lkml.org 
[lkml]   [2018]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 03/14] mm/hmm: HMM should have a callback before MM is destroyed v2
On Fri, 16 Mar 2018 15:14:08 -0400 jglisse@redhat.com wrote:

> The hmm_mirror_register() function registers a callback for when
> the CPU pagetable is modified. Normally, the device driver will
> call hmm_mirror_unregister() when the process using the device is
> finished. However, if the process exits uncleanly, the struct_mm
> can be destroyed with no warning to the device driver.

Again, what are the user-visible effects of the bug? Such info is
needed when others review our request for a -stable backport. And the
many people who review -stable patches for integration into their own
kernel trees will want to understand the benefit of the patch to their
users.

\
 
 \ /
  Last update: 2018-03-16 22:13    [W:0.312 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site