On 2016/2/23 9:46, Shannon Zhao wrote:
>
> On 2016/2/23 1:51, Marc Zyngier wrote:
>> > On 22/02/16 09:37, Shannon Zhao wrote:
>>> >> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>>> >>
>>> >> We are about to trap and emulate accesses to each PMU register
>>> >> individually. This adds the context offsets for the AArch64 PMU
>>> >> registers.
>>> >>
>>> >> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>>> >> Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx>
>>> >> Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
>>> >> ---
>>> >> arch/arm64/include/asm/kvm_host.h | 15 +++++++++++++++
>>> >> 1 file changed, 15 insertions(+)
>>> >>
>>> >> diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
>>> >> index 6f0241f..6bab7fb 100644
>>> >> --- a/arch/arm64/include/asm/kvm_host.h
>>> >> +++ b/arch/arm64/include/asm/kvm_host.h
>>> >> @@ -115,6 +115,21 @@ enum vcpu_sysreg {
>>> >> MDSCR_EL1, /* Monitor Debug System Control Register */
>>> >> MDCCINT_EL1, /* Monitor Debug Comms Channel Interrupt Enable Reg */
>>> >>
>>> >> + /* Performance Monitors Registers */
>>> >> + PMCR_EL0, /* Control Register */
>>> >> + PMOVSSET_EL0, /* Overflow Flag Status Set Register */
>>> >> + PMSELR_EL0, /* Event Counter Selection Register */
>>> >> + PMEVCNTR0_EL0, /* Event Counter Register (0-30) */
>>> >> + PMEVCNTR30_EL0 = PMEVCNTR0_EL0 + 30,
>>> >> + PMCCNTR_EL0, /* Cycle Counter Register */
>>> >> + PMEVTYPER0_EL0, /* Event Type Register (0-30) */
>>> >> + PMEVTYPER30_EL0 = PMEVTYPER0_EL0 + 30,
>>> >> + PMCCFILTR_EL0, /* Cycle Count Filter Register */
>>> >> + PMCNTENSET_EL0, /* Count Enable Set Register */
>>> >> + PMINTENSET_EL1, /* Interrupt Enable Set Register */
>>> >> + PMUSERENR_EL0, /* User Enable Register */
>>> >> + PMSWINC_EL0, /* Software Increment Register */
>>> >> +
>> >
>> > I've just noticed a rather fundamental issue with this: this makes it
>> > impossible to bisect the whole series.
>> >
> Ah, sorry. Will fix this.
>
I've fixed this problem and pushed this series to below place. You can
fetch it from there.
https://git.linaro.org/people/shannon.zhao/linux-mainline.git/shortlog/refs/heads/KVM_ARM64_PMU_v13
Thanks,
--
Shannon
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