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From: Mark Rutland <mark.rutland@arm.com>
To: Mark Brown <broonie@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	catalin.marinas@arm.com, james.morse@arm.com, maz@kernel.org,
	oupton@kernel.org, tabba@google.com, will@kernel.org
Subject: Re: [PATCH 10/18] arm64: sysreg: Add FPCR and FPSR
Date: Tue, 26 May 2026 17:51:53 +0100	[thread overview]
Message-ID: <ahXPqSPB5CEUbRdz@J2N7QTR9R3> (raw)
In-Reply-To: <458fcb4c-46a9-49db-a179-9081d7d50dbf@sirena.org.uk>

On Tue, May 26, 2026 at 04:55:44PM +0100, Mark Brown wrote:
> On Thu, May 21, 2026 at 02:25:48PM +0100, Mark Rutland wrote:
> > Add sysreg definitions for FPCR and FPSR.
> 
> > +Sysreg	FPCR	3	3	4	4	0
> 
> This looks good.
> 
> > +Sysreg	FPSR	3	3	4	4	1
> > +Res0	63:32
> > +Field	31	N
> > +Field	30	Q
> 
> DDI0487 M.b and DDI0601 2026-03 both call this field Z.

Sorry about that; fixed locally now, and I've double-checked the rest.

Mark.


  reply	other threads:[~2026-05-26 16:52 UTC|newest]

Thread overview: 68+ 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
2026-05-21 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 [this message]
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
2026-05-27 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
2026-05-21 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
2026-05-28 12:30   ` Vladimir Murzin
2026-05-21 13:25 ` [PATCH 18/18] arm64: fpsimd: Remove <asm/fpsimdmacros.h> Mark Rutland
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

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