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2011-05-22KVM: x86 emulator: Use opcode::execute for 0F 01 opcodeAvi Kivity1-43/+13
Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Don't force #UD for 0F 01 /5Avi Kivity1-3/+0
While it isn't defined, no need to force a #UD. If it becomes defined in the future this can cause wierd problems for the guest. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: move 0F 01 sub-opcodes into their own functionsAvi Kivity1-47/+99
Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: fix const value warning on i386 in svm insn RAX checkRandy Dunlap1-1/+1
arch/x86/kvm/emulate.c:2598: warning: integer constant is too large for 'long' type Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: avoid calling wbinvd() macroClemens Noss1-1/+1
Commit 0b56652e33c72092956c651ab6ceb9f0ad081153 fails to build: CC [M] arch/x86/kvm/emulate.o arch/x86/kvm/emulate.c: In function 'x86_emulate_insn': arch/x86/kvm/emulate.c:4095:25: error: macro "wbinvd" passed 1 arguments, but takes just 0 arch/x86/kvm/emulate.c:4095:3: warning: statement with no effect make[2]: *** [arch/x86/kvm/emulate.o] Error 1 make[1]: *** [arch/x86/kvm] Error 2 make: *** [arch/x86] Error 2 Work around this for now. Signed-off-by: Clemens Noss <cnoss@gmx.de> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: ioapic: Fix an error field referenceLiu Yuan1-1/+1
Function ioapic_debug() in the ioapic_deliver() misnames one filed by reference. This patch correct it. Signed-off-by: Liu Yuan <tailai.ly@taobao.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: MMU: Make cmpxchg_gpte aware of nesting tooRoedel, Joerg1-7/+23
This patch makes the cmpxchg_gpte() function aware of the difference between l1-gfns and l2-gfns when nested virtualization is in use. This fixes a potential data-corruption problem in the l1-guest and makes the code work correct (at least as correct as the hardware which is emulated in this code) again. Cc: stable@kernel.org Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: drop x86_emulate_ctxt::vcpuAvi Kivity2-3/+0
No longer used. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: Avoid using x86_emulate_ctxt.vcpuAvi Kivity1-1/+1
We can use container_of() instead. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: add new ->wbinvd() callbackAvi Kivity3-1/+8
Instead of calling kvm_emulate_wbinvd() directly. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: add ->fix_hypercall() callbackAvi Kivity4-5/+8
Artificial, but needed to remove direct calls to KVM. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: add new ->halt() callbackAvi Kivity3-1/+8
Instead of reaching into vcpu internals. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: make emulate_invlpg() an emulator callbackAvi Kivity4-5/+5
Removing direct calls to KVM. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: emulate CLTS internallyAvi Kivity3-9/+11
Avoid using ctxt->vcpu; we can do everything with ->get_cr() and ->set_cr(). A side effect is that we no longer activate the fpu on emulated CLTS; but that should be very rare. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Replace calls to is_pae() and is_paging with ->get_cr()Avi Kivity1-2/+2
Avoid use of ctxt->vcpu. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: drop use of is_long_mode()Avi Kivity1-7/+12
Requires ctxt->vcpu, which is to be abolished. Replace with open calls to get_msr(). Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: add and use new callbacks set_idt(), set_gdt()Avi Kivity4-24/+21
Replacing direct calls to realmode_lgdt(), realmode_lidt(). Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: avoid using ctxt->vcpu in check_perm() callbacksAvi Kivity1-2/+2
Unneeded for register access. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: drop vcpu argument from intercept callbackAvi Kivity3-4/+4
Making the emulator caller agnostic. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: drop vcpu argument from cr/dr/cpl/msr callbacksAvi Kivity3-59/+73
Making the emulator caller agnostic. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: drop vcpu argument from segment/gdt/idt callbacksAvi Kivity3-83/+90
Making the emulator caller agnostic. [Takuya Yoshikawa: fix typo leading to LDT failures] Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22Merge branch 'perf/core' of ↵Ingo Molnar13-47/+138
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/urgent Conflicts: tools/perf/builtin-top.c Semantic conflict: util/include/linux/list.h # fix prefetch.h removal fallout Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-22Merge branch 'topic/hda' into for-linusTakashi Iwai15-3276/+4107
2011-05-22Merge branch 'topic/asoc' into for-linusTakashi Iwai112-2596/+15215
2011-05-22Merge branch 'topic/misc' into for-linusTakashi Iwai48-1297/+1722
2011-05-22Merge branch 'topic/lola' into for-linusTakashi Iwai10-0/+3429
2011-05-22Merge branch 'flushing' into for-linusJames Bottomley8-124/+182
2011-05-22Merge branch 'topic/asoc' of ↵Mark Brown13-23/+24
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into for-2.6.40
2011-05-22ASoC: core: Don't set "(null)" as a driver nameJarkko Nikula1-1/+1
Commit 22de71b ("ASoC: core - allow ASoC more flexible machine name") writes "(null)" to driver name string in struct snd_card if card->driver_name is NULL. This causes segmentation faults with some user space ALSA utilities like aplay and arecord. Fix this by using the card->name if no driver name is specified. Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-05-22perf tools: Propagate event parse error handlingFrederic Weisbecker4-11/+33
Better handle event parsing error by propagating the details in upper layers or by dumping some failure message. So that the user knows he has some crazy events in the batch. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com>
2011-05-22perf tools: Robustify dynamic sample content fetchFrederic Weisbecker1-0/+26
Ensure the size of the dynamic fields such as callchains or raw events don't overlap the whole event boundaries. This prevents from dereferencing junk if the given size of the callchain goes too eager. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com>
2011-05-22perf tools: Pre-check sample size before parsingFrederic Weisbecker7-5/+41
Check that the total size of the sample fields having a fixed size do not exceed the one of the whole event. This robustifies the sample parsing. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com>
2011-05-22perf tools: Move evlist sample helpers to evlist areaFrederic Weisbecker4-33/+34
These APIs should belong to evlist.c as they may not be exclusively tied to the headers. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com
2011-05-22perf tools: Remove junk code in mmap size handlingFrederic Weisbecker1-3/+0
size is overriden later and used only then. Those lines are only junk, probably a leftover. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com>
2011-05-22perf tools: Check we are able to read the event size on mmapFrederic Weisbecker1-0/+7
Check we have enough mmaped space to read the current event size from its headers, otherwise we may dereference some hell there. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com>
2011-05-21Merge branch 'for-linus' of ↵Linus Torvalds16-117/+140
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: sbp2: parallelize login, reconnect, logout firewire: sbp2: octlet AT payloads can be stack-allocated firewire: sbp2: omit Scsi_Host lock from queuecommand firewire: core: use non-reentrant workqueue with rescuer firewire: optimize iso queueing by setting wake only after the last packet firewire: octlet AT payloads can be stack-allocated firewire: ohci: optimize find_branch_descriptor() firewire: ohci: avoid separate DMA mapping for small AT payloads firewire: ohci: do not start DMA contexts before link is enabled
2011-05-21GFS2: Wait properly when flushing the ail listSteven Whitehouse1-3/+26
The ail flush code has always relied upon log flushing to prevent it from spinning needlessly. This fixes it to wait on the last I/O request submitted (we don't need to wait for all of it) instead of either spinning with io_schedule or sleeping. As a result cpu usage of gfs2_logd is much reduced with certain workloads. Reported-by: Abhijith Das <adas@redhat.com> Tested-by: Abhijith Das <adas@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2011-05-21x86: Eliminate various 'set but not used' warningsGustavo F. Padovan3-16/+5
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi> Cc: Joerg Roedel <joerg.roedel@amd.com> (supporter:AMD IOMMU (AMD-VI)) Cc: iommu@lists.linux-foundation.org (open list:AMD IOMMU (AMD-VI)) Link: http://lkml.kernel.org/r/1305918786-7239-3-git-send-email-padovan@profusion.mobi Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-21hwmon: (coretemp) Fix checkpatch errorsGuenter Roeck1-30/+37
Fix remaining checkpatch errors in the coretemp driver. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Durgadoss R <durgadoss.r@intel.com> Acked-by: Jean Delvare <khali@linux-fr.org>
2011-05-21hwmon: Remove pkgtemp driverGuenter Roeck4-488/+0
After the merge of pkgtemp functionality into the coretemp driver, the pkgtemp driver is no longer necessary. Remove it. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Acked-by: Jean Delvare <khali@linux-fr.org>
2011-05-21GFS2: Wipe directory hash table metadata when deallocating a directorySteven Whitehouse2-0/+6
The deallocation code for directories in GFS2 is largely divided into two parts. The first part deallocates any directory leaf blocks and marks the directory as being a regular file when that is complete. The second stage was identical to deallocating regular files. Regular files have their data blocks in a different address space to directories, and thus what would have been normal data blocks in a regular file (the hash table in a GFS2 directory) were deallocated correctly. However, a reference to these blocks was left in the journal (assuming of course that some previous activity had resulted in those blocks being in the journal or ail list). This patch uses the i_depth as a test of whether the inode is an exhash directory (we cannot test the inode type as that has already been changed to a regular file at this stage in deallocation) The original issue was reported by Chris Hertel as an issue he encountered running bonnie++ Reported-by: Christopher R. Hertel <crh@samba.org> Cc: Abhijith Das <adas@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2011-05-21x86, SMEP: Fix section mismatch warningsFenghua Yu1-2/+2
Fix these kernel compilation warnings: WARNING: arch/x86/built-in.o(.cpuinit.text+0x1e07): Section mismatch ... WARNING: arch/x86/built-in.o(.cpuinit.text+0x1b10): Section mismatch ... introduced by: de5397ad5b9a: x86, cpu: Enable/disable Supervisor Mode Execution Protection Change disable_smep from __initdata to __cpuinitdata. Change setup_smep() from __init to __cpuinit. Reported-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Cc: Asit K Mallick <asit.k.mallick@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1305930797-11409-1-git-send-email-fenghua.yu@intel.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-21slub: Deal with hyperthetical case of PAGE_SIZE > 2MChristoph Lameter1-2/+4
kmalloc_index() currently returns -1 if the PAGE_SIZE is larger than 2M which seems to cause some concern since the callers do not check for -1. Insert a BUG() and add a comment to the -1 explaining that the code cannot be reached. Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
2011-05-21slub: Remove node check in slab_freeChristoph Lameter1-1/+3
We can set the page pointing in the percpu structure to NULL to have the same effect as setting c->node to NUMA_NO_NODE. Gets rid of one check in slab_free() that was only used for forcing the slab_free to the slowpath for debugging. We still need to set c->node to NUMA_NO_NODE to force the slab_alloc() fastpath to the slowpath in case of debugging. Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
2011-05-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds3-19/+4
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: sctp: Fix build failure. garp: use kfree_rcu() ipv6: copy prefsrc setting when copying route entry
2011-05-21VFS: move BUG_ON test for symlink nd->depth after current->link_count testErez Zadok1-1/+1
This solves a serious VFS-level bug in nested_symlink (which was rewritten from do_follow_link), and follows the order of depth tests that existed before. The bug triggers a BUG_ON in fs/namei.c:1381, when running racer with symlink and rename ops. Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu> Acked-by: Miklos Szeredi <mszeredi@suse.cz> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-21sctp: Fix build failure.David S. Miller1-1/+1
Commit c182f90bc1f22ce5039b8722e45621d5f96862c2 ("SCTP: fix race between sctp_bind_addr_free() and sctp_bind_addr_conflict()") and commit 1231f0baa547a541a7481119323b7f964dda4788 ("net,rcu: convert call_rcu(sctp_local_addr_free) to kfree_rcu()"), happening in different trees, introduced a build failure. Simply make the SCTP race fix use kfree_rcu() too. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-21garp: use kfree_rcu()Eric Dumazet1-18/+2
Use kfree_rcu() instead of call_rcu(), remove garp_cleanup_module() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-21ipv6: copy prefsrc setting when copying route entryFlorian Westphal1-0/+1
commit c3968a857a6b6c3d2ef4ead35776b055fb664d74 ('ipv6: RTA_PREFSRC support for ipv6 route source address selection') added support for ipv6 prefsrc as an alternative to ipv6 addrlabels, but it did not work because the prefsrc entry was not copied. Cc: Daniel Walter <sahne@0x90.at> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds41-422/+7660
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (45 commits) crypto: caam - add support for sha512 variants of existing AEAD algorithms crypto: caam - remove unused authkeylen from caam_ctx crypto: caam - fix decryption shared vs. non-shared key setting crypto: caam - platform_bus_type migration crypto: aesni-intel - fix aesni build on i386 crypto: aesni-intel - Merge with fpu.ko crypto: mv_cesa - make count_sgs() null-pointer proof crypto: mv_cesa - copy remaining bytes to SRAM only when needed crypto: mv_cesa - move digest state initialisation to a better place crypto: mv_cesa - fill inner/outer IV fields only in HMAC case crypto: mv_cesa - refactor copy_src_to_buf() crypto: mv_cesa - no need to save digest state after the last chunk crypto: mv_cesa - print a warning when registration of AES algos fail crypto: mv_cesa - drop this call to mv_hash_final from mv_hash_finup crypto: mv_cesa - the descriptor pointer register needs to be set just once crypto: mv_cesa - use ablkcipher_request_cast instead of the manual container_of crypto: caam - fix printk recursion for long error texts crypto: caam - remove unused keylen from session context hwrng: amd - enable AMD hw rnd driver for Maple PPC boards hwrng: amd - manage resource allocation ...
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