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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2019-06-10 15:30:03 +0530 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2019-06-12 15:53:33 +0100 |
| commit | 0c529ff789bc7a3efbc732753e0b0fd9f4d9a4a4 (patch) | |
| tree | f3c26cd79a0bc6c5b5cfa7b94471d8fa858dc628 /arch | |
| parent | 623e1528d4090bd1abaf93ec46f047dee9a6fb32 (diff) | |
| download | lwn-0c529ff789bc7a3efbc732753e0b0fd9f4d9a4a4.tar.gz lwn-0c529ff789bc7a3efbc732753e0b0fd9f4d9a4a4.zip | |
KVM: arm64: Implement vq_present() as a macro
This routine is a one-liner and doesn't really need to be function and
can be implemented as a macro.
Suggested-by: Dave Martin <Dave.Martin@arm.com>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kvm/guest.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 3ae2f82fca46..ae734fcfd4ea 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -207,13 +207,7 @@ out: #define vq_word(vq) (((vq) - SVE_VQ_MIN) / 64) #define vq_mask(vq) ((u64)1 << ((vq) - SVE_VQ_MIN) % 64) - -static bool vq_present( - const u64 (*const vqs)[KVM_ARM64_SVE_VLS_WORDS], - unsigned int vq) -{ - return (*vqs)[vq_word(vq)] & vq_mask(vq); -} +#define vq_present(vqs, vq) ((vqs)[vq_word(vq)] & vq_mask(vq)) static int get_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) { @@ -258,7 +252,7 @@ static int set_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) max_vq = 0; for (vq = SVE_VQ_MIN; vq <= SVE_VQ_MAX; ++vq) - if (vq_present(&vqs, vq)) + if (vq_present(vqs, vq)) max_vq = vq; if (max_vq > sve_vq_from_vl(kvm_sve_max_vl)) @@ -272,7 +266,7 @@ static int set_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) * maximum: */ for (vq = SVE_VQ_MIN; vq <= max_vq; ++vq) - if (vq_present(&vqs, vq) != sve_vq_available(vq)) + if (vq_present(vqs, vq) != sve_vq_available(vq)) return -EINVAL; /* Can't run with no vector lengths at all: */ |