| Date | Tue, 26 Aug 2014 14:13:53 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH 24/35] [PATCH 24/36] ia64: Replace __get_cpu_var uses |
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On Sun, Aug 17, 2014 at 12:30:47PM -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: Tony Luck <tony.luck@intel.com> > Cc: Fenghua Yu <fenghua.yu@intel.com> > Cc: linux-ia64@vger.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
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