lkml.org 
[lkml]   [2018]   [Jan]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 4.9] x86/pti/efi: broken conversion from efi to kernel page table
Hi Ingo,

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/log/?h=linux-4.9.y&ofs=50
4.9 PTI backport is in 4.9.75.

Thank you,
Pavel

On Fri, Jan 12, 2018 at 8:58 AM, Ingo Molnar <mingo@kernel.org> wrote:
>
> * Pavel Tatashin <pasha.tatashin@oracle.com> wrote:
>
>> The page table order must be increased for EFI table in order to avoid a
>> bug where NMI tries to change the page table to kernel page table, while
>> efi page table is active.
>>
>> For more disccussion about this bug, see this thread:
>> http://lkml.iu.edu/hypermail/linux/kernel/1801.1/00951.html
>>
>> Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
>> Reviewed-by: Steven Sistare <steven.sistare@oracle.com>
>> ---
>> arch/x86/include/asm/pgalloc.h | 11 +++++++++++
>> arch/x86/platform/efi/efi_64.c | 2 +-
>> 2 files changed, 12 insertions(+), 1 deletion(-)
>
> Is there a Git tree/branch I could follow to see the very latest v4.9 PTI backport
> commits?
>
> Thanks,
>
> Ingo

\
 
 \ /
  Last update: 2018-01-14 23:25    [W:0.057 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site