With FIXUP_TOP_OF_STACK removed, this intermediate jump
is unnecessary.
Signed-off-by: Denys Vlasenko <[email protected]>
CC: Linus Torvalds <[email protected]>
CC: Steven Rostedt <[email protected]>
CC: Ingo Molnar <[email protected]>
CC: Borislav Petkov <[email protected]>
CC: "H. Peter Anvin" <[email protected]>
CC: Andy Lutomirski <[email protected]>
CC: Oleg Nesterov <[email protected]>
CC: Frederic Weisbecker <[email protected]>
CC: Alexei Starovoitov <[email protected]>
CC: Will Drewry <[email protected]>
CC: Kees Cook <[email protected]>
CC: [email protected]
CC: [email protected]
---
arch/x86/kernel/entry_64.S | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 829459e..8d7f905 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -268,7 +268,7 @@ system_call_fastpath:
*/
ret_from_sys_call:
testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,SIZEOF_PTREGS)
- jnz int_ret_from_sys_call_fixup /* Go the the slow path */
+ jnz int_ret_from_sys_call /* Go the slow path */
LOCKDEP_SYS_EXIT
DISABLE_INTERRUPTS(CLBR_NONE)
@@ -293,9 +293,6 @@ ret_from_sys_call:
CFI_RESTORE_STATE
-int_ret_from_sys_call_fixup:
- jmp int_ret_from_sys_call
-
/* Do syscall entry tracing */
tracesys:
movq %rsp, %rdi
--
1.8.1.4
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