lkml.org 
[lkml]   [2018]   [Apr]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 4/9] x86, pkeys: override pkey when moving away from PROT_EXEC
From
Date
On 04/06/2018 05:09 PM, Ram Pai wrote:
>> - /*
>> - * Look for a protection-key-drive execute-only mapping
>> - * which is now being given permissions that are not
>> - * execute-only. Move it back to the default pkey.
>> - */
>> - if (vma_is_pkey_exec_only(vma) &&
>> - (prot & (PROT_READ|PROT_WRITE))) {
>> - return 0;
>> - }
>> +
> Dave,
> this can be simply:
>
> if ((vma_is_pkey_exec_only(vma) && (prot != PROT_EXEC))
> return ARCH_DEFAULT_PKEY;

Yes, but we're removing that code entirely. :)

\
 
 \ /
  Last update: 2018-04-07 02:48    [W:0.671 / U:0.168 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site