Re: [PATCH 0/8] unwind, arm64: add sframe unwinder for kernel

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On Mon, Feb 17, 2025 at 08:38:22PM -0800, Song Liu wrote:
> On Fri, Feb 14, 2025 at 3:23 PM Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
> > Poking around the arm64 module code, arch/arm64/kernel/module-plts.c
> > is looking at all the relocations in order to set up the PLT.  That also
> > needs to be done for klp relas, or are your patches already doing that?
> 
> I don't think either version (this set and my RFC) added logic for PLT.
> There is some rela logic on the kpatch-build side. But I am not sure
> whether it is sufficient.

The klp relas looked ok.  I didn't see any signs of kpatch-build doing
anything wrong.  AFAICT the problem is that module-plts.c creates PLT
entries for regular relas but not klp relas.

-- 
Josh




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