Date: Mon, 6 Aug 2018 10:48:21 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r337376 - in head/sys/compat/linuxkpi/common: include/linux src Message-ID: <201808061048.w76AmLoY093117@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: hselasky Date: Mon Aug 6 10:48:20 2018 New Revision: 337376 URL: https://svnweb.freebsd.org/changeset/base/337376 Log: Implement current_work() function in the LinuxKPI. Tested by: Johannes Lundberg <johalun0@gmail.com> MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/compat/linuxkpi/common/include/linux/sched.h head/sys/compat/linuxkpi/common/include/linux/workqueue.h head/sys/compat/linuxkpi/common/src/linux_work.c Modified: head/sys/compat/linuxkpi/common/include/linux/sched.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/sched.h Mon Aug 6 09:22:07 2018 (r337375) +++ head/sys/compat/linuxkpi/common/include/linux/sched.h Mon Aug 6 10:48:20 2018 (r337376) @@ -60,6 +60,7 @@ #define TASK_COMM_LEN (MAXCOMLEN + 1) +struct work_struct; struct task_struct { struct thread *task_thread; struct mm_struct *mm; @@ -78,6 +79,7 @@ struct task_struct { TAILQ_ENTRY(task_struct) rcu_entry; int rcu_recurse; int bsd_interrupt_value; + struct work_struct *work; /* current work struct, if set */ }; #define current ({ \ Modified: head/sys/compat/linuxkpi/common/include/linux/workqueue.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/workqueue.h Mon Aug 6 09:22:07 2018 (r337375) +++ head/sys/compat/linuxkpi/common/include/linux/workqueue.h Mon Aug 6 10:48:20 2018 (r337376) @@ -209,6 +209,9 @@ do { \ #define destroy_workqueue(wq) \ linux_destroy_workqueue(wq) +#define current_work() \ + linux_current_work() + /* prototypes */ extern struct workqueue_struct *system_wq; @@ -232,5 +235,6 @@ extern bool linux_flush_work(struct work_struct *); extern bool linux_flush_delayed_work(struct delayed_work *); extern bool linux_work_pending(struct work_struct *); extern bool linux_work_busy(struct work_struct *); +extern struct work_struct *linux_current_work(void); #endif /* _LINUX_WORKQUEUE_H_ */ Modified: head/sys/compat/linuxkpi/common/src/linux_work.c ============================================================================== --- head/sys/compat/linuxkpi/common/src/linux_work.c Mon Aug 6 09:22:07 2018 (r337375) +++ head/sys/compat/linuxkpi/common/src/linux_work.c Mon Aug 6 10:48:20 2018 (r337376) @@ -220,8 +220,9 @@ linux_work_fn(void *context, int pending) struct work_struct *work; struct workqueue_struct *wq; struct work_exec exec; + struct task_struct *task; - linux_set_current(curthread); + task = current; /* setup local variables */ work = context; @@ -240,9 +241,15 @@ linux_work_fn(void *context, int pending) case WORK_ST_CANCEL: WQ_EXEC_UNLOCK(wq); + /* set current work structure */ + task->work = work; + /* call work function */ work->func(work); + /* set current work structure */ + task->work = NULL; + WQ_EXEC_LOCK(wq); /* check if unblocked */ if (exec.target != work) { @@ -577,6 +584,12 @@ linux_init_delayed_work(struct delayed_work *dwork, wo mtx_init(&dwork->timer.mtx, spin_lock_name("lkpi-dwork"), NULL, MTX_DEF | MTX_NOWITNESS); callout_init_mtx(&dwork->timer.callout, &dwork->timer.mtx, 0); +} + +struct work_struct * +linux_current_work(void) +{ + return (current->work); } static void
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201808061048.w76AmLoY093117>