| commit | a094cc95c3d6615ac48e1e6eb359d5bd96ed4da8 | |
| author | Matthew Dillon <dillon@apollo.backplane.com> | |
| Wed, 25 Jan 2017 17:25:40 +0000 (25 09:25 -0800) | ||
| committer | Matthew Dillon <dillon@apollo.backplane.com> | |
| Wed, 25 Jan 2017 19:07:49 +0000 (25 11:07 -0800) | ||
| tree | cae6fd09288d6b8d545edf0ab126b810e87322e6 | treesnapshot (tar.gz zip) |
| parent | ceb0e493cb08475ce07ea2617ddb66b9b8479e37 | commitdiff |
kernel - Optimize lwp-specific signaling.
* Optimize the signal code to remove most instances of needing proc->p_token
when lwp-specific signals are sent.
* Add a CURSIG_LCK_TRACE() macro which can now return with p_token held, and
pass the status to postsig() which then consumes it.
* lwpsignal() now tries very hard to avoid acquiring proc->p_token.
* Significantly improves vkernel operation under heavy (vkernel) IPI loads.
* Optimize the signal code to remove most instances of needing proc->p_token
when lwp-specific signals are sent.
* Add a CURSIG_LCK_TRACE() macro which can now return with p_token held, and
pass the status to postsig() which then consumes it.
* lwpsignal() now tries very hard to avoid acquiring proc->p_token.
* Significantly improves vkernel operation under heavy (vkernel) IPI loads.
12 files changed: