Re: [PATCH 01/15] x86/entry/32: Clean up return from interrupt preemption path

From: Josh Poimboeuf
Date: Fri Jun 07 2019 - 10:25:32 EST

On Wed, Jun 05, 2019 at 03:07:54PM +0200, Peter Zijlstra wrote:
> The code flow around the return from interrupt preemption point seems
> needlesly complicated.


> There is only one site jumping to resume_kernel, and none (outside of
> resume_kernel) jumping to restore_all_kernel. Inline resume_kernel
> in restore_all_kernel and avoid the CONFIG_PREEMPT dependent label.
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>

Reviewed-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>