lkml.org 
[lkml]   [2016]   [Feb]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 15/18] uprobes: wait for mmap_sem for write killable
On 02/29, Michal Hocko wrote:
>
> --- a/kernel/events/uprobes.c
> +++ b/kernel/events/uprobes.c
> @@ -1130,7 +1130,9 @@ static int xol_add_vma(struct mm_struct *mm, struct xol_area *area)
> struct vm_area_struct *vma;
> int ret;
>
> - down_write(&mm->mmap_sem);
> + if (down_write_killable(&mm->mmap_sem))
> + return -EINTR;
> +

Yes, but then dup_xol_work() should probably check fatal_signal_pending() to
suppress uprobe_warn(), the warning looks like a kernel problem.

Oleg.

\
 
 \ /
  Last update: 2016-02-29 17:41    [W:0.310 / U:2.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site