- 07 4月, 2010 1 次提交
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由 Chris Wright 提交于
Hit another kdump problem as reported by Neil Horman. When initializaing the IOMMU, we attach devices to their domains before the IOMMU is fully (re)initialized. Attaching a device will issue some important invalidations. In the context of the newly kexec'd kdump kernel, the IOMMU may have stale cached data from the original kernel. Because we do the attach too early, the invalidation commands are placed in the new command buffer before the IOMMU is updated w/ that buffer. This leaves the stale entries in the kdump context and can renders device unusable. Simply enable the IOMMU before we do the attach. Cc: stable@kernel.org Cc: Neil Horman <nhorman@tuxdriver.com> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: NChris Wright <chrisw@sous-sol.org> Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>
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- 08 3月, 2010 1 次提交
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由 Joerg Roedel 提交于
In the amd_iommu_domain_destroy the protection_domain_free function is partly reimplemented. The 'partly' is the bug here because the domain is not deleted from the domain list. This results in use-after-free errors and data-corruption. Fix it by just using protection_domain_free instead. Cc: stable@kernel.org Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>
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- 01 3月, 2010 4 次提交
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由 Joerg Roedel 提交于
Since acpi_table_parse ignores the return values of the parsing function this patch introduces a workaround and reports these errors upstream via a global variable. Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>
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由 Chris Wright 提交于
After a guest is shutdown, assigned devices are not properly returned to the pt domain. This can leave the device using stale cached IOMMU data, and result in a non-functional device after it's re-bound to the host driver. For example, I see this upon rebinding: AMD-Vi: Event logged [IO_PAGE_FAULT device=02:00.0 domain=0x0000 address=0x000000007e2a8000 flags=0x0050] AMD-Vi: Event logged [IO_PAGE_FAULT device=02:00.0 domain=0x0000 address=0x000000007e2a8040 flags=0x0050] AMD-Vi: Event logged [IO_PAGE_FAULT device=02:00.0 domain=0x0000 address=0x000000007e2a8080 flags=0x0050] AMD-Vi: Event logged [IO_PAGE_FAULT device=02:00.0 domain=0x0000 address=0x000000007e2a80c0 flags=0x0050] 0000:02:00.0: eth2: Detected Hardware Unit Hang: ... The amd_iommu_destroy_domain() function calls do_detach() which doesn't reattach the pt domain to the device. Use __detach_device() instead. Cc: stable@kernel.org Signed-off-by: NChris Wright <chrisw@sous-sol.org> Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>
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由 Joerg Roedel 提交于
This patch introduces a mutex to lock page table updates in the IOMMU-API path. We can't use the spin_lock here because this patch might sleep. Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>
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由 Julia Lawall 提交于
dev was tested just above, so drop the second test. Signed-off-by: NJulia Lawall <julia@diku.dk> Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>
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- 25 2月, 2010 4 次提交
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6由 Linus Torvalds 提交于
* 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6: parisc: Set PCI CLS early in boot.
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6由 Linus Torvalds 提交于
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Fix broken sn2 build
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由 Carlos O'Donell 提交于
Set the PCI CLS early in the boot process to prevent device failures. In pcibios_set_master use the new pci_cache_line_size instead of a hard-coded value. Signed-off-by: NCarlos O'Donell <carlos@codesourcery.com> Reviewed-by: NGrant Grundler <grundler@google.com> Signed-off-by: NKyle McMartin <kyle@redhat.com>
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- 24 2月, 2010 9 次提交
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git://git.monstr.eu/linux-2.6-microblaze由 Linus Torvalds 提交于
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Fix out_le32() macro microblaze: Fix cache loop function for cache range
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git://git.kernel.dk/linux-2.6-block由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: Revert "block: improve queue_should_plug() by looking at IO depths"
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由 Steven J. Magnani 提交于
Trailing semicolon causes compilation involving out_le32() to fail. Signed-off-by: NSteven J. Magnani <steve@digidescorp.com> Signed-off-by: NMichal Simek <monstr@monstr.eu>
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由 Michal Simek 提交于
I create wrong asm code but none test shows that this part of code is wrong. I am not convinces that were good idea to create asm optimized macros for caches. The reason is that there is not optimization with previous code that's why make sense to add old code and do some benchmarking which functions are faster. Signed-off-by: NMichal Simek <monstr@monstr.eu>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net: bug fix for vlan + gro issue tc35815: Remove a wrong netif_wake_queue() call which triggers BUG_ON cdc_ether: new PID for Ericsson C3607w to the whitelist (resubmit) IPv6: better document max_addresses parameter MAINTAINERS: update mv643xx_eth maintenance status e1000: Fix DMA mapping error handling on RX iwlwifi: sanity check before counting number of tfds can be free iwlwifi: error checking for number of tfds in queue iwlwifi: set HT flags after channel in rxon
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由 Ajit Khaparde 提交于
Traffic (tcp) doesnot start on a vlan interface when gro is enabled. Even the tcp handshake was not taking place. This is because, the eth_type_trans call before the netif_receive_skb in napi_gro_finish() resets the skb->dev to napi->dev from the previously set vlan netdev interface. This causes the ip_route_input to drop the incoming packet considering it as a packet coming from a martian source. I could repro this on 2.6.32.7 (stable) and 2.6.33-rc7. With this fix, the traffic starts and the test runs fine on both vlan and non-vlan interfaces. CC: Herbert Xu <herbert@gondor.apana.org.au> CC: Patrick McHardy <kaber@trash.net> Signed-off-by: NAjit Khaparde <ajitk@serverengines.com> Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6由 Linus Torvalds 提交于
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI: Be in TS_POLLING state during mwait based C-state entry ACPI: Fix regression where _PPC is not read at boot even when ignore_ppc=0 acer-wmi: Respect current backlight level when loading
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6由 Linus Torvalds 提交于
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/vmwgfx: Fix queries if no dma buffer thrashing is occuring. drm/nv50: fix vram ptes on IGPs to point at stolen system memory drm/nv50: fix instmem binding on IGPs to point at stolen system memory drm/nv50: improve vram page table construction drm/nv50: more efficient clearing of gpu page table entries drm/nv50: make nv50_mem_vm_{bind,unbind} operate only on vram drm/nouveau: Fix up pre-nv17 analog load detection.
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由 Hedi Berriche 提交于
Revert the change made to arch/ia64/sn/kernel/setup.c by commit 204fba4a as it breaks the build. Fixing the build the b94b0808 way breaks xpc because genksyms then fails to generate an CRC for per_cpu____sn_cnodeid_to_nasid because of limitations in the generic genksyms code. Signed-off-by: NHedi Berriche <hedi@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 23 2月, 2010 21 次提交
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由 Atsushi Nemoto 提交于
The netif_wake_queue() is called correctly (i.e. only on !txfull condition) from txdone routine. So Unconditional call to the netif_wake_queue() here is wrong. This might cause calling of start_xmit routine on txfull state and trigger BUG_ON. This bug does not happen when NAPI disabled. After txdone there must be at least one free tx slot. But with NAPI, this is not true anymore and the BUG_ON can hits on heavy load. In this driver NAPI was enabled on 2.6.33-rc1 so this is regression from 2.6.32 kernel. Reported-by: NRalf Roesch <ralf.roesch@rw-gmbh.de> Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Torgny Johansson 提交于
This patch adds a new vid/pid to the cdc_ether whitelist. Device added: - Ericsson Mobile Broadband variant C3607w Signed-off-by: NTorgny Johansson <torgny.johansson@gmail.com> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlSigned-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Brian Haley 提交于
Andrew Morton wrote: >> >From ip-sysctl.txt file in kernel documentation I can see following description >> for max_addresses: >> max_addresses - INTEGER >> Number of maximum addresses per interface. 0 disables limitation. >> It is recommended not set too large value (or 0) because it would >> be too easy way to crash kernel to allow to create too much of >> autoconfigured addresses. ^^^^^^^^^^^^^^ >> If this parameter applies only for auto-configured IP addressed, please state >> it more clearly in docs or rename the parameter to show that it refers to >> auto-configuration. It did mention autoconfigured in the text, but the below makes it more obvious. More clearly document IPv6 max_addresses parameter. Signed-off-by: NBrian Haley <brian.haley@hp.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Lennert Buytenhek 提交于
I am no longer with Marvell. Signed-off-by: NLennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Anton Blanchard 提交于
Check for error return from pci_map_single/pci_map_page and clean up. With this and the previous patch the driver was able to handle a significant percentage of errors (I set the fault injection rate to 10% and could still download large files at a reasonable speed). Signed-off-by: NAnton Blanchard <anton@samba.org> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jens Axboe 提交于
This reverts commit fb1e7538. "Benjamin S." <sbenni@gmx.de> reports that the patch in question causes a big drop in sequential throughput for him, dropping from 200MB/sec down to only 70MB/sec. Needs to be investigated more fully, for now lets just revert the offending commit. Conflicts: include/linux/blkdev.h Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Thomas Hellstrom 提交于
Intercept query commands and apply relocations to their guest pointers. Signed-off-by: NThomas Hellstrom <thellstrom@vmware.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Dave Airlie 提交于
* 'nouveau/for-airlied' of ../drm-nouveau-next: drm/nv50: fix vram ptes on IGPs to point at stolen system memory drm/nv50: fix instmem binding on IGPs to point at stolen system memory drm/nv50: improve vram page table construction drm/nv50: more efficient clearing of gpu page table entries drm/nv50: make nv50_mem_vm_{bind,unbind} operate only on vram drm/nouveau: Fix up pre-nv17 analog load detection.
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由 Len Brown 提交于
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由 Len Brown 提交于
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git://ftp.linux-mips.org/pub/scm/upstream-linus由 Linus Torvalds 提交于
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: MIPS: BCM47xx: Fix 128MB RAM support MIPS: Highmem: Fix build error
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由 Linus Torvalds 提交于
Merge branch 'parisc/tracehook' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland * 'parisc/tracehook' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland: Revert "parisc: HAVE_ARCH_TRACEHOOK"
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由 Michael Neuling 提交于
803bf5ec ("fs/exec.c: restrict initial stack space expansion to rlimit") attempts to limit the initial stack to 20*PAGE_SIZE. Unfortunately, in attempting ensure the stack is not reduced in size, we ended up not changing the stack at all. This size reduction check is not necessary as the expand_stack call does this already. This caused a regression in UML resulting in most guest processes being killed. Signed-off-by: NMichael Neuling <mikey@neuling.org> Reviewed-by: NKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: NWANG Cong <xiyou.wangcong@gmail.com> Cc: Anton Blanchard <anton@samba.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: James Morris <jmorris@namei.org> Cc: Serge Hallyn <serue@us.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Jouni Malinen <j@w1.fi> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Marcin Slusarz 提交于
Commit 4410f391 ("fbdev: add support for handoff from firmware to hw framebuffers") didn't add fb_destroy operation to efifb. Fix it and change aperture_size to match size passed to request_mem_region. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=15151Signed-off-by: NMarcin Slusarz <marcin.slusarz@gmail.com> Reported-by: NAlex Zhavnerchik <alex.vizor@gmail.com> Tested-by: NAlex Zhavnerchik <alex.vizor@gmail.com> Acked-by: NPeter Jones <pjones@redhat.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Dave Airlie <airlied@redhat.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jens Rottmann 提交于
geode-mfgpt: restore previous behavior for selecting IRQ The MFGPT IRQ used to be, in order of decreasing priority, * IRQ supplied by the user as a boot-time parameter, * IRQ previously set by the BIOS or another driver, * default IRQ given at compile time. Return to this behavior, which got broken when splitting the MFGPT/clocksource driver for 2.6.33-rc1. Signed-off-by: NJens Rottmann <JRottmann@LiPPERTEmbedded.de> Acked-by: NAndres Salomon <dilinger@collabora.co.uk> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Acked-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Tejun Heo 提交于
This is retry of reverted 859ddf09 ("idr: fix a critical misallocation bug") which contained two bugs. * pa[idp->layers] should be cleared even if it's not used by sub_alloc() because it's used by mark idr_mark_full(). * The original condition check also assigned pa[l] to p which the new code didn't do thus leaving p pointing at the wrong layer. Both problems have been fixed and the idr code has received good amount testing using userland testing setup where simple bitmap allocator is run parallel to verify the result of idr allocation. The bug this patch fixes is caused by sub_alloc() optimization path bypassing out-of-room condition check and restarting allocation loop with starting value higher than maximum allowed value. For detailed description, please read commit message of 859ddf09. Signed-off-by: NTejun Heo <tj@kernel.org> Based-on-patch-from: Eric Paris <eparis@redhat.com> Reported-by: NEric Paris <eparis@redhat.com> Tested-by: NStefan Lippers-Hollmann <s.l-h@gmx.de> Tested-by: NSerge Hallyn <serue@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Tetsuo Handa 提交于
find_task_by_vpid() is not safe without rcu_read_lock(). 2.6.33-rc7 got RCU protection for sys_setpriority() but missed it for sys_getpriority(). Signed-off-by: NTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Oleg Nesterov <oleg@redhat.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Acked-by: NSerge Hallyn <serue@us.ibm.com> Acked-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 KAMEZAWA Hiroyuki 提交于
Presently the oom-killer is memcg aware and it finds the worst process from processes under memcg(s) in oom. Then, it kills victim's child first. It may kill a child in another cgroup and may not be any help for recovery. And it will break the assumption users have. This patch fixes it. Signed-off-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: NMinchan Kim <minchan.kim@gmail.com> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Reviewed-by: NDaisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Acked-by: NDavid Rientjes <rientjes@google.com> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Ben Skeggs 提交于
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>
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由 Ben Skeggs 提交于
This also modifies the unused PRAMIN PT entries to be all zeroes, can't really recall why I used 9/0 initially, just that it didn't work for some reason. It was likely masking a bug elsewhere that's since been fixed. Signed-off-by: NBen Skeggs <bskeggs@redhat.com>