| commit | 618537cfaa49437046c077c8f6699125520cbf5b | |
| author | Matthew Dillon <dillon@apollo.backplane.com> | |
| Thu, 19 Oct 2017 03:04:43 +0000 (18 20:04 -0700) | ||
| committer | Matthew Dillon <dillon@apollo.backplane.com> | |
| Thu, 19 Oct 2017 03:51:50 +0000 (18 20:51 -0700) | ||
| tree | 2c9ab8ef5b7c75647b954e24a7c49a74b5a23573 | treesnapshot (tar.gz zip) |
| parent | e8e93b5f635438c7c3d3acff28563c51512686db | commitdiff |
kernel - Make certain sysctl's unlocked
* Automatically flag all SYSCTL_[U]INT, [U]LONG, and [U]QUAD
definitions CTLFLAG_NOLOCK. These do not have to be locked.
Will improve program startup performance a tad.
* Flag a ton of other sysctls used in program startup and
also 'ps' CTLFLAG_NOLOCK.
* For kern.hostname, interlock changes using XLOCK and allow
the sysctl to run NOLOCK, avoiding unnecessary cache line
bouncing.
* Automatically flag all SYSCTL_[U]INT, [U]LONG, and [U]QUAD
definitions CTLFLAG_NOLOCK. These do not have to be locked.
Will improve program startup performance a tad.
* Flag a ton of other sysctls used in program startup and
also 'ps' CTLFLAG_NOLOCK.
* For kern.hostname, interlock changes using XLOCK and allow
the sysctl to run NOLOCK, avoiding unnecessary cache line
bouncing.