linux-kernel - Re: [PATCH v6 0/2] arm64: kdump: simplify the reservation behaviour of crashkernel=,high

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Date:   Sun, 11 Jun 2023 15:31:36 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Baoquan He <bhe@...hat.com>
Cc:     linux-kernel@...r.kernel.org, Will Deacon <will@...nel.org>,
        horms@...nel.org, thunder.leizhen@...wei.com,
        John.p.donnelly@...cle.com, kexec@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v6 0/2] arm64: kdump: simplify the reservation behaviour
 of crashkernel=,high

On Sun, Jun 11, 2023 at 08:15:07PM +0800, Baoquan He wrote:
> On 06/09/23 at 08:30pm, Catalin Marinas wrote:
> > On Mon, 15 May 2023 14:02:57 +0800, Baoquan He wrote:
> > > In v5 patch, Catalin helped review and acked the patch. However, an
> > > uninitialized local varilable is warned out by static checker when Will
> > > tried to merge the patch. And Will complained the code flow in
> > > reserve_crashkernel() is hard to follow, required to refactor. While
> > > when I tried to do the refactory, I feel it's not easy, the existing
> > > several cases causes that.
> > > 
> > > [...]
> > 
> > Applied to arm64 (for-next/kdump).
> > 
> > I reworte some of the paragraphs in the documentation patch, removed
> > some sentences to make it easier to read (some details were pretty
> > obvious). Please have a look, if you think I missed something important,
> > just send a patch on top. Thanks.
> > 
> > [1/2] arm64: kdump: simplify the reservation behaviour of crashkernel=,high
> >       https://git.kernel.org/arm64/c/6c4dcaddbd36
> > [2/2] Documentation: add kdump.rst to present crashkernel reservation on arm64
> >       https://git.kernel.org/arm64/c/03dc0e05407f
> 
> Could you help add below code change into the document patch commit? I
> forgot adding it and got warning report from lkp test robot.
> 
> https://lore.kernel.org/oe-kbuild-all/202306110549.ynH2Juok-lkp@intel.com/
> 
> diff --git a/Documentation/arm64/index.rst b/Documentation/arm64/index.rst
> index ae21f8118830..dcfebddb6088 100644
> --- a/Documentation/arm64/index.rst
> +++ b/Documentation/arm64/index.rst
> @@ -25,6 +25,7 @@ ARM64 Architecture
>      sve
>      tagged-address-abi
>      tagged-pointers
> +    kdump

I've seen the warning as well. Please send a patch fixing this as I try
to avoid rebasing. Also we keep this part in alphabetical order.

Thanks.

-- 
Catalin