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| author | Atish Patra <atish.patra@wdc.com> | 2019-08-22 00:51:50 -0700 |
|---|---|---|
| committer | Paul Walmsley <paul.walmsley@sifive.com> | 2019-10-29 11:32:18 -0700 |
| commit | 31738ede9b339c90216b8fd10da0b1567a041f06 (patch) | |
| tree | 7dc501804afb05a31fbf29f90091a33cf75b14af /kernel/gcov/gcov.h | |
| parent | 6384423f49c804dbca02add1945e0ccf922cb522 (diff) | |
RISC-V: Issue a local tlbflush if possible.
In RISC-V, tlb flush happens via SBI which is expensive. If the local
cpu is the only cpu in cpumask, there is no need to invoke a SBI call.
Just do a local flush and return.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Diffstat (limited to 'kernel/gcov/gcov.h')
0 files changed, 0 insertions, 0 deletions