From: takahiro.akashi@linaro.org (AKASHI Takahiro)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 2/6] arm64: pass a task parameter to unwind_frame()
Date: Wed, 25 Nov 2015 13:39:36 +0900 [thread overview]
Message-ID: <56553B88.6090507@linaro.org> (raw)
In-Reply-To: <70D4F7ED-B4CF-4AC0-B85A-2491786847FC@gmail.com>
On 11/24/2015 10:42 PM, Jungseok Lee wrote:
> On Nov 18, 2015, at 3:43 PM, AKASHI Takahiro wrote:
>> The change here doesn't make any difference in this patch, but is
>> a preparation for later fixing a problem where stacktrace functions,
>> unwind_frame() and walk_stackframe(), may return useless call stacks
>> under function graph tracer.
>
> I'm aligned with the argument. The case cannot be handled correctly
> without ret_stack[] of struct task_struct.
Thanks. I will add some description about why we need 'tsk' in a commit message.
-Takahiro AKASHI
> Best Regards
> Jungseok Lee
>
next prev parent reply other threads:[~2015-11-25 4:39 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-18 6:43 [PATCH v6 0/6] arm64: ftrace: fix incorrect output from stack tracer AKASHI Takahiro
2015-11-18 6:43 ` [PATCH v6 1/6] arm64: ftrace: modify a stack frame in a safe way AKASHI Takahiro
2015-11-24 14:22 ` Jungseok Lee
2015-11-18 6:43 ` [PATCH v6 2/6] arm64: pass a task parameter to unwind_frame() AKASHI Takahiro
2015-11-24 13:42 ` Jungseok Lee
2015-11-25 4:39 ` AKASHI Takahiro [this message]
2015-12-02 13:22 ` Will Deacon
2015-12-02 15:33 ` Jungseok Lee
2015-12-10 6:33 ` AKASHI Takahiro
2015-11-18 6:43 ` [PATCH v6 3/6] arm64: ftrace: fix a stack tracer's output under function graph tracer AKASHI Takahiro
2015-11-24 13:37 ` Jungseok Lee
2015-11-25 5:29 ` AKASHI Takahiro
2015-11-25 11:48 ` Jungseok Lee
2015-11-26 3:05 ` AKASHI Takahiro
2015-11-26 14:05 ` Jungseok Lee
2015-11-18 6:43 ` [PATCH v6 4/6] arm64: insn: add instruction decoders for ldp/stp and add/sub AKASHI Takahiro
2015-12-08 18:15 ` Will Deacon
2015-12-08 23:17 ` Jungseok Lee
2015-12-10 7:10 ` AKASHI Takahiro
2015-11-18 6:43 ` [PATCH v6 5/6] arm64: ftrace: add arch-specific stack tracer AKASHI Takahiro
2015-11-18 6:43 ` [PATCH v6 6/6] arm64: ftrace: add a test of function prologue analyzer AKASHI Takahiro
2015-11-24 13:50 ` Jungseok Lee
2015-11-25 5:33 ` AKASHI Takahiro
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