sparc64: Use sparc optimized fls and __fls for T4 and above

Browse source

For T4 and above, patch fls and __fls functions
at the boot time to use lzcnt instruction.

Signed-off-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Vijay Kumar 2017-10-11 12:50:06 -06:00 • committed by David S. Miller

parent 2b41ce5df2

commit 46ad8d2d22

2 changed files with 11 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

2

arch/sparc/kernel/head_64.S

View file

9

arch/sparc/lib/NG4patch.S

View file