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authorBen Hutchings <bhutchings@solarflare.com>2011-01-19 11:03:25 +0000
committerDavid S. Miller <davem@davemloft.net>2011-01-24 14:51:56 -0800
commitc39649c331c70952700f99832b03f87e9d7f5b4b (patch)
tree19ba9cea5102595e42bcd043aa53eb666ea834fa /lib/Makefile
parentc2df88cbb43c25db27fbbf94e92318bdad018f3e (diff)
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lib: cpu_rmap: CPU affinity reverse-mapping
When initiating I/O on a multiqueue and multi-IRQ device, we may want to select a queue for which the response will be handled on the same or a nearby CPU. This requires a reverse-map of IRQ affinity. Add library functions to support a generic reverse-mapping from CPUs to objects with affinity and the specific case where the objects are IRQs. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/Makefile')
-rw-r--r--lib/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Makefile b/lib/Makefile
index cbb774f7d41..b73ba01a818 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -110,6 +110,8 @@ obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
obj-$(CONFIG_AVERAGE) += average.o
+obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
+
hostprogs-y := gen_crc32table
clean-files := crc32table.h