linux-kernel - Re: [PATCH 0/7] Make check implementation arch agnostic

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Date:   Wed, 10 Jun 2020 15:20:46 +0200 (CEST)
From:   Miroslav Benes <mbenes@...e.cz>
To:     Julien Thierry <jthierry@...hat.com>
cc:     linux-kernel@...r.kernel.org, jpoimboe@...hat.com,
        peterz@...radead.org, raphael.gault@....com
Subject: Re: [PATCH 0/7] Make check implementation arch agnostic

On Mon, 8 Jun 2020, Julien Thierry wrote:

> Hi,
> 
> The current implementation of the check subcommand has various x86 bits
> here and there. In order to prepare objtool to provide check for other
> architectures, add some abstraction over the x86 specific bits, relying
> on objtool arch specific code to provide some necessary operations.
> 
> This is part of the effort to implement check for arm64, initiated [1]
> by Raphael. The series is based on top of the separation of check & orc
> subcommands series[2].
> 
> I've push both series base on top of tip/objtool/core at [3].
> 
> - The first two patches make it simpler for new arches to provide their
> list of kernel headers, without worrying about modifications in the x86
> headers.
> - Patch 3 Moves arch specific macros to more suitable location
> - Patches 4 and 5 add abstraction to handle alternatives
> - Patch 6 adds abstraction to handle jump table
> - Patch 7 abstracts the use of unwind hints. Adding it as RFC as I'm sure
>   there's room for improvement.

Reviewed-by: Miroslav Benes <mbenes@...e.cz>

for patches 1-6.

M