[PATCH v2] RISC-V: KVM: Fix csr_write -> csr_set for HVIEN PMU overflow bit

Michael Neuling michaelneuling at tenstorrent.com
Tue Nov 26 20:18:40 PST 2024


This doesn't cause a problem currently as HVIEN isn't used elsewhere
yet. Found by inspection.

Signed-off-by: Michael Neuling <michaelneuling at tenstorrent.com>
Fixes: 16b0bde9a37c ("RISC-V: KVM: Add perf sampling support for guests")
Reviewed-by: Atish Patra <atishp at rivosinc.com>
Reviewed-by: Anup Patel <anup at brainfault.org>
---
v2:
  Added Fixes tag
  Added Reviews
  No code change
---
 arch/riscv/kvm/aia.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kvm/aia.c b/arch/riscv/kvm/aia.c
index 2967d305c4..9f3b527596 100644
--- a/arch/riscv/kvm/aia.c
+++ b/arch/riscv/kvm/aia.c
@@ -552,7 +552,7 @@ void kvm_riscv_aia_enable(void)
 	csr_set(CSR_HIE, BIT(IRQ_S_GEXT));
 	/* Enable IRQ filtering for overflow interrupt only if sscofpmf is present */
 	if (__riscv_isa_extension_available(NULL, RISCV_ISA_EXT_SSCOFPMF))
-		csr_write(CSR_HVIEN, BIT(IRQ_PMU_OVF));
+		csr_set(CSR_HVIEN, BIT(IRQ_PMU_OVF));
 }
 
 void kvm_riscv_aia_disable(void)
-- 
2.34.1




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