lkml.org 
[lkml]   [2012]   [Apr]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH mm RESEND] c/r: prctl: update prctl_set_mm_exe_file() after mm->num_exe_file_vmas removal
On Sat, Apr 07, 2012 at 11:08:02PM +0400, Konstantin Khlebnikov wrote:
> [ fix for "c-r-prctl-add-ability-to-set-new-mm_struct-exe_file-v2" from mm tree ]
>
> After removing mm->num_exe_file_vmas kernel keeps mm->exe_file until final mmput(),
> it never becomes NULL while task is alive.
>
> We can check for other mapped files in mm instead of checking mm->num_exe_file_vmas,
> and mark mm with flag MMF_EXE_FILE_CHANGED in order to forbid second changing of mm->exe_file.
>
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>

Hi Konstantin, really sorry for delay. This should do trick for us.

Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>


\
 
 \ /
  Last update: 2012-04-11 01:03    [W:0.041 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site