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-rw-r--r--arch/x86/include/asm/nospec-branch.h23
1 files changed, 7 insertions, 16 deletions
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index c55cc243592e..65fbf6b853af 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -59,13 +59,13 @@
#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
@@ -80,9 +80,6 @@
#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; \
@@ -95,20 +92,14 @@
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
/*
@@ -158,7 +149,7 @@
jnz 771b; \
/* barrier for jnz misprediction */ \
lfence; \
- ASM_CREDIT_CALL_DEPTH \
+ CREDIT_CALL_DEPTH \
CALL_THUNKS_DEBUG_INC_CTXSW
#else
/*
@@ -325,7 +316,7 @@
.macro CALL_DEPTH_ACCOUNT
#ifdef CONFIG_CALL_DEPTH_TRACKING
ALTERNATIVE "", \
- __stringify(ASM_INCREMENT_CALL_DEPTH), X86_FEATURE_CALL_DEPTH
+ __stringify(INCREMENT_CALL_DEPTH), X86_FEATURE_CALL_DEPTH
#endif
.endm