lkml.org 
[lkml]   [2015]   [Jul]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RESEND 2/3] mm, x86: Remove region_is_ram() call from ioremap
On Thu, 16 Jul 2015, Toshi Kani wrote:
> Note, removing the call to region_is_ram() is also necessary to
> fix bugs in region_is_ram(). walk_system_ram_range() requires
> RAM ranges be page-aligned in the iomem_resource table to work
> properly. This restriction has allowed multiple ioremaps to RAM
> (setup_data) which are page-unaligned. Using fixed region_is_ram()
> will cause these callers to start failing.

Which callers?

Thanks,

tglx


\
 
 \ /
  Last update: 2015-07-21 16:41    [W:0.105 / U:1.732 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site