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From: Stephen Boyd <swboyd@chromium.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, Jiri Olsa <jolsa@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>, Jessica Yu <jeyu@kernel.org>,
	Evan Green <evgreen@chromium.org>,
	Hsin-Yi Wang <hsinyi@chromium.org>,
	Petr Mladek <pmladek@suse.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	linux-doc@vger.kernel.org, Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH v5 05/13] module: Add printk formats to add module build ID to stacktraces
Date: Mon, 26 Apr 2021 16:42:16 -0700	[thread overview]
Message-ID: <CAE-0n52Aq+hOXCJkDXBgNjVG=kP3yVMsc5czyi3R8SU=X362ug@mail.gmail.com> (raw)
In-Reply-To: <YILKpQ2KsBXCoHlG@smile.fi.intel.com>

Quoting Andy Shevchenko (2021-04-23 06:24:53)
> On Thu, Apr 22, 2021 at 04:46:40PM -0700, Stephen Boyd wrote:
> > Quoting Andy Shevchenko (2021-04-21 04:49:33)
> > > On Tue, Apr 20, 2021 at 02:49:55PM -0700, Stephen Boyd wrote:
>
> ...
>
> > > > Example:
> > >
> > > Please, shrink the example to leave only meaningful lines.
> > >
> > > Why, e.g., do we need to see register dump, is it somehow different?
> >
> > Can you format it how you would like to see it? Should it be a unified
> > diff? I agree it would help to see "what changed" but also don't know
> > what you want so opted to provide more information, not less. I was
> > worried about the questions like "do you change other parts of a splat?"
> > so I just put the whole thing there.
>
>
> Before:
>  ...line X...
>  ...
>  ...line Y...
>
> After:
>  ...line X'...
>  ...
>  ...line Y'...
>
> Three lines of example per each paragraph, in each of them the middle one is
> simply [...].

Ok got it. Thanks for clarifying.

>
> ...
>
> > > > +#ifdef CONFIG_STACKTRACE_BUILD_ID
> > > > +     /* Module build ID */
> > > > +     unsigned char build_id[BUILD_ID_SIZE_MAX];
> > >
> > > Is it really string of characters? Perhaps u8 will be more explicit.
> >
> > I'm just matching the build ID API that uses unsigned char. If you want
> > u8 then we should update more places. I could do that in a followup
> > patch, but this one is already sorta big.
>
> Unsigned char here is confusing. I would prefer a prerequisite patch to fix
> other places first.
>

Does anyone else want this to happen first? Andrew? I'm inclined to fix
this in a followup. As I said before, this would make this an even
bigger patch series which I'd like to avoid.

  parent reply	other threads:[~2021-04-26 23:42 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-20 21:49 [PATCH v5 00/13] Add build ID to stacktraces Stephen Boyd
2021-04-20 21:49 ` Stephen Boyd
2021-04-20 21:49 ` Stephen Boyd
2021-04-20 21:49 ` [PATCH v5 01/13] buildid: Only consider GNU notes for build ID parsing Stephen Boyd
2021-04-20 21:49 ` [PATCH v5 02/13] buildid: Add API to parse build ID out of buffer Stephen Boyd
2021-04-20 21:49 ` [PATCH v5 03/13] buildid: Stash away kernels build ID on init Stephen Boyd
2021-04-20 21:49   ` Stephen Boyd
2021-04-28 10:02   ` Baoquan He
2021-04-28 10:02     ` Baoquan He
2021-04-20 21:49 ` [PATCH v5 04/13] dump_stack: Add vmlinux build ID to stack traces Stephen Boyd
2021-04-26 11:04   ` Petr Mladek
2021-04-26 23:40     ` Stephen Boyd
2021-04-20 21:49 ` [PATCH v5 05/13] module: Add printk formats to add module build ID to stacktraces Stephen Boyd
2021-04-21 11:49   ` Andy Shevchenko
2021-04-22 23:46     ` Stephen Boyd
2021-04-23 13:24       ` Andy Shevchenko
2021-04-23 13:45         ` Rasmus Villemoes
2021-04-23 14:08           ` Andy Shevchenko
2021-04-26 23:42         ` Stephen Boyd [this message]
2021-04-20 21:49 ` [PATCH v5 06/13] arm64: stacktrace: Use %pSb for backtrace printing Stephen Boyd
2021-04-20 21:49   ` Stephen Boyd
2021-04-21  9:58   ` Catalin Marinas
2021-04-21  9:58     ` Catalin Marinas
2021-04-20 21:49 ` [PATCH v5 07/13] x86/dumpstack: Use %pSb/%pBb " Stephen Boyd
2021-04-20 21:49 ` [PATCH v5 08/13] scripts/decode_stacktrace.sh: Support debuginfod Stephen Boyd
2021-04-20 21:49 ` [PATCH v5 09/13] scripts/decode_stacktrace.sh: Silence stderr messages from addr2line/nm Stephen Boyd
2021-04-20 21:50 ` [PATCH v5 10/13] scripts/decode_stacktrace.sh: Indicate 'auto' can be used for base path Stephen Boyd
2021-04-20 21:50 ` [PATCH v5 11/13] buildid: Mark some arguments const Stephen Boyd
2021-04-20 21:50 ` [PATCH v5 12/13] buildid: Fix kernel-doc notation Stephen Boyd
2021-04-20 21:50 ` [PATCH v5 13/13] kdump: Use vmlinux_build_id to simplify Stephen Boyd
2021-04-20 21:50   ` Stephen Boyd
2021-04-28 10:13   ` Baoquan He
2021-04-28 10:13     ` Baoquan He
2021-04-28 23:14     ` Stephen Boyd
2021-04-28 23:14       ` Stephen Boyd
2021-05-07  3:54       ` Baoquan He
2021-05-07  3:54         ` Baoquan He
2021-05-07  4:04         ` Baoquan He
2021-05-07  4:04           ` Baoquan He

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