Re: [patch V2 05/17] x86/traps: Make interrupt enable/disable symmetric in C code

Sean Christopherson
2019-10-23T14:16:16Z

On Wed, Oct 23, 2019 at 02:27:10PM +0200, Thomas Gleixner wrote:
> Traps enable interrupts conditionally but rely on the ASM return code to
> disable them again. That results in redundant interrupt disable and trace
> calls.
>
> Make the trap handlers disable interrupts before returning to avoid that,
> which allows simplification of the ASM entry code.
>
> Originally-by: Peter Zijlstra <peterz@infradead.org>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> ---

Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>