lkml.org 
[lkml]   [2014]   [Dec]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] x86, mpx: explicitly disable 32-bit MPX support on 64-bit kernels
On 12/22/2014 12:17 PM, Andy Lutomirski wrote:
>> > /*
>> > + * 32-bit binaries on 64-bit kernels are currently
>> > + * unsupported.
>> > + */
>> > + if (IS_ENABLED(CONFIG_X86_64) && test_thread_flag(TIF_IA32))
>> > + return MPX_INVALID_BOUNDS_DIR;
> Should this check mm->ia32_compat instead?

set_personality_64bit/ia32() seem to make that and TIF_IA32 awfully
equivalent. Is there a specific reason for wanting it done this way?


\
 
 \ /
  Last update: 2014-12-22 21:41    [W:0.032 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site