[PATCH] x86: mm: Fix vmalloc_fault oops during lazy MMU updates

2013-02-20 Thread Samu Kallio
ch in the PUD entries Calling arch_flush_lazy_mmu_mode immediately after set_pgd makes the changes visible to the consistency checks. Signed-off-by: Samu Kallio --- arch/x86/mm/fault.c | 6 -- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fa

Re: x86: mm: Fix vmalloc_fault oops during lazy MMU updates.

2013-02-21 Thread Samu Kallio
On Thu, Feb 21, 2013 at 2:33 PM, Konrad Rzeszutek Wilk wrote: > On Sun, Feb 17, 2013 at 02:35:52AM -0000, Samu Kallio wrote: >> In paravirtualized x86_64 kernels, vmalloc_fault may cause an oops >> when lazy MMU updates are enabled, because set_pgd effects are being >>

[PATCH] x86: mm: Fix vmalloc_fault oops during lazy MMU updates.

2013-02-16 Thread Samu Kallio
ch in the PUD entries Calling arch_flush_lazy_mmu_mode immediately after set_pgd makes the changes visible to the consistency checks. Signed-off-by: Samu Kallio --- arch/x86/mm/fault.c | 6 -- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fa

[tip:x86/urgent] x86, mm, paravirt: Fix vmalloc_fault oops during lazy MMU updates

2013-04-10 Thread tip-bot for Samu Kallio
Commit-ID: 1160c2779b826c6f5c08e5cc542de58fd1f667d5 Gitweb: http://git.kernel.org/tip/1160c2779b826c6f5c08e5cc542de58fd1f667d5 Author: Samu Kallio AuthorDate: Sat, 23 Mar 2013 09:36:35 -0400 Committer: H. Peter Anvin CommitDate: Wed, 10 Apr 2013 11:25:07 -0700 x86, mm, paravirt: Fix