lkml.org 
[lkml]   [2023]   [May]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] KVM: VMX: remove LFENCE in vmx_spec_ctrl_restore_host()
On 01/06/2023 1:42 am, Josh Poimboeuf wrote:
> So each LFENCE has a distinct purpose. That said, there are no indirect
> branches or unbalanced RETs between them.

How lucky are you feeling?

You're in C at this point, which means the compiler could have emitted a
call to mem{cpy,cmp}() in place of a simple assignment/comparison.

~Andrew

\
 
 \ /
  Last update: 2023-06-01 02:52    [W:1.116 / U:0.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site