[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
On 10/29/2010 10:33 AM, Steven Rostedt wrote:
> On Fri, 2010-10-29 at 10:18 -0700, David Daney wrote:
>> I hate to continue beating a dead horse, but RTH just committed the GCC
>> patch, and it will be part of GCC-4.5.2 and later.
> Great!
>> Should this knowledge be builtin to the jump label enabling calculus?
> No, because we can't trust versions. We never know what home grown gcc a
> kernel developer is using (and what has been backported or not). Thus
> the only option is to have a builtin test we can do at compile time to
> determine if the bug exists or not and decide then.

The test case is in the GCC bug report, and is quite small:

Perhaps it could be integrated with the current checks for the presence
of 'asm goto'

> Note, I'm currently running my last set of patches through ktest. When
> it finishes (presumably with no issues), I'll post a pull request.
> -- Steve

 \ /
  Last update: 2010-10-29 19:51    [W:0.090 / U:1.476 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site