From: "Madhavan T. Venkataraman" <madvenka@linux.microsoft.com>
To: Mark Brown <broonie@kernel.org>
Cc: mark.rutland@arm.com, jpoimboe@redhat.com, ardb@kernel.org,
jthierry@redhat.com, catalin.marinas@arm.com, will@kernel.org,
jmorris@namei.org, pasha.tatashin@soleen.com,
linux-arm-kernel@lists.infradead.org,
live-patching@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v4 2/2] arm64: Create a list of SYM_CODE functions, blacklist them in the unwinder
Date: Wed, 19 May 2021 21:00:15 -0500 [thread overview]
Message-ID: <2067fb27-34ba-8b7e-e6ef-505796316970@linux.microsoft.com> (raw)
In-Reply-To: <20210519192730.GI4224@sirena.org.uk>
Thanks a lot!
Madhavan
On 5/19/21 2:27 PM, Mark Brown wrote:
> On Sat, May 15, 2021 at 11:00:18PM -0500, madvenka@linux.microsoft.com wrote:
>> From: "Madhavan T. Venkataraman" <madvenka@linux.microsoft.com>
>>
>> The unwinder should check if the return PC falls in any function that
>> is considered unreliable from an unwinding perspective. If it does,
>> mark the stack trace unreliable.
>
> Other than the naming issue this makes sense to me, I'll try to go
> through the first patch properly in the next few days.
>
WARNING: multiple messages have this Message-ID (diff)
From: "Madhavan T. Venkataraman" <madvenka@linux.microsoft.com>
To: Mark Brown <broonie@kernel.org>
Cc: mark.rutland@arm.com, jpoimboe@redhat.com, ardb@kernel.org,
jthierry@redhat.com, catalin.marinas@arm.com, will@kernel.org,
jmorris@namei.org, pasha.tatashin@soleen.com,
linux-arm-kernel@lists.infradead.org,
live-patching@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v4 2/2] arm64: Create a list of SYM_CODE functions, blacklist them in the unwinder
Date: Wed, 19 May 2021 21:00:15 -0500 [thread overview]
Message-ID: <2067fb27-34ba-8b7e-e6ef-505796316970@linux.microsoft.com> (raw)
In-Reply-To: <20210519192730.GI4224@sirena.org.uk>
Thanks a lot!
Madhavan
On 5/19/21 2:27 PM, Mark Brown wrote:
> On Sat, May 15, 2021 at 11:00:18PM -0500, madvenka@linux.microsoft.com wrote:
>> From: "Madhavan T. Venkataraman" <madvenka@linux.microsoft.com>
>>
>> The unwinder should check if the return PC falls in any function that
>> is considered unreliable from an unwinding perspective. If it does,
>> mark the stack trace unreliable.
>
> Other than the naming issue this makes sense to me, I'll try to go
> through the first patch properly in the next few days.
>
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next prev parent reply other threads:[~2021-05-20 2:00 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <68eeda61b3e9579d65698a884b26c8632025e503>
2021-05-16 4:00 ` [RFC PATCH v4 0/2] arm64: Stack trace reliability checks in the unwinder madvenka
2021-05-16 4:00 ` madvenka
2021-05-16 4:00 ` [RFC PATCH v4 1/2] arm64: Introduce stack " madvenka
2021-05-16 4:00 ` madvenka
2021-05-21 16:11 ` Mark Brown
2021-05-21 16:11 ` Mark Brown
2021-05-21 17:23 ` Madhavan T. Venkataraman
2021-05-21 17:23 ` Madhavan T. Venkataraman
2021-05-21 17:42 ` Mark Brown
2021-05-21 17:42 ` Mark Brown
2021-05-21 17:47 ` Madhavan T. Venkataraman
2021-05-21 17:47 ` Madhavan T. Venkataraman
2021-05-21 17:53 ` Mark Brown
2021-05-21 17:53 ` Mark Brown
2021-05-21 18:48 ` Josh Poimboeuf
2021-05-21 18:48 ` Josh Poimboeuf
2021-05-21 18:59 ` Madhavan T. Venkataraman
2021-05-21 18:59 ` Madhavan T. Venkataraman
2021-05-21 19:11 ` Josh Poimboeuf
2021-05-21 19:11 ` Josh Poimboeuf
2021-05-21 19:16 ` Josh Poimboeuf
2021-05-21 19:16 ` Josh Poimboeuf
2021-05-21 19:41 ` Madhavan T. Venkataraman
2021-05-21 19:41 ` Madhavan T. Venkataraman
2021-05-21 20:08 ` Josh Poimboeuf
2021-05-21 20:08 ` Josh Poimboeuf
2021-05-25 21:44 ` Madhavan T. Venkataraman
2021-05-25 21:44 ` Madhavan T. Venkataraman
2021-05-16 4:00 ` [RFC PATCH v4 2/2] arm64: Create a list of SYM_CODE functions, blacklist them " madvenka
2021-05-16 4:00 ` madvenka
2021-05-19 2:06 ` nobuta.keiya
2021-05-19 2:06 ` nobuta.keiya
2021-05-19 3:38 ` Madhavan T. Venkataraman
2021-05-19 3:38 ` Madhavan T. Venkataraman
2021-05-19 19:27 ` Mark Brown
2021-05-19 19:27 ` Mark Brown
2021-05-20 2:00 ` Madhavan T. Venkataraman [this message]
2021-05-20 2:00 ` Madhavan T. Venkataraman
2021-05-21 17:18 ` [RFC PATCH v4 0/2] arm64: Stack trace reliability checks " Mark Brown
2021-05-21 17:18 ` Mark Brown
2021-05-21 17:32 ` Madhavan T. Venkataraman
2021-05-21 17:32 ` Madhavan T. Venkataraman
2021-05-21 17:47 ` Mark Brown
2021-05-21 17:47 ` Mark Brown
2021-05-21 17:48 ` Madhavan T. Venkataraman
2021-05-21 17:48 ` Madhavan T. Venkataraman
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