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Date:   Wed, 12 Apr 2023 15:15:33 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Josh Poimboeuf <jpoimboe@kernel.org>
Cc:     Qi Zheng <zhengqi.arch@bytedance.com>, keescook@chromium.org,
        dave.hansen@linux.intel.com, bp@alien8.de, mingo@redhat.com,
        tglx@linutronix.de, rostedt@goodmis.org, x86@kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] x86: make __get_wchan() use arch_stack_walk()
Message-ID: <20230412131533.GH628377@hirez.programming.kicks-ass.net>
References: <20230330081552.54178-1-zhengqi.arch@bytedance.com>
 <20230330081552.54178-3-zhengqi.arch@bytedance.com>
 <20230408050822.ezdbhc6j7zuvutrm@treble>
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On Fri, Apr 07, 2023 at 10:08:22PM -0700, Josh Poimboeuf wrote:
> On Thu, Mar 30, 2023 at 04:15:52PM +0800, Qi Zheng wrote:
> > Make __get_wchan() use arch_stack_walk() directly to
> > avoid open-coding of unwind logic.
> > 
> > Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
> 
> Can we just have a shared version of __get_wchan() for all
> CONFIG_ARCH_STACKWALK arches?

Didn't I do that a while back ? I can't seem to actually find the
patch-set though :/