linux-kernel - Re: [GIT PULL] arm64 fixes for 6.13-rc3

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Message-ID: <Z2BAQEuXJg01qWDp@lappy>
Date: Mon, 16 Dec 2024 09:59:12 -0500
From: Sasha Levin <sashal@...nel.org>
To: Mark Rutland <mark.rutland@....com>
Cc: Catalin Marinas <catalin.marinas@....com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Will Deacon <will@...nel.org>, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] arm64 fixes for 6.13-rc3

On Mon, Dec 16, 2024 at 10:02:34AM +0000, Mark Rutland wrote:
>On Sun, Dec 15, 2024 at 12:06:19PM -0500, Sasha Levin wrote:
>> On Fri, Dec 13, 2024 at 05:41:38PM +0000, Catalin Marinas wrote:
>> > - arm64 stacktrace: address some fallout from the recent changes to
>> >  unwinding across exception boundaries
>>
>> Hi Catalin, Mark,
>>
>> It seems that kselftests can hit a warning that was addressed in the
>> commit above:
>
>I assume you're referring to commit:
>
>  32ed1205682ec42a ("arm64: stacktrace: Skip reporting LR at exception boundaries")
>
>... ?

I was actually thinking 65ac33bed8b9 ("arm64: stacktrace: Don't WARN
when unwinding other tasks"), sorry for the confusion

>That was intended to fix this specific issue, as explained in the commit
>message (with a very similar splat from running the ftrace kselftests).
>
>Am I missing something? i.e. are you saying it *doesn't* fix that?

Right - LKFT is able to trigger the warning I copied on Linus's tree.

-- 
Thanks,
Sasha