alpha: convert to generic helpers for IPI function calls
This converts alpha to use the new helpers for smp_call_function() and
friends, and adds support for smp_call_function_single().
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 729cdbd..dbe8c28 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -528,6 +528,7 @@
config SMP
bool "Symmetric multi-processing support"
depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
+ select USE_GENERIC_SMP_HELPERS
---help---
This enables support for systems with more than one CPU. If you have
a system with only one CPU, like most personal computers, say N. If