Re: [PATCH 0/5] hw_breakpoints: Fix racy ptrace breakpointacccesses

[Frederic Weisbecker]

On Fri, Apr 08, 2011 at 07:34:22PM +0200, Frederic Weisbecker wrote:
> I should have fixed that a few month ago but got sidetracked.
> Please have a look at this. x86 and powerpc already had support
> for breakpoints before so it fixes a regression there (cf stable tag)
> For the others it only a fix.
> 
> Other archs than x86 have been only compile tested.
> 
> Thanks.
> 
> Frederic Weisbecker (5):
>   ptrace: Prepare to fix racy accesses on task breakpoints
>   x86, hw_breakpoints: Fix racy access to ptrace breakpoints
>   powerpc, hw_breakpoints: Fix racy access to ptrace breakpoints
>   arm, hw_breakpoints: Fix racy access to ptrace breakpoints
>   sh, hw_breakpoints: Fix racy access to ptrace breakpoints

Thanks a lot guys for your acks. I'm reposting with these
and pushing for Ingo.

> 
>  arch/arm/kernel/ptrace.c     |    8 ++++++++
>  arch/powerpc/kernel/ptrace.c |    3 +++
>  arch/sh/kernel/ptrace_32.c   |    4 ++++
>  arch/x86/kernel/ptrace.c     |   36 ++++++++++++++++++++++++++----------
>  include/linux/ptrace.h       |   13 ++++++++++++-
>  include/linux/sched.h        |    3 +++
>  kernel/exit.c                |    2 +-
>  kernel/ptrace.c              |   17 +++++++++++++++++
>  8 files changed, 74 insertions(+), 12 deletions(-)
> 
> -- 
> 1.7.3.2
> 
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