lkml.org 
[lkml]   [2018]   [Feb]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 4.9 43/92] x86/pti: Do not enable PTI on CPUs which are not vulnerable to Meltdown
On Tue, Feb 13, 2018 at 05:02:59PM +0100, Thomas Gleixner wrote:
> No. The table is basically excluding families <=5 and a few individual
> ones. Anything newer than that should tell via ARCH_CAP_RDCL_NO and not
> need any entry.

It looks to me like Nick wants 4.9 to test X86_BUG_CPU_MELTDOWN in
kaiser_check_boottime_disable() not X86_VENDOR_AMD. I.e., the auto
disable should pay attention to the CPUs in the table like upstream.

4.9 got the kaiser backports which explains the difference.

IMHO, of course.

--
Regards/Gruss,
Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--

\
 
 \ /
  Last update: 2018-02-13 17:12    [W:0.078 / U:9.868 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site