Re: [PATCH 17/35] [PATCH 17/36] x86: Replace __get_cpu_var uses

Tejun Heo
2014-08-26T18:10:44Z

On Sun, Aug 17, 2014 at 12:30:40PM -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: Thomas Gleixner <tglx@linutronix.de>
> Cc: x86@kernel.org
> Acked-by: H. Peter Anvin <hpa@linux.intel.com>
> Acked-by: Ingo Molnar <mingo@kernel.org>
> 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