ready. Re-read in poll_transfer() to solve this issue when poll_mode is enabled. Verified on SPI touch screen device. Signed-off-by: Major Lee <major_lee@wistron.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-12-15i2c_intel_mid: Fix slash in sysfs nameAlan Cox1-1/+1
This gets caught by the new sanity check code. Instead of the slash use a different symbol. This was originally found by Major Lee who proposed a rather more complex patch which changed the name according to the chip type. On the basis that we are in a late -rc and making Linus grumpy isn't always a good idea (however fun) this is a simple alternative. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-12-15ext4: fix typo which broke '..' detection in ext4_find_entry()Aaro Koskinen1-1/+1
There should be a check for the NUL character instead of '0'. Fortunately the only thing that cares about this is NFS serving, which is why we didn't notice this in the merge window testing. Reported-by: Phil Carmody <ext-phil.2.carmody@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2010-12-14ARM: 6535/1: V6 MPCore v6_dma_inv_range and v6_dma_flush_range RWFO fixValentine Barshak1-8/+20
Cache ownership must be acquired by reading/writing data from the cache line to make cache operation have the desired effect on the SMP MPCore CPU. However, the ownership is never acquired in the v6_dma_inv_range function when cleaning the first line and flushing the last one, in case the address is not aligned to D_CACHE_LINE_SIZE boundary. Fix this by reading/writing data if needed, before performing cache operations. While at it, fix v6_dma_flush_range to prevent RWFO outside the buffer. Cc: stable@kernel.org Signed-off-by: Valentine Barshak <vbarshak@mvista.com> Signed-off-by: George G. Davis <gdavis@mvista.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-14ARM: 6534/1: Make CONFIG_FPE_NWFPE depend on !CONFIG_THUMB2_KERNELDave Martin1-1/+1
Because the nwfpe support is unlikely to be used on new platforms and requires CONFIG_OABI_COMPAT, which is not generally used with ARMv7+, we shouldn't expect to build nwfpe support into a Thumb-2 kernel. At present, nwfpe contains assembly code which isn't Thumb-2 compatible, and for now it doesn't appear useful to port this code. All ARMv7-A/R platforms necessarily have VFPv3 hardware floating- point natively, making emulation unnecessary. Signed-off-by: Dave Martin <dave.martin@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-14ARM: 6533/1: Thumb-2: Make CONFIG_THUMB2_KERNEL depend on !CPU_V6Dave Martin1-1/+1
This makes sense, because Thumb-2 code can't execute on plain ARMv6 processors. This will avoid accidentally configuring a broken kernel where the config otherwise would allow multiple architecture versions to coexist in the same kernel. Not adding !CPU_V5 etc., because the chance of anyone trying to put v5 and v7 in the same kernel is low, and I'm not aware of any mach which can do this. These could be added later if it matters. Note that the rules may need to be refined if support for the ARM1156J(F)-S processor is later added to the kernel, since this processor supports the rare ARMv6T2 extensions, which add support for Thumb-2 and a few other ARMv7 features. Signed-off-by: Dave Martin <dave.martin@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-14Change bcmring Maintainer list.Jiandong Zheng1-2/+2
I am Jiandong Zheng working on BCMRING in Broadcom Canada Ltd. I am replacing Leo Chen (leochen@broadcom.com) as "ARM/BCMRING ARM ARCHITECTURE" and "ARM/BCMRING MTD NAND DRIVER" maintainer from Broadcom as he is no longer the maintainer of these components. Signed-off-by: Jiandong Zheng <jdzheng@broadcom.com> Acked-by: Scott Branden <sbranden@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-14ext4: Turn off multiple page-io submission by defaultTheodore Ts'o3-3/+17
Jon Nelson has found a test case which causes postgresql to fail with the error: psql:t.sql:4: ERROR: invalid page header in block 38269 of relation base/16384/16581 Under memory pressure, it looks like part of a file can end up getting replaced by zero's. Until we can figure out the cause, we'll roll back the change and use block_write_full_page() instead of ext4_bio_write_page(). The new, more efficient writing function can be used via the mount option mblk_io_submit, so we can test and fix the new page I/O code. To reproduce the problem, install postgres 8.4 or 9.0, and pin enough memory such that the system just at the end of triggering writeback before running the following sql script: begin; create temporary table foo as select x as a, ARRAY[x] as b FROM generate_series(1, 10000000 ) AS x; create index foo_a_idx on foo (a); create index foo_b_idx on foo USING GIN (b); rollback; If the temporary table is created on a hard drive partition which is encrypted using dm_crypt, then under memory pressure, approximately 30-40% of the time, pgsql will issue the above failure. This patch should fix this problem, and the problem will come back if the file system is mounted with the mblk_io_submit mount option. Reported-by: Jon Nelson <jnelson@jamponi.net> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2010-12-14workqueue: It is likely that WORKER_NOT_RUNNING is trueSteven Rostedt1-2/+2
Running the annotate branch profiler on three boxes, including my main box that runs firefox, evolution, xchat, and is part of the distcc farm, showed this with the likelys in the workqueue code: correct incorrect % Function File Line ------- --------- - -------- ---- ---- 96 996253 99 wq_worker_sleeping workqueue.c 703 96 996247 99 wq_worker_waking_up workqueue.c 677 The likely()s in this case were assuming that WORKER_NOT_RUNNING will most likely be false. But this is not the case. The reason is (and shown by adding trace_printks and testing it) that most of the time WORKER_PREP is set. In worker_thread() we have: worker_clr_flags(worker, WORKER_PREP); [ do work stuff ] worker_set_flags(worker, WORKER_PREP, false); (that 'false' means not to wake up an idle worker) The wq_worker_sleeping() is called from schedule when a worker thread is putting itself to sleep. Which happens most of the time outside of that [ do work stuff ]. The wq_worker_waking_up is called by the wakeup worker code, which is also callod outside that [ do work stuff ]. Thus, the likely and unlikely used by those two functions are actually backwards. Remove the annotation and let gcc figure it out. Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Tejun Heo <tj@kernel.org>
2010-12-14MAINTAINERS: Add workqueue entryTejun Heo1-0/+9
Signed-off-by: Tejun Heo <tj@kernel.org>
2010-12-14fbdev: Fix fb_find_nearest_mode refresh comparisonAndrew Kephart1-0/+1
Refresh rate nearness is not calculated or reset when nearest resolution changes. This patch resets the refresh rate differential measurement whenever a new nearest resolution is discovered. This fixes two error cases; first, wherein the first mode's refresh rate differential is never calculated and second, when the closest refresh rate from a previous nearest resolution is erroneously preserved. Signed-off-by: Andrew Kephart <andrew.kephart@alereon.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-12-14sh: wire up accept4 syscall (non-multiplexed path)Carmelo AMOROSO2-1/+3
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-12-14dmaengine: at_hdmac: fix buffer transfer size specificationNicolas Ferre1-1/+1
Buffer transfer size is the number of transfers to be performed in relation with the width of the _source_ interface. So in the DMA_FROM_DEVICE case, it should be the register width that should be taken into account. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-12-14kgdboc,input: Fix regression with keyboard release key and early debuggingJason Wessel1-1/+2
The commit 111c182340cd22e238ab1cc6564df336c6ebd7cb (kgdboc: reset input devices (keyboards) when exiting debugger) introduced a regression in early debugging such that you get a kernel oops on continue (with the go command) if you boot a kernel with: earlyprintk=vga ekgdboc=kbd kgdbwait The restore kgdboc_restore_input() routine schedules work for the purpose of sending key release events for any keys that were in the depressed state prior to entering the kernel debugger. A simple fix to the crash is to not invoke the schedule_work() if the kernel system_state is anything other than SYSTEM_RUNNING. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Reviewed-by: Sergei Shtylyov <sshtylyov@mvista.com>
2010-12-14ACPI / PM: Do not save/restore NVS on Sony Vaio VGN-NW130DRafael J. Wysocki1-0/+8
The saving of the NVS memory area during suspend and restoring it during resume causes problems to appear on Sony Vaio VGN-NW130D, so blacklist that machine to avoid those problems. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=23002 Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-and-tested-by: Adriano <adriano.vilela@yahoo.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-14Btrfs: prevent RAID level downgrades when space is lowChris Mason1-1/+19
The extent allocator has code that allows us to fill allocations from any available block group, even if it doesn't match the raid level we've requested. This was put in because adding a new drive to a filesystem made with the default mkfs options actually upgrades the metadata from single spindle dup to full RAID1. But, the code also allows us to allocate from a raid0 chunk when we really want a raid1 or raid10 chunk. This can cause big trouble because mkfs creates a small (4MB) raid0 chunk for data and metadata which then goes unused for raid1/raid10 installs. The allocator will happily wander in and allocate from that chunk when things get tight, which is not correct. The fix here is to make sure that we provide duplication when the caller has asked for it. It does all the dups to be any raid level, which preserves the dup->raid1 upgrade abilities. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-12-14Btrfs: account for missing devices in RAID allocation profilesChris Mason3-3/+36
When we mount in RAID degraded mode without adding a new device to replace the failed one, we can end up using the wrong RAID flags for allocations. This results in strange combinations of block groups (raid1 in a raid10 filesystem) and corruptions when we try to allocate blocks from single spindle chunks on drives that are actually missing. The first device has two small 4MB chunks in it that mkfs creates and these are usually unused in a raid1 or raid10 setup. But, in -o degraded, the allocator will fall back to these because the mask of desired raid groups isn't correct. The fix here is to count the missing devices as we build up the list of devices in the system. This count is used when picking the raid level to make sure we continue using the same levels that were in place before we lost a drive. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-12-13fsldma: fix issue of slow dmaForrest Shi2-3/+12
Fixed fsl dma slow issue by initializing dma mode register with bandwidth control. It boosts dma performance and should works with 85xx board. Signed-off-by: Forrest Shi <b29237@freescale.com> Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-12-13Btrfs: EIO when we fail to read tree rootsChris Mason1-1/+4
If we just get a plain IO error when we read tree roots, the code wasn't properly sending that error up the chain. This allowed mounts to continue when they should failed, and allowed operations on partially setup root structs. The end result was usually oopsen on spinlocks that hadn't been spun up correctly. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-12-13hwmon: (ltc4215) make sysfs file match the alarm causeIra W. Snyder1-2/+2
The ltc4215 driver used the chip's "power good" status bit to provide the power1_alarm file. This is wrong: the chip is really reporting the status of one of the monitored voltages. Change the sysfs file from power1_alarm to in2_min_alarm instead. This matches the voltage that the chip is raising an alarm for. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2010-12-13sh: Enable deprecated IRQ chip APIs for MFD and GPIOLIB drivers.Paul Mundt1-1/+2
There are still quite a number of MFD and GPIO expander drivers that are using the old irq_chip APIs that haven't had a chance to update during the .37 cycle, resulting in allyes/modconfig errors on some configurations. Mark Brown has done most of the legwork to get these fixed up in .38, so this should just be a .37 stop-gap that we can drop at the end of the .38 merge window. Reported-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-12-13ARM: Update mach-typesRussell King1-4/+179
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-13ARM: 6528/1: Use CTR for the I-cache line size on ARMv7Catalin Marinas2-10/+27
The current implementation of the v7_coherent_*_range function assumes that the D and I cache lines have the same size, which is incorrect architecturally. This patch adds the icache_line_size macro which reads the CTR register. The main loop in v7_coherent_*_range is split in two independent loops or the D and I caches. This also has the performance advantage that the DSB is moved outside the main loop. Reported-by: Kevin Sapp <ksapp@quicinc.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-13ARM: 6527/1: Use CTR instead of CCSIDR for the D-cache line size on ARMv7Catalin Marinas1-6/+6
The current implementation of the dcache_line_size macro reads the L1 cache size from the CCSIDR register. This, however, is not guaranteed to be the smallest cache line in the cache hierarchy. The patch changes to the macro to use the more architecturally correct CTR register. Reported-by: Kevin Sapp <ksapp@quicinc.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-13pppoe.c: Fix kernel panic caused by __pppoe_xmitAndrej Ota1-1/+1
__pppoe_xmit function return value was invalid resulting in additional call to kfree_skb on already freed skb. This resulted in memory corruption and consequent kernel panic after PPPoE peer terminated the link. This fixes commit 55c95e738da85373965cb03b4f975d0fd559865b. Reported-by: Gorik Van Steenberge <gvs@zemos.net> Reported-by: Daniel Kenzelmann <kernel.bugzilla@kenzelmann.dyndns.info> Reported-by: Denys Fedoryshchenko <nuclearcat@nuclearcat.com> Reported-by: Pawel Staszewski <pstaszewski@artcom.pl> Diagnosed-by: Andrej Ota <andrej@ota.si> Diagnosed-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-by: Denys Fedoryshchenko <nuclearcat@nuclearcat.com> Tested-by: Pawel Staszewski <pstaszewski@artcom.pl> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: Andrej Ota <andrej@ota.si> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13WAN: Fix a TX IRQ causing BUG() in PC300 and PCI200SYN drivers.Krzysztof Halasa1-1/+4
We must not wake the TX queue without free TX descriptors. sca_xmit() expects at least one free descriptor and BUGs otherwise. Problem reported and fix tested by Bernie Innocenti and Ward Vandewege. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13bnx2x: Advance a version number to 1.60.01-0Vladislav Zolotarov1-2/+2
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13bnx2x: Fixed a compilation warningVladislav Zolotarov1-2/+2
bnx2x_src_init_t2() is used only when BCM_CNIC is defined. So, to avoid a compilation warning, we won't define it unless BCM_CNIC is defined. Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13bnx2x: LSO code was broken on BE platformsVladislav Zolotarov1-16/+26
Make the LSO code work on BE platforms: parsing_data field of a parsing BD (PBD) for 57712 was improperly composed which made FW read wrong values for TCP header's length and offset and, as a result, the corresponding PCI device was performing bad DMA reads triggering EEH. Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13qlge: Fix deadlock when cancelling worker.Ron Mercer3-8/+6
Removing usage of rtnl_lock() to protect firmware interface registers. These registers are accessed in some worker threads and can create a deadlock if rtnl_lock is taken by upper layers while the worker is still pending. We remove rtnl_lock and use a driver mutex just while mailboxes are accessed. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-12firewire: ohci: fix regression with Agere FW643 rev 06, disable MSIStefan Richter1-15/+33
Agere FW643 rev 06, listed as "11c1:5901 (rev 06) (prog-if 10 [OHCI])", produced SBP-2 I/O errors since kernel 2.6.36. Disabling MSI fixes it. Since MSI work on Agere FW643-E (same vendor and device ID, but rev 07), introduce a device revision field into firewire-ohci's quirks list so that different quirks can be defined for older and newer revisions. Reported-by: Jonathan Isom <jeisom@gmail.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: <stable@kernel.org> # 2.6.36.y
2010-12-12firewire: ohci: fix regression with VIA VT6315, disable MSIStefan Richter1-1/+2
"VIA Technologies, Inc. VT6315 Series Firewire Controller [1106:3403]" does not generate any interrupts if Message Signaled Interrupts were enabled. This is a regression since kernel 2.6.36 in which MSI support was added to firewire-ohci. Hence blacklist MSI on all VIA controllers. Reported-by: Robin Cook <rcook@wyrms.net> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: <stable@kernel.org> # 2.6.36.y
2010-12-11ACPI/HEST: adjust section selectionJan Beulich1-5/+5
Properly const-, __init-, and __read_mostly-annotate this code. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11ACPI: eliminate unused variable warning for !ACPI_SLEEPJan Beulich1-2/+2
Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11ACPI/PNP: avoid section mismatch warningJan Beulich1-1/+1
Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11ACPI thermal: remove two unused functionsZhang Rui1-9/+0
When CONFIG_CPU_FREQ=n ... drivers/acpi/processor_thermal.c:159:12: warning: ‘acpi_thermal_cpufreq_increase’ defined but not used drivers/acpi/processor_thermal.c:163:12: warning: ‘acpi_thermal_cpufreq_decrease’ defined but not used Remove unused declaration of ‘acpi_thermal_cpufreq_increase’ and ‘acpi_thermal_cpufreq_decrease’ Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11ACPI: fix a section mismatchZhang Rui1-1/+1
WARNING: drivers/acpi/acpi.o(.text+0xeda): Section mismatch in reference from the function acpi_os_initialize1() to the function .init.text:set_osi_linux() The function acpi_os_initialize1() references the function __init set_osi_linux(). Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11ACPI, APEI, use raw spinlock in ERSTHuang Ying1-17/+17
ERST writing may be used in NMI or Machine Check Exception handler. So it need to use raw spinlock instead of normal spinlock. This patch fixes it. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11ACPI: video: fix build for CONFIG_ACPI=nChris Wilson1-1/+4
In file included from drivers/gpu/drm/i915/intel_opregion.c:30: include/acpi/video.h:22: warning: ‘struct acpi_device’ declared inside parameter list ... include/acpi/video.h:24: error: ‘ENODEV’ undeclared (first use in this function) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11ACPI: video: fix build for VIDEO_OUTPUT_CONTROL=nLen Brown1-0/+15
drivers/built-in.o: In function `acpi_video_bus_put_devices': video.c:(.text+0x79663): undefined reference to `video_output_unregister' drivers/built-in.o: In function `acpi_video_bus_add': video.c:(.text+0x7b0b3): undefined reference to `video_output_register' Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11ACPI: fix allowing to add/remove multiple _OSI stringsLin Ming1-16/+50
commit b0ed7a91(ACPICA/ACPI: Add new host interfaces for _OSI suppor) introduced another regression that only one _OSI string can be added or removed. Now multiple _OSI strings can be added or removed, for example acpi_osi=Linux acpi_osi=FreeBSD acpi_osi="!Windows 2006" Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11acpi: fix _OSI string setup regressionLin Ming2-27/+34
commit b0ed7a91(ACPICA/ACPI: Add new host interfaces for _OSI suppor) introduced a regression that _OSI string setup fails. There are 2 paths to setup _OSI string. DMI: acpi_dmi_osi_linux -> set_osi_linux -> acpi_osi_setup -> copy _OSI string to osi_setup_string Boot command line: acpi_osi_setup -> copy _OSI string to osi_setup_string Later, acpi_osi_setup_late will be called to handle osi_setup_string. If _OSI string is "Linux" or "!Linux", then the call path is, acpi_osi_setup_late -> acpi_cmdline_osi_linux -> set_osi_linux -> acpi_osi_setup -> copy _OSI string to osi_setup_string This actually never installs _OSI string(acpi_install_interface not called), but just copy the _OSI string to osi_setup_string. This patch fixes the regression. Reported-and-tested-by: Lukas Hejtmanek <xhejtman@ics.muni.cz> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-11OMAP2: PRCM: fix some SHIFT macros that were actually bitmasksPaul Walmsley1-5/+6
After Charu's GPIO hwmod patches, GPIO initialization on N800 emits the following messages for all GPIO banks: omap_hwmod: gpio1: cannot be enabled (3) This is due to OMAP24XX_ST_GPIOS_SHIFT being defined as a bitmask. Fix this and also fix two other macros that had the same problem. Thanks to Tony Lindgren <tony@atomide.com> for originally reporting this bug. Signed-off-by: Paul Walmsley <paul@pwsan.com Cc: Charulatha Varadarajan <charu@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-12-11net: fix skb_defer_rx_timestamp()Eric Dumazet1-2/+4
After commit c1f19b51d1d8 (net: support time stamping in phy devices.), kernel might crash if CONFIG_NETWORK_PHY_TIMESTAMPING=y and skb_defer_rx_timestamp() handles a packet without an ethernet header. Fixes kernel bugzilla #24102 Reference: https://bugzilla.kernel.org/show_bug.cgi?id=24102 Reported-and-tested-by: Andrew Watts <akwatts@ymail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-11cxgb4vf: Ingress Queue Entry Size needs to be 64 bytesCasey Leedom1-4/+11
Was using L1_CACHE_BYTES for the Ingress Queue Entry Size but it really needs to be 64 bytes in order to support the largest message sizes. Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-11phy: add the IC+ IP1001 driverGiuseppe CAVALLARO2-6/+55
This patch adds the IC+ IP1001 (Gigabit Ethernet Transceiver) driver. I've had to add an additional delay (2ns) to adjust RX clock phase at GMII/ RGMII interface (according to the PHY data-sheet). This helps to have the RGMII working on some ST platforms. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>