riscv: optimize send_ipi_single

Browse source

Don't go through send_ipi_mask, but just set the op bit and then pass
a simple generated hartid mask directly to sbi_send_ipi.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
[paul.walmsley@sifive.com: minor patch description fixes]
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>

...

This commit is contained in:

Christoph Hellwig 2019-08-21 23:58:34 +09:00 • committed by Paul Walmsley

parent 1db7a7ca5a

commit e11ea2a02b

1 changed files with 7 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

8

arch/riscv/kernel/smp.c

View file