linux-kernel - [PATCH 6.13 v2 0/8] KVM: arm64: Backport of SVE fixes to v6.13

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Message-Id: <20250321-stable-sve-6-13-v2-0-3150e3370c40@kernel.org>
Date: Fri, 21 Mar 2025 00:10:09 +0000
From: Mark Brown <broonie@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Marc Zyngier <maz@...nel.org>, Oliver Upton <oliver.upton@...ux.dev>, 
 Joey Gouly <joey.gouly@....com>, Suzuki K Poulose <suzuki.poulose@....com>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, stable@...r.kernel.org, 
 Mark Brown <broonie@...nel.org>, Fuad Tabba <tabba@...gle.com>, 
 James Clark <james.clark@...aro.org>, Mark Rutland <mark.rutland@....com>, 
 Eric Auger <eauger@...hat.com>, Wilco Dijkstra <wilco.dijkstra@....com>, 
 Eric Auger <eric.auger@...hat.com>, Florian Weimer <fweimer@...hat.com>, 
 Jeremy Linton <jeremy.linton@....com>, Paolo Bonzini <pbonzini@...hat.com>
Subject: [PATCH 6.13 v2 0/8] KVM: arm64: Backport of SVE fixes to v6.13

This series backports some recent fixes for SVE/KVM interactions from
Mark Rutland to v6.13.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
Changes in v2:
- Remove an erronious kern_hyp_va().
- Move standard cherry pick to stable format in patch 8.
- Link to v1: https://lore.kernel.org/r/20250312-stable-sve-6-13-v1-0-c7ba07a6f4f7@kernel.org

---
Fuad Tabba (1):
      KVM: arm64: Calculate cptr_el2 traps on activating traps

Mark Rutland (7):
      KVM: arm64: Unconditionally save+flush host FPSIMD/SVE/SME state
      KVM: arm64: Remove host FPSIMD saving for non-protected KVM
      KVM: arm64: Remove VHE host restore of CPACR_EL1.ZEN
      KVM: arm64: Remove VHE host restore of CPACR_EL1.SMEN
      KVM: arm64: Refactor exit handlers
      KVM: arm64: Mark some header functions as inline
      KVM: arm64: Eagerly switch ZCR_EL{1,2}

 arch/arm64/include/asm/kvm_host.h       |  25 ++----
 arch/arm64/kernel/fpsimd.c              |  25 ------
 arch/arm64/kvm/arm.c                    |   9 ---
 arch/arm64/kvm/fpsimd.c                 | 100 ++----------------------
 arch/arm64/kvm/hyp/entry.S              |   5 ++
 arch/arm64/kvm/hyp/include/hyp/switch.h | 133 ++++++++++++++++++++++---------
 arch/arm64/kvm/hyp/nvhe/hyp-main.c      |  11 +--
 arch/arm64/kvm/hyp/nvhe/pkvm.c          |  30 -------
 arch/arm64/kvm/hyp/nvhe/switch.c        | 134 ++++++++++++++++++--------------
 arch/arm64/kvm/hyp/vhe/switch.c         |  21 ++---
 10 files changed, 201 insertions(+), 292 deletions(-)
---
base-commit: 648e04a805652f513af04b47035cde896addf9b0
change-id: 20250227-stable-sve-6-13-5ceaf408b5f7

Best regards,
-- 
Mark Brown <broonie@...nel.org>