diff options
author | Shanker Donthineni <[email protected]> | 2018-02-19 09:38:07 -0600 |
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committer | Christoffer Dall <[email protected]> | 2018-02-26 10:48:02 +0100 |
commit | 250be9d61cf8898b1eea140fa31fe7713c49e989 (patch) | |
tree | 2c0988d8b3d131ddae9c0ef6a20e78310bbe729f /tools/perf/scripts/python/syscall-counts.py | |
parent | b9fb17395b956079e2c3961a310f6a961a7de6e6 (diff) |
KVM: arm/arm64: No need to zero CNTVOFF in kvm_timer_vcpu_put() for VHE
In AArch64/AArch32, the virtual counter uses a fixed virtual offset
of zero in the following situations as per ARMv8 specifications:
1) HCR_EL2.E2H is 1, and CNTVCT_EL0/CNTVCT are read from EL2.
2) HCR_EL2.{E2H, TGE} is {1, 1}, and either:
— CNTVCT_EL0 is read from Non-secure EL0 or EL2.
— CNTVCT is read from Non-secure EL0.
So, no need to zero CNTVOFF_EL2/CNTVOFF for VHE case.
Acked-by: Marc Zyngier <[email protected]>
Acked-by: Christoffer Dall <[email protected]>
Signed-off-by: Shanker Donthineni <[email protected]>
Signed-off-by: Christoffer Dall <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions