kmap() is being deprecated in favor of kmap_local_page().
There are two main problems with kmap(): (1) It comes with an overhead as
mapping space is restricted and protected by a global lock for
synchronization and (2) it also requires global TLB invalidation when the
kmap’s pool wraps and it migh
On 03/08/2022 06:52, Baoquan He wrote:
> [...]
>>
>> Although the switch-case code of original trace_die_handler() is werid,
>> this unification is not much more comfortable. Just personal feeling
>> from code style, not strong opinion. Leave it to trace reviewers.
>
> Please ignore this comment.
On 08/03/22 at 05:36pm, Baoquan He wrote:
> On 07/19/22 at 04:53pm, Guilherme G. Piccoli wrote:
> > Currently the tracing dump_on_oops feature is implemented
> > through separate notifiers, one for die/oops and the other
> > for panic - given they have the same functionality, let's
> > unify them.
On 07/19/22 at 04:53pm, Guilherme G. Piccoli wrote:
> Currently the tracing dump_on_oops feature is implemented
> through separate notifiers, one for die/oops and the other
> for panic - given they have the same functionality, let's
> unify them.
>
> Also improve the function comment and change th
On 07/19/22 at 04:53pm, Guilherme G. Piccoli wrote:
> Although many notifiers are mentioned in the comments, the panic
> notifiers infrastructure is not. Also, the file contains some
> trailing whitespaces. Fix both issues here.
>
> Cc: Arjan van de Ven
> Cc: Cong Wang
> Cc: Sebastian Andrzej Si
