[RFC PATCH 0/9]powerpc: "paca->soft_enabled" based local atomic operation implementation

[Benjamin Herrenschmidt]

On Mon, 2016-07-25 at 20:22 +0530, Madhavan Srinivasan wrote:
> But this patchset uses Benjamin Herrenschmidt suggestion of using
> arch_local_irq_disable_var() to soft_disable interrupts (including PMIs).
> After finishing the "op", arch_local_irq_restore() called and correspondingly
> interrupts are replayed if any occured.

I am not fan of "var", we probably want "level".

Also be careful, you might be already soft-disabled at level 1, you
must restore to level 1, not level 0 in that case. Might want to
actually return the level in "flags" and restore that.

Cheers,
Ben.