linux-kernel - [PATCH 3/7] RISC-V: KVM: Drop the _MASK suffix from hgatp.VMID mask defines

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Message-Id: <20230112140304.1830648-4-apatel@ventanamicro.com>
Date:   Thu, 12 Jan 2023 19:33:00 +0530
From:   Anup Patel <apatel@...tanamicro.com>
To:     Paolo Bonzini <pbonzini@...hat.com>,
        Atish Patra <atishp@...shpatra.org>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Andrew Jones <ajones@...tanamicro.com>,
        Anup Patel <anup@...infault.org>, kvm@...r.kernel.org,
        kvm-riscv@...ts.infradead.org, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Anup Patel <apatel@...tanamicro.com>
Subject: [PATCH 3/7] RISC-V: KVM: Drop the _MASK suffix from hgatp.VMID mask defines

The hgatp.VMID mask defines are used before shifting when extracting
VMID value from hgatp CSR value so based on the convention followed
in the other parts of asm/csr.h, the hgatp.VMID mask defines should
not have a _MASK suffix.

Signed-off-by: Anup Patel <apatel@...tanamicro.com>
---
 arch/riscv/include/asm/csr.h | 8 ++++----
 arch/riscv/kvm/mmu.c         | 3 +--
 arch/riscv/kvm/vmid.c        | 4 ++--
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index d608dac4b19f..36d580528f90 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -131,12 +131,12 @@
 
 #define HGATP32_MODE_SHIFT	31
 #define HGATP32_VMID_SHIFT	22
-#define HGATP32_VMID_MASK	_AC(0x1FC00000, UL)
+#define HGATP32_VMID		_AC(0x1FC00000, UL)
 #define HGATP32_PPN		_AC(0x003FFFFF, UL)
 
 #define HGATP64_MODE_SHIFT	60
 #define HGATP64_VMID_SHIFT	44
-#define HGATP64_VMID_MASK	_AC(0x03FFF00000000000, UL)
+#define HGATP64_VMID		_AC(0x03FFF00000000000, UL)
 #define HGATP64_PPN		_AC(0x00000FFFFFFFFFFF, UL)
 
 #define HGATP_PAGE_SHIFT	12
@@ -144,12 +144,12 @@
 #ifdef CONFIG_64BIT
 #define HGATP_PPN		HGATP64_PPN
 #define HGATP_VMID_SHIFT	HGATP64_VMID_SHIFT
-#define HGATP_VMID_MASK		HGATP64_VMID_MASK
+#define HGATP_VMID		HGATP64_VMID
 #define HGATP_MODE_SHIFT	HGATP64_MODE_SHIFT
 #else
 #define HGATP_PPN		HGATP32_PPN
 #define HGATP_VMID_SHIFT	HGATP32_VMID_SHIFT
-#define HGATP_VMID_MASK		HGATP32_VMID_MASK
+#define HGATP_VMID		HGATP32_VMID
 #define HGATP_MODE_SHIFT	HGATP32_MODE_SHIFT
 #endif
 
diff --git a/arch/riscv/kvm/mmu.c b/arch/riscv/kvm/mmu.c
index 34b57e0be2ef..034746638fa6 100644
--- a/arch/riscv/kvm/mmu.c
+++ b/arch/riscv/kvm/mmu.c
@@ -748,8 +748,7 @@ void kvm_riscv_gstage_update_hgatp(struct kvm_vcpu *vcpu)
 	unsigned long hgatp = gstage_mode;
 	struct kvm_arch *k = &vcpu->kvm->arch;
 
-	hgatp |= (READ_ONCE(k->vmid.vmid) << HGATP_VMID_SHIFT) &
-		 HGATP_VMID_MASK;
+	hgatp |= (READ_ONCE(k->vmid.vmid) << HGATP_VMID_SHIFT) & HGATP_VMID;
 	hgatp |= (k->pgd_phys >> PAGE_SHIFT) & HGATP_PPN;
 
 	csr_write(CSR_HGATP, hgatp);
diff --git a/arch/riscv/kvm/vmid.c b/arch/riscv/kvm/vmid.c
index 6cd93995fb65..6f4d4979a759 100644
--- a/arch/riscv/kvm/vmid.c
+++ b/arch/riscv/kvm/vmid.c
@@ -26,9 +26,9 @@ void kvm_riscv_gstage_vmid_detect(void)
 
 	/* Figure-out number of VMID bits in HW */
 	old = csr_read(CSR_HGATP);
-	csr_write(CSR_HGATP, old | HGATP_VMID_MASK);
+	csr_write(CSR_HGATP, old | HGATP_VMID);
 	vmid_bits = csr_read(CSR_HGATP);
-	vmid_bits = (vmid_bits & HGATP_VMID_MASK) >> HGATP_VMID_SHIFT;
+	vmid_bits = (vmid_bits & HGATP_VMID) >> HGATP_VMID_SHIFT;
 	vmid_bits = fls_long(vmid_bits);
 	csr_write(CSR_HGATP, old);
 
-- 
2.34.1