linux-kernel - Re: [PATCH 0/2] powerpc: Fix livepatch module re-patching issue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 27 Jan 2023 08:48:06 -0500
From:   Joe Lawrence <joe.lawrence@...hat.com>
To:     Josh Poimboeuf <jpoimboe@...nel.org>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        live-patching@...r.kernel.org, Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Song Liu <song@...nel.org>
Subject: Re: [PATCH 0/2] powerpc: Fix livepatch module re-patching issue

On Tue, Jan 24, 2023 at 07:38:03PM -0800, Josh Poimboeuf wrote:
> Fix a livepatch bug seen when reloading a patched module.
> 
> This is the powerpc counterpart to Song Liu's fix for a similar issue on
> x86:
> 
>   https://lkml.kernel.org/lkml/20230121004945.697003-2-song@kernel.org
> 
> Josh Poimboeuf (2):
>   powerpc/module_64: Improve restore_r2() return semantics
>   powerpc/module_64: Fix "expected nop" error on module re-patching
> 
>  arch/powerpc/kernel/module_64.c | 29 ++++++++++++++++++-----------
>  1 file changed, 18 insertions(+), 11 deletions(-)
> 
> -- 
> 2.39.0
> 

For the series,

Reviewed-and-tested-by: Joe Lawrence <joe.lawrence@...hat.com>

--
Joe