| Message ID | 20250402-stable-sve-5-15-v1-0-84d0e5ff1102@kernel.org (mailing list archive) |
|---|---|
| Headers | show |
| Series | KVM: arm64: Backport of SVE fixes to v5.15 | expand |
On Wed, Apr 02, 2025 at 11:59:32PM +0100, Mark Brown wrote: > This series backports some recent fixes for SVE/KVM interactions from > Mark Rutland to v5.15. *sigh* Forgot Greg and the stable list here - will resend, sorry for the noise.
On Thu, Apr 03, 2025 at 12:16:20AM +0100, Mark Brown wrote: > On Wed, Apr 02, 2025 at 11:59:32PM +0100, Mark Brown wrote: > > This series backports some recent fixes for SVE/KVM interactions from > > Mark Rutland to v5.15. > > *sigh* Forgot Greg and the stable list here - will resend, sorry for the > noise. I think you made the same mistake on the 6.1 backports too: https://lore.kernel.org/r/20250325-stable-sve-6-1-v1-0-83259d427d84@kernel.org Will
On Fri, Apr 04, 2025 at 02:03:17PM +0100, Will Deacon wrote: > I think you made the same mistake on the 6.1 backports too: > https://lore.kernel.org/r/20250325-stable-sve-6-1-v1-0-83259d427d84@kernel.org Thanks for spotting that.
This series backports some recent fixes for SVE/KVM interactions from Mark Rutland to v5.15. Signed-off-by: Mark Brown <broonie@kernel.org> --- Fuad Tabba (1): KVM: arm64: Calculate cptr_el2 traps on activating traps Marc Zyngier (1): KVM: arm64: Get rid of host SVE tracking/saving Mark Brown (4): KVM: arm64: Discard any SVE state when entering KVM guests arm64/fpsimd: Track the saved FPSIMD state type separately to TIF_SVE arm64/fpsimd: Have KVM explicitly say which FP registers to save arm64/fpsimd: Stop using TIF_SVE to manage register saving in KVM Mark Rutland (4): 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: Eagerly switch ZCR_EL{1,2} arch/arm64/include/asm/fpsimd.h | 4 +- arch/arm64/include/asm/kvm_host.h | 17 +++-- arch/arm64/include/asm/kvm_hyp.h | 7 ++ arch/arm64/include/asm/processor.h | 7 ++ arch/arm64/kernel/fpsimd.c | 117 +++++++++++++++++++++++--------- arch/arm64/kernel/process.c | 3 + arch/arm64/kernel/ptrace.c | 3 + arch/arm64/kernel/signal.c | 3 + arch/arm64/kvm/arm.c | 1 - arch/arm64/kvm/fpsimd.c | 72 +++++++++----------- arch/arm64/kvm/hyp/entry.S | 5 ++ arch/arm64/kvm/hyp/include/hyp/switch.h | 86 +++++++++++++++-------- arch/arm64/kvm/hyp/nvhe/hyp-main.c | 9 ++- arch/arm64/kvm/hyp/nvhe/switch.c | 52 +++++++++----- arch/arm64/kvm/hyp/vhe/switch.c | 4 ++ arch/arm64/kvm/reset.c | 3 + 16 files changed, 266 insertions(+), 127 deletions(-) --- base-commit: 0c935c049b5c196b83b968c72d348ae6fff83ea2 change-id: 20250326-stable-sve-5-15-bfd75482dcfa Best regards,