On Mon, 22 Jul 2013, Ingo Molnar wrote:

> > >>>> Hm, it does not build with the attached config:
> > >>>>
> > >>>> arch/x86/kernel/kprobes/opt.c: In function 'setup_optimize_kprobe':
> > >>>> arch/x86/kernel/kprobes/opt.c:394:6: error: dereferencing pointer to 
> > >>>> incomplete type
> > >>>> arch/x86/kernel/kprobes/opt.c:395:6: error: dereferencing pointer to 
> > >>>> incomplete type
> > >>>> arch/x86/kernel/kprobes/opt.c:396:6: error: dereferencing pointer to 
> > >>>> incomplete type
> > >>>
> > >>> 32-bit appears to be the key pattern.
> > >>
> > >> Ingo, please make sure your x86/jumplabel tree picked all of my patches.
> > >> This 3/3 strongly depends on the previous 1/3 and 2/3.
> > >> Without it, kprobes/opt.c can not be build because it still uses the
> > >> text_poke_params data structure which 3/3 removes.
> > > 
> > > Yes I know, and it was on top of -tip which already had these included:
> > > 
> > >  51b2c07b2226 x86: Make jump_label use int3-based patching
> > >  fd4363fff3d9 x86: Introduce int3 (breakpoint)-based instruction patching
> > > 
> > > without these the third patch wouldn't even apply I think.
> > 
> > No, I meant below two patches:
> >  kprobes/x86: Remove an incorrect comment about int3 in NMI/MCE
> >  kprobes/x86: Use text_poke_bp() instead of text_poke_smp*()
> > 
> > Since the "setup_optimize_kprobe" in the error message is completely
> > *removed* by the second one, the above error should not happen.
> 
> Oh, indeed - I correctly applied them but then messed up the 
> cherry-picking, that's all.
> 
> So never mind, it's all fine.

Hi Ingo,

x86/jumplabel branch still seems to contain only Masami's "kprobes/x86: 
Remove unused text_poke_smp() and text_poke_smp_batch() functions", with 
the the prerequisity patches missing, which effectively means it's broken 
... are you planning to fix that up, please?

Thanks,

-- 
Jiri Kosina
SUSE Labs
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