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| author | David S. Miller | 2017-08-10 07:15:31 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-08-10 07:15:31 +0200 |
| commit | 5389e239eba5ef0e1cad596dba4860890a3e6965 (patch) | |
| tree | 1a27965ab0da09dd07cfa6a7515aa21deee0984e /arch/mips/kernel/ftrace.c | |
| parent | Merge branch 'sparc64-Add-16GB-hugepage-support' (diff) | |
| parent | sparc64: Use CPU_POKE to resume idle cpu (diff) | |
| download | kernel-qcow2-linux-5389e239eba5ef0e1cad596dba4860890a3e6965.tar.gz kernel-qcow2-linux-5389e239eba5ef0e1cad596dba4860890a3e6965.tar.xz kernel-qcow2-linux-5389e239eba5ef0e1cad596dba4860890a3e6965.zip | |
Merge branch 'sparc64-Use-low-latency-path-to-resume-idle-cpu'
Vijay Kumar says:
====================
sparc64: Use low latency path to resume idle cpu
CPU_POKE is a low latency path to resume the target cpu if suspended
using CPU_YIELD. Use CPU_POKE to resume cpu if supported by hypervisor.
Hackbench results (lower is better):
Number of
Process: w/o fix with fix
1 0.012 0.010
10 0.021 0.019
100 0.151 0.148
Changelog:
v2:
- Fixed comments and spacing (2/2)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/mips/kernel/ftrace.c')
0 files changed, 0 insertions, 0 deletions