xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sparc64: Add SPARC-T4 optimized memcpy.

Browse Source 
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>
This commit is contained in:
David S. Miller
2012-09-26 21:11:01 -07:00
parent da20116166
commit ae2c6ca641
8 changed files with 546 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
arch/sparc/kernel/head_64.S
View File

@@ -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