Re: [PATCH 22/35] [PATCH 22/36] s390: Replace __get_cpu_var uses

Tejun Heo
2014-08-26T18:13:24Z

On Sun, Aug 17, 2014 at 12:30:45PM -0500, Christoph Lameter wrote:
> __get_cpu_var() is used for multiple purposes in the kernel source. One of
> them is address calculation via the form &__get_cpu_var(x). This calculates
> the address for the instance of the percpu variable of the current processor
> based on an offset.
>
> Other use cases are for storing and retrieving data from the current
> processors percpu area. __get_cpu_var() can be used as an lvalue when
> writing data or on the right side of an assignment.
...
> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> CC: linux390@de.ibm.com
> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
> Signed-off-by: Christoph Lameter <cl@linux.com>

(Please disregard the ones I posted for v1 of the patch series)

Applied to percpu/for-3.18-consistent-ops. Please let me know if this
patch should be routed differently. Note that this patch was to be
applied to percpu/for-3.17 but delayed due to build issues caused by
cpumask_var_t.

Thanks.

--
tejun