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Diffstat (limited to 'arch/x86/kernel/entry_64.S')
-rw-r--r--arch/x86/kernel/entry_64.S27
1 files changed, 11 insertions, 16 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 586bed67755..83d1836b946 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -48,7 +48,7 @@
#include <asm/unistd.h>
#include <asm/thread_info.h>
#include <asm/hw_irq.h>
-#include <asm/page.h>
+#include <asm/page_types.h>
#include <asm/irqflags.h>
#include <asm/paravirt.h>
#include <asm/ftrace.h>
@@ -77,20 +77,17 @@ ENTRY(ftrace_caller)
movq 8(%rbp), %rsi
subq $MCOUNT_INSN_SIZE, %rdi
-.globl ftrace_call
-ftrace_call:
+GLOBAL(ftrace_call)
call ftrace_stub
MCOUNT_RESTORE_FRAME
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-.globl ftrace_graph_call
-ftrace_graph_call:
+GLOBAL(ftrace_graph_call)
jmp ftrace_stub
#endif
-.globl ftrace_stub
-ftrace_stub:
+GLOBAL(ftrace_stub)
retq
END(ftrace_caller)
@@ -110,8 +107,7 @@ ENTRY(mcount)
jnz ftrace_graph_caller
#endif
-.globl ftrace_stub
-ftrace_stub:
+GLOBAL(ftrace_stub)
retq
trace:
@@ -148,9 +144,7 @@ ENTRY(ftrace_graph_caller)
retq
END(ftrace_graph_caller)
-
-.globl return_to_handler
-return_to_handler:
+GLOBAL(return_to_handler)
subq $80, %rsp
movq %rax, (%rsp)
@@ -188,6 +182,7 @@ return_to_handler:
ENTRY(native_usergs_sysret64)
swapgs
sysretq
+ENDPROC(native_usergs_sysret64)
#endif /* CONFIG_PARAVIRT */
@@ -410,6 +405,8 @@ END(save_paranoid)
ENTRY(ret_from_fork)
DEFAULT_FRAME
+ LOCK ; btr $TIF_FORK,TI_flags(%r8)
+
push kernel_eflags(%rip)
CFI_ADJUST_CFA_OFFSET 8
popf # reset kernel eflags
@@ -631,16 +628,14 @@ tracesys:
* Syscall return path ending with IRET.
* Has correct top of stack, but partial stack frame.
*/
- .globl int_ret_from_sys_call
- .globl int_with_check
-int_ret_from_sys_call:
+GLOBAL(int_ret_from_sys_call)
DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
testl $3,CS-ARGOFFSET(%rsp)
je retint_restore_args
movl $_TIF_ALLWORK_MASK,%edi
/* edi: mask to check */
-int_with_check:
+GLOBAL(int_with_check)
LOCKDEP_SYS_EXIT_IRQ
GET_THREAD_INFO(%rcx)
movl TI_flags(%rcx),%edx