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authorDavid S. Miller <davem@davemloft.net>2012-09-26 21:11:01 -0700
committerDavid S. Miller <davem@davemloft.net>2012-09-27 00:35:11 -0700
commitae2c6ca64118b934ef85f66adb03d5bbfdd57201 (patch)
tree5eb9a50cce32cadd527d5fc92095c76c00b72bae /arch/sparc/kernel/head_64.S
parentdrivers/sbus/char: removes unnecessary semicolon (diff)
downloadlinux-dev-ae2c6ca64118b934ef85f66adb03d5bbfdd57201.tar.xz
linux-dev-ae2c6ca64118b934ef85f66adb03d5bbfdd57201.zip
sparc64: Add SPARC-T4 optimized memcpy.
Before After -------------- -------------- bw_tcp: 1288.53 MB/sec 1637.77 MB/sec bw_pipe: 1517.18 MB/sec 2107.61 MB/sec bw_unix: 1838.38 MB/sec 2640.91 MB/sec make -s -j128 allmodconfig 5min 49sec 5min 31sec Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/head_64.S')
-rw-r--r--arch/sparc/kernel/head_64.S14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index b42ddbf9651e..ee5dcced2499 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -559,10 +559,10 @@ niagara_tlb_fixup:
be,pt %xcc, niagara2_patch
nop
cmp %g1, SUN4V_CHIP_NIAGARA4
- be,pt %xcc, niagara2_patch
+ be,pt %xcc, niagara4_patch
nop
cmp %g1, SUN4V_CHIP_NIAGARA5
- be,pt %xcc, niagara2_patch
+ be,pt %xcc, niagara4_patch
nop
call generic_patch_copyops
@@ -573,6 +573,16 @@ niagara_tlb_fixup:
nop
ba,a,pt %xcc, 80f
+niagara4_patch:
+ call niagara4_patch_copyops
+ nop
+ call niagara_patch_bzero
+ nop
+ call niagara4_patch_pageops
+ nop
+
+ ba,a,pt %xcc, 80f
+
niagara2_patch:
call niagara2_patch_copyops
nop