linux-kernel - [PATCH 4/5] riscv: KVM: Fix SBI TIME error generation

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Message-ID: <20250217084506.18763-11-ajones@ventanamicro.com>
Date: Mon, 17 Feb 2025 09:45:11 +0100
From: Andrew Jones <ajones@...tanamicro.com>
To: kvm@...r.kernel.org,
	kvm-riscv@...ts.infradead.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: anup@...infault.org,
	atishp@...shpatra.org,
	paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	cleger@...osinc.com
Subject: [PATCH 4/5] riscv: KVM: Fix SBI TIME error generation

When an invalid function ID of an SBI extension is used we should
return not-supported, not invalid-param.

Fixes: 5f862df5585c ("RISC-V: KVM: Add v0.1 replacement SBI extensions defined in v0.2")
Signed-off-by: Andrew Jones <ajones@...tanamicro.com>
---
 arch/riscv/kvm/vcpu_sbi_replace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kvm/vcpu_sbi_replace.c b/arch/riscv/kvm/vcpu_sbi_replace.c
index 74e3a38c6a29..5fbf3f94f1e8 100644
--- a/arch/riscv/kvm/vcpu_sbi_replace.c
+++ b/arch/riscv/kvm/vcpu_sbi_replace.c
@@ -21,7 +21,7 @@ static int kvm_sbi_ext_time_handler(struct kvm_vcpu *vcpu, struct kvm_run *run,
 	u64 next_cycle;
 
 	if (cp->a6 != SBI_EXT_TIME_SET_TIMER) {
-		retdata->err_val = SBI_ERR_INVALID_PARAM;
+		retdata->err_val = SBI_ERR_NOT_SUPPORTED;
 		return 0;
 	}
 
-- 
2.48.1