linux-kernel - Re: [PATCH v6 1/4] kexec: clean up arch_kexec_kernel_verify

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Date:   Mon, 18 Apr 2022 09:40:36 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Coiby Xu <coxu@...hat.com>
Cc:     kexec@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
        Michal Suchanek <msuchanek@...e.de>,
        Dave Young <dyoung@...hat.com>, Will Deacon <will@...nel.org>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        Mimi Zohar <zohar@...ux.ibm.com>, Chun-Yi Lee <jlee@...e.com>,
        stable@...nel.org, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 1/4] kexec: clean up arch_kexec_kernel_verify_sig

On 04/15/22 at 05:37pm, Coiby Xu wrote:
> On Thu, Apr 14, 2022 at 11:44:25AM +0800, Baoquan He wrote:
> > On 04/14/22 at 09:43am, Coiby Xu wrote:
> > > Currently there is no arch-specific implementation of
> > > arch_kexec_kernel_verify_sig. Even if we want to add an implementation
> > > for an architecture in the future, we can simply use "(struct
> > > kexec_file_ops*)->verify_sig". So clean it up.
> > > 
> > > Suggested-by: Eric W. Biederman <ebiederm@...ssion.com>
> > > Cc: stable@...nel.org
> > 
> > It should be not worth noticing stable kernel that a clean up patch need
> > be back ported.
> 
> Thanks for the suggestion! For the 2nd and 3rd patch, I'll add prerequisite
> info,
> 
> Cc: stable@...nel.org # 34d5960af253: kexec: clean up arch_kexec_kernel_verify_sig
> 
> and
> 
> Cc: stable@...nel.org # 34d5960af253: kexec: clean up arch_kexec_kernel_verify_sig
> Cc: stable@...nel.org # 83b7bb2d49ae: kexec, KEYS: make the code in bzImage64_verify_sig generic
> 
> respectively.

That sounds good, thx.