From: "Ard Biesheuvel" <ardb@kernel.org>
To: "Christoph Hellwig" <hch@lst.de>,
"Andrew Morton" <akpm@linux-foundation.org>
Cc: "Catalin Marinas" <catalin.marinas@arm.com>,
"Will Deacon" <will@kernel.org>,
"Huacai Chen" <chenhuacai@kernel.org>,
"WANG Xuerui" <kernel@xen0n.name>,
"Madhavan Srinivasan" <maddy@linux.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
"Paul Walmsley" <pjw@kernel.org>,
"Palmer Dabbelt" <palmer@dabbelt.com>,
"Albert Ou" <aou@eecs.berkeley.edu>,
"Alexandre Ghiti" <alex@ghiti.fr>,
"Heiko Carstens" <hca@linux.ibm.com>,
"Vasily Gorbik" <gor@linux.ibm.com>,
"Alexander Gordeev" <agordeev@linux.ibm.com>,
"Christian Borntraeger" <borntraeger@linux.ibm.com>,
"Sven Schnelle" <svens@linux.ibm.com>,
"Thomas Gleixner" <tglx@kernel.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Dan Williams" <dan.j.williams@intel.com>,
"Chris Mason" <clm@fb.com>, "David Sterba" <dsterba@suse.com>,
"Arnd Bergmann" <arnd@arndb.de>, "Song Liu" <song@kernel.org>,
"Yu Kuai" <yukuai@fnnas.com>, "Li Nan" <linan122@huawei.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev,
linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
linux-s390@vger.kernel.org, linux-crypto@vger.kernel.org,
linux-btrfs@vger.kernel.org, linux-arch@vger.kernel.org,
linux-raid@vger.kernel.org
Subject: Re: cleanup the RAID6 P/Q library v2
Date: Tue, 12 May 2026 11:50:15 +0200 [thread overview]
Message-ID: <d40e984f-7dec-425c-bf80-a255980c7457@app.fastmail.com> (raw)
In-Reply-To: <20260512052230.2947683-1-hch@lst.de>
On Tue, 12 May 2026, at 07:20, Christoph Hellwig wrote:
> Hi all,
>
> this series cleans up the RAID6 P/Q library to match the recent updates
> to the RAID 5 XOR library and other CRC/crypto libraries. This includes
> providing properly documented external interfaces, hiding the internals,
> using static_call instead of indirect calls and turning the user space
> test suite into an in-kernel kunit test which is also extended to
> improve coverage.
>
> Note that this changes registration so that non-priority algorithms are
> not registered, which greatly helps with the benchmark time at boot time.
> I'd like to encourage all architecture maintainers to see if they can
> further optimized this by registering as few as possible algorithms when
> there is a clear benefit in optimized or more unrolled implementations.
>
> This series sits on top of the "cleanup the RAID5 XOR library v3" series.
>
> A git tree is also available here:
>
> git://git.infradead.org/users/hch/misc.git lib-raid6
>
> Gitweb:
>
>
> https://git.infradead.org/?p=users/hch/misc.git;a=shortlog;h=refs/heads/lib-raid6
>
> Changes since v1:
> - fix arm64 objdir != srcdir builds
> - call the kunit module raid6_kunit.ko from the beginning
> - update MAINTAINERS
> - don't require preemptible context and apply the same restrictions as
> the merged version of the XOR API
> - fix the arm64 default in Kconfig
> - pick the last registered (and presumably most optimized) algorithm when
> benchmarking is disabled
> - port over the randomization fixes from the XOR series
> - misc other kunit cleanups
> - require at least 4 devices for RAID6 to skip broken special cases
>
Tested-by: Ard Biesheuvel <ardb@kernel.org> # kunit only on arm64
Acked-by: Ard Biesheuvel <ardb@kernel.org>
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
prev parent reply other threads:[~2026-05-12 9:50 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-12 5:20 cleanup the RAID6 P/Q library v2 Christoph Hellwig
2026-05-12 5:20 ` [PATCH 01/19] btrfs: require at least 4 devices for RAID 6 Christoph Hellwig
2026-05-12 11:42 ` David Sterba
2026-05-12 5:20 ` [PATCH 02/19] raid6: turn the userspace test harness into a kunit test Christoph Hellwig
2026-05-12 5:20 ` [PATCH 03/19] raid6: remove __KERNEL__ ifdefs Christoph Hellwig
2026-05-12 5:20 ` [PATCH 04/19] raid6: move to lib/raid/ Christoph Hellwig
2026-05-12 5:20 ` [PATCH 05/19] raid6: remove unused defines in pq.h Christoph Hellwig
2026-05-12 5:20 ` [PATCH 06/19] raid6: remove raid6_get_zero_page Christoph Hellwig
2026-05-12 5:20 ` [PATCH 07/19] raid6: use named initializers for struct raid6_calls Christoph Hellwig
2026-05-12 5:20 ` [PATCH 08/19] raid6: improve the public interface Christoph Hellwig
2026-05-12 5:20 ` [PATCH 09/19] raid6: hide internals Christoph Hellwig
2026-05-12 5:20 ` [PATCH 10/19] raid6: rework the init helpers Christoph Hellwig
2026-05-12 5:20 ` [PATCH 11/19] raid6: use static_call for gen_syndrom and xor_syndrom Christoph Hellwig
2026-05-12 5:20 ` [PATCH 12/19] raid6: use static_call for raid6_recov_2data and raid6_recov_datap Christoph Hellwig
2026-05-12 5:20 ` [PATCH 13/19] raid6: update top of file comments Christoph Hellwig
2026-05-12 5:20 ` [PATCH 14/19] raid6_kunit: use KUNIT_CASE_PARAM Christoph Hellwig
2026-05-12 5:20 ` [PATCH 15/19] raid6_kunit: dynamically allocate data buffers using vmalloc Christoph Hellwig
2026-05-12 5:20 ` [PATCH 16/19] raid6_kunit: cleanup dataptr handling Christoph Hellwig
2026-05-12 5:20 ` [PATCH 17/19] raid6_kunit: randomize parameters and increase limits Christoph Hellwig
2026-05-12 5:20 ` [PATCH 18/19] " Christoph Hellwig
2026-05-12 5:20 ` [PATCH 19/19] raid6_kunit: randomize buffer alignment Christoph Hellwig
2026-05-12 9:50 ` Ard Biesheuvel [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d40e984f-7dec-425c-bf80-a255980c7457@app.fastmail.com \
--to=ardb@kernel.org \
--cc=agordeev@linux.ibm.com \
--cc=akpm@linux-foundation.org \
--cc=alex@ghiti.fr \
--cc=aou@eecs.berkeley.edu \
--cc=arnd@arndb.de \
--cc=borntraeger@linux.ibm.com \
--cc=bp@alien8.de \
--cc=catalin.marinas@arm.com \
--cc=chenhuacai@kernel.org \
--cc=chleroy@kernel.org \
--cc=clm@fb.com \
--cc=dan.j.williams@intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=dsterba@suse.com \
--cc=gor@linux.ibm.com \
--cc=hca@linux.ibm.com \
--cc=hch@lst.de \
--cc=herbert@gondor.apana.org.au \
--cc=hpa@zytor.com \
--cc=kernel@xen0n.name \
--cc=linan122@huawei.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-btrfs@vger.kernel.org \
--cc=linux-crypto@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-raid@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linux-s390@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=loongarch@lists.linux.dev \
--cc=maddy@linux.ibm.com \
--cc=mingo@redhat.com \
--cc=mpe@ellerman.id.au \
--cc=npiggin@gmail.com \
--cc=palmer@dabbelt.com \
--cc=pjw@kernel.org \
--cc=song@kernel.org \
--cc=svens@linux.ibm.com \
--cc=tglx@kernel.org \
--cc=will@kernel.org \
--cc=x86@kernel.org \
--cc=yukuai@fnnas.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox