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@xxxxxxxxx> > Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx> > Cc: linux-ia64@xxxxxxxxxxxxxxx > Signed-off-by: Christoph Lameter <cl@xxxxxxxxx> (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 -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
|