aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm64/include/uapi/asm/hwcap.h
diff options
context:
space:
mode:
authorMarc Zyngier <maz@kernel.org>2022-05-04 09:42:16 +0100
committerMarc Zyngier <maz@kernel.org>2022-05-04 09:42:16 +0100
commitb2c4caf3316ce535af333bbd2cd99ad96f991074 (patch)
tree33bd05ec99caab3a0cab27f7f65f2fed2b64d9f2 /arch/arm64/include/uapi/asm/hwcap.h
parentMerge remote-tracking branch 'arm64/for-next/sme' into kvmarm-master/next (diff)
parentKVM: arm64: Expose the WFXT feature to guests (diff)
downloadlinux-dev-b2c4caf3316ce535af333bbd2cd99ad96f991074.tar.xz
linux-dev-b2c4caf3316ce535af333bbd2cd99ad96f991074.zip
Merge branch kvm-arm64/wfxt into kvmarm-master/next
* kvm-arm64/wfxt: : . : Add support for the WFET/WFIT instructions that provide the same : service as WFE/WFI, only with a timeout. : . KVM: arm64: Expose the WFXT feature to guests KVM: arm64: Offer early resume for non-blocking WFxT instructions KVM: arm64: Handle blocking WFIT instruction KVM: arm64: Introduce kvm_counter_compute_delta() helper KVM: arm64: Simplify kvm_cpu_has_pending_timer() arm64: Use WFxT for __delay() when possible arm64: Add wfet()/wfit() helpers arm64: Add HWCAP advertising FEAT_WFXT arm64: Add RV and RN fields for ESR_ELx_WFx_ISS arm64: Expand ESR_ELx_WFx_ISS_TI to match its ARMv8.7 definition Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/include/uapi/asm/hwcap.h')
-rw-r--r--arch/arm64/include/uapi/asm/hwcap.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h
index b0256cec63b5..4bb2cc8ac446 100644
--- a/arch/arm64/include/uapi/asm/hwcap.h
+++ b/arch/arm64/include/uapi/asm/hwcap.h
@@ -87,5 +87,6 @@
#define HWCAP2_SME_B16F32 (1 << 28)
#define HWCAP2_SME_F32F32 (1 << 29)
#define HWCAP2_SME_FA64 (1 << 30)
+#define HWCAP2_WFXT (1UL << 31)
#endif /* _UAPI__ASM_HWCAP_H */