From: Anup Patel Date: Mon, 9 Jan 2023 06:25:55 +0000 (+0530) Subject: RISC-V: KVM: Drop the _MASK suffix from hgatp.VMID mask defines X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e290dbb7f73670e06df7f8ec44c3f502c20707d7;p=linux.git 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. While we are here, let's use GENMASK() for hgatp.VMID and hgatp.PPN. Signed-off-by: Anup Patel Reviewed-by: Andrew Jones Reviewed-by: Atish Patra Signed-off-by: Anup Patel --- diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h index 3c8d68152bcef..3176355cf4e96 100644 --- a/arch/riscv/include/asm/csr.h +++ b/arch/riscv/include/asm/csr.h @@ -131,25 +131,25 @@ #define HGATP32_MODE_SHIFT 31 #define HGATP32_VMID_SHIFT 22 -#define HGATP32_VMID_MASK _AC(0x1FC00000, UL) -#define HGATP32_PPN _AC(0x003FFFFF, UL) +#define HGATP32_VMID GENMASK(28, 22) +#define HGATP32_PPN GENMASK(21, 0) #define HGATP64_MODE_SHIFT 60 #define HGATP64_VMID_SHIFT 44 -#define HGATP64_VMID_MASK _AC(0x03FFF00000000000, UL) -#define HGATP64_PPN _AC(0x00000FFFFFFFFFFF, UL) +#define HGATP64_VMID GENMASK(57, 44) +#define HGATP64_PPN GENMASK(43, 0) #define HGATP_PAGE_SHIFT 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 46d6929958306..f2eb47925806b 100644 --- a/arch/riscv/kvm/mmu.c +++ b/arch/riscv/kvm/mmu.c @@ -755,8 +755,7 @@ 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 5246da1c91677..ddc98714ce8ed 100644 --- a/arch/riscv/kvm/vmid.c +++ b/arch/riscv/kvm/vmid.c @@ -26,9 +26,9 @@ void __init 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);