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Message-Id: <20081113162128.28e508ca.akpm@linux-foundation.org> Date: Thu, 13 Nov 2008 16:21:28 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Masami Hiramatsu <mhiramat@...hat.com> Cc: ananth@...ibm.com, jkenisto@...ibm.com, davem@...emloft.net, linux-kernel@...r.kernel.org, systemtap@...rces.redhat.com, rusty@...tcorp.com.au Subject: Re: [PATCH 2/7] kprobes: Add kprobe_insn_mutex and cleanup arch_remove_kprobe() On Tue, 11 Nov 2008 15:56:21 -0500 Masami Hiramatsu <mhiramat@...hat.com> 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@...hat.com> > --- > arch/arm/kernel/kprobes.c | 2 -- > arch/ia64/kernel/kprobes.c | 8 +++++--- > arch/powerpc/kernel/kprobes.c | 7 ++++--- > arch/s390/kernel/kprobes.c | 7 ++++--- > arch/x86/kernel/kprobes.c | 7 ++++--- > include/linux/kprobes.h | 1 - > kernel/kprobes.c | 25 +++++++++++++++++++++---- For some reasons sparc64 never had this mutex. You've checked that sparc64 will be OK after this change? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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