Now that the trap handlers return with interrupts disabled, the unconditional disabling of interrupts in the low level entry code can be removed along with the trace calls.
Add debug checks where appropriate. Signed-off-by: Thomas Gleixner <[email protected]> --- arch/x86/entry/entry_64.S | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -595,8 +595,7 @@ END(common_spurious) call do_IRQ /* rdi points to pt_regs */ /* 0(%rsp): old RSP */ ret_from_intr: - DISABLE_INTERRUPTS(CLBR_ANY) - TRACE_IRQS_OFF + DEBUG_ENTRY_ASSERT_IRQS_OFF LEAVE_IRQ_STACK @@ -1252,8 +1251,7 @@ END(paranoid_entry) */ ENTRY(paranoid_exit) UNWIND_HINT_REGS - DISABLE_INTERRUPTS(CLBR_ANY) - TRACE_IRQS_OFF_DEBUG + DEBUG_ENTRY_ASSERT_IRQS_OFF testl %ebx, %ebx /* swapgs needed? */ jnz .Lparanoid_exit_no_swapgs TRACE_IRQS_IRETQ @@ -1356,8 +1354,7 @@ END(error_entry) ENTRY(error_exit) UNWIND_HINT_REGS - DISABLE_INTERRUPTS(CLBR_ANY) - TRACE_IRQS_OFF + DEBUG_ENTRY_ASSERT_IRQS_OFF testb $3, CS(%rsp) jz retint_kernel jmp retint_user
