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2009-11-05sh: perf events: Add support for SH7750-style counters.Paul Mundt
This adds perf events support for the SH7750/SH7750S/SH7091 performance counters. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-05sh: perf events: Preliminary callchain support.Paul Mundt
This implements preliminary support for perf callchains (at the moment only the kernel side is implemented). The actual implementation itself is just a simple wrapper around the unwinder API, which allows for callchain generation with or without the dwarf unwinder. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-05ALSA: intel8x0: Mute External Amplifier by default for another Sony modelDaniel T Chen
BugLink: https://bugs.launchpad.net/bugs/474972 This Sony model needs External Amplifier muted for audible playback, so make sure we set the inv_eapd quirk. Signed-off-by: Daniel T Chen <crimsun@ubuntu.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-11-05powerpc/kvm: Remove problematic BUILD_BUG_ON statementBenjamin Herrenschmidt
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-05powerpc/pci: Fix regression in powerpc MSI-XAndre Detsch
Patch f598282f5145036312d90875d0ed5c14b49fd8a7 exposed a problem in powerpc MSI-X functionality, making network interfaces such as ixgbe and cxgb3 stop to work when MSI-X is enabled. RX interrupts were not being generated. The problem was caused because MSI irq was not being effectively unmasked after device initialization. Signed-off-by: Andre Detsch <adetsch@br.ibm.com> Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-05powerpc: Avoid giving out RTC dates below EPOCHBenjamin Herrenschmidt
Doing so causes xtime to be negative which crashes the timekeeping code in funny ways when doing suspend/resume Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-05powerpc/mm: Remove debug context clamping from nohash codeBenjamin Herrenschmidt
I inadvertently left that debug code enabled, causing the number of contexts to be clamped to 31 which is going to slow things down on 4xx and just plain breaks 8xx Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-05sh: Default-enable SPU clock for SH7724.Paul Mundt
Wanted by the SPU2 UIO driver, which really ought to be handling this itself. Default enable it for now, until the driver gets a bit more intelligent. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-05sh: sh7724: Add SPU2 supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-05sh: perf events: Fix up uninitialized variable warning.Paul Mundt
'config' can be unintialized, and although it's not really an error, it still manages to trigger the -Werror with certain toolchains. Initialize it early to shut up gcc. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-04rtl8187: Fix kernel oops when device is removed when LEDS enabledLarry Finger
As reported by Rick Farina (sidhayn@gmail.com), removing the RTL8187 USB stick, or unloading the driver rtl8187 using rmmod will cause a kernel oops. There are at least two forms of the failure, (1) BUG: Scheduling while atomic, and (2) a fatal kernel page fault. This problem is reported in Bugzilla #14539. This problem does not occur for kernel 2.6.31, but does for 2.6.32-rc2, thus it is technically a regression; however, bisection did not locate any faulty patch. The fix was found by comparing the faulty code in rtl8187 with p54usb. My interpretation is that the handling of work queues in mac80211 changed enough to the LEDs to be unregistered before tasks on the work queues are cancelled. Previously, these actions could be done in either order. (Herton Ronaldo Krzesinski <herton@mandriva.com.br> reports that the code is the same in 2.6.31, so this may be a candidate for 2.6.31.x. -- JWL) Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Reported-by: Rick Farina <sidhayn@gmail.com> Tested-by: Rick Farina <sidhayn@gmail.com> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-11-05sysfs: Don't leak secdata when a sysfs_dirent is freed.Eric W. Biederman
While refreshing my sysfs patches I noticed a leak in the secdata implementation. We don't free the secdata when we free the sysfs dirent. This is a bug in 2.6.32-rc5 that we really should close. Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
2009-11-04MAINTAINERS: Add git net-next-2.6Joe Perches
Add a reference to the the git tree where most of the forward going network development occurs. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04isdn: hfc_usb: Fix read buffer overflowRoel Kluin
Check whether index is within bounds before testing the element. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Karsten Keil <isdn@linux-pingi.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04isdn: hisax: Fix test in waitforxfwRoel Kluin
The negation makes it a bool before the comparison and hence it will never be 0x40. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Karsten Keil <isdn@linux-pingi.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04isdn: eicon: Return on errorJiri Slaby
When diva_strace_read_uint returns an error, return even from process_idi_event, because l2_state is uninitialized. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Karsten Keil <isdn@linux-pingi.de> Acked-by: Armin Schindler <armin@melware.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04isdn: eicon: Use offsetofJiri Slaby
Use offsetof instead of explicit implementation. * fixes bug with omitted & like: len = (byte)(((T30_INFO *) 0)->station_id + 20) * avoids compiler warnings with wrong sizes (pointer-to-char cast): len = (byte)(&(((T30_INFO *) 0)->universal_6)); * cleans up the code Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Karsten Keil <isdn@linux-pingi.de> Acked-by: Armin Schindler <armin@melware.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04misdn: Fix reversed 'if' in st_own_ctrlDan Carpenter
The current code probably returns -EINVAL a lot. Otherwise it would oops. Compile tested only. Found by smatch (http://repo.or.cz/w/smatch.git). Signed-off-by: Dan Carpenter <error27@gmail.com> Cc: Karsten Keil <isdn@linux-pingi.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04isdn: hisax: Fix lock imbalance.Jiri Slaby
Add omittted unlocks to 2 functions. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Karsten Keil <Karsten-Keil@t-online.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel: drm/i915: Ironlake suspend/resume support drm/i915: kill warning in intel_find_pll_g4x_dp drm/i915: update watermarks before enabling PLLs drm/i915: add FIFO watermark support for G4x drm/i915: quiet DP i2c init drm/i915: fix panel fitting filter coefficient select for Ironlake drm/i915: fix to setup display reference clock control on Ironlake drm/i915: Install a fence register for fbc on g4x drm/i915: save/restore BLC histogram control reg across suspend/resume drm/i915: Fix FDI M/N setting according with correct color depth drm/i915: disable powersave feature for Ironlake currently drm/i915: Fix render reclock availability detection. drm/i915: Save and restore the GM45 FBC regs on suspend and resume. drm/i915: Set the LVDS_BORDER when using LVDS scaling mode drm/i915: disable FBC for Pineview, fixing a boot hang.
2009-11-04KVM: get_tss_base_addr() should return a gpa_tGleb Natapov
If TSS we are switching to resides in high memory task switch will fail since address will be truncated. Windows2k3 does this sometimes when running with more then 4G Cc: stable@kernel.org Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2009-11-04KVM: x86: Catch potential overrun in MCE setupJan Kiszka
We only allocate memory for 32 MCE banks (KVM_MAX_MCE_BANKS) but we allow user space to fill up to 255 on setup (mcg_cap & 0xff), corrupting kernel memory. Catch these overflows. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2009-11-04DaVinci EMAC: correct param for ISRTonyliu
emac_irq is declared as: static irqreturn_t emac_irq(int irq, void *dev_id) { struct net_device *ndev = (struct net_device *)dev_id; struct emac_priv *priv = netdev_priv(ndev); ... Clearly emac_irq() needs "struct net_device *" as "void *dev_id", so correct this. Signed-off-by: Tonyliu <Bo.Liu@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04cdc_ether: additional Ericsson MBM PID's to the whitelistTorgny Johansson
Signed-off-by: Torgny Johansson <torgny.johansson@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-04amd64_edac: fix CECCs reportingBorislav Petkov
Shift error type bits properly. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-11-04amd64_edac: fix a wrong goto clause in amd64_edac.cLi Hong
In amd64_edac_init(void) in amd64_edac.c, cache_k8_northbridges() is called before pci_register_driver. If it fails, should exit with err directly. Signed-off-by: Li Hong <lihong.hi@gmail.com> Acked-by: Doug Thompson <dougthompson@xmission.com> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-11-04x86, fs: Fix x86 procfs stack information for threads on 64-bitStefani Seibold
This patch fixes two issues in the procfs stack information on x86-64 linux. The 32 bit loader compat_do_execve did not store stack start. (this was figured out by Alexey Dobriyan). The stack information on a x64_64 kernel always shows 0 kbyte stack usage, because of a missing implementation of the KSTK_ESP macro which always returned -1. The new implementation now returns the right value. Signed-off-by: Stefani Seibold <stefani@seibold.net> Cc: Americo Wang <xiyou.wangcong@gmail.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <1257240160.4889.24.camel@wall-e> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-11-04ARMv7: Check whether the SMP/nAMP mode was already enabledTony Thompson
If running in non-secure mode, enabling this register will fault. Signed-off-by: Tony Thompson <Anthony.Thompson@arm.com> Acked-by: Srinidhi Kasagar <srinidhikasagar@gmail.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2009-11-04ALSA: hda - Add OLPC XO-1.5 PCI IDDaniel Drake
The XO-1.5 laptop now has a unique subvendor/subproduct ID, which can be used to automatically select the correct CXT5066 configuration. Signed-off-by: Daniel Drake <dsd@laptop.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-11-04fuse: invalidate target of renameMiklos Szeredi
Invalidate the target's attributes, which may have changed (such as nlink, change time) so that they are refreshed on the next getattr(). Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2009-11-04fuse: fix kunmap in fuse_ioctl_copy_userJens Axboe
Looks like another victim of the confusing kmap() vs kmap_atomic() API differences. Reported-by: Todor Gyumyushev <yodor1@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: Tejun Heo <tj@kernel.org> Cc: stable@kernel.org
2009-11-04fuse: prevent fuse_put_request on invalid pointerAnand V. Avati
fuse_direct_io() has a loop where requests are allocated in each iteration. if allocation fails, the loop is broken out and follows into an unconditional fuse_put_request() on that invalid pointer. Signed-off-by: Anand V. Avati <avati@gluster.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: stable@kernel.org
2009-11-04Merge branch 'master' of ↵Paul Mundt
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
2009-11-04video: sh_mobile_lcdcfb: Don't attempt to map zero-length scatterlists.Paul Mundt
More aggressive DMA mapping debugging has uncovered a long-standing buglet in the way that the sh_mobile_lcdcfb driver implements its deferred I/O callback. When used as a console driver the acceleration routines are called by the kernel which subsequently cause the deferred I/O work to be scheduled, resulting in the deferred I/O callback being entered without any dirty pages on the pagelist (the normal case for userspace accesses). It's also possible to get in to this situation via explicit calling of fsync() when nothing has dirtied the region. Unfortunately it's not sufficient to skip over the callback when the pagelist is empty given the console driver use case, so instead the callback has to conditionalize the work for panel updates and DMA mapping depending on whether anything is resident on the pagelist or not. Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-04ALSA: hda - Enable GPIO control for mute LED on HP systemsVitaliy Kulikov
This patch enables GPIO to control mute LED indicator on the HP systems with the special string in BIOS and applies it with the correct polarity on HP B-series systems. It also restores configuration of the pin intended as the second Headphone on HP B-series systems but configured as something else in the BIOS to pass MS DTM. Signed-off-by: Vitaliy Kulikov <Vitaliy.Kulikov@idt.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-11-04ftrace: Fix unmatched locking in ftrace_regex_write()Li Zefan
When a command is passed to the set_ftrace_filter, then the ftrace_regex_lock is still held going back to user space. # echo 'do_open : foo' > set_ftrace_filter (still holding ftrace_regex_lock when returning to user space!) Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> LKML-Reference: <4AEF7F8A.3080300@cn.fujitsu.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2009-11-04ring-buffer: Synchronize resizing buffer with reader lockLai Jiangshan
We got a sudden panic when we reduced the size of the ringbuffer. We can reproduce the panic by the following steps: echo 1 > events/sched/enable cat trace_pipe > /dev/null & while ((1)) do echo 12000 > buffer_size_kb echo 512 > buffer_size_kb done (not more than 5 seconds, panic ...) Reported-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> LKML-Reference: <4AF01735.9060409@cn.fujitsu.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2009-11-04drm/radeon/kms/r700: fix some typos in chip initAlex Deucher
Noticed by Andre on IRC. Also fix up some minor whitespace issues. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-11-04drm/radeon/kms: remove some misleading debugging outputAlex Deucher
Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-11-04sh: Make sure indexes are positiveRoel Kluin
The indexes are signed, make sure they are not negative when we read array elements. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-04sh: Add RWDT save/restore code for sh7724 R-standbyMagnus Damm
Add sh7724 code to save and restore RWDT state during R-standby. Without this patch the watchdog will generate a reset shortly after resuming from R-standby. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-04sh: mach-se: Convert SE7722 FPGA to dynamic IRQ allocation.Paul Mundt
This gets rid of the arbitrary set of vectors used by the SE7722 FPGA interrupt controller and witches over to a completely dynamic set. No assumptions regarding a contiguous range are made, and the platform resources themselves need to be filled in lazily. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-03Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: cfq-iosched: limit coop preemption cfq-iosched: fix bad return value cfq_should_preempt() backing-dev: bdi sb prune should be in the unregister path, not destroy Fix bio_alloc() and bio_kmalloc() documentation bio_put(): add bio_clone() to the list of functions in the comment
2009-11-03Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: sata_via: Remove redundant device ID for VIA VT8261 drivers/ata/libata: Move dereference after NULL test ahci: Enable SB600 64bit DMA on MSI K9A2 Platinum v2
2009-11-04drm/radeon/kms: stop putting VRAM at 0 in MC space on r600s.Dave Airlie
The Lenovo W500 laptop hangs inside an SMI on brightness changes, I thought it just needed the VGA disable but it turned out to require slightly more work, setting the MC locations up just like the IGP chip requirements seems to make it all happy again and I can boot and play with brightness. We should probably just do this for all chips and give up the VRAM at 0x0 idea, it never seems to buy us anything but pain. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-11-04drm/radeon/kms: disable D1VGA and D2VGA if enabledDave Airlie
Once kms is enabled we don't need these, and it causes a problem with the Lenovo W500 ACPI brightness implementation, it hangs in a loop inside an SMI. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-11-04drm/radeon/kms: Don't RMW CP_RB_CNTLAlex Deucher
Immediate readback seems faulty on some chips. I suspect it takes a while to get through the fifo to the actual register backbone. There's no need to read it back, so, just write the driver's copy of the register's value directly. Should fix bug 24535 and possibly 24218 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-11-04drm/radeon/kms: fix coherency issues on AGP cards.Dave Airlie
When we are evicting from VRAM->RAM we allocate the ttm object, but we don't set the caching policy on it before blitting into it. This means on AGP we end up blitting into cached pages, and the CPU later flushes out on top of them. This was mostly seen as font corruption. The other question is why we don't evict VRAM->GTT in a lot of cases, this would save us some cache transitions since a lot of objects that are evicted from VRAM will probably end up being pulled back in a few operations later, and evicting them to system memory involves 2 unnecessary cache transitions. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-11-04m32r: Should index be positive?Roel Kluin
Index `ipi_num' is signed, test whether it is negative to make sure we don't get a negative array element. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2009-11-04m32r: bzip2/lzma kernel compression supportHirokazu Takata
- Support bzip2 and lzma kernel compression for m32r. - Clean up arch/m32r/boot/compressed/misc.c. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
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