diff options
| author | Thomas Gleixner | 2020-03-08 23:24:03 +0100 |
|---|---|---|
| committer | Thomas Gleixner | 2020-03-10 13:56:32 +0100 |
| commit | 810f80a61be8c1d4a574082737f7a18c7459fa7b (patch) | |
| tree | 6ba964f258a4e54289e71a678c58ce7a3b3fb423 /arch/x86/entry | |
| parent | 74a4882d723a76cb3c72caf440ca5ef3f2bca6ab (diff) | |
x86/entry/64: Trace irqflags unconditionally as ON when returning to user space
User space cannot disable interrupts any longer so trace return to user space
unconditionally as IRQS_ON.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Link: https://lkml.kernel.org/r/20200308222609.314596327@linutronix.de
Diffstat (limited to 'arch/x86/entry')
| -rw-r--r-- | arch/x86/entry/entry_32.S | 2 | ||||
| -rw-r--r-- | arch/x86/entry/entry_64.S | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 80df781d4afb..b67bae7091d7 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1088,7 +1088,7 @@ SYM_FUNC_START(entry_INT80_32) STACKLEAK_ERASE restore_all: - TRACE_IRQS_IRET + TRACE_IRQS_ON SWITCH_TO_ENTRY_STACK CHECK_AND_APPLY_ESPFIX diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index f2bb91e87877..0e9504fabe52 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -174,7 +174,7 @@ SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe, SYM_L_GLOBAL) movq %rsp, %rsi call do_syscall_64 /* returns with IRQs disabled */ - TRACE_IRQS_IRETQ /* we're about to change IF */ + TRACE_IRQS_ON /* return enables interrupts */ /* * Try to use SYSRET instead of IRET if we're returning to @@ -619,7 +619,7 @@ ret_from_intr: .Lretint_user: mov %rsp,%rdi call prepare_exit_to_usermode - TRACE_IRQS_IRETQ + TRACE_IRQS_ON SYM_INNER_LABEL(swapgs_restore_regs_and_return_to_usermode, SYM_L_GLOBAL) #ifdef CONFIG_DEBUG_ENTRY |