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Re: [PATCH 2/7] kprobes: Add kprobe_insn_mutex and cleanup arch_remove_kprobe()
- From: Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>
- To: Masami Hiramatsu <mhiramat at redhat dot com>
- Cc: Andrew Morton <akpm at linux-foundation dot org>, Jim Keniston <jkenisto at us dot ibm dot com>, David Miller <davem at davemloft dot net>, LKML <linux-kernel at vger dot kernel dot org>, systemtap-ml <systemtap at sources dot redhat dot com>, Rusty Russell <rusty at rustcorp dot com dot au>
- Date: Wed, 12 Nov 2008 21:25:29 +0530
- Subject: Re: [PATCH 2/7] kprobes: Add kprobe_insn_mutex and cleanup arch_remove_kprobe()
- References: <4919F175.2050009@redhat.com>
- Reply-to: ananth at in dot ibm dot com
On Tue, Nov 11, 2008 at 03:56:21PM -0500, Masami Hiramatsu wrote:
> Add kprobe_insn_mutex for protecting kprobe_insn_pages hlist, and remove
> kprobe_mutex from architecture dependent code.
>
> This allows us to call arch_remove_kprobe() (and free_insn_slot) while holding
> kprobe_mutex.
>
> Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>