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Message-Id: <20220420013258.3639264-2-atishp@rivosinc.com>
Date: Tue, 19 Apr 2022 18:32:57 -0700
From: Atish Patra <atishp@...osinc.com>
To: kvm@...r.kernel.org
Cc: Atish Patra <atishp@...osinc.com>,
Atish Patra <atishp@...shpatra.org>,
Anup Patel <anup@...infault.org>,
Damien Le Moal <damien.lemoal@....com>,
devicetree@...r.kernel.org, Jisheng Zhang <jszhang@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
Palmer Dabbelt <palmer@...belt.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Rob Herring <robh+dt@...nel.org>, kvm-riscv@...ts.infradead.org
Subject: [PATCH 1/2] RISC-V: KVM: Remove 's' & 'u' as valid ISA extension
There are no ISA extension defined as 's' & 'u' in RISC-V specifications.
The misa register defines 's' & 'u' bit as Supervisor/User privilege mode
enabled. But it should not appear in the ISA extension in the device tree.
Remove those from the allowed ISA extension for kvm.
Signed-off-by: Atish Patra <atishp@...osinc.com>
---
arch/riscv/kvm/vcpu.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c
index 6785aef4cbd4..2e25a7b83a1b 100644
--- a/arch/riscv/kvm/vcpu.c
+++ b/arch/riscv/kvm/vcpu.c
@@ -43,9 +43,7 @@ const struct kvm_stats_header kvm_vcpu_stats_header = {
riscv_isa_extension_mask(d) | \
riscv_isa_extension_mask(f) | \
riscv_isa_extension_mask(i) | \
- riscv_isa_extension_mask(m) | \
- riscv_isa_extension_mask(s) | \
- riscv_isa_extension_mask(u))
+ riscv_isa_extension_mask(m))
static void kvm_riscv_reset_vcpu(struct kvm_vcpu *vcpu)
{
--
2.25.1
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