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-rw-r--r--arch/arm64/include/asm/cputype.h2
-rw-r--r--arch/arm64/include/asm/kvm_host.h25
-rw-r--r--arch/arm64/include/asm/uprobes.h8
3 files changed, 18 insertions, 17 deletions
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 5a7dfeb8e8eb..488f8e751349 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -94,6 +94,7 @@
#define ARM_CPU_PART_NEOVERSE_V3 0xD84
#define ARM_CPU_PART_CORTEX_X925 0xD85
#define ARM_CPU_PART_CORTEX_A725 0xD87
+#define ARM_CPU_PART_NEOVERSE_N3 0xD8E
#define APM_CPU_PART_XGENE 0x000
#define APM_CPU_VAR_POTENZA 0x00
@@ -176,6 +177,7 @@
#define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3)
#define MIDR_CORTEX_X925 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X925)
#define MIDR_CORTEX_A725 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A725)
+#define MIDR_NEOVERSE_N3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N3)
#define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX)
#define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX)
#define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX)
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 329619c6fa96..94cff508874b 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -1441,11 +1441,6 @@ void kvm_set_vm_id_reg(struct kvm *kvm, u32 reg, u64 val);
sign_extend64(__val, id##_##fld##_WIDTH - 1); \
})
-#define expand_field_sign(id, fld, val) \
- (id##_##fld##_SIGNED ? \
- __expand_field_sign_signed(id, fld, val) : \
- __expand_field_sign_unsigned(id, fld, val))
-
#define get_idreg_field_unsigned(kvm, id, fld) \
({ \
u64 __val = kvm_read_vm_id_reg((kvm), SYS_##id); \
@@ -1461,20 +1456,26 @@ void kvm_set_vm_id_reg(struct kvm *kvm, u32 reg, u64 val);
#define get_idreg_field_enum(kvm, id, fld) \
get_idreg_field_unsigned(kvm, id, fld)
-#define get_idreg_field(kvm, id, fld) \
+#define kvm_cmp_feat_signed(kvm, id, fld, op, limit) \
+ (get_idreg_field_signed((kvm), id, fld) op __expand_field_sign_signed(id, fld, limit))
+
+#define kvm_cmp_feat_unsigned(kvm, id, fld, op, limit) \
+ (get_idreg_field_unsigned((kvm), id, fld) op __expand_field_sign_unsigned(id, fld, limit))
+
+#define kvm_cmp_feat(kvm, id, fld, op, limit) \
(id##_##fld##_SIGNED ? \
- get_idreg_field_signed(kvm, id, fld) : \
- get_idreg_field_unsigned(kvm, id, fld))
+ kvm_cmp_feat_signed(kvm, id, fld, op, limit) : \
+ kvm_cmp_feat_unsigned(kvm, id, fld, op, limit))
#define kvm_has_feat(kvm, id, fld, limit) \
- (get_idreg_field((kvm), id, fld) >= expand_field_sign(id, fld, limit))
+ kvm_cmp_feat(kvm, id, fld, >=, limit)
#define kvm_has_feat_enum(kvm, id, fld, val) \
- (get_idreg_field_unsigned((kvm), id, fld) == __expand_field_sign_unsigned(id, fld, val))
+ kvm_cmp_feat_unsigned(kvm, id, fld, ==, val)
#define kvm_has_feat_range(kvm, id, fld, min, max) \
- (get_idreg_field((kvm), id, fld) >= expand_field_sign(id, fld, min) && \
- get_idreg_field((kvm), id, fld) <= expand_field_sign(id, fld, max))
+ (kvm_cmp_feat(kvm, id, fld, >=, min) && \
+ kvm_cmp_feat(kvm, id, fld, <=, max))
/* Check for a given level of PAuth support */
#define kvm_has_pauth(k, l) \
diff --git a/arch/arm64/include/asm/uprobes.h b/arch/arm64/include/asm/uprobes.h
index 2b09495499c6..014b02897f8e 100644
--- a/arch/arm64/include/asm/uprobes.h
+++ b/arch/arm64/include/asm/uprobes.h
@@ -10,11 +10,9 @@
#include <asm/insn.h>
#include <asm/probes.h>
-#define MAX_UINSN_BYTES AARCH64_INSN_SIZE
-
#define UPROBE_SWBP_INSN cpu_to_le32(BRK64_OPCODE_UPROBES)
#define UPROBE_SWBP_INSN_SIZE AARCH64_INSN_SIZE
-#define UPROBE_XOL_SLOT_BYTES MAX_UINSN_BYTES
+#define UPROBE_XOL_SLOT_BYTES AARCH64_INSN_SIZE
typedef __le32 uprobe_opcode_t;
@@ -23,8 +21,8 @@ struct arch_uprobe_task {
struct arch_uprobe {
union {
- u8 insn[MAX_UINSN_BYTES];
- u8 ixol[MAX_UINSN_BYTES];
+ __le32 insn;
+ __le32 ixol;
};
struct arch_probe_insn api;
bool simulate;