From: will.deacon@arm•com (Will Deacon)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 6/7] kvm/arm: use PSR_AA32 definitions
Date: Wed, 4 Jul 2018 14:12:33 +0100 [thread overview]
Message-ID: <20180704131232.GB2798@arm.com> (raw)
In-Reply-To: <20180625144421.11511-7-mark.rutland@arm.com>
On Mon, Jun 25, 2018 at 03:44:20PM +0100, Mark Rutland wrote:
> Some code cares about the SPSR_ELx format for exceptions taken from
> AArch32 to inspect or manipulate the SPSR_ELx value, which is already in
> the SPSR_ELx format, and not in the AArch32 PSR format.
>
> To separate these from cases where we care about the AArch32 PSR format,
> migrate these cases to use the PSR_AA32_* definitions rather than
> COMPAT_PSR_*.
>
> There should be no functional change as a result of this patch.
>
> Note that arm64 KVM does not support a compat KVM API, and always uses
> the SPSR_ELx format, even for AArch32 guests.
>
> Signed-off-by: Mark Rutland <mark.rutland@arm•com>
> Cc: Christoffer Dall <christoffer.dall@arm•com>
> Cc: Marc Zyngier <marc.zyngier@arm•com>
> ---
> arch/arm/include/asm/kvm_emulate.h | 14 +++++++-------
> arch/arm64/include/asm/kvm_emulate.h | 10 +++++-----
> arch/arm64/kvm/guest.c | 14 +++++++-------
> arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c | 2 +-
> arch/arm64/kvm/regmap.c | 22 +++++++++++-----------
> arch/arm64/kvm/reset.c | 4 ++--
> virt/kvm/arm/aarch32.c | 20 ++++++++++----------
> 7 files changed, 43 insertions(+), 43 deletions(-)
I need an ack from the KVM maintainers before I can take this. I can also
put this series on a separate branch if necessary.
Will
next prev parent reply other threads:[~2018-07-04 13:12 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-25 14:44 [PATCH 0/7] arm64: PSR <-> SPSR_ELx mapping fixes Mark Rutland
2018-06-25 14:44 ` [PATCH 1/7] arm64: add PSR_AA32_* definitions Mark Rutland
2018-06-25 14:44 ` [PATCH 2/7] arm64: don't zero DIT on signal return Mark Rutland
2018-06-25 14:44 ` [PATCH 3/7] arm64: compat: map SPSR_ELx<->PSR for signals Mark Rutland
2018-06-25 16:15 ` Suzuki K Poulose
2018-06-25 16:19 ` Mark Rutland
2018-06-25 14:44 ` [PATCH 4/7] arm64: ptrace: map SPSR_ELx<->PSR for compat tasks Mark Rutland
2018-06-25 14:44 ` [PATCH 5/7] arm64: use PSR_AA32 definitions Mark Rutland
2018-06-25 14:44 ` [PATCH 6/7] kvm/arm: " Mark Rutland
2018-07-04 13:12 ` Will Deacon [this message]
2018-07-04 13:23 ` Marc Zyngier
2018-07-04 14:01 ` Will Deacon
2018-07-04 15:06 ` Christoffer Dall
2018-06-25 14:44 ` [PATCH 7/7] arm64: remove unused COMPAT_PSR definitions Mark Rutland
2018-07-04 17:33 ` [PATCH 0/7] arm64: PSR <-> SPSR_ELx mapping fixes Will Deacon
2018-07-05 12:08 ` Mark Rutland
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