[lkml]   [2019]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 14/17] KVM: monolithic: x86: inline more exit handlers in vmx.c
On 24/09/19 03:55, Andrea Arcangeli wrote:
>> So it's forty bytes. I think we can leave this out.
> This commit I reverted adds literally 3 inlines called by 3 functions,
> in a very fast path, how many bytes of .text difference did you expect
> by dropping some call/ret from a very fast path when you asked me to
> test it? I mean it's just a couple of insn each.

Actually I was either expecting the difference to be zero, meaning GCC
was already inlining them.

I think it is not inlining the functions because they are still
referenced by vmx_exit_handlers. After patch 15 you could drop them
from the array, and then GCC should inline them.


 \ /
  Last update: 2019-09-25 09:53    [W:0.079 / U:0.536 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site