lkml.org 
[lkml]   [2013]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] do not try to sync identity map for non-mapped pages
On 04/07/2013 06:33 AM, Borislav Petkov wrote:
>
> looks like we haven't whacked all the moles - I keep seeing this when
> testing 32-bit builds in qemu on latest Linus + tip. I'd guess this is
> still that /dev/mem accessing thing called wdm.
>
> I'm still wondering though whether we should BUG_ON on a /dev/mem
> access?
>

We shouldn't, no. /dev/mem really needs to be fixed along a bunch of
axes. Yes, it is privileged and extra creepy, but it should either work
or it should fail cleanly.

-hpa



\
 
 \ /
  Last update: 2013-04-07 19:01    [W:0.112 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site