From: Mark Brown <broonie@kernel.org>
To: madvenka@linux.microsoft.com
Cc: mark.rutland@arm.com, jpoimboe@redhat.com, ardb@kernel.org,
nobuta.keiya@fujitsu.com, catalin.marinas@arm.com,
will@kernel.org, jmorris@namei.org, pasha.tatashin@soleen.com,
jthierry@redhat.com, linux-arm-kernel@lists.infradead.org,
live-patching@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v5 2/2] arm64: Create a list of SYM_CODE functions, check return PC against list
Date: Fri, 4 Jun 2021 17:59:45 +0100 [thread overview]
Message-ID: <20210604165945.GA39381@sirena.org.uk> (raw)
In-Reply-To: <20210526214917.20099-3-madvenka@linux.microsoft.com>
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On Wed, May 26, 2021 at 04:49:17PM -0500, madvenka@linux.microsoft.com wrote:
> + * - return_to_handler() is handled by the unwinder by attempting to
> + * retrieve the original return address from the per-task return
> + * address stack.
> + *
> + * - kretprobe_trampoline() can be handled in a similar fashion by
> + * attempting to retrieve the original return address from the per-task
> + * kretprobe instance list.
> + *
> + * - I reckon optprobes can be handled in a similar fashion in the future?
Note that there's a patch for optprobes on the list now:
https://lore.kernel.org/r/1622803839-27354-1-git-send-email-liuqi115@huawei.com
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next prev parent reply other threads:[~2021-06-04 16:59 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <ea0ef9ed6eb34618bcf468fbbf8bdba99e15df7d>
2021-05-26 21:49 ` [RFC PATCH v5 0/2] arm64: Implement stack trace reliability checks madvenka
2021-05-26 21:49 ` [RFC PATCH v5 1/2] arm64: Introduce stack trace reliability checks in the unwinder madvenka
2021-06-24 14:40 ` Mark Rutland
2021-06-24 16:03 ` Mark Brown
2021-06-25 15:39 ` Madhavan T. Venkataraman
2021-06-25 15:51 ` Mark Brown
2021-06-25 17:05 ` Madhavan T. Venkataraman
2021-06-25 17:18 ` Madhavan T. Venkataraman
2021-06-26 15:35 ` Madhavan T. Venkataraman
2021-06-29 16:47 ` Josh Poimboeuf
2021-05-26 21:49 ` [RFC PATCH v5 2/2] arm64: Create a list of SYM_CODE functions, check return PC against list madvenka
2021-06-04 16:24 ` Mark Brown
2021-06-04 20:38 ` Madhavan T. Venkataraman
2021-06-04 16:59 ` Mark Brown [this message]
2021-06-04 20:40 ` Madhavan T. Venkataraman
2021-06-16 1:52 ` Suraj Jitindar Singh
2021-06-16 9:15 ` nobuta.keiya
2021-06-16 11:10 ` Madhavan T. Venkataraman
2021-06-04 15:29 ` [RFC PATCH v5 0/2] arm64: Implement stack trace reliability checks Mark Brown
2021-06-04 20:44 ` Madhavan T. Venkataraman
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