Re: [PATCH v3 1/2] arm64: Implement arch_stack_walk_reliable

Josh Poimboeuf <[email protected]>
Newsgroups org.kernel.vger.linux-toolchains,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.live-patching
Message-ID <etrj2xdtc6djnwtwlghymlu4c3gg5wnyg3qqfdiod4g6hjgzzi@yxj6no3stqjv> 
On Thu, Mar 20, 2025 at 10:15:58AM -0700, Song Liu wrote:
> With proper exception boundary detection, it is possible to implment
> arch_stack_walk_reliable without sframe.
> 
> Note that, arch_stack_walk_reliable does not guarantee getting reliable
> stack in all scenarios. Instead, it can reliably detect when the stack
> trace is not reliable, which is enough to provide reliable livepatching.
> 
> Signed-off-by: Song Liu <[email protected]>

Reviewed-by: Josh Poimboeuf <[email protected]>

-- 
Josh
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