lkml.org 
[lkml]   [2013]   [Dec]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] mm,x86: fix span coverage in e820_all_mapped()
On 2013/12/11 10:55, H. Peter Anvin wrote:

> On 12/10/2013 05:35 PM, Xishi Qiu wrote:
>>
>> In this case, old code is right, but I discuss in another one that
>> you wrote above.
>>
>
> So is there a problem or not? I have lost track...
>

I think there is a problem.
e.g.
[start, end)=[8, 12), and [A, B)=[0, 10), [B, C)=[10,20),
then e820_all_mapped() will return 1, it spans two regions.

Thanks,
Xishi Qiu

> -hpa
>
>
>
>





\
 
 \ /
  Last update: 2013-12-11 05:21    [W:0.077 / U:0.476 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site