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From: Mark Brown <broonie@kernel.org>
To: "Madhavan T. Venkataraman" <madvenka@linux.microsoft.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	jpoimboe@redhat.com, ardb@kernel.org, nobuta.keiya@fujitsu.com,
	sjitindarsingh@gmail.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 v8 1/4] arm64: Make all stack walking functions use arch_stack_walk()
Date: Tue, 24 Aug 2021 18:38:50 +0100	[thread overview]
Message-ID: <20210824173850.GN4393@sirena.org.uk> (raw)
In-Reply-To: <da2bb980-09c3-5a39-73cd-ca4de4c38d51@linux.microsoft.com>

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On Tue, Aug 24, 2021 at 12:21:28PM -0500, Madhavan T. Venkataraman wrote:
> On 8/24/21 8:13 AM, Mark Rutland wrote:
> > On Thu, Aug 12, 2021 at 02:06:00PM -0500, madvenka@linux.microsoft.com wrote:

> > Note that arch_stack_walk() depends on CONFIG_STACKTRACE (which is not in
> > defconfig), so we'll need to reorganise things such that it's always defined,
> > or factor out the core of that function and add a wrapper such that we
> > can always use it.

> I will include CONFIG_STACKTRACE in defconfig, if that is OK with you and
> Mark Brown.

That might be separately useful but it doesn't address the issue, if
something is optional we need to handle the case where that option is
disabled.  It'll need to be one of the two options Mark Rutland
mentioned above.

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  parent reply	other threads:[~2021-08-24 17:41 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <b45aac2843f16ca759e065ea547ab0afff8c0f01>
2021-08-12 19:05 ` [RFC PATCH v8 0/4] arm64: Reorganize the unwinder and implement stack trace reliability checks madvenka
2021-08-12 19:06   ` [RFC PATCH v8 1/4] arm64: Make all stack walking functions use arch_stack_walk() madvenka
2021-08-24 13:13     ` Mark Rutland
2021-08-24 17:21       ` Madhavan T. Venkataraman
2021-08-24 17:38         ` Madhavan T. Venkataraman
2021-08-24 17:38         ` Mark Brown [this message]
2021-08-24 17:40           ` Madhavan T. Venkataraman
2021-08-26  4:52       ` Madhavan T. Venkataraman
2021-10-09 23:41       ` Madhavan T. Venkataraman
2021-08-12 19:06   ` [RFC PATCH v8 2/4] arm64: Reorganize the unwinder code for better consistency and maintenance madvenka
2021-08-26 15:46     ` Mark Brown
2021-08-26 23:19       ` Madhavan T. Venkataraman
2021-09-01 16:20         ` Mark Brown
2021-09-02  7:10           ` Madhavan T. Venkataraman
2021-08-12 19:06   ` [RFC PATCH v8 3/4] arm64: Introduce stack trace reliability checks in the unwinder madvenka
2021-08-24  5:55     ` nobuta.keiya
2021-08-24 12:19       ` Madhavan T. Venkataraman
2021-08-25  0:01         ` nobuta.keiya
2021-08-26 15:57     ` Mark Brown
2021-08-26 23:31       ` Madhavan T. Venkataraman
2021-08-12 19:06   ` [RFC PATCH v8 4/4] arm64: Create a list of SYM_CODE functions, check return PC against list madvenka
2021-08-12 19:17   ` [RFC PATCH v8 0/4] arm64: Reorganize the unwinder and implement stack trace reliability checks Madhavan T. Venkataraman

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