lkml.org 
[lkml]   [2010]   [Oct]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 2/2] jump label: disable due to compiler bug
From
Date
On Fri, 2010-10-29 at 08:34 +0200, Ingo Molnar wrote:
> * Jason Baron <jbaron@redhat.com> wrote:
>
> > Thus, I'm going to propose a patch, which makes jump label conditional on x86_64
> > for now [...]
>
> No, we dont do 64-bit only features really.
>
> > [...] (adding -maccumulate-outgoing-args to x86 increases the text size, so I'm
> > not proposing adding the flag there).
>
> Please make jump labels configurable instead. (dependent on EMBEDDED)

Do you mean to have it dependent on !EMBEDDED, or perhaps
!CC_OPTIMIZE_FOR_SIZE ?

I can see people making a big stink about adding back a gcc option that
makes the kernel bigger.

-- Steve

>
> Also, could you please send the fix to me ASAP? We dont need confirmation and
> re-confirmation and testing, as this thing is crashing on me several times every
> single day ...
>
> I also know that 64-bit never crashed this way, nor did the 32-bit kernel with
> function tracer enabled - so -maccumulate-outgoing-args will likely fix it.
>
> Lets get the ball rolling so we can get it to Linus today ...





\
 
 \ /
  Last update: 2010-10-29 15:11    [from the cache]
©2003-2011 Jasper Spaans