Date: Sat, 7 May 2022 19:58:13 GMT From: Kristof Provost <kp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: cbbce42345c5 - main - epair: unbind prior to returning to userspace Message-ID: <202205071958.247JwDKD040406@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch main has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=cbbce42345c51536d7dc63643f47a3cbf87d647e commit cbbce42345c51536d7dc63643f47a3cbf87d647e Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2022-05-07 15:15:34 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2022-05-07 16:17:33 +0000 epair: unbind prior to returning to userspace If 'options RSS' is set we bind the epair tasks to different CPUs. We must take care to not keep the current thread bound to the last CPU when we return to userspace. MFC after: 1 week Sponsored by: Orange Business Services --- sys/net/if_epair.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/net/if_epair.c b/sys/net/if_epair.c index e9b056ef2bd6..21e50b5171aa 100644 --- a/sys/net/if_epair.c +++ b/sys/net/if_epair.c @@ -826,6 +826,9 @@ epair_mod_init(void) epair_tasks.tasks++; } + thread_lock(curthread); + sched_unbind(curthread); + thread_unlock(curthread); #else snprintf(name, sizeof(name), "epair_task");
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202205071958.247JwDKD040406>