| commit | 1b8fb8d2a5ce36dee333be7a40858036d134ec57 | |
| author | Matthew Dillon <dillon@apollo.backplane.com> | |
| Thu, 5 Oct 2017 05:04:13 +0000 (4 22:04 -0700) | ||
| committer | Matthew Dillon <dillon@apollo.backplane.com> | |
| Mon, 16 Oct 2017 18:30:22 +0000 (16 11:30 -0700) | ||
| tree | d5fcb904781e7e090a543f30a10fc26522f99878 | treesnapshot (tar.gz zip) |
| parent | 5b49787bf81ce6370fea5dfb5cde2d0dddc5c13b | commitdiff |
kernel - Optimize shared -> excl spinlock contention
* When exclusive request is spinning waiting for shared holders to
release, throw in addition cpu_pause()'s based on the number of
shared holders.
Suggested-by: mjg_
* When exclusive request is spinning waiting for shared holders to
release, throw in addition cpu_pause()'s based on the number of
shared holders.
Suggested-by: mjg_
| sys/kern/kern_spinlock.c | diffblobblamehistory |