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From: Peter Zijlstra <peterz@infradead.org>
To: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND] x86/process: directly use try_get_task_stack() return value in get_wchan
Date: Thu, 30 Sep 2021 13:10:39 +0200	[thread overview]
Message-ID: <YVWbL1TbfuxnznxV@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20210930185229.09d463ab@xhacker.debian>

On Thu, Sep 30, 2021 at 06:52:29PM +0800, Jisheng Zhang wrote:
> try_get_task_stack() has already properly gets target task's stack,
> no need to call task_stack_page() again.

Please see:

  https://lkml.kernel.org/r/20210929220218.691419-1-keescook@chromium.org

Whichever way around, this code doesn't live much longer.

      reply	other threads:[~2021-09-30 11:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-30 10:52 Jisheng Zhang
2021-09-30 11:10 ` Peter Zijlstra [this message]

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