#ifdef CONFIG_CALL_THUNKS_DEBUG
# define CALL_THUNKS_DEBUG_INC_CALLS \
- incq %gs:__x86_call_count;
+ incq PER_CPU_VAR(__x86_call_count);
# define CALL_THUNKS_DEBUG_INC_RETS \
- incq %gs:__x86_ret_count;
+ incq PER_CPU_VAR(__x86_ret_count);
# define CALL_THUNKS_DEBUG_INC_STUFFS \
- incq %gs:__x86_stuffs_count;
+ incq PER_CPU_VAR(__x86_stuffs_count);
# define CALL_THUNKS_DEBUG_INC_CTXSW \
- incq %gs:__x86_ctxsw_count;
+ incq PER_CPU_VAR(__x86_ctxsw_count);
#else
# define CALL_THUNKS_DEBUG_INC_CALLS
# define CALL_THUNKS_DEBUG_INC_RETS
#define CREDIT_CALL_DEPTH \
movq $-1, PER_CPU_VAR(pcpu_hot + X86_call_depth);
-#define ASM_CREDIT_CALL_DEPTH \
- movq $-1, PER_CPU_VAR(pcpu_hot + X86_call_depth);
-
#define RESET_CALL_DEPTH \
xor %eax, %eax; \
bts $63, %rax; \
CALL_THUNKS_DEBUG_INC_CALLS
#define INCREMENT_CALL_DEPTH \
- sarq $5, %gs:pcpu_hot + X86_call_depth; \
- CALL_THUNKS_DEBUG_INC_CALLS
-
-#define ASM_INCREMENT_CALL_DEPTH \
sarq $5, PER_CPU_VAR(pcpu_hot + X86_call_depth); \
CALL_THUNKS_DEBUG_INC_CALLS
#else
#define CREDIT_CALL_DEPTH
-#define ASM_CREDIT_CALL_DEPTH
#define RESET_CALL_DEPTH
-#define INCREMENT_CALL_DEPTH
-#define ASM_INCREMENT_CALL_DEPTH
#define RESET_CALL_DEPTH_FROM_CALL
+#define INCREMENT_CALL_DEPTH
#endif
/*
jnz 771b; \
/* barrier for jnz misprediction */ \
lfence; \
- ASM_CREDIT_CALL_DEPTH \
+ CREDIT_CALL_DEPTH \
CALL_THUNKS_DEBUG_INC_CTXSW
#else
/*
.macro CALL_DEPTH_ACCOUNT
#ifdef CONFIG_MITIGATION_CALL_DEPTH_TRACKING
ALTERNATIVE "", \
- __stringify(ASM_INCREMENT_CALL_DEPTH), X86_FEATURE_CALL_DEPTH
+ __stringify(INCREMENT_CALL_DEPTH), X86_FEATURE_CALL_DEPTH
#endif
.endm