On 5/4/18 8:32 AM, Sebastian Andrzej Siewior wrote:
> bounce_copy_vec() disables interrupts around kmap_atomic(). This is a
> leftover from the old kmap_atomic() implementation which relied on fixed
> mapping slots, so the caller had to make sure that the same slot could not
> be reused from an interrupting context.
>
> kmap_atomic() was changed to dynamic slots long ago and commit 1ec9c5ddc17a
> ("include/linux/highmem.h: remove the second argument of k[un]map_atomic()")
> removed the slot assignements, but the callers were not checked for now
> redundant interrupt disabling.
>
> Remove the conditional interrupt disable.
All three patches look fine to me, I'll queue them up for 4.18. In
the future, please include a cover letter for block patches when
sending > 1 patch. Makes it easier to reply to the series as a whole.
--
Jens Axboe
