svn commit: r340417 - head/sys/kern

[Gleb Smirnoff]

Author: glebius
Date: Tue Nov 13 23:45:38 2018
New Revision: 340417
URL: https://svnweb.freebsd.org/changeset/base/340417

Log:
  With epoch not inlined, there is no point in using _lite KPI. While here,
  remove some unnecessary casts.

Modified:
  head/sys/kern/genoffset.c
  head/sys/kern/subr_epoch.c

Modified: head/sys/kern/genoffset.c
==============================================================================
--- head/sys/kern/genoffset.c   Tue Nov 13 23:44:27 2018        (r340416)
+++ head/sys/kern/genoffset.c   Tue Nov 13 23:45:38 2018        (r340417)
@@ -36,7 +36,6 @@ __FBSDID("$FreeBSD$");
 #include <sys/assym.h>
 #include <sys/proc.h>
 
-OFFSYM(td_pre_epoch_prio, thread, u_char);
 OFFSYM(td_priority, thread, u_char);
 OFFSYM(td_epochnest, thread, u_char);
 OFFSYM(td_critnest, thread, u_int);

Modified: head/sys/kern/subr_epoch.c
==============================================================================
--- head/sys/kern/subr_epoch.c  Tue Nov 13 23:44:27 2018        (r340416)
+++ head/sys/kern/subr_epoch.c  Tue Nov 13 23:45:38 2018        (r340417)
@@ -240,7 +240,7 @@ void
 epoch_enter_preempt(epoch_t epoch, epoch_tracker_t et)
 {
        struct epoch_record *er;
-       struct thread_lite *td;
+       struct thread *td;
 
        MPASS(cold || epoch != NULL);
        INIT_CHECK(epoch);
@@ -249,11 +249,11 @@ epoch_enter_preempt(epoch_t epoch, epoch_tracker_t et)
        et->et_magic_pre = EPOCH_MAGIC0;
        et->et_magic_post = EPOCH_MAGIC1;
 #endif
-       td = (struct thread_lite *)curthread;
-       et->et_td = (void*)td;
+       td = curthread;
+       et->et_td = td;
        td->td_epochnest++;
        critical_enter();
-       sched_pin_lite(td);
+       sched_pin();
 
        td->td_pre_epoch_prio = td->td_priority;
        er = epoch_currecord(epoch);
@@ -265,12 +265,12 @@ epoch_enter_preempt(epoch_t epoch, epoch_tracker_t et)
 void
 epoch_enter(epoch_t epoch)
 {
-       struct thread_lite *td;
+       struct thread *td;
        epoch_record_t er;
 
        MPASS(cold || epoch != NULL);
        INIT_CHECK(epoch);
-       td = (struct thread_lite *)curthread;
+       td = curthread;
 
        td->td_epochnest++;
        critical_enter();
@@ -282,18 +282,18 @@ void
 epoch_exit_preempt(epoch_t epoch, epoch_tracker_t et)
 {
        struct epoch_record *er;
-       struct thread_lite *td;
+       struct thread *td;
 
        INIT_CHECK(epoch);
-       td = (struct thread_lite *)curthread;
+       td = curthread;
        critical_enter();
-       sched_unpin_lite(td);
+       sched_unpin();
        MPASS(td->td_epochnest);
        td->td_epochnest--;
        er = epoch_currecord(epoch);
        MPASS(epoch->e_flags & EPOCH_PREEMPT);
        MPASS(et != NULL);
-       MPASS(et->et_td == (struct thread *)td);
+       MPASS(et->et_td == td);
 #ifdef EPOCH_TRACKER_DEBUG
        MPASS(et->et_magic_pre == EPOCH_MAGIC0);
        MPASS(et->et_magic_post == EPOCH_MAGIC1);
@@ -307,18 +307,18 @@ epoch_exit_preempt(epoch_t epoch, epoch_tracker_t et)
        TAILQ_REMOVE(&er->er_tdlist, et, et_link);
        er->er_gen++;
        if (__predict_false(td->td_pre_epoch_prio != td->td_priority))
-               epoch_adjust_prio((struct thread *)td, td->td_pre_epoch_prio);
+               epoch_adjust_prio(td, td->td_pre_epoch_prio);
        critical_exit();
 }
 
 void
 epoch_exit(epoch_t epoch)
 {
-       struct thread_lite *td;
+       struct thread *td;
        epoch_record_t er;
 
        INIT_CHECK(epoch);
-       td = (struct thread_lite *)curthread;
+       td = curthread;
        MPASS(td->td_epochnest);
        td->td_epochnest--;
        er = epoch_currecord(epoch);
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