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| author | Guo Ren <guoren@linux.alibaba.com> | 2020-01-31 20:33:10 +0800 |
|---|---|---|
| committer | Guo Ren <guoren@linux.alibaba.com> | 2020-02-21 15:43:24 +0800 |
| commit | 997153b9a75c08d545ad45e6f8ceb432435d2425 (patch) | |
| tree | 830915f73d05e7d094d2f293a712e05c0da1e6f5 /kernel/rcu/Kconfig.debug | |
| parent | cc1f6563a92ced0889775d0587316d725b6e1a68 (diff) | |
csky: Add flush_icache_mm to defer flush icache all
Some CPUs don't support icache.va instruction to maintain the whole
smp cores' icache. Using icache.all + IPI casue a lot on performace
and using defer mechanism could reduce the number of calling icache
_flush_all functions.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Diffstat (limited to 'kernel/rcu/Kconfig.debug')
0 files changed, 0 insertions, 0 deletions