RISC-V: Resurrect smp_mb__after_spinlock()

Browse source

I removed this last week because of an incorrect comment:
smp_mb__after_spinlock() is actually still used, and is necessary on
RISC-V.  It's been resurrected, with a comment that describes what it
actually does this time.  Thanks to Andrea for finding the bug!

Fixes: 3343eb6806 ("RISC-V: Remove smb_mb__{before,after}_spinlock()")
CC: Andrea Parri <parri.andrea@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

...

This commit is contained in:

Palmer Dabbelt 2017-12-05 17:48:11 -08:00 • committed by Palmer Dabbelt

parent 86ad5c97ce

commit 3cfa500808

No known key found for this signature in database

GPG key ID: EF4CA1502CCBAB41

1 changed files with 19 additions and 0 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

19

arch/riscv/include/asm/barrier.h

View file