[PATCH 0/3] RE: Support writable CPU ID registers from userspace [v11]
Suraj Jitindar Singh
surajjs at amazon.com
Fri Jun 2 15:14:44 PDT 2023
With the patch set you posted I get some kvm unit tests failures due to
being unable to update register values from userspace for tests using smp.
The first patch addresses this.
The second 2 are optimisations/cleanups.
Based on "Support writable CPU ID registers from userspace" [1]
[1] https://lore.kernel.org/linux-arm-kernel/20230602005118.2899664-1-jingzhangos@google.com/
Suraj Jitindar Singh (3):
KVM: arm64: Update id_reg limit value based on per vcpu flags
KVM: arm64: Move non per vcpu flag checks out of
kvm_arm_update_id_reg()
KVM: arm64: Use per guest ID register for ID_AA64PFR1_EL1.MTE
arch/arm64/include/asm/kvm_host.h | 21 +++--
arch/arm64/kvm/arm.c | 11 ++-
arch/arm64/kvm/sys_regs.c | 122 +++++++++++++++++++++++++-----
3 files changed, 121 insertions(+), 33 deletions(-)
--
2.34.1
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