diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2019-10-23 14:27:07 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-11-16 12:55:55 +0100 |
| commit | 45c08383141794a7e9b26f35d491b74f33ac469e (patch) | |
| tree | 12a462a4970fefe564bb2a478fc50fbd6e010431 /arch/x86/entry | |
| parent | df1a7524741b6c094786032e12a21a448321d9f6 (diff) | |
| download | linux-45c08383141794a7e9b26f35d491b74f33ac469e.tar.bz2 | |
x86/entry/64: Remove pointless jump in paranoid_exit
Jump directly to restore_regs_and_return_to_kernel instead of making
a pointless extra jump through .Lparanoid_exit_restore
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20191023123117.779277679@linutronix.de
Diffstat (limited to 'arch/x86/entry')
| -rw-r--r-- | arch/x86/entry/entry_64.S | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index d58c01239457..76942cbd95a1 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -1273,12 +1273,11 @@ SYM_CODE_START_LOCAL(paranoid_exit) /* Always restore stashed CR3 value (see paranoid_entry) */ RESTORE_CR3 scratch_reg=%rbx save_reg=%r14 SWAPGS_UNSAFE_STACK - jmp .Lparanoid_exit_restore + jmp restore_regs_and_return_to_kernel .Lparanoid_exit_no_swapgs: TRACE_IRQS_IRETQ_DEBUG /* Always restore stashed CR3 value (see paranoid_entry) */ RESTORE_CR3 scratch_reg=%rbx save_reg=%r14 -.Lparanoid_exit_restore: jmp restore_regs_and_return_to_kernel SYM_CODE_END(paranoid_exit) |