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From:   Yun Levi <ppbuk5246@gmail.com>
Date:   Wed, 31 Aug 2022 19:29:15 +0900
Message-ID: <CAM7-yPQEF3PUH5ER7n1beSncEj=hJcE0Dk0JPZrxkh9-oHxt+Q@mail.gmail.com>
Subject: Re: [PATCH v2-RESEND] arm64/kexec: Fix missing extra range for crashkres_low.
To:     Catalin Marinas <catalin.marinas@arm.com>
Cc:     Baoquan He <bhe@redhat.com>, will@kernel.org,
        nramas@linux.microsoft.com, thunder.leizhen@huawei.com,
        linux-arm-kernel@lists.infradead.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        kexec@lists.infradead.org
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>
> To be even more precise, it should be:
>
> Cc: <stable@vger.kernel.org> # 5.19.x

Thanks! I'll fix it!


> Something happened to the whitespace here, so the patch can't be
> applied.

Sorry, I'll check and send again :). Thanks!

On Wed, Aug 31, 2022 at 7:26 PM Catalin Marinas <catalin.marinas@arm.com> wrote:
>
> On Wed, Aug 31, 2022 at 10:49:30AM +0900, Yun Levi wrote:
> > Like crashk_res, Calling crash_exclude_mem_range function with
> > crashk_low_res area would need extra crash_mem range too.
> >
> > Add one more extra cmem slot in case of crashk_low_res is used.
> >
> > Signed-off-by: Levi Yun <ppbuk5246@gmail.com>
> > Fixes: 944a45abfabc ("arm64: kdump: Reimplement crashkernel=X")
> > Cc: stable@vger.kernel.org
>
> To be even more precise, it should be:
>
> Cc: <stable@vger.kernel.org> # 5.19.x
>
> > Acked-by: Baoquan He <bhe@redhat.com>
> > Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
> > ---
> >  arch/arm64/kernel/machine_kexec_file.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/kernel/machine_kexec_file.c
> > b/arch/arm64/kernel/machine_kexec_file.c
> > index 889951291cc0..a11a6e14ba89 100644
> > --- a/arch/arm64/kernel/machine_kexec_file.c
> > +++ b/arch/arm64/kernel/machine_kexec_file.c
> > @@ -47,7 +47,7 @@ static int prepare_elf_headers(void **addr, unsigned long *sz)
> >   u64 i;
> >   phys_addr_t start, end;
> >
> > - nr_ranges = 1; /* for exclusion of crashkernel region */
> > + nr_ranges = 2; /* for exclusion of crashkernel region */
> >   for_each_mem_range(i, &start, &end)
> >   nr_ranges++;
>
> Something happened to the whitespace here, so the patch can't be
> applied.
>
> --
> Catalin