On 10/23/19 2:27 PM, Thomas Gleixner wrote:
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 and the misnomed preempt_stop macro. As a consequence ret_from_exception and ret_from_intr collapse. Add a debug check to verify that interrupts are disabled depending on CONFIG_DEBUG_ENTRY. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- arch/x86/entry/entry_32.S | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-)
Reviewed-by: Alexandre Chartre <alexandre.chartre@xxxxxxxxxx> alex.