- 11 Mar, 2009 3 commits
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Chris Wilson authored
We need to check and report if there are no available fences - or else we spin endlessly waiting for a buffer to magically unpin itself. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net>
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Chris Wilson authored
As we may steal the fence register of an unpinned buffer for another, every time we repin the buffer we need to recheck whether it needs to be allocated a fence. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net>
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Chris Wilson authored
If we wait upon a request and successfully unbind a buffer occupying a fence register, then that slot will be freed and cause a NULL derefrence upon rescanning. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net>
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- 10 Mar, 2009 4 commits
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Eric Anholt authored
Signed-off-by: Eric Anholt <eric@anholt.net>
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Pierre Willenbrock authored
The VGA registers just hit the pipe registers that we already set through MMIO. This fixes strange colors on resume. Signed-off-by: Pierre Willenbrock <pierre@pirsoft.de> Signed-off-by: Eric Anholt <eric@anholt.net>
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Kyle McMartin authored
Prevents formatting nasty as below: [drm:i915_gem_object_pin] *ERROR* Failure to bind: -12<3>[drm:i915_gem_evict_something] *ERROR* inactive empty 1 request empty 1 flushing empty 1 Signed-off-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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Kristian Høgsberg authored
If userspace passes an object list with the same object appearing more than once, we end up hitting the BUG_ON() in i915_gem_object_set_to_gpu_domain() as it gets called a second time for the same object. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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- 09 Mar, 2009 9 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreqLinus Torvalds authored
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] Add p4-clockmod sysfs-ui removal to feature-removal schedule. Revert "[CPUFREQ] Disable sysfs ui for p4-clockmod."
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Oleg Nesterov authored
CLONE_PARENT can fool the ->self_exec_id/parent_exec_id logic. If we re-use the old parent, we must also re-use ->parent_exec_id to make sure exit_notify() sees the right ->xxx_exec_id's when the CLONE_PARENT'ed task exits. Also, move down the "p->parent_exec_id = p->self_exec_id" thing, to place two different cases together. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Roland McGrath <roland@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Howells <dhowells@redhat.com> Cc: Serge E. Hallyn <serge@hallyn.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Dave Jones authored
Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Dave Jones <davej@redhat.com>
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Dave Jones authored
This reverts commit e088e4c9. Removing the sysfs interface for p4-clockmod was flagged as a regression in bug 12826. Course of action: - Find out the remaining causes of overheating, and fix them if possible. ACPI should be doing the right thing automatically. If it isn't, we need to fix that. - mark p4-clockmod ui as deprecated - try again with the removal in six months. It's not really feasible to printk about the deprecation, because it needs to happen at all the sysfs entry points, which means adding a lot of strcmp("p4-clockmod".. calls to the core, which.. bleuch. Signed-off-by: Dave Jones <davej@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (29 commits) p54: fix race condition in memory management cfg80211: test before subtraction on unsigned iwlwifi: fix error flow in iwl*_pci_probe rt2x00 : more devices to rt73usb.c rt2x00 : more devices to rt2500usb.c bonding: Fix device passed into ->ndo_neigh_setup(). vlan: Fix vlan-in-vlan crashes. net: Fix missing dev->neigh_setup in register_netdevice(). tmspci: fix request_irq race pkt_sched: act_police: Fix a rate estimator test. tg3: Fix 5906 link problems SCTP: change sctp_ctl_sock_init() to try IPv4 if IPv6 fails IPv6: add "disable" module parameter support to ipv6.ko sungem: another error printed one too early aoe: error printed 1 too early net pcmcia: worklimit reaches -1 net: more timeouts that reach -1 net: fix tokenring license dm9601: new vendor/product IDs netlink: invert error code in netlink_set_err() ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: lguest: fix for CONFIG_SPARSE_IRQ=y lguest: fix crash 'unhandled trap 13 at <native_read_msr_safe>'
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: fix spinlock assertions on UP systems
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Chris Mason authored
btrfs_tree_locked was being used to make sure a given extent_buffer was properly locked in a few places. But, it wasn't correct for UP compiled kernels. This switches it to using assert_spin_locked instead, and renames it to btrfs_assert_tree_locked to better reflect how it was really being used. Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Heiko Carstens authored
Frans Pop reported the crash below when running an s390 kernel under Hercules: Kernel BUG at 000738b4 verbose debug info unavailable! fixpoint divide exception: 0009 #1! SMP Modules linked in: nfs lockd nfs_acl sunrpc ctcm fsm tape_34xx cu3088 tape ccwgroup tape_class ext3 jbd mbcache dm_mirror dm_log dm_snapshot dm_mod dasd_eckd_mod dasd_mod CPU: 0 Not tainted 2.6.27.19 #13 Process awk (pid: 2069, task: 0f9ed9b8, ksp: 0f4f7d18) Krnl PSW : 070c1000 800738b4 (acct_update_integrals+0x4c/0x118) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:1 PM:0 Krnl GPRS: 00000000 000007d0 7fffffff fffff830 00000000 ffffffff 00000002 0f9ed9b8 00000000 00008ca0 00000000 0f9ed9b8 0f9edda4 8007386e 0f4f7ec8 0f4f7e98 Krnl Code: 800738aa: a71807d0 lhi %r1,2000 800738ae: 8c200001 srdl %r2,1 800738b2: 1d21 dr %r2,%r1 >800738b4: 5810d10e l %r1,270(%r13) 800738b8: 1823 lr %r2,%r3 800738ba: 4130f060 la %r3,96(%r15) 800738be: 0de1 basr %r14,%r1 800738c0: 5800f060 l %r0,96(%r15) Call Trace: ( <000000000004fdea>! blocking_notifier_call_chain+0x1e/0x2c) <0000000000038502>! do_exit+0x106/0x7c0 <0000000000038c36>! do_group_exit+0x7a/0xb4 <0000000000038c8e>! SyS_exit_group+0x1e/0x30 <0000000000021c28>! sysc_do_restart+0x12/0x16 <0000000077e7e924>! 0x77e7e924 Reason for this is that cpu time accounting usually only happens from interrupt context, but acct_update_integrals gets also called from process context with interrupts enabled. So in acct_update_integrals we may end up with the following scenario: Between reading tsk->stime/tsk->utime and tsk->acct_timexpd an interrupt happens which updates accouting values. This causes acct_timexpd to be greater than the former stime + utime. The subsequent calculation of dtime = cputime_sub(time, tsk->acct_timexpd); will be negative and the division performed by cputime_to_jiffies(dtime) will generate an exception since the result won't fit into a 32 bit register. In order to fix this just always disable interrupts while accessing any of the accounting values. Reported by: Frans Pop <elendil@planet.nl> Tested by: Frans Pop <elendil@planet.nl> Cc: stable@kernel.org Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 08 Mar, 2009 20 commits
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Rusty Russell authored
Impact: remove lots of lguest boot WARN_ON() when CONFIG_SPARSE_IRQ=y We now need to call irq_to_desc_alloc_cpu() before set_irq_chip_and_handler_name(), but we can't do that from init_IRQ (no kmalloc available). So do it as we use interrupts instead. Also means we only alloc for irqs we use, which was the intent of CONFIG_SPARSE_IRQ anyway. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@redhat.com>
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Rusty Russell authored
Impact: fix lguest boot crash on modern Intel machines The code in early_init_intel does: if (c->x86 > 6 || (c->x86 == 6 && c->x86_model >= 0xd)) { u64 misc_enable; rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable); And that rdmsr faults (not allowed from non-0 PL). We can get around this by mugging the family ID part of the cpuid. 5 seems like a good number. Of course, this is a hack (how very lguest!). We could just indicate that we don't support MSRs, or implement lguest_rdmst. Reported-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Tested-by: Patrick McHardy <kaber@trash.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmcLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: mmc: fix data timeout for SEND_EXT_CSD
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Linus Torvalds authored
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rcu: increment quiescent state counter in ksoftirqd()
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Linus Torvalds authored
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, pebs: correct qualifier passed to ds_write_config() from ds_request_pebs() x86, bts: remove bad warning x86: add Dell XPS710 reboot quirk x86, math-emu: fix init_fpu for task != current x86: EFI: Back efi_ioremap with init_memory_mapping instead of FIX_MAP x86: fix DMI on EFI
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git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] orion5x_wdt.c: 'ORION5X_TCLK' undeclared [WATCHDOG] gef_wdt.c: fsl_get_sys_freq() failure not noticed [WATCHDOG] ks8695_wdt.c: 'CLOCK_TICK_RATE' undeclared [WATCHDOG] rc32434_wdt: fix sections [WATCHDOG] rc32434_wdt: fix watchdog driver
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix ext4_free_inode() vs. ext4_claim_inode() race
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (28 commits) Blackfin arch: SPI_MMC is now mainlined MMC_SPI Blackfin arch: disable legacy /proc/scsi/ support by default Blackfin arch: remove duplicated ANOMALY_05000448 ifdef check Blackfin arch: add stubs for anomalies 447 and 448 Blackfin arch: cleanup bfin_sport.h header and export it to userspace Blackfin arch: fix bug - gdb signull case make trunk kernel panic frequently Blackfin arch: remove spurious dash when dcache is off Blackfin arch: mark init_pda as __init as only __init funcs all it Blackfin arch: fix bug - On bf548-ezkit, ethernet fails to work after wakeup from "mem" Blackfin arch: Random read/write errors are a bad thing Blackfin arch: update default kernel config, select KSZ8893M driver for BF518 Blackfin arch: Fix bug - KGDB single step into the middle of a 4 bytes instruction on bf561 after soft bp is hit Blackfin arch: Fix bug - make ksz8893m driver available when bfin_mac is enabled Blackfin arch: make sure people do not set the kernel load address too high Blackfin arch: fix bug - The SPORT_HYS bit is not set for BF561 0.5 Blackfin arch: update anomaly sheets to match latest public info Blackfin arch: Fix BUG - kernel fails to build in pm.c when allow wakeup fromi standby by GPIO Blackfin arch: PM_BFIN_WAKE_GP: update help Blackfin arch: fix bug - kgdb fails to continue after setting breakpoint on bf561-ezkit kernel with smp patch Blackfin arch: Enable Write Back Cache on all Blackfin Boards ...
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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_txLinus Torvalds authored
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: dmatest: fix use after free in dmatest_exit ipu_idmac: fix spinlock type iop-adma, mv_xor: fix mem leak on self-test setup failure fsldma: fix off by one in dma_halt I/OAT: fail self-test if callback test reaches timeout I/OAT: update driver version and copyright dates I/OAT: list usage cleanup I/OAT: set tcp_dma_copybreak to 256k for I/OAT ver.3 I/OAT: cancel watchdog before dma remove I/OAT: fail initialization on zero channels detection I/OAT: do not set DCACTRL_CMPL_WRITE_ENABLE for I/OAT ver.3 I/OAT: add verification for proper APICID_TAG_MAP setting by BIOS dmaengine: update kerneldoc
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git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: ata: add CFA specific identify data words remove stale comment from <linux/hdreg.h> AT91: initialize Compact Flash on AT91SAM9263 cpu ide: add at91_ide driver ide: allow to wrap interrupt handler ide-iops: fix odd-length ATAPI PIO transfers ide: NULL noise: drivers/ide/ide-*.c ide: expiry() returns int, negative expiry() return values won't be noticed
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-devLinus Torvalds authored
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: Don't trust current capacity values in identify words 57-58 libata: make sure port is thawed when skipping resets sata_nv: fix module parameter description ahci: Add the Device IDs for MCP89 and remove IDs of MCP7B to/from ahci.c libata: don't use on-stack sense buffer libata: align ap->sector_buf libata: fix dma_unmap_sg misuse libata: change drive ready wait after hard reset to 5s
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git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linusLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus: Squashfs: frag_size should be signed, as it can hold an error result Squashfs: fix documentation typo, Cramfs filesystem limit is 256 MiB Squashfs: Fix oops when reading fsfuzzer corrupted filesystems
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Linus Torvalds authored
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: smack: fixes for unlabeled host support
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: serio - fix protocol number for TouchIT213
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] fix PCI DMA flag propagation on SN (Altix) with PICs
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git://git.kernel.dk/linux-2.6-blockLinus Torvalds authored
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: fix missing bio back/front segment size setting in blk_recount_segments() loop: don't increment p->offset with (size_t) -EINVAL cciss: remove 30 second initial timeout on controller reset Fix kernel NULL pointer dereference in xen-blkfront
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds authored
* 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Fix headphone-detect regression with multiple HP jacks ALSA: hda - Fix typos in slave controls in patch_sigmatel.c
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Ralf Baechle authored
This is a build fix required after "x86-64: seccomp: fix 32/64 syscall hole" (commit 5b101740). MIPS doesn't have the issue that was fixed for x86-64 by that patch. This also doesn't solve the N32 issue which is that N32 seccomp processes will be treated as non-compat processes thus only have access to N64 syscalls. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Adrian Hunter authored
Commit 0d3e0460 "MMC: CSD and CID timeout values" inadvertently broke the timeout for the MMC command SEND_EXT_CSD. This patch puts it back again. Depending on the characteristics of the controller, this bug may prevent the use of MMC cards. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Dmitry Torokhov authored
Protocol 0x37 has been reserved for iNexio devices and Sahara was supposed to get 0x38. Reported-by: Claudio Nieder <private@claudio.ch> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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- 06 Mar, 2009 4 commits
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Christian Lamparter authored
This patch fixes a number of race conditions in the driver. Up until now, "entry" pointer was initialized before acquiring the right lock. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Roel Kluin authored
freq_diff is unsigned, so test before subtraction Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Jeremy Higdon authored
We recently discovered a problem with passing of DMA attributes on SN systems with the older PIC chips. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Jeremy Higdon <jeremy@sgi.com> Cc: <habeck@sgi.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Markus Metzger authored
ds_write_config() can write the BTS as well as the PEBS part of the DS config. ds_request_pebs() passes the wrong qualifier, which results in the wrong configuration to be written. Reported-by: Stephane Eranian <eranian@googlemail.com> Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> LKML-Reference: <20090305085721.A22550@sedona.ch.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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