Kernel

[PATCH 1/2] KVM MMU: cleanup/fix mmu audit code
This patch does: - 'sp' parameter in inspect_spte_fn() is not used, so remove it - fix 'kvm' and 'slots' is not defined in count_rmaps() - fix a bug in inspect_spte_has_rmap() Signed-off-by: Xiao Guangrong <xiaoguangrong(a)cn.fujitsu.com> --- arch/x86/kvm/mmu.c | 15 ++++++++------- 1 files changed, 8 inserti... 1 Apr 2010 05:44

[PATCH 2/2] KVM MMU: record reverse mapping for spte only if it's writable
The read only spte mapping can't hurt shadow page cache, so, no need to record it. Using bit9 to record whether the spte is re-mapped Signed-off-by: Xiao Guangrong <xiaoguangrong(a)cn.fujitsu.com> --- arch/x86/kvm/mmu.c | 17 +++++++++++++++-- arch/x86/kvm/mmu.h | 1 + 2 files changed, 16 insertions(+), ... 1 Apr 2010 05:44

drbd: potential null dereference
Hi Dan, Thanks for the work with the static analyzer, but the patch is bogus. The lc_element_by_index() function causes a BUG_ON before returning a NULL. The next mail contains a patch that removes the unnecessary conditional expression operator. Philipp Reisner (1): drbd: lc_element_by_index() never retur... 1 Apr 2010 05:44

[patch repost] sched: Fix group_capacity for sched_smt_powersavings=1
Hi Peter, This is repost of the same patch http://lkml.org/lkml/2010/3/22/275 (and http://lkml.org/lkml/2010/3/2/216) After applying Suresh's fixes from discussion thread http://lkml.org/lkml/2010/2/12/352, we still need the attached patch to restore sched_smt_powersavings=1 functionality where tasks prefer s... 1 Apr 2010 04:40

drm tree
W dniu 1 kwietnia 2010 09:32 użytkownik Dave Airlie <airlied(a)linux.ie> napisał: a pull from nouveau + minor drm core fixes, Lots of radeon fixes from Alex(a)AMD, main thing is turning off the use of the hw i2c engine by default again, it was causing problems for some people, we now have a module option. Lo... 1 Apr 2010 04:40

[Patch V3] bonding: fix potential deadlock in bond_uninit()
Eric W. Biederman wrote: Amerigo Wang <amwang(a)redhat.com> writes: bond_uninit() is invoked with rtnl_lock held, when it does destroy_workqueue() which will potentially flush all works in this workqueue, if we hold rtnl_lock again in the work function, it will deadlock. So move destroy_workque... 1 Apr 2010 03:35

Fix missing of last user info while getting DEBUG_SLAB config enabled
Hi, Pekka Thanks for your feedback. The subject and comments are kind of misleading. Sorry about that. It intends to make both Red-Zone and LastUser are available even the alignment is larger than sizeof(long long). The idea is to reserve certain room ("align") to let the obj's offset is aligned to cache-lin... 1 Apr 2010 03:35

Fix missing of last user info while getting DEBUG_SLAB config enabled
ShiYong LI kirjoitti: Hi all, For OMAP3430 chip, while getting DEBUG_SLAB config enabled, found a bug that last user information is missed in slab corruption log dumped by kernel. Actually, It's caused by ignorance of redzone and last user tag while calling kmem_cache_create() function if cache a... 1 Apr 2010 03:35

[GIT PULL v3] perf fixes
On Wed, Mar 31, 2010 at 05:58:45AM +0200, Frederic Weisbecker wrote: Ingo, Please pull the perf/urgent branch that can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing.git perf/urgent I have updated the tree. There was a leftover patch for perf/core inside (n... 1 Apr 2010 02:31

linux-next: build failure after merge of the final tree (hid tree related)
On Thu, 1 Apr 2010, Stephen Rothwell wrote: After merging the final tree, today's linux-next build (powerpc allyesconfig) failed like this: drivers/hid/hid-picolcd.c: In function 'picolcd_debug_reset_write': drivers/hid/hid-picolcd.c:1343: error: implicit declaration of function 'copy_from_user' dr... 1 Apr 2010 15:45