lkml.org 
[lkml]   [2020]   [Dec]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v1 ] ALSA: core: memalloc: add page alignment for iram
From
Date
On 12/17/20 5:15 PM, Robin Gong wrote:
> Since mmap for userspace is based on page alignment, add page alignment
> for iram alloc from pool, otherwise, some good data located in the same
> page of dmab->area maybe touched wrongly by userspace like pulseaudio.
>
I wonder, do we also have to align size to be a multiple of PAGE_SIZE to
avoid leaking unrelated data?

\
 
 \ /
  Last update: 2020-12-17 10:46    [W:0.052 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site