| From: |
| Mark Brown <broonie-AT-kernel.org> |
| To: |
| Marc Zyngier <maz-AT-kernel.org>, Oliver Upton <oliver.upton-AT-linux.dev>, James Morse <james.morse-AT-arm.com>, Suzuki K Poulose <suzuki.poulose-AT-arm.com>, Catalin Marinas <catalin.marinas-AT-arm.com>, Will Deacon <will-AT-kernel.org> |
| Subject: |
| [PATCH 0/2] KVM: arm64: Store a cpu_fp_state directly in the vCPU data |
| Date: |
| Mon, 26 Feb 2024 20:44:09 +0000 |
| Message-ID: |
| <20240226-kvm-arm64-group-fp-data-v1-0-07d13759517e@kernel.org> |
| Cc: |
| linux-arm-kernel-AT-lists.infradead.org, kvmarm-AT-lists.linux.dev, linux-kernel-AT-vger.kernel.org, Mark Brown <broonie-AT-kernel.org> |
| Archive-link: |
| Article |
Simplify the binding of the guest state to the CPU when returning to the
host by storing a copy of the structure used to pass the state in the
vCPU data and initialising it during guest setup rather than creating a
new copy each time we exit the guest.
Signed-off-by: Mark Brown <broonie@kernel.org>
---
Mark Brown (2):
KVM: arm64: Rename variable for tracking ownership of FP state
KVM: arm64: Reuse struct cpu_fp_state to track the guest FP state
arch/arm64/include/asm/kvm_emulate.h | 4 ++--
arch/arm64/include/asm/kvm_host.h | 25 ++++++++++++-------------
arch/arm64/kvm/arm.c | 14 +++++++++++++-
arch/arm64/kvm/fpsimd.c | 29 ++++++-----------------------
arch/arm64/kvm/guest.c | 21 ++++++++++++++-------
arch/arm64/kvm/hyp/include/hyp/switch.h | 6 +++---
arch/arm64/kvm/hyp/nvhe/hyp-main.c | 9 +++++----
arch/arm64/kvm/hyp/nvhe/switch.c | 2 +-
arch/arm64/kvm/hyp/vhe/switch.c | 2 +-
arch/arm64/kvm/reset.c | 14 ++++++++------
10 files changed, 65 insertions(+), 61 deletions(-)
---
base-commit: 54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478
change-id: 20240226-kvm-arm64-group-fp-data-0ae363ce24fe
Best regards,
--
Mark Brown <broonie@kernel.org>
