[PATCH] KVM: arm64: nv: Use reg_to_encoding() to get sysreg ID

[PATCH] KVM: arm64: nv: Use reg_to_encoding() to get sysreg ID

[Oliver Upton]

Avoid open-coding and just use the helper to encode the ID from the
sysreg table entry.

No functional change intended.

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---

Applies to github.com/oupton/linux kvm-arm64/nv-prefix

 arch/arm64/kvm/nested.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index f7ec27c27a4f..315354d27978 100644
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -26,8 +26,7 @@
 void access_nested_id_reg(struct kvm_vcpu *v, struct sys_reg_params *p,
 			  const struct sys_reg_desc *r)
 {
-	u32 id = sys_reg((u32)r->Op0, (u32)r->Op1,
-			 (u32)r->CRn, (u32)r->CRm, (u32)r->Op2);
+	u32 id = reg_to_encoding(r);
 	u64 val, tmp;
 
 	val = p->regval;
-- 
2.39.1.581.gbfd45094c4-goog


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Re: [PATCH] KVM: arm64: nv: Use reg_to_encoding() to get sysreg ID

[Marc Zyngier]

On Sat, 11 Feb 2023 19:07:42 +0000,
Oliver Upton <oliver.upton@linux.dev> wrote:
> 
> Avoid open-coding and just use the helper to encode the ID from the
> sysreg table entry.
> 
> No functional change intended.
> 
> Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

Acked-by: Marc Zyngier <maz@kernel.org>

	M.

-- 
Without deviation from the norm, progress is not possible.

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