arm64: avoid using hard-coded registers for LSE atomics

Browse source

Now that we have removed the out-of-line ll/sc atomics we can give
the compiler the freedom to choose its own register allocation.

Remove the hard-coded use of x30.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>

...

This commit is contained in:

Andrew Murray 2019-08-28 18:50:08 +01:00 • committed by Will Deacon

parent addfc38672

commit 3337cb5aea

1 changed files with 41 additions and 29 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

70

arch/arm64/include/asm/atomic_lse.h

View file