From: Marc Zyngier <marc.zyngier@arm.com>
To: Suzuki K Poulose <Suzuki.Poulose@arm.com>,
linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
kvmarm@lists.cs.columbia.edu
Cc: Shannon Zhao <shannon.zhao@linaro.org>
Subject: Re: [PATCH v2 1/9] arm64: KVM: PMU: Refactor pmu_*_el0_disabled
Date: Mon, 27 Mar 2017 18:11:22 +0100 [thread overview]
Message-ID: <6f5a13d2-90cf-f2f7-ff20-2c27f7bcd165@arm.com> (raw)
In-Reply-To: <e1ad349e-a14c-328a-83ea-4f939c49beb5@arm.com>
On 27/03/17 18:03, Suzuki K Poulose wrote:
> On 27/03/17 17:03, Marc Zyngier wrote:
>> There is a lot of duplication in the pmu_*_el0_disabled helpers,
>> and as we're going to modify them shortly, let's move all the
>> common stuff in a single function.
>>
>> No functionnal change.
>
> nit: s/functionnal/functional
>
>>
>> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
>> ---
>> arch/arm64/kvm/sys_regs.c | 25 +++++++++++--------------
>> 1 file changed, 11 insertions(+), 14 deletions(-)
>>
>> diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
>> index 0e26f8c2b56f..7e1d673304d5 100644
>> --- a/arch/arm64/kvm/sys_regs.c
>> +++ b/arch/arm64/kvm/sys_regs.c
>> @@ -460,35 +460,32 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
>> vcpu_sys_reg(vcpu, PMCR_EL0) = val;
>> }
>>
>> -static bool pmu_access_el0_disabled(struct kvm_vcpu *vcpu)
>> +static bool check_disabled(struct kvm_vcpu *vcpu, u64 flags)
>
> minor nit: check_disabled sounds too generic for a helper which checks for
> something specific to pmuserenr_el0 register in a file where we deal with
> lot of system registers. check_pmu_access_disabled() ?
Fair enough. I'll fix that.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2017-03-27 17:11 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-27 16:03 [PATCH v2 0/9] arm64: KVM: Fix PMU exception generation Marc Zyngier
2017-03-27 16:03 ` [PATCH v2 1/9] arm64: KVM: PMU: Refactor pmu_*_el0_disabled Marc Zyngier
2017-03-27 17:03 ` Suzuki K Poulose
2017-03-27 17:11 ` Marc Zyngier [this message]
2017-03-28 12:46 ` Christoffer Dall
2017-03-28 13:21 ` Marc Zyngier
2017-03-27 16:03 ` [PATCH v2 2/9] arm64: KVM: PMU: Inject UNDEF exception on illegal register access Marc Zyngier
2017-03-28 12:44 ` Christoffer Dall
2017-03-27 16:03 ` [PATCH v2 3/9] arm64: KVM: PMU: Inject UNDEF on non-privileged accesses Marc Zyngier
2017-03-28 12:45 ` Christoffer Dall
2017-03-27 16:03 ` [PATCH v2 4/9] arm64: KVM: Make unexpected reads from WO registers inject an undef Marc Zyngier
2017-03-28 12:45 ` Christoffer Dall
2017-03-27 16:03 ` [PATCH v2 5/9] arm64: KVM: PMU: Inject UNDEF on read access to PMSWINC_EL0 Marc Zyngier
2017-03-28 12:45 ` Christoffer Dall
2017-03-27 16:03 ` [PATCH v2 6/9] arm64: KVM: Treat sysreg accessors returning false as successful Marc Zyngier
2017-03-28 12:45 ` Christoffer Dall
2017-03-27 16:03 ` [PATCH v2 7/9] arm64: KVM: Do not corrupt registers on failed 64bit CP read Marc Zyngier
2017-03-28 12:46 ` Christoffer Dall
2017-03-28 13:24 ` Marc Zyngier
2017-03-27 16:03 ` [PATCH v2 8/9] arm: KVM: Make unexpected register accesses inject an undef Marc Zyngier
2017-03-28 12:46 ` Christoffer Dall
2017-03-27 16:03 ` [PATCH v2 9/9] arm: KVM: Treat CP15 accessors returning false as successful Marc Zyngier
2017-03-28 12:46 ` Christoffer Dall
2017-03-28 13:37 ` [PATCH v2 0/9] arm64: KVM: Fix PMU exception generation Christoffer Dall
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