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arch/sparc: Optimized memcpy, memset, copy_to_user, copy_from_user for M7/M8

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New algorithm that takes advantage of the M7/M8 block init store
ASI, ie, overlapping pipelines and miss buffer filling.
Full details in code comments.

Signed-off-by: Babu Moger <babu.moger@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Babu Moger
2017-08-07 17:52:51 -06:00
committed by David S. Miller
parent 1ab326934f
commit b3a04ed507
7 changed files with 1435 additions and 2 deletions
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3
arch/sparc/lib/Makefile
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@@ -38,6 +38,9 @@ lib-$(CONFIG_SPARC64) += NG4patch.o NG4copy_page.o NG4clear_page.o NG4memset.o
lib-$(CONFIG_SPARC64) += Memcpy_utils.o
lib-$(CONFIG_SPARC64) += M7memcpy.o M7copy_from_user.o M7copy_to_user.o
lib-$(CONFIG_SPARC64) += M7patch.o M7memset.o
lib-$(CONFIG_SPARC64) += GENmemcpy.o GENcopy_from_user.o GENcopy_to_user.o
lib-$(CONFIG_SPARC64) += GENpatch.o GENpage.o GENbzero.o