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From: Will Deacon <will@kernel•org>
To: Mark Rutland <mark.rutland@arm•com>
Cc: Marc Zyngier <maz@kernel•org>,
	catalin.marinas@arm•com, linux-arm-kernel@lists•infradead.org,
	kvmarm@lists•linux.dev, broonie@kernel•org, james.morse@arm•com,
	oupton@kernel•org, tabba@google•com
Subject: Re: [PATCH 00/18] arm64+KVM: FPSIMD/SVE/SME cleanups
Date: Wed, 27 May 2026 15:36:40 +0100	[thread overview]
Message-ID: <ahcBeMSQXNQ4DcWI@willie-the-truck> (raw)
In-Reply-To: <ahbIRe0jR95elM2L@J2N7QTR9R3>

On Wed, May 27, 2026 at 11:32:37AM +0100, Mark Rutland wrote:
> On Wed, May 27, 2026 at 09:07:31AM +0100, Marc Zyngier wrote:
> > On Thu, 21 May 2026 14:25:38 +0100,
> > Mark Rutland <mark.rutland@arm•com> wrote:
> > > This series cleans up low-level FPSIMD/SVE/SME state management code,
> > > making it easier to maintain and extend (e.g. adding SME support to
> > > KVM), and enabling better debugging (e.g. by making SVE/SME save/restore
> > > visible to KASAN and KCSAN).
> > > 
> > > This is purely cleanup, there are NO bugs addressed by this series.
> > 
> > I had a look throughout, and couldn't see anything untoward other than
> > the couple of nits that were already pointed out. Killing the horrible
> > asm macros definitely brings a bit of fresh air to this code base.
> > 
> > Given the sensitivity of the change, I'd like this to simmer in -next
> > for a bit. How do you want this to be merged? I'm happy to take the
> > whole thing in kvmarm, and share the branch with arm64.
> 
> That works for me.
> 
> Catalin, Will, any preference?

I was hoping the first four could go via kvm/arm on a shared branch, but
I notice that some of the later patches also have their fingers in kvm
code. Chatting with Marc offline, I'll take the whole lot onto its own
shared branch in the arm64 tree when you post a v2.

Will


  reply	other threads:[~2026-05-27 14:36 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-21 13:25 [PATCH 00/18] arm64+KVM: FPSIMD/SVE/SME cleanups Mark Rutland
2026-05-21 13:25 ` [PATCH 01/18] KVM: arm64: Don't include <asm/fpsimdmacros.h> Mark Rutland
2026-05-26 14:18   ` Mark Brown
2026-05-27 10:10   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 02/18] KVM: arm64: Don't override FFR save/restore argument Mark Rutland
2026-05-26 14:27   ` Mark Brown
2026-05-27 10:16   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 03/18] KVM: arm64: pkvm: Save host FPMR in host cpu context Mark Rutland
2026-05-27 10:29   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 04/18] KVM: arm64: pkvm: Remove struct cpu_sve_state Mark Rutland
2026-05-27 11:58   ` Vladimir Murzin
2026-05-27 16:02     ` Mark Rutland
2026-05-27 16:11       ` Vladimir Murzin
2026-05-28 15:09         ` Mark Rutland
2026-05-28 15:12           ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 05/18] arm64: fpsimd: Fold sve_init_regs() into do_sve_acc() Mark Rutland
2026-05-26 15:28   ` Mark Brown
2026-05-27 12:05   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 06/18] arm64: fpsimd: Remove sve_set_vq() and sme_set_vq() Mark Rutland
2026-05-26 15:42   ` Mark Brown
2026-05-27 12:50   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 07/18] arm64: fpsimd: Use assembler for SVE instructions Mark Rutland
2026-05-26 15:43   ` Mark Brown
2026-05-27 12:58   ` Vladimir Murzin
2026-05-27 16:10     ` Mark Rutland
2026-05-21 13:25 ` [PATCH 08/18] arm64: fpsimd: Use assembler for baseline SME instructions Mark Rutland
2026-05-26 15:45   ` Mark Brown
2026-05-27 13:06   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 09/18] arm64: fpsimd: Move sve_get_vl() and sme_get_vl() inline Mark Rutland
2026-05-26 15:47   ` Mark Brown
2026-05-27 13:18   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 10/18] arm64: sysreg: Add FPCR and FPSR Mark Rutland
2026-05-26 15:55   ` Mark Brown
2026-05-26 16:51     ` Mark Rutland
2026-05-26 16:54       ` Mark Brown
2026-05-21 13:25 ` [PATCH 11/18] arm64: fpsimd: Split FPSR/FPCR from SVE save/restore Mark Rutland
2026-05-26 16:28   ` Mark Brown
2026-05-27 13:51     ` Mark Rutland
2026-05-27 14:13       ` Mark Brown
2026-05-27 16:13         ` Mark Rutland
2026-05-27 13:44   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 12/18] arm64: fpsimd: Move fpsimd save/restore inline Mark Rutland
2026-05-26 16:44   ` Mark Brown
2026-05-28 16:15     ` Mark Rutland
2026-05-28 16:39       ` Mark Brown
2026-05-27 14:49   ` Vladimir Murzin
2026-05-27 15:34     ` Mark Rutland
2026-05-27 16:13       ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 13/18] arm64: fpsimd: Use opaque type for SVE state Mark Rutland
2026-05-26 16:53   ` Mark Brown
2026-05-28  9:45   ` Vladimir Murzin
2026-05-28 16:25     ` Mark Rutland
2026-05-21 13:25 ` [PATCH 14/18] arm64: fpsimd: Use opaque type for SME state Mark Rutland
2026-05-26 16:56   ` Mark Brown
2026-05-28  9:51   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 15/18] arm64: fpsimd: Move SVE save/restore inline Mark Rutland
2026-05-27 12:29   ` Mark Brown
2026-05-28 10:39   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 16/18] arm64: fpsimd: Move sve_flush_live() inline Mark Rutland
2026-05-27 12:54   ` Mark Brown
2026-05-27 16:23     ` Mark Rutland
2026-05-28 10:49   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 17/18] arm64: fpsimd: Move SME save/restore inline Mark Rutland
2026-05-26 14:08   ` Mark Rutland
2026-05-26 14:39     ` Vladimir Murzin
2026-05-26 15:28       ` Mark Rutland
2026-05-26 16:38         ` Mark Rutland
2026-05-27  9:00           ` Vladimir Murzin
2026-05-29  9:10           ` Mark Rutland
2026-05-28 12:30   ` Vladimir Murzin
2026-05-28 14:39     ` Mark Rutland
2026-05-21 13:25 ` [PATCH 18/18] arm64: fpsimd: Remove <asm/fpsimdmacros.h> Mark Rutland
2026-05-28 13:10   ` Vladimir Murzin
2026-05-27  8:07 ` [PATCH 00/18] arm64+KVM: FPSIMD/SVE/SME cleanups Marc Zyngier
2026-05-27 10:32   ` Mark Rutland
2026-05-27 14:36     ` Will Deacon [this message]
2026-05-28 13:21 ` Vladimir Murzin
2026-05-28 16:28   ` Mark Rutland

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