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2009-02-09USB: fsl_qe_udc: Fix oops on QE UDC probe failureAnton Vorontsov
In case of probing errors the driver kfrees the udc_controller, but it doesn't set the pointer to NULL. When usb_gadget_register_driver is called, it checks for udc_controller != NULL, the check passes and the driver accesses nonexistent memory. Fix this by setting udc_controller to NULL in case of errors. While at it, also implement irq_of_parse_and_map()'s failure and cleanup cases. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-09Merge branch 'for-2.6.29' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'for-2.6.29' of git://linux-nfs.org/~bfields/linux: lockd: fix regression in lockd's handling of blocked locks
2009-02-09lockd: fix regression in lockd's handling of blocked locksJ. Bruce Fields
If a client requests a blocking lock, is denied, then requests it again, then here in nlmsvc_lock() we will call vfs_lock_file() without FL_SLEEP set, because we've already queued a block and don't need the locks code to do it again. But that means vfs_lock_file() will return -EAGAIN instead of FILE_LOCK_DENIED. So we still need to translate that -EAGAIN return into a nlm_lck_blocked error in this case, and put ourselves back on lockd's block list. The bug was introduced by bde74e4bc64415b1 "locks: add special return value for asynchronous locks". Thanks to Frank van Maarseveen for the report; his original test case was essentially for i in `seq 30`; do flock /nfsmount/foo sleep 10 & done Tested-by: Frank van Maarseveen <frankvm@frankvm.com> Reported-by: Frank van Maarseveen <frankvm@frankvm.com> Cc: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2009-02-09i915: Fix more size_t format string warningsLinus Torvalds
The DRI people seem to have a hard time getting these right (see also commit aeb565dfc3ac4c8b47c5049085b4c7bfb2c7d5d7). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-09Merge branch 'drm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/i915: select framebuffer support automatically drm/i915: add get_vblank_counter function for GM45 drm/i915: capture last_vblank count at IRQ uninstall time too drm/i915: Unlock mutex on i915_gem_fault() error path drm/i915: Quiet the message on get/setparam ioctl with an unknown value. drm/i915: skip LVDS initialization on Apple Mac Mini drm/i915: sync SDVO code with stable userland modesetting driver drm/i915: Unref the object after failing to set tiling mode. drm/i915: add fence register management to execbuf drm/i915: Return error from i915_gem_object_get_fence_reg() when failing. drm/i915: Set up an MTRR covering the GTT at driver load. drm/i915: Skip SDVO/HDMI init when the chipset tells us it's not present. drm/i915: Suppress GEM teardown on X Server exit in KMS mode. drm/radeon: fix ioremap conflict with AGP mappings i915: fix unneeded locking in i915 LVDS get modes code.
2009-02-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: scatterwalk - Avoid flush_dcache_page on slab pages crypto: shash - Fix tfm destruction crypto: api - Fix zeroing on free crypto: shash - Fix module refcount crypto: api - Fix algorithm test race that broke aead initialisation
2009-02-09FRV: in_interrupt() requires #inclusion of linux/hardirq.h not asm/hardirq.h nowDavid Howells
in_interrupt() requires #inclusion of linux/hardirq.h not asm/hardirq.h now. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-09x86: spinlocks: define dummy __raw_spin_is_contendedKyle McMartin
Architectures other than mips and x86 are not using ticket spinlocks. Therefore, the contention on the lock is meaningless, since there is nobody known to be waiting on it (arguably /fairly/ unfair locks). Dummy it out to return 0 on other architectures. Signed-off-by: Kyle McMartin <kyle@redhat.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-09x86: math_emu info cleanupTejun Heo
Impact: cleanup * Come on, struct info? s/struct info/struct math_emu_info/ * Use struct pt_regs and kernel_vm86_regs instead of defining its own register frame structure. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-09x86: include correct %gs in a.out core dumpTejun Heo
Impact: dump the correct %gs into a.out core dump aout_dump_thread() read %gs but didn't include it in core dump. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-09x86, vmi: put a missing paravirt_release_pmd in pgd_dtorAlok Kataria
Commit 6194ba6ff6ccf8d5c54c857600843c67aa82c407 ("x86: don't special-case pmd allocations as much") made changes to the way we handle pmd allocations, and while doing that it dropped a call to paravirt_release_pd on the pgd page from the pgd_dtor code path. As a result of this missing release, the hypervisor is now unaware of the pgd page being freed, and as a result it ends up tracking this page as a page table page. After this the guest may start using the same page for other purposes, and depending on what use the page is put to, it may result in various performance and/or functional issues ( hangs, reboots). Since this release is only required for VMI, I now release the pgd page from the (vmi)_pgd_free hook. Signed-off-by: Alok N Kataria <akataria@vmware.com> Acked-by: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: <stable@kernel.org>
2009-02-09x86: find nr_irqs_gsi with mp_ioapic_routingYinghai Lu
Impact: find right nr_irqs_gsi on some systems. One test-system has gap between gsi's: [ 0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 4, version 0, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: IOAPIC (id[0x05] address[0xfeafd000] gsi_base[48]) [ 0.000000] IOAPIC[1]: apic_id 5, version 0, address 0xfeafd000, GSI 48-54 [ 0.000000] ACPI: IOAPIC (id[0x06] address[0xfeafc000] gsi_base[56]) [ 0.000000] IOAPIC[2]: apic_id 6, version 0, address 0xfeafc000, GSI 56-62 ... [ 0.000000] nr_irqs_gsi: 38 So nr_irqs_gsi is not right. some irq for MSI will overwrite with io_apic. need to get that with acpi_probe_gsi when acpi io_apic is used Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-09x86: add clflush before monitor for Intel 7400 seriesPallipadi, Venkatesh
For Intel 7400 series CPUs, the recommendation is to use a clflush on the monitored address just before monitor and mwait pair [1]. This clflush makes sure that there are no false wakeups from mwait when the monitored address was recently written to. [1] "MONITOR/MWAIT Recommendations for Intel Xeon Processor 7400 series" section in specification update document of 7400 series http://download.intel.com/design/xeon/specupdt/32033601.pdf Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-09Merge branch 'fix' of ↵Russell King
git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
2009-02-08sparc64: Fix probe_kernel_{read,write}().David S. Miller
This is based upon a report from Chris Torek and his initial patch. From Chris's report: -------------------- This came up in testing kgdb, using the built-in tests -- turn on CONFIG_KGDB_TESTS, then echo V1 > /sys/module/kgdbts/parameters/kgdbts -- but it would affect using kgdb if you were debugging and looking at bad pointers. -------------------- When we get a copy_{from,to}_user() request and the %asi is set to something other than ASI_AIUS (which is userspace) then we branch off to a routine called memcpy_user_stub(). It just does a straight memcpy since we are copying from kernel to kernel in this case. The logic was that since source and destination are both kernel pointers we don't need to have exception checks. But for what probe_kernel_{read,write}() is trying to do, we have to have the checks, otherwise things like kgdb bad kernel pointer accesses don't do the right thing. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-08sparc64: Kill .fixup section bloat.David S. Miller
This is an implementation of a suggestion made by Chris Torek: -------------------- Something else I noticed in passing: the EX and EX_LD/EX_ST macros scattered throughout the various .S files make a fair bit of .fixup code, all of which does the same thing. At the cost of one symbol in copy_in_user.S, you could just have one common two-instruction retl-and-mov-1 fixup that they all share. -------------------- The following is with a defconfig build: text data bss dec hex filename 3972767 344024 584449 4901240 4ac978 vmlinux.orig 3968887 344024 584449 4897360 4aba50 vmlinux Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-09crypto: scatterwalk - Avoid flush_dcache_page on slab pagesHerbert Xu
It's illegal to call flush_dcache_page on slab pages on a number of architectures. So this patch avoids doing so if PageSlab is true. In future we can move the flush_dcache_page call to those page cache users that actually need it. Reported-by: David S. Miller <davem@davemloft.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-02-08netxen: fix msi-x interrupt handlingDhananjay Phadke
o Cut down msi-x vectors from 8 to 1 since only one is used for now. o Use separate handler for msi-x, that doesn't unnecessarily scrub msi status register. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-08de2104x: force correct order when writing to rx ringRisto Suominen
DescOwn should not be set, thus allowing the chip to use the descriptor, before everything else is set up correctly. Signed-off-by: Risto Suominen <Risto.Suominen@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-08tun: Fix unicast filter overflowAlex Williamson
Tap devices can make use of a small MAC filter set via the TUNSETTXFILTER ioctl. The filter has a set of exact matches plus a hash for imperfect filtering of additional multicast addresses. The current code is unbalanced, adding unicast addresses to the multicast hash, but only checking the hash against multicast addresses. This results in the filter dropping unicast addresses that overflow the exact filter. The fix is simply to disable the filter by leaving count set to zero if we find non-multicast addresses after the exact match table is filled. Signed-off-by: Alex Williamson <alex.williamson@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-08drivers/isdn: introduce missing kfreeJulia Lawall
Error handling code following a kmalloc should free the allocated data. The semantic match that finds the problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S; expression E; identifier f,l; position p1,p2; expression *ptr != NULL; @@ ( if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S | x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S ) <... when != x when != if (...) { <+...x...+> } x->f = E ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-08drivers/atm: introduce missing kfreeJulia Lawall
Error handling code following a kmalloc should free the allocated data. The semantic match that finds the problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S; expression E; identifier f,l; position p1,p2; expression *ptr != NULL; @@ ( if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S | x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S ) <... when != x when != if (...) { <+...x...+> } x->f = E ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-08mm: fix error case in mlock downgrade reversionHugh Dickins
Commit 27421e211a39784694b597dbf35848b88363c248, Manually revert "mlock: downgrade mmap sem while populating mlocked regions", has introduced its own regression: __mlock_vma_pages_range() may report an error (for example, -EFAULT from trying to lock down pages from beyond EOF), but mlock_vma_pages_range() must hide that from its callers as before. Reported-by: Sami Farin <safari-kernel@safari.iki.fi> Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-08Linux 2.6.29-rc4Linus Torvalds
2009-02-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-updateLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-update: async: use list_move_tail async: Rename _special -> _domain for clarity. async: Add some documentation. async: Handle kthread_run() return codes. async: Fix running list handling.
2009-02-08radeonfb: Fix resume from D3Cold on some platformsBenjamin Herrenschmidt
For historical reason, this driver used its own saving/restoring of the PCI config space, and used the state of it on resume as an indication as to whether it needed to re-POST the chip or not. This methods breaks with the later core changes since the core will have restored things for us. This patch fixes it by removing that custom code, using standard core methods to save/restore state, and testing for the need to re-POST by comparing the content of a few key PLL registers. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-08aty128fb: Properly save PCI state before changing PCI PM levelBenjamin Herrenschmidt
This fixes aty128fb to properly save the PCI config space -before- it potentially switches the PM state of the chip. This avoids a warning with the new PM core and is the right thing to do anyway. I also replaced the hand-coded switch to D2 with a call to the genericc pci_set_power_state() and removed the code that switches it back to D0 since the generic code is doing that for us nowadays. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-08atyfb: Properly save PCI state before changing PCI PM levelBenjamin Herrenschmidt
This fixes atyfb to properly save the PCI config space -before- it potentially switches the PM state of the chip. This avoids a warning with the new PM core and is the right thing to do anyway. I also slightly cleaned up the code that checks whether we are running on a PowerMac to do a runtime check instead of a compile check only, and replaced a deprecated number with the proper symbolic constant. Finally, I removed the useless switch to D0 from resume since the core does it for us. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-08async: use list_move_tailStefan Richter
list.h provides a dedicated primitive for "list_del followed by list_add_tail"... list_move_tail. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-02-08async: Rename _special -> _domain for clarity.Cornelia Huck
Rename the async_*_special() functions to async_*_domain(), which describes the purpose of these functions much better. [Broke up long lines to silence checkpatch] Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
2009-02-08async: Add some documentation.Cornelia Huck
Add some kerneldoc to the async interface. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
2009-02-08async: Handle kthread_run() return codes.Cornelia Huck
If we fail to create the manager thread, fall back to non-fastboot. If we fail to create an async thread, try again after waiting for a bit. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
2009-02-08async: Fix running list handling.Cornelia Huck
async_schedule() should pass in async_running as the running list, and run_one_entry() should put the entry to be run on the provided running list instead of always on the generic one. Reported-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
2009-02-08drm/i915: select framebuffer support automaticallyIngo Molnar
Migration helper. The i915 driver recently added a 'depends on FB' rule to its Kconfig entry - which silently turns off DRM_I915 if someone has a working config but no CONFIG_FB selected, and upgrades to the latest upstream kernel. Norbert Preining reported this problem: Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12599 Subject : dri /dev node disappeared with 2.6.29-rc1 So change it to "select FB", which auto-selects framebuffer support. This way the driver keeps working, regardless of whether FB was enabled before or not. Kconfig select's of interactive options can be problematic to dependencies and can cause build breakages - but in this case it's safe because it's a leaf entry with no dependencies of its own. ( There is some minor circular dependency fallout as FB_I810 and FB_INTEL also used 'depends on FB' constructs - update those to "select FB" too. ) Reported-by: Norbert Preining <preining@logic.at> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: add get_vblank_counter function for GM45Jesse Barnes
As discussed in the long thread about vblank related timeouts, it turns out GM45 has different frame count registers than previous chips. This patch adds support for them, which prevents us from waiting on really stale sequence values in drm_wait_vblank (which rather than returning immediately ends up timing out or getting interrupted). Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: capture last_vblank count at IRQ uninstall time tooJesse Barnes
In dc1336ff4fe08ae7cfe8301bfd7f0b2cfd31d20a (set vblank enable flag correctly across IRQ uninstall), we made sure drivers that uninstall their interrupt handler set the vblank enabled flag correctly, so that when interrupts are re-enabled, vblank interrupts & counts work as expected. However I missed the last_vblank field: it needs to be updated as well, otherwise, at the next drm_update_vblank_count we'll end up comparing a current count to a stale one (the last one captured by the disable function), which may trigger the wraparound handling, leading to a jumpy counter and hangs in drm_wait_vblank. The jumpy counter can prevent the DRM_WAIT_ON from returning success if the difference between the current count and the requested count is greater than 2^23, leading to timeouts or hangs, if the ioctl is restarted in a loop (as is the case in libdrm < 2.4.4). Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Acked-by: Michel Dänzer <michel@daenzer.net> Tested-by: Timo Aaltonen <tjaalton@cc.hut.fi> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-02-08drm/i915: Unlock mutex on i915_gem_fault() error pathChris Wilson
If we failed to allocate a new fence register we would return VM_FAULT_SIGBUS without relinquishing the lock. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: Quiet the message on get/setparam ioctl with an unknown value.Eric Anholt
Getting an unknown get/setparam used to be more significant back when they didn't change much. However, now that we're in the git world we're using them instead of a monotonic version number to signal feature availability, so clients ask about unknown params on older kernels more often. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: skip LVDS initialization on Apple Mac MiniPaul Collins
The Apple Mac Mini falsely reports LVDS. Use DMI to check whether we are running on a Mac Mini, and skip LVDS initialization if that proves to be the case. Signed-off-by: Paul Collins <paul@ondioline.org> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: sync SDVO code with stable userland modesetting driverJesse Barnes
Pull in an update from the 2D driver (hopefully the last one, future work should be done here and pulled back into xf86-video-intel as needed). Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: Unref the object after failing to set tiling mode.Chris Wilson
Cleanup the object reference on the error paths. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: add fence register management to execbufJesse Barnes
Adds code to set up fence registers at execbuf time on pre-965 chips as necessary. Also fixes up a few bugs in the pre-965 tile register support (get_order != ffs). The number of fences available to the kernel defaults to the hw limit minus 3 (for legacy X front/back/depth), but a new parameter allows userspace to override that as needed. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: Return error from i915_gem_object_get_fence_reg() when failing.Eric Anholt
Previously, the caller would continue along without knowing that the function failed, resulting in potential mis-rendering. Right now vm_fault just returns SIGBUS in that case, and we may need to disable signal handling to avoid that happening. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: Set up an MTRR covering the GTT at driver load.Eric Anholt
We'd love to just be using PAT, but even on chips with PAT it gets disabled sometimes due to an errata. It would probably be better to have pat_enabled exported and only bother with this when !pat_enabled. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: Skip SDVO/HDMI init when the chipset tells us it's not present.Eric Anholt
This saves startup time from probing SDVO, and saves setting up HDMI outputs on G4X devices that don't have them. Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/i915: Suppress GEM teardown on X Server exit in KMS mode.Eric Anholt
Fixes hangs when starting X for the second time. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-02-08drm/radeon: fix ioremap conflict with AGP mappingsDave Airlie
this solves a regression from http://bugzilla.kernel.org/show_bug.cgi?id=12441 Reported-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-02-07Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI PM: make the PM core more careful with drivers using the new PM framework PCI PM: Read power state from device after trying to change it on resume PCI PM: Do not disable and enable bridges during suspend-resume PCI: PCIe portdrv: Simplify suspend and resume PCI PM: Fix saving of device state in pci_legacy_suspend PCI PM: Check if the state has been saved before trying to restore it PCI PM: Fix handling of devices without drivers PCI: return error on failure to read PCI ROMs PCI: properly clean up ASPM link state on device remove
2009-02-07module: remove over-zealous check in __module_get()Rusty Russell
Impact: fix spurious BUG_ON() triggered under load module_refcount() isn't reliable outside stop_machine(), as demonstrated by Karsten Keil <kkeil@suse.de>, networking can trigger it under load (an inc on one cpu and dec on another while module_refcount() is tallying can give false results, for example). Almost noone should be using __module_get, but that's another issue. Cc: Karsten Keil <kkeil@suse.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-07Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (30 commits) ACPI: Kconfig text - Fix the ACPI_CONTAINER module name according to the real module name. eeepc-laptop: fix oops when changing backlight brightness during eeepc-laptop init ACPICA: Fix table entry truncation calculation ACPI: Enable bit 11 in _PDC to advertise hw coord ACPI: struct device - replace bus_id with dev_name(), dev_set_name() ACPI: add missing KERN_* constants to printks ACPI: dock: Don't eval _STA on every show_docked sysfs read ACPI: disable ACPI cleanly when bad RSDP found ACPI: delete CPU_IDLE=n code ACPI: cpufreq: Remove deprecated /proc/acpi/processor/../performance proc entries ACPI: make some IO ports off-limits to AML ACPICA: add debug dump of BIOS _OSI strings ACPI: proc_dir_entry 'video/VGA' already registered ACPI: Skip the first two elements in the _BCL package ACPI: remove BM_RLD access from idle entry path ACPI: remove locking from PM1x_STS register reads eeepc-laptop: use netlink interface eeepc-laptop: Implement rfkill hotplugging in eeepc-laptop eeepc-laptop: Check return values from rfkill_register eeepc-laptop: Add support for extended hotkeys ...
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