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2011-11-08MIPS: Kernel hangs occasionally during boot.Al Cooper
The Kernel hangs occasionally during boot after "Calibrating delay loop..". This is caused by the c0_compare_int_usable() routine in cevt-r4k.c returning false which causes the system to disable the timer and hang later. The false return happens because the routine is using a series of four calls to irq_disable_hazard() as a delay while it waits for the timer changes to propagate to the cp0 cause register. On newer MIPS cores, like the 74K, the series of irq_disable_hazard() calls turn into ehb instructions and can take as little as a few clock ticks for all 4 instructions. This is not enough of a delay, so the routine thinks the timer is not working. This fix uses up to a max number of cycle counter ticks for the delay and uses back_to_back_c0_hazard() instead of irq_disable_hazard() to handle the hazard condition between cp0 writes and cp0 reads. Signed-off-by: Al Cooper <alcooperx@gmail.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/2911/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-11-08Fix incorrect usage of NET_IP_ALIGNNico Erfurth
The driver used NET_IP_ALIGN to remove some additional padding inside of the rx_fixup function. On many architectures NET_IP_ALIGN defaults to 2 which removed the correct amount of bytes. On MCORE2-machines commit ea812ca1b06113597adcd8e70c0f84a413d97544 introduces a change which sets NET_IP_ALIGN to 0 by default. Which triggered the bug on these machines. This fix introduces a new RXW_PADDING define and uses this instead of NET_IP_ALIGN. The name was taken from the original SMSC7500 driver which is provided by SMSC. Signed-off-by: Nico Erfurth <ne@erfurth.eu> Tested-by: Phil Sutter <phil@nwl.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-08ipv6: drop packets when source address is multicastBrian Haley
RFC 4291 Section 2.7 says Multicast addresses must not be used as source addresses in IPv6 packets - drop them on input so we don't process the packet further. Signed-off-by: Brian Haley <brian.haley@hp.com> Reported-and-Tested-by: Kumar Sanghvi <divinekumar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-08r8169: increase the delay parameter of pm_schedule_suspendhayeswang
The link down would occur when reseting PHY. And it would take about 2 ~ 5 seconds from link down to link up. If the delay of pm_schedule_suspend is not long enough, the device would enter runtime_suspend before link up. After link up, the device would wake up and reset PHY again. Then, you would find the driver keep in a loop of runtime_suspend and rumtime_resume. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-08ARM: msm: fix compilation flags for MSM_SCMMarc Zyngier
CONFIG_MSM_SCM uses the smc instruction, which with some toolchains requires a ".arch_extension" directive. Cc: David Brown <davidb@codeaurora.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: David Brown <davidb@codeaurora.org>
2011-11-08ALSA: usb-audio - Fix the missing volume quirks at delayed initTakashi Iwai
In the recent usb-audio driver, the initialization of volume ranges may be delayed when the device doesn't respond well at the probing time. But the volume quirks for certain devices are applied only in mixer_ctl_feature_info() thus only at the very first probe and will be missing when the volume range is initialized later. This patch moves the volume quirk code to be always called from the volume-range extraction (get_min_max()), so that the quirks are properly applied in the later init time. Reported-and-tested-by: Alexey Fisher <bug-track@fisher-privat.net> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-11-08xfs: fix force shutdown handling in xfs_end_ioChristoph Hellwig
Ensure ioend->io_error gets propagated back to e.g. AIO completions. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Alex Elder <aelder@sgi.com>
2011-11-08xfs: constify xfs_item_opsChristoph Hellwig
The log item ops aren't nessecarily the biggest exploit vector, but marking them const is easy enough. Also remove the unused xfs_item_ops_t typedef while we're at it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Alex Elder <aelder@sgi.com>
2011-11-08xfs: Fix possible memory corruption in xfs_readlinkCarlos Maiolino
Fixes a possible memory corruption when the link is larger than MAXPATHLEN and XFS_DEBUG is not enabled. This also remove the S_ISLNK assert, since the inode mode is checked previously in xfs_readlink_by_handle() and via VFS. Updated to address concerns raised by Ben Hutchings about the loose attention paid to 32- vs 64-bit values, and the lack of handling a potentially negative pathlen value: - Changed type of "pathlen" to be xfs_fsize_t, to match that of ip->i_d.di_size - Added checking for a negative pathlen to the too-long pathlen test, and generalized the message that gets reported in that case to reflect the change As a result, if a negative pathlen were encountered, this function would return EFSCORRUPTED (and would fail an assertion for a debug build)--just as would a too-long pathlen. Signed-off-by: Alex Elder <aelder@sgi.com> Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2011-11-08iommu: omap: Fix compile failureMing Lei
Fix compile failure in drivers/iommu/omap-iommu-debug.c because of missing module.h include. Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2011-11-08x86/mce: Make mce_chrdev_ops 'static const'Luck, Tony
Arjan would like to make struct file_operations const, but mce-inject directly writes to the mce_chrdev_ops to install its write handler. In an ideal world mce-inject would have its own character device, but we have a sizable legacy of test scripts that hardwire "/dev/mcelog", so it would be painful to switch to a separate device now. Instead, this patch switches to a stub function in the mce code, with a registration helper that mce-inject can call when it is loaded. Note that this would also allow for a sane process to allow mce-inject to be unloaded again (with an unregister function, and appropriate module_{get,put}() calls), but that is left for potential future patches. Reported-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Link: http://lkml.kernel.org/r/4eb2e1971326651a3b@agluck-desktop.sc.intel.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-11-08Bluetooth: Add support for Broadcom BCM20702A0Wen-chien Jesse Sung
Since this device declares itself as vendor specific, must add a new entry to device ID table to support it. usb-device output of this device: T: Bus=01 Lev=02 Prnt=02 Port=03 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 2.00 Cls=ff(vend.) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=413c ProdID=8197 Rev=01.12 S: Manufacturer=Broadcom Corp S: Product=BCM20702A0 S: SerialNumber=D0DF9AA9C9F1 C: #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=01 Driver=(none) I: If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=(none) I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) I: If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none) Signed-off-by: Wen-chien Jesse Sung <jesse.sung@canonical.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-08arm/mxs: fix mmc device adding for mach-mx28evkShawn Guo
The merge commit "526b264 Merge branch 'imx/cleanup' into imx/devel" left a duplicated mx28_add_mxs_mmc() call, which causes the problem below during boot. kobject_add_internal failed for mxs-mmc.1 with -EEXIST, don't try to register things with the same name in the same directory. The patch removes this leftover and also change mmc0 adding to align with mmc1. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2011-11-08MIPS: Octeon: Mark SMP-IPI interrupt as IRQF_NO_THREADVenkat Subbiah
This is to exclude it from force threading to allow RT patch set to work. And while on this line * Remove IRQF_DISABLED as as this flag is NOOP * Add IRQF_PERCPU as this is a per cpu interrupt. Signed-off-by: Venkat Subbiah <venkat.subbiah@cavium.com> Acked-by: David Daney <david.daney@cavium.com> To: linux-mips@linux-mips.org To: linux-rt-users@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/2817/ Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-11-08MIPS: BCM47xx: fix build with GENERIC_GPIO configurationFlorian Fainelli
Since eb9ae7f2 (gpio: fix build error in include/asm-generic/gpio.h) the generic version of gpio.h calls __gpio_{set,get}_value which we do not define. Get rid of asm-generic/gpio.h and define the missing stubs directly for BCM47xx to build. Reported-by: Ralf Baechle <ralf@linux-mips.org> To: linux-mips@linux-mips.org CC: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Florian Fainelli <florian@openwrt.org> Patchwork: https://patchwork.linux-mips.org/patch/2885/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-11-08MIPS: NXP: Remove unused source files.Ralf Baechle
The NXP code was moved for 2.6.36 but two files survived unused in the old location. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-11-08MIPS: Yosemite, Emma: Fix off-by-two in arcs_cmdline buffer size checkThomas Jarosch
Cause is a misplaced bracket. The code strlen(buf+1) will be two bytes less than strlen(buf)+1 The +1 is in this code to reserve space for an additional space character. [ralf@linux-mips.org: Thomas' original patch fixed the issue only for Yosemite but the same bug exists also in Emma.] Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com> Patchwork: https://patchwork.linux-mips.org/patch/2861/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-11-08[media] v4l2-ctrl: Send change events to all fh for auto cluster slave controlsHans de Goede
Otherwise the fh changing the master control won't get the inactive state change event for the slave controls. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-08[media] v4l2-event: Don't set sev->fh to NULL on unsubscribeHans de Goede
Setting sev->fh to NULL causes problems for the del op added in the next patch of this series, since this op needs a way to get to its own data structures, and typically this will be done by using container_of on an embedded v4l2_fh struct. The reason the original code is setting sev->fh to NULL is to signal to users of the event framework that the unsubscription has happened, but since their is no shared lock between the event framework and users of it, this is inherently racy, and it also turns out to be unnecessary as long as both the event framework and the user of the framework do their own locking properly and the user guarantees that it holds no references to the subcribed_event structure after its del operation has been called. This is best explained by looking at the only code currently checking for sev->fh being set to NULL on unsubscribe, which is the v4l2-ctrls.c send_event function. Here is the relevant code from v4l2-ctrls: send_event(): if (sev->fh && (sev->fh != fh || (sev->flags & V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK))) v4l2_event_queue_fh(sev->fh, &ev); Now lets say that v4l2_event_unsubscribe and v4l2-ctrls: send_event() race on the same sev, then the following could happens: 1) send_event checks sev->fh, finds it is not NULL <thread switch> 2) v4l2_event_unsubscribe sets sev->fh NULL 3) v4l2_event_unsubscribe calls v4l2_ctrls del_event function, this blocks as the thread calling send_event holds the ctrl_lock <thread switch> 4) send_event calls v4l2_event_queue_fh(sev->fh, &ev) which not is equivalent to calling: v4l2_event_queue_fh(NULL, &ev) 5) oops, NULL pointer deref. Now again without setting sev->fh to NULL in v4l2_event_unsubscribe and without the (now senseless since always true) sev->fh != NULL check in 1) send_event is about to call v4l2_event_queue_fh(sev->fh, &ev) <thread switch> 2) v4l2_event_unsubscribe removes sev->list from the fh->subscribed list <thread switch> 3) send_event calls v4l2_event_queue_fh(sev->fh, &ev) 4) v4l2_event_queue_fh blocks on the fh_lock spinlock <thread switch> 5) v4l2_event_unsubscribe unlocks the fh_lock spinlock 6) v4l2_event_unsubscribe calls v4l2_ctrls del_event function, this blocks as the thread calling send_event holds the ctrl_lock <thread switch> 8) v4l2_event_queue_fh takes the fh_lock 7) v4l2_event_queue_fh calls v4l2_event_subscribed, does not find it since sev->list has been removed from fh->subscribed already -> does nothing 9) v4l2_event_queue_fh releases the fh_lock 10) the caller of send_event releases the ctrl lock (mutex) <thread switch> 11) v4l2_ctrls del_event takes the ctrl lock 12) v4l2_ctrls del_event removes sev->node from the ev_subs list 13) v4l2_ctrls del_event releases the ctrl lock 14) v4l2_event_unsubscribe frees the sev, to which no references are being held anymore Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-08[media] v4l2-event: Remove pending events from fh event queue when unsubscribingHans de Goede
The kev pointers inside the pending events queue (the available queue) of the fh point to data inside the sev, unsubscribing frees the sev, thus making these pointers point to freed memory! This patch fixes these dangling pointers in the available queue by removing all matching pending events on unsubscription. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-08[media] v4l2-event: Deny subscribing with a type of V4L2_EVENT_ALLHans de Goede
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-08[media] MAINTAINERS: add a maintainer for s5p-mfc driverJeongtae Park
Add a maintainer for s5p-mfc driver. Signed-off-by: Jeongtae Park <jtp.park@samsung.com> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-08[media] v4l: s5p-mfc: fix reported capabilitiesKamil Debski
MFC uses the multi-plane API, but it reported single-plane when querying capabilities. Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-08[media] media: vb2: reset queued list on REQBUFS(0) callMarek Szyprowski
Queued list was not reset on REQBUFS(0) call. This caused to enqueue a freed buffer to the driver. Reported-by: Angela Wan <angela.j.wan@gmail.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-08[media] media: vb2: set buffer length correctly for all buffer typesMarek Szyprowski
v4l2_planes[plane].length field was not initialized for userptr buffers. This patch fixes this issue. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> CC: Pawel Osciak <pawel@osciak.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-08[media] media: vb2: add a check for uninitialized bufferMarek Szyprowski
__buffer_in_use() might be called for empty/uninitialized buffer in the following scenario: REQBUF(n, USER_PTR), QUERYBUF(). This patch fixes kernel ops in such case. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> CC: Pawel Osciak <pawel@osciak.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-08drm/i915: Fix object refcount leak on mmappable size limit error path.Eric Anholt
I've been seeing memory leaks on my system in the form of large (300-400MB) GEM objects created by now-dead processes laying around clogging up memory. I usually notice when it gets to about 1.2GB of them. Hopefully this clears up the issue, but I just found this bug by inspection. Signed-off-by: Eric Anholt <eric@anholt.net> Cc: stable@kernel.org Signed-off-by: Keith Packard <keithp@keithp.com>
2011-11-08agp: iommu_gfx_mapped only available if CONFIG_INTEL_IOMMU is setKeith Packard
Kernels with no iommu support cannot ever need the Ironlake work-around, so never enable it in that case. Might be better to completely remove the work-around from the kernel in this case? Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
2011-11-08drm/i915: fix if statement (bogus semi-colon)Dan Carpenter
The semi-colon is a typo here and it makes the if statement unconditional. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Keith Packard <keithp@keithp.com>
2011-11-08Merge branch 'for-3.2' of ↵Mark Brown
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-3.2
2011-11-08hwspinlock/u8500: fix build error due to undefined labelAxel Lin
Fix below build error: CC drivers/hwspinlock/u8500_hsem.o drivers/hwspinlock/u8500_hsem.c: In function 'u8500_hsem_probe': drivers/hwspinlock/u8500_hsem.c:113: error: label 'free_state' used but not defined Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
2011-11-08hwspinlock: Don't return a value in __hwspin_unlockAxel Lin
Fix below build warning: CC arch/arm/mach-omap2/hwspinlock.o In file included from arch/arm/mach-omap2/hwspinlock.c:22: include/linux/hwspinlock.h: In function '__hwspin_unlock': include/linux/hwspinlock.h:121: warning: 'return' with a value, in function returning void Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
2011-11-08ALSA: hda - Mute unused capture sources for Realtek codecsTakashi Iwai
When a Realtek codec has a matrix-style capture-source selection, we need to scan all connections instead of only imux items. Otherwise some input might be kept unmuted. Although the corresponding input must be dead so there should be no input from it, it's still safer to mute the route completely. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-11-08ALSA: intel8x0: Improve comments for VM optimizationDenis V. Lunev
The recently merged 228cf79376f1 looks a bit hackish while it is not. The change was quite simple. In a virtualized environment the patch unhacks old kludge introduced for old broken AC97 hardware. This patch adds proper comment to "unkludge" code. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Konstantin Ozerkov <kozerkov@parallels.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-11-08md/raid5: STRIPE_ACTIVE has lock semantics, add barriersDan Williams
All updates that occur under STRIPE_ACTIVE should be globally visible when STRIPE_ACTIVE clears. test_and_set_bit() implies a barrier, but clear_bit() does not. This is suitable for 3.1-stable. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: NeilBrown <neilb@suse.de> Cc: stable@kernel.org
2011-11-08md/raid5: abort any pending parity operations when array fails.NeilBrown
When the number of failed devices exceeds the allowed number we must abort any active parity operations (checks or updates) as they are no longer meaningful, and can lead to a BUG_ON in handle_parity_checks6. This bug was introduce by commit 6c0069c0ae9659e3a91b68eaed06a5c6c37f45c8 in 2.6.29. Reported-by: Manish Katiyar <mkatiyar@gmail.com> Tested-by: Manish Katiyar <mkatiyar@gmail.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: NeilBrown <neilb@suse.de> Cc: stable@kernel.org
2011-11-08powerpc/kvm: Fix build failure with HV KVM and CBEAlexander Graf
When running with HV KVM and CBE config options enabled, I get build failures like the following: arch/powerpc/kernel/head_64.o: In function `cbe_system_error_hv': (.text+0x1228): undefined reference to `do_kvm_0x1202' arch/powerpc/kernel/head_64.o: In function `cbe_maintenance_hv': (.text+0x1628): undefined reference to `do_kvm_0x1602' arch/powerpc/kernel/head_64.o: In function `cbe_thermal_hv': (.text+0x1828): undefined reference to `do_kvm_0x1802' This is because we jump to a KVM handler when HV is enabled, but we only generate the handler with PR KVM mode. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-08Merge remote-tracking branch 'agust/next' into mergeBenjamin Herrenschmidt
2011-11-08powerpc/ps3: Fix lv1_gpu_attribute hcallGeoff Levand
The lv1_gpu_attribute hcall takes three, not five input arguments. Adjust the lv1 hcall table and all calls. Signed-off-by: Geoff Levand <geoff@infradead.org> CC: Takashi Iwai <tiwai@suse.de> Acked-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-08powerpc/ps3: Fix PS3 repository build warningsGeoff Levand
Fix uninitialized variable warnings in build of repository.c Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-08powerpc/ps3: irq: Remove IRQF_DISABLEDYong Zhang
Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled], We run all interrupt handlers with interrupts disabled and we even check and yell when an interrupt handler returns with interrupts enabled (see commit [b738a50a: genirq: Warn when handler enables interrupts]). So now this flag is a NOOP and can be removed. Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Acked-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-08powerpc/irq: Remove IRQF_DISABLEDYong Zhang
Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled], We run all interrupt handlers with interrupts disabled and we even check and yell when an interrupt handler returns with interrupts enabled (see commit [b738a50a: genirq: Warn when handler enables interrupts]). So now this flag is a NOOP and can be removed. Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-08powerpc/numa: NUMA topology support for PowerNVDipankar Sarma
This patch adds support for numa topology on powernv platforms running OPAL formware. It checks for the type of platform at run time and sets the affinity form correctly so that NUMA topology can be discovered correctly. Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-08powerpc: Add System RAM to /proc/iomemAnton Blanchard
We've resisted adding System RAM to /proc/iomem because it is the wrong place for it. Unfortunately we continue to find tools that rely on this behaviour so give up and add it in. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-08powerpc: Add KVM as module to defconfigsMichael Neuling
Add HV mode KVM to Book3 server 64bit defconfigs as a module. Doesn't add much to the size: text data bss dec hex filename 8244109 4686767 994000 13924876 d47a0c vmlinux.vanilla 8256092 4691607 994128 13941827 d4bc43 vmlinux.kvm This should enable more testing of this configuration. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-08powerpc/kvm: Fix build with older toolchainsNishanth Aravamudan
Fix KVM build for older toolchains (found with .powerpc64-unknown-linux-gnu-gcc (crosstool-NG-1.8.1) 4.3.2): AS arch/powerpc/kvm/book3s_hv_rmhandlers.o arch/powerpc/kvm/book3s_hv_rmhandlers.S: Assembler messages: arch/powerpc/kvm/book3s_hv_rmhandlers.S:1388: Error: Unrecognized opcode: `popcntw' make[1]: *** [arch/powerpc/kvm/book3s_hv_rmhandlers.o] Error 1 make: *** [_module_arch/powerpc/kvm] Error 2 Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-07drm/i915: Turn on another required clock gating bit on gen6.Eric Anholt
Unlike the previous one, I don't have known testcases it fixes. I'd rather not go through the same debug cycle on whatever testcases those might be. Signed-off-by: Eric Anholt <eric@anholt.net> Cc: stable@kernel.org Signed-off-by: Keith Packard <keithp@keithp.com>
2011-11-07drm/i915: Turn on a required 3D clock gating bit on Sandybridge.Eric Anholt
Fixes rendering failures in Unigine Tropics and Sanctuary and the mesa "fire" demo. Signed-off-by: Eric Anholt <eric@anholt.net> Cc: stable@kernel.org Signed-off-by: Keith Packard <keithp@keithp.com>
2011-11-07mfd: fix build failures in recently added ab5500 codePaul Gortmaker
These files had implicit dependencies on modular support which now show up as build failures with the module cleanup work merged to mainline. Reported-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-11-07hwspinlock/u8500: include linux/module.hAxel Lin
Include module.h to fix below build error: CC drivers/hwspinlock/u8500_hsem.o drivers/hwspinlock/u8500_hsem.c:177: error: 'THIS_MODULE' undeclared here (not in a function) [...] drivers/hwspinlock/u8500_hsem.c:196: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR' drivers/hwspinlock/u8500_hsem.c:196: warning: function declaration isn't a prototype make[2]: *** [drivers/hwspinlock/u8500_hsem.o] Error 1 make[1]: *** [drivers/hwspinlock] Error 2 make: *** [drivers] Error 2 Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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