From: AKASHI Takahiro <takahiro.akashi@linaro.org> To: Steven Rostedt <rostedt@goodmis.org>, Jungseok Lee <jungseoklee85@gmail.com> Cc: Will Deacon <will.deacon@arm.com>, Mark Rutland <Mark.Rutland@arm.com>, Catalin Marinas <Catalin.Marinas@arm.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "broonie@kernel.org" <broonie@kernel.org>, "david.griego@linaro.org" <david.griego@linaro.org>, "olof@lixom.net" <olof@lixom.net>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: Re: [RFC 2/3] arm64: refactor save_stack_trace() Date: Tue, 04 Aug 2015 16:41:55 +0900 [thread overview] Message-ID: <55C06CC3.5090603@linaro.org> (raw) In-Reply-To: <20150803133220.46db9839@gandalf.local.home> On 08/04/2015 02:32 AM, Steven Rostedt wrote: > On Tue, 4 Aug 2015 02:22:16 +0900 > Jungseok Lee <jungseoklee85@gmail.com> wrote: > > >> It would be better to add the snippet when a new version is ready. >> That way might help to figure out easily why the macro is introduced and how >> it can be used in architecture code. > > > OK, which ever. I'm making best efforts to fix the problem, but it seems to me that the current check_stack() doesn't fit to arm64 due to the differences in stack frame usage on architectures. Although my current patch doesn't solve all the issues I've noticed so far, I'd like to get any comments about whether I'm doing it the right way. Please take a look at my new vesion (v2) of RFC. Thanks, -Takahiro AKASHI > -- Steve >
WARNING: multiple messages have this Message-ID (diff)
From: takahiro.akashi@linaro.org (AKASHI Takahiro) To: linux-arm-kernel@lists.infradead.org Subject: [RFC 2/3] arm64: refactor save_stack_trace() Date: Tue, 04 Aug 2015 16:41:55 +0900 [thread overview] Message-ID: <55C06CC3.5090603@linaro.org> (raw) In-Reply-To: <20150803133220.46db9839@gandalf.local.home> On 08/04/2015 02:32 AM, Steven Rostedt wrote: > On Tue, 4 Aug 2015 02:22:16 +0900 > Jungseok Lee <jungseoklee85@gmail.com> wrote: > > >> It would be better to add the snippet when a new version is ready. >> That way might help to figure out easily why the macro is introduced and how >> it can be used in architecture code. > > > OK, which ever. I'm making best efforts to fix the problem, but it seems to me that the current check_stack() doesn't fit to arm64 due to the differences in stack frame usage on architectures. Although my current patch doesn't solve all the issues I've noticed so far, I'd like to get any comments about whether I'm doing it the right way. Please take a look at my new vesion (v2) of RFC. Thanks, -Takahiro AKASHI > -- Steve >
next prev parent reply other threads:[~2015-08-04 7:42 UTC|newest] Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-07-13 5:29 [RFC 0/3] arm64: ftrace: fix incorrect output from stack tracer AKASHI Takahiro 2015-07-13 5:29 ` AKASHI Takahiro 2015-07-13 5:29 ` [RFC 1/3] ftrace: adjust a function's pc to search for in check_stack() for arm64 AKASHI Takahiro 2015-07-13 5:29 ` AKASHI Takahiro 2015-07-13 15:24 ` Steven Rostedt 2015-07-13 15:24 ` Steven Rostedt 2015-07-15 0:22 ` AKASHI Takahiro 2015-07-15 0:22 ` AKASHI Takahiro 2015-07-13 5:29 ` [RFC 2/3] arm64: refactor save_stack_trace() AKASHI Takahiro 2015-07-13 5:29 ` AKASHI Takahiro 2015-07-14 12:47 ` Jungseok Lee 2015-07-14 12:47 ` Jungseok Lee 2015-07-14 13:31 ` Steven Rostedt 2015-07-14 13:31 ` Steven Rostedt 2015-07-15 0:20 ` AKASHI Takahiro 2015-07-15 0:20 ` AKASHI Takahiro 2015-07-15 2:51 ` Steven Rostedt 2015-07-15 2:51 ` Steven Rostedt 2015-07-15 11:41 ` AKASHI Takahiro 2015-07-15 11:41 ` AKASHI Takahiro 2015-07-15 14:55 ` Steven Rostedt 2015-07-15 14:55 ` Steven Rostedt 2015-07-15 16:13 ` Steven Rostedt 2015-07-15 16:13 ` Steven Rostedt 2015-07-16 0:27 ` AKASHI Takahiro 2015-07-16 0:27 ` AKASHI Takahiro 2015-07-16 1:08 ` AKASHI Takahiro 2015-07-16 1:08 ` AKASHI Takahiro 2015-07-16 1:38 ` Steven Rostedt 2015-07-16 1:38 ` Steven Rostedt 2015-07-17 10:46 ` Will Deacon 2015-07-17 10:46 ` Will Deacon 2015-07-16 13:29 ` Jungseok Lee 2015-07-16 13:29 ` Jungseok Lee 2015-07-16 13:54 ` Jungseok Lee 2015-07-16 13:54 ` Jungseok Lee 2015-07-16 14:24 ` Steven Rostedt 2015-07-16 14:24 ` Steven Rostedt 2015-07-16 15:01 ` Jungseok Lee 2015-07-16 15:01 ` Jungseok Lee 2015-07-16 15:31 ` Steven Rostedt 2015-07-16 15:31 ` Steven Rostedt 2015-07-16 15:52 ` Jungseok Lee 2015-07-16 15:52 ` Jungseok Lee 2015-07-16 20:22 ` Steven Rostedt 2015-07-16 20:22 ` Steven Rostedt 2015-07-17 2:49 ` AKASHI Takahiro 2015-07-17 2:49 ` AKASHI Takahiro 2015-07-17 3:21 ` Steven Rostedt 2015-07-17 3:21 ` Steven Rostedt 2015-07-16 16:16 ` Steven Rostedt 2015-07-16 16:16 ` Steven Rostedt 2015-07-17 12:40 ` Mark Rutland 2015-07-17 12:40 ` Mark Rutland 2015-07-17 12:51 ` Steven Rostedt 2015-07-17 12:51 ` Steven Rostedt 2015-07-17 13:00 ` Steven Rostedt 2015-07-17 13:00 ` Steven Rostedt 2015-07-17 14:28 ` Jungseok Lee 2015-07-17 14:28 ` Jungseok Lee 2015-07-17 14:41 ` Steven Rostedt 2015-07-17 14:41 ` Steven Rostedt 2015-07-17 14:59 ` Jungseok Lee 2015-07-17 14:59 ` Jungseok Lee 2015-07-17 15:34 ` Jungseok Lee 2015-07-17 15:34 ` Jungseok Lee 2015-07-17 16:01 ` Steven Rostedt 2015-07-17 16:01 ` Steven Rostedt 2015-07-20 16:20 ` Will Deacon 2015-07-20 16:20 ` Will Deacon 2015-07-20 23:53 ` AKASHI Takahiro 2015-07-20 23:53 ` AKASHI Takahiro 2015-07-21 10:26 ` AKASHI Takahiro 2015-07-21 10:26 ` AKASHI Takahiro 2015-07-21 14:34 ` Jungseok Lee 2015-07-21 14:34 ` Jungseok Lee 2015-08-03 9:09 ` Will Deacon 2015-08-03 9:09 ` Will Deacon 2015-08-03 14:01 ` Steven Rostedt 2015-08-03 14:01 ` Steven Rostedt 2015-08-03 14:04 ` Will Deacon 2015-08-03 14:04 ` Will Deacon 2015-08-03 16:30 ` Jungseok Lee 2015-08-03 16:30 ` Jungseok Lee 2015-08-03 16:57 ` Steven Rostedt 2015-08-03 16:57 ` Steven Rostedt 2015-08-03 17:22 ` Jungseok Lee 2015-08-03 17:22 ` Jungseok Lee 2015-08-03 17:32 ` Steven Rostedt 2015-08-03 17:32 ` Steven Rostedt 2015-08-04 7:41 ` AKASHI Takahiro [this message] 2015-08-04 7:41 ` AKASHI Takahiro 2015-07-17 2:04 ` AKASHI Takahiro 2015-07-17 2:04 ` AKASHI Takahiro 2015-07-17 14:38 ` Jungseok Lee 2015-07-17 14:38 ` Jungseok Lee 2015-07-16 14:28 ` Mark Rutland 2015-07-16 14:28 ` Mark Rutland 2015-07-16 14:34 ` Steven Rostedt 2015-07-16 14:34 ` Steven Rostedt 2015-07-17 2:09 ` AKASHI Takahiro 2015-07-17 2:09 ` AKASHI Takahiro 2015-07-13 5:29 ` [RFC 3/3] arm64: ftrace: mcount() should not create a stack frame AKASHI Takahiro 2015-07-13 5:29 ` AKASHI Takahiro 2015-07-13 15:01 ` [RFC 0/3] arm64: ftrace: fix incorrect output from stack tracer Jungseok Lee 2015-07-13 15:01 ` Jungseok Lee
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