lkml.org 
[lkml]   [2010]   [Oct]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] tracing: Cleanup the convoluted softirq tracepoints
On Tue, 19 Oct 2010, Thomas Gleixner wrote:
> On Tue, 19 Oct 2010, Jason Baron wrote:
> > > Now even worse, when you NOP out the jmpq then your tracepoint is
> > > still not enabled. Brilliant !
> > >
> >
> > The 'jmpq' in the enabled case is patched with a jmpq to the body of the
> > tracepoint itself.
>
> Brilliant.

IOW, We now jump around the jump which jumps around the disabled code.

Thanks,

tglx



\
 
 \ /
  Last update: 2010-10-20 00:21    [W:0.229 / U:0.024 seconds]
©2003-2014 Jasper Spaans. hosted at Digital Ocean