Commit 0c529ff7 authored by Viresh Kumar's avatar Viresh Kumar Committed by Marc Zyngier

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: default avatarDave Martin <Dave.Martin@arm.com>
Reviewed-by: default avatarDave Martin <Dave.Martin@arm.com>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 623e1528
...@@ -207,13 +207,7 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) ...@@ -207,13 +207,7 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
#define vq_word(vq) (((vq) - SVE_VQ_MIN) / 64) #define vq_word(vq) (((vq) - SVE_VQ_MIN) / 64)
#define vq_mask(vq) ((u64)1 << ((vq) - SVE_VQ_MIN) % 64) #define vq_mask(vq) ((u64)1 << ((vq) - SVE_VQ_MIN) % 64)
#define vq_present(vqs, vq) ((vqs)[vq_word(vq)] & vq_mask(vq))
static bool vq_present(
const u64 (*const vqs)[KVM_ARM64_SVE_VLS_WORDS],
unsigned int vq)
{
return (*vqs)[vq_word(vq)] & vq_mask(vq);
}
static int get_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) 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) ...@@ -258,7 +252,7 @@ static int set_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
max_vq = 0; max_vq = 0;
for (vq = SVE_VQ_MIN; vq <= SVE_VQ_MAX; ++vq) for (vq = SVE_VQ_MIN; vq <= SVE_VQ_MAX; ++vq)
if (vq_present(&vqs, vq)) if (vq_present(vqs, vq))
max_vq = vq; max_vq = vq;
if (max_vq > sve_vq_from_vl(kvm_sve_max_vl)) 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) ...@@ -272,7 +266,7 @@ static int set_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
* maximum: * maximum:
*/ */
for (vq = SVE_VQ_MIN; vq <= max_vq; ++vq) 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; return -EINVAL;
/* Can't run with no vector lengths at all: */ /* Can't run with no vector lengths at all: */
......
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