Re: [PATCH 1/5] ptrace/x86: Revert "hw_breakpoints: Fix racy accessto ptrace breakpoints"

[Frederic Weisbecker]

On Sun, Apr 14, 2013 at 06:05:26PM +0200, Oleg Nesterov wrote:
> This reverts commit 87dc669ba25777b67796d7262c569429e58b1ed4.
> 
> The patch was fine but we can no longer race with SIGKILL after
> 9899d11f "ptrace: ensure arch_ptrace/ptrace_request can never race
> with SIGKILL", the __TASK_TRACED tracee can't be woken up and
> ->ptrace_bps[] can't go away.
> 
> The patch only removes ptrace_get_breakpoints/ptrace_put_breakpoints
> and does a couple of "while at it" cleanups, it doesn't remove other
> changes from the reverted commit.
> 
> Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>

Thanks a lot for removing that horrid cruft!
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