From: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>
Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org,
Robin Murphy <robin.murphy@arm.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
Randy Dunlap <rdunlap@infradead.org>,
Mark Rutland <mark.rutland@arm.com>,
Marc Zyngier <maz@kernel.org>,
Steven Price <steven.price@arm.com>,
Suzuki K Poulose <Suzuki.Poulose@arm.com>,
Jiri Pirko <jiri@resnulli.us>, Jason Gunthorpe <jgg@ziepe.ca>,
Mostafa Saleh <smostafa@google.com>,
Petr Tesarik <ptesarik@suse.com>,
Alexey Kardashevskiy <aik@amd.com>,
Dan Williams <dan.j.williams@intel.com>,
Xu Yilun <yilun.xu@linux.intel.com>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
"Ritesh Harjani (IBM)" <ritesh.list@gmail.com>,
Shrikanth Hegde <sshegde@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev,
linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
x86@kernel.org
Subject: Re: [PATCH v6 6/8] dma: swiotlb: Centralize memory-encryption pool sizing
Date: Wed, 07 Oct 2026 17:47:58 +0530 [thread overview]
Message-ID: <yq5atsmx3ds9.fsf@kernel.org> (raw)
In-Reply-To: <asYZFXGyafRjjBS0@arm.com>
Catalin Marinas <catalin.marinas@arm.com> writes:
> On Tue, Oct 06, 2026 at 10:49:17PM +0100, Will Deacon wrote:
>> On Thu, Sep 24, 2026 at 11:37:54AM +0530, Aneesh Kumar K.V (Arm) wrote:
[ ... 22 lines skipped ... ]
>
> That said, such heuristics should have been a separate patch to make it
> easier to review/drop.
>
I kept them in a single patch to avoid breaking bisection. Otherwise, an
intermediate commit would allocate a swiotlb bounce buffer for pKVM.
-aneesh
WARNING: multiple messages have this Message-ID (diff)
From: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>
Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org,
Robin Murphy <robin.murphy@arm.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
Randy Dunlap <rdunlap@infradead.org>,
Mark Rutland <mark.rutland@arm.com>,
Marc Zyngier <maz@kernel.org>,
Steven Price <steven.price@arm.com>,
Suzuki K Poulose <Suzuki.Poulose@arm.com>,
Jiri Pirko <jiri@resnulli.us>, Jason Gunthorpe <jgg@ziepe.ca>,
Mostafa Saleh <smostafa@google.com>,
Petr Tesarik <ptesarik@suse.com>,
Alexey Kardashevskiy <aik@amd.com>,
Dan Williams <dan.j.williams@intel.com>,
Xu Yilun <yilun.xu@linux.intel.com>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
"Ritesh Harjani (IBM)" <ritesh.list@gmail.com>,
Shrikanth Hegde <sshegde@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev,
linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
x86@kernel.org
Subject: Re: [PATCH v6 6/8] dma: swiotlb: Centralize memory-encryption pool sizing
Date: Wed, 07 Oct 2026 17:47:58 +0530 [thread overview]
Message-ID: <yq5atsmx3ds9.fsf@kernel.org> (raw)
In-Reply-To: <asYZFXGyafRjjBS0@arm.com>
Catalin Marinas <catalin.marinas@arm.com> writes:
> On Tue, Oct 06, 2026 at 10:49:17PM +0100, Will Deacon wrote:
>> On Thu, Sep 24, 2026 at 11:37:54AM +0530, Aneesh Kumar K.V (Arm) wrote:
[ ... 22 lines skipped ... ]
>
> That said, such heuristics should have been a separate patch to make it
> easier to review/drop.
>
I kept them in a single patch to avoid breaking bisection. Otherwise, an
intermediate commit would allocate a swiotlb bounce buffer for pKVM.
-aneesh
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2026-10-07 12:18 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20260924060823eucas1p1d27fbf57221c9b4c0e9831a9b0cdd7d3@eucas1p1.samsung.com>
2026-09-24 6:07 ` [PATCH v6 0/8] dma: swiotlb: Centralize default pool policy and sizing Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` [PATCH v6 1/8] dma: swiotlb: Rename swiotlb_size_or_default() Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` Aneesh Kumar K.V (Arm)
2026-09-24 6:14 ` sashiko-bot
2026-09-24 6:07 ` [PATCH v6 2/8] dma: swiotlb: Consolidate slab rounding Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` Aneesh Kumar K.V (Arm)
2026-09-24 6:19 ` sashiko-bot
2026-09-24 6:07 ` [PATCH v6 3/8] dma: swiotlb: Track whether the pool size was explicitly set Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` Aneesh Kumar K.V (Arm)
2026-09-24 6:16 ` sashiko-bot
2026-09-24 6:07 ` [PATCH v6 4/8] dma: swiotlb: Centralize default pool policy selection Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` Aneesh Kumar K.V (Arm)
2026-09-24 6:22 ` sashiko-bot
2026-09-24 6:07 ` [PATCH v6 5/8] dma: swiotlb: Centralize minimal pool sizing Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` Aneesh Kumar K.V (Arm)
2026-09-24 6:18 ` sashiko-bot
2026-09-24 6:07 ` [PATCH v6 6/8] dma: swiotlb: Centralize memory-encryption " Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` Aneesh Kumar K.V (Arm)
2026-09-24 6:26 ` sashiko-bot
2026-10-06 21:49 ` Will Deacon
2026-10-06 21:49 ` Will Deacon
2026-10-07 10:04 ` Catalin Marinas
2026-10-07 10:04 ` Catalin Marinas
2026-10-07 10:43 ` Will Deacon
2026-10-07 10:43 ` Will Deacon
2026-10-07 11:13 ` Catalin Marinas
2026-10-07 11:13 ` Catalin Marinas
2026-10-07 12:15 ` Aneesh Kumar K.V
2026-10-07 12:15 ` Aneesh Kumar K.V
2026-10-08 5:33 ` Aneesh Kumar K.V
2026-10-08 5:33 ` Aneesh Kumar K.V
2026-10-08 12:51 ` Catalin Marinas
2026-10-08 12:51 ` Catalin Marinas
2026-10-08 14:32 ` Aneesh Kumar K.V
2026-10-08 14:32 ` Aneesh Kumar K.V
2026-10-08 15:32 ` Marek Szyprowski
2026-10-08 15:32 ` Marek Szyprowski
2026-10-09 10:18 ` Will Deacon
2026-10-09 10:18 ` Will Deacon
2026-10-08 10:05 ` Marek Szyprowski
2026-10-08 10:05 ` Marek Szyprowski
2026-10-08 11:42 ` Aneesh Kumar K.V
2026-10-08 11:42 ` Aneesh Kumar K.V
2026-10-07 12:17 ` Aneesh Kumar K.V [this message]
2026-10-07 12:17 ` Aneesh Kumar K.V
2026-09-24 6:07 ` [PATCH v6 7/8] dma: swiotlb: Add an overridable architecture pool opt-out Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` Aneesh Kumar K.V (Arm)
2026-09-24 6:26 ` sashiko-bot
2026-09-24 6:07 ` [PATCH v6 8/8] dma: swiotlb: Remove SWIOTLB_ANY Aneesh Kumar K.V (Arm)
2026-09-24 6:07 ` Aneesh Kumar K.V (Arm)
2026-09-24 6:26 ` sashiko-bot
2026-09-25 8:57 ` [PATCH v6 0/8] dma: swiotlb: Centralize default pool policy and sizing Marek Szyprowski
2026-09-25 8:57 ` Marek Szyprowski
2026-10-06 21:42 ` Marek Szyprowski
2026-10-06 21:42 ` Marek Szyprowski
2026-10-06 21:52 ` Will Deacon
2026-10-06 21:52 ` Will Deacon
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=yq5atsmx3ds9.fsf@kernel.org \
--to=aneesh.kumar@kernel.org \
--cc=Suzuki.Poulose@arm.com \
--cc=agordeev@linux.ibm.com \
--cc=aik@amd.com \
--cc=alex@ghiti.fr \
--cc=aou@eecs.berkeley.edu \
--cc=borntraeger@linux.ibm.com \
--cc=bp@alien8.de \
--cc=catalin.marinas@arm.com \
--cc=chenhuacai@kernel.org \
--cc=chleroy@kernel.org \
--cc=corbet@lwn.net \
--cc=dan.j.williams@intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=gerald.schaefer@linux.ibm.com \
--cc=gor@linux.ibm.com \
--cc=hca@linux.ibm.com \
--cc=hpa@zytor.com \
--cc=iommu@lists.linux.dev \
--cc=jgg@ziepe.ca \
--cc=jiaxun.yang@flygoat.com \
--cc=jiri@resnulli.us \
--cc=kernel@xen0n.name \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linux-s390@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=loongarch@lists.linux.dev \
--cc=luto@kernel.org \
--cc=m.szyprowski@samsung.com \
--cc=maddy@linux.ibm.com \
--cc=mark.rutland@arm.com \
--cc=maz@kernel.org \
--cc=mingo@redhat.com \
--cc=mpe@ellerman.id.au \
--cc=npiggin@gmail.com \
--cc=palmer@dabbelt.com \
--cc=peterz@infradead.org \
--cc=pjw@kernel.org \
--cc=ptesarik@suse.com \
--cc=rdunlap@infradead.org \
--cc=ritesh.list@gmail.com \
--cc=robin.murphy@arm.com \
--cc=skhan@linuxfoundation.org \
--cc=smostafa@google.com \
--cc=sshegde@linux.ibm.com \
--cc=sstabellini@kernel.org \
--cc=steven.price@arm.com \
--cc=svens@linux.ibm.com \
--cc=tglx@kernel.org \
--cc=tsbogend@alpha.franken.de \
--cc=will@kernel.org \
--cc=x86@kernel.org \
--cc=yilun.xu@linux.intel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.