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Date: Wed, 1 Nov 2017 09:48:58 +0800 From: zhouchengming <zhouchengming1@...wei.com> To: Steven Rostedt <rostedt@...dmis.org> CC: Masami Hiramatsu <mhiramat@...nel.org>, Ingo Molnar <mingo@...hat.com>, <ananth@...ux.vnet.ibm.com>, <anil.s.keshavamurthy@...el.com>, <davem@...emloft.net>, <hpa@...or.com>, <tglx@...utronix.de>, <bp@...e.de>, <peterz@...radead.org>, <jkosina@...e.cz>, <mjurczyk@...gle.com>, <x86@...nel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] kprobes, x86/alternatives: use text_mutex to protect smp_alt_modules On 2017/11/1 5:59, Steven Rostedt wrote: > On Mon, 30 Oct 2017 17:03:23 +0900 > Masami Hiramatsu<mhiramat@...nel.org> wrote: > >>> static LIST_HEAD(smp_alt_modules); >>> -static DEFINE_MUTEX(smp_alt); >>> -static bool uniproc_patched = false; /* protected by smp_alt */ >>> +static bool uniproc_patched = false; /* protected by text_mutex */ > We should also add a comment somewhere by the text_mutex that it is > protecting this on x86. Good, I will send a patch-v2 adding this comment. Thanks! > -- Steve > > . >
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