[PATCH 6/7] KVM: arm64: Remove cpacr_clear_set()
Mark Rutland
mark.rutland at arm.com
Tue Jun 17 06:37:17 PDT 2025
We no longer use cpacr_clear_set().
Remove cpacr_clear_set() and its helper functions.
Signed-off-by: Mark Rutland <mark.rutland at arm.com>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Fuad Tabba <tabba at google.com>
Cc: Marc Zyngier <maz at kernel.org>
Cc: Mark Brown <broonie at kernel.org>
Cc: Oliver Upton <oliver.upton at linux.dev>
Cc: Will Deacon <will at kernel.org>
---
arch/arm64/include/asm/kvm_emulate.h | 62 ----------------------------
1 file changed, 62 deletions(-)
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index bd020fc28aa9c..0720898f563e9 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -561,68 +561,6 @@ static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)
vcpu_set_flag((v), e); \
} while (0)
-#define __build_check_all_or_none(r, bits) \
- BUILD_BUG_ON(((r) & (bits)) && ((r) & (bits)) != (bits))
-
-#define __cpacr_to_cptr_clr(clr, set) \
- ({ \
- u64 cptr = 0; \
- \
- if ((set) & CPACR_EL1_FPEN) \
- cptr |= CPTR_EL2_TFP; \
- if ((set) & CPACR_EL1_ZEN) \
- cptr |= CPTR_EL2_TZ; \
- if ((set) & CPACR_EL1_SMEN) \
- cptr |= CPTR_EL2_TSM; \
- if ((clr) & CPACR_EL1_TTA) \
- cptr |= CPTR_EL2_TTA; \
- if ((clr) & CPTR_EL2_TAM) \
- cptr |= CPTR_EL2_TAM; \
- if ((clr) & CPTR_EL2_TCPAC) \
- cptr |= CPTR_EL2_TCPAC; \
- \
- cptr; \
- })
-
-#define __cpacr_to_cptr_set(clr, set) \
- ({ \
- u64 cptr = 0; \
- \
- if ((clr) & CPACR_EL1_FPEN) \
- cptr |= CPTR_EL2_TFP; \
- if ((clr) & CPACR_EL1_ZEN) \
- cptr |= CPTR_EL2_TZ; \
- if ((clr) & CPACR_EL1_SMEN) \
- cptr |= CPTR_EL2_TSM; \
- if ((set) & CPACR_EL1_TTA) \
- cptr |= CPTR_EL2_TTA; \
- if ((set) & CPTR_EL2_TAM) \
- cptr |= CPTR_EL2_TAM; \
- if ((set) & CPTR_EL2_TCPAC) \
- cptr |= CPTR_EL2_TCPAC; \
- \
- cptr; \
- })
-
-#define cpacr_clear_set(clr, set) \
- do { \
- BUILD_BUG_ON((set) & CPTR_VHE_EL2_RES0); \
- BUILD_BUG_ON((clr) & CPACR_EL1_E0POE); \
- __build_check_all_or_none((clr), CPACR_EL1_FPEN); \
- __build_check_all_or_none((set), CPACR_EL1_FPEN); \
- __build_check_all_or_none((clr), CPACR_EL1_ZEN); \
- __build_check_all_or_none((set), CPACR_EL1_ZEN); \
- __build_check_all_or_none((clr), CPACR_EL1_SMEN); \
- __build_check_all_or_none((set), CPACR_EL1_SMEN); \
- \
- if (has_vhe() || has_hvhe()) \
- sysreg_clear_set(cpacr_el1, clr, set); \
- else \
- sysreg_clear_set(cptr_el2, \
- __cpacr_to_cptr_clr(clr, set), \
- __cpacr_to_cptr_set(clr, set));\
- } while (0)
-
/*
* Returns a 'sanitised' view of CPTR_EL2, translating from nVHE to the VHE
* format if E2H isn't set.
--
2.30.2
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