lkml.org 
[lkml]   [2015]   [Sep]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 0/3] x86/paravirt: Fix baremetal paravirt MSR ops
From
Date
>
>> ( We should double check that rdmsr()/wrmsr() results are never left
>> uninitialized, but are set to zero or so, for cases where the return code is not
>> checked. )
>
> It sure looks like native_read_msr_safe doesn't clear the output if
> the rdmsr fails.

I'd suggest to return some poison not just 0...
less likely to get interesting surprises that are insane hard to debug/diagnose





\
 
 \ /
  Last update: 2015-09-17 17:41    [W:0.116 / U:0.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site