From: Mike Rapoport <rppt@kernel•org>
To: Jinjie Ruan <ruanjinjie@huawei•com>
Cc: corbet@lwn•net, skhan@linuxfoundation•org,
catalin.marinas@arm•com, will@kernel•org, chenhuacai@kernel•org,
kernel@xen0n•name, maddy@linux•ibm.com, mpe@ellerman•id.au,
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kexec@lists•infradead.org
Subject: Re: [PATCH v6 0/5] arm64/riscv: Add support for crashkernel CMA reservation
Date: Wed, 25 Feb 2026 17:50:45 +0200 [thread overview]
Message-ID: <aZ8aVU8qIHue-khK@kernel.org> (raw)
In-Reply-To: <20260224085342.387996-1-ruanjinjie@huawei.com>
On Tue, Feb 24, 2026 at 04:53:37PM +0800, Jinjie Ruan wrote:
> The crash memory allocation, and the exclude of crashk_res, crashk_low_res
> and crashk_cma memory are almost identical across different architectures,
> This patch set handle them in crash core in a general way, which eliminate
> a lot of duplication code.
>
> And add support for crashkernel CMA reservation for arm64 and riscv.
>
> Rebased on v7.0-rc1.
>
> Basic test were performed on QEMU platforms for x86, ARM64, and RISC-V
> architectures with the following parameters:
>
> "cma=256M crashkernel=256M crashkernel=64M,cma"
>
> Changes in v6:
> - Update the crash core exclude code as Mike suggested.
> - Rebased on v7.0-rc1.
> - Add acked-by.
> - Link to v5: https://lore.kernel.org/all/20260212101001.343158-1-ruanjinjie@huawei.com/
>
> Changes in v5:
> - Fix the kernel test robot build warnings.
> - Sort crash memory ranges before preparing elfcorehdr for powerpc
> - Link to v4: https://lore.kernel.org/all/20260209095931.2813152-1-ruanjinjie@huawei.com/
>
> Changes in v4:
> - Move the size calculation (and the realloc if needed) into the
> generic crash.
> - Link to v3: https://lore.kernel.org/all/20260204093728.1447527-1-ruanjinjie@huawei.com/
>
> Changs in v3:
> - Exclude crash kernel memory in crash core as Mike suggested.
> - Add acked-by.
>
> Jinjie Ruan (4):
> crash: Exclude crash kernel memory in crash core
> crash: Use crash_exclude_core_ranges() on powerpc
> arm64: kexec: Add support for crashkernel CMA reservation
> riscv: kexec: Add support for crashkernel CMA reservation
>
> Sourabh Jain (1):
> powerpc/crash: sort crash memory ranges before preparing elfcorehdr
Overall LGTM, I had a comment about arm64 and riscv patches, but other than
that
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel•org>
--
Sincerely yours,
Mike.
prev parent reply other threads:[~2026-02-25 15:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-24 8:53 [PATCH v6 0/5] arm64/riscv: Add support for crashkernel CMA reservation Jinjie Ruan
2026-02-24 8:53 ` [PATCH v6 1/5] powerpc/crash: sort crash memory ranges before preparing elfcorehdr Jinjie Ruan
2026-02-25 3:15 ` Ritesh Harjani
2026-02-26 9:24 ` Baoquan He
2026-02-26 9:35 ` Jinjie Ruan
2026-02-24 8:53 ` [PATCH v6 2/5] crash: Exclude crash kernel memory in crash core Jinjie Ruan
2026-02-26 9:29 ` Baoquan He
2026-02-24 8:53 ` [PATCH v6 3/5] crash: Use crash_exclude_core_ranges() on powerpc Jinjie Ruan
2026-02-24 8:53 ` [PATCH v6 4/5] arm64: kexec: Add support for crashkernel CMA reservation Jinjie Ruan
2026-02-25 15:48 ` Mike Rapoport
2026-02-26 3:24 ` Jinjie Ruan
2026-02-26 9:33 ` Baoquan He
2026-02-24 8:53 ` [PATCH v6 5/5] riscv: " Jinjie Ruan
2026-02-25 15:50 ` Mike Rapoport [this message]
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