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author | David S. Miller <davem@davemloft.net> | 2012-09-26 21:11:01 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2012-09-27 00:35:11 -0700 |
commit | ae2c6ca64118b934ef85f66adb03d5bbfdd57201 (patch) | |
tree | 5eb9a50cce32cadd527d5fc92095c76c00b72bae /arch/sparc/kernel | |
parent | da201161662b8ee9c8d7bd8cc50ce3cb3366d400 (diff) | |
download | op-kernel-dev-ae2c6ca64118b934ef85f66adb03d5bbfdd57201.zip op-kernel-dev-ae2c6ca64118b934ef85f66adb03d5bbfdd57201.tar.gz |
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')
-rw-r--r-- | arch/sparc/kernel/head_64.S | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index b42ddbf..ee5dcce 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 |