Srivatsa S. Bhat 1b67bee129 powerpc: Implement tick broadcast IPI as a fixed IPI message ... For scalability and performance reasons, we want the tick broadcast IPIs to be handled as efficiently as possible. Fixed IPI messages are one of the most efficient mechanisms available - they are faster than the smp_call_function mechanism because the IPI handlers are fixed and hence they don't involve costly operations such as adding IPI handlers to the target CPU's function queue, acquiring locks for synchronization etc. Luckily we have an unused IPI message slot, so use that to implement tick broadcast IPIs efficiently. Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> [Functions renamed to tick_broadcast* and Changelog modified by Preeti U. Murthy<preeti@linux.vnet.ibm.com>] Signed-off-by: Preeti U. Murthy <preeti@linux.vnet.ibm.com> Acked-by: Geoff Levand <geoff@infradead.org> [For the PS3 part] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>		2014-03-05 15:55:04 +11:00
..
asm	powerpc: Implement tick broadcast IPI as a fixed IPI message	2014-03-05 15:55:04 +11:00
uapi/asm	Second batch of KVM updates. Some minor x86 fixes,	2014-01-31 08:37:32 -08:00