From: Mark Brown <broonie@kernel.org>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: "Madhavan T. Venkataraman" <madvenka@linux.microsoft.com>,
Mark Rutland <mark.rutland@arm.com>,
jthierry@redhat.com, catalin.marinas@arm.com, will@kernel.org,
linux-arm-kernel@lists.infradead.org,
live-patching@vger.kernel.org, linux-kernel@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [RFC PATCH v2 0/4] arm64: Implement stack trace reliability checks
Date: Wed, 14 Apr 2021 13:24:05 +0100 [thread overview]
Message-ID: <20210414122405.GB4535@sirena.org.uk> (raw)
In-Reply-To: <20210413225310.k64wqjnst7cia4ft@treble>
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On Tue, Apr 13, 2021 at 05:53:10PM -0500, Josh Poimboeuf wrote:
> On Mon, Apr 12, 2021 at 05:59:33PM +0100, Mark Brown wrote:
> > Some more explict pointer to live patching as the only user would
> > definitely be good but I think the more important thing would be writing
> > down any assumptions in the API that aren't already written down and
> Something like so?
Yeah, looks reasonable - it'll need rebasing against current code as I
moved the docs in the source out of the arch code into the header this
cycle (they were copied verbatim in a couple of places).
> #ifdef CONFIG_ARCH_STACKWALK
>
> /**
> - * stack_trace_consume_fn - Callback for arch_stack_walk()
> + * stack_trace_consume_fn() - Callback for arch_stack_walk()
> * @cookie: Caller supplied pointer handed back by arch_stack_walk()
> * @addr: The stack entry address to consume
> *
> @@ -35,7 +35,7 @@ unsigned int stack_trace_save_user(unsigned long *store, unsigned int size);
> */
> typedef bool (*stack_trace_consume_fn)(void *cookie, unsigned long addr);
> /**
> - * arch_stack_walk - Architecture specific function to walk the stack
> + * arch_stack_walk() - Architecture specific function to walk the stack
> * @consume_entry: Callback which is invoked by the architecture code for
> * each entry.
> * @cookie: Caller supplied pointer which is handed back to
These two should be separated.
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next prev parent reply other threads:[~2021-04-14 12:24 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <705993ccb34a611c75cdae0a8cb1b40f9b218ebd>
2021-04-05 20:43 ` [RFC PATCH v2 0/4] arm64: Implement stack trace reliability checks madvenka
2021-04-05 20:43 ` [RFC PATCH v2 1/4] arm64: Implement infrastructure for " madvenka
2021-04-08 15:15 ` Mark Brown
2021-04-08 17:17 ` Mark Brown
2021-04-08 19:30 ` Madhavan T. Venkataraman
2021-04-08 23:30 ` Madhavan T. Venkataraman
2021-04-09 11:57 ` Mark Brown
2021-04-05 20:43 ` [RFC PATCH v2 2/4] arm64: Mark a stack trace unreliable if an EL1 exception frame is detected madvenka
2021-04-05 20:43 ` [RFC PATCH v2 3/4] arm64: Detect FTRACE cases that make the stack trace unreliable madvenka
2021-04-08 16:58 ` Mark Brown
2021-04-08 19:23 ` Madhavan T. Venkataraman
2021-04-09 11:31 ` Mark Brown
2021-04-09 14:02 ` Madhavan T. Venkataraman
2021-04-09 12:27 ` Mark Rutland
2021-04-09 17:23 ` Madhavan T. Venkataraman
2021-04-05 20:43 ` [RFC PATCH v2 4/4] arm64: Mark stack trace as unreliable if kretprobed functions are present madvenka
2021-04-09 12:09 ` [RFC PATCH v2 0/4] arm64: Implement stack trace reliability checks Mark Rutland
2021-04-09 17:16 ` Madhavan T. Venkataraman
2021-04-09 21:37 ` Josh Poimboeuf
2021-04-09 22:05 ` Madhavan T. Venkataraman
2021-04-09 22:32 ` Josh Poimboeuf
2021-04-09 22:53 ` Josh Poimboeuf
2021-04-11 17:54 ` Madhavan T. Venkataraman
2021-04-12 16:59 ` Mark Brown
2021-04-13 22:53 ` Josh Poimboeuf
2021-04-14 12:24 ` Mark Brown [this message]
2021-04-12 17:36 ` Mark Brown
2021-04-12 19:55 ` Madhavan T. Venkataraman
2021-04-13 11:02 ` Mark Brown
2021-04-14 10:23 ` Madhavan T. Venkataraman
2021-04-14 12:35 ` Mark Brown
2021-04-16 14:43 ` Madhavan T. Venkataraman
2021-04-16 15:36 ` Mark Brown
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