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With epoch not inlined, there is no point in using _lite KPI. While here,

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remove some unnecessary casts.
This commit is contained in:
glebius 2018-11-13 23:45:38 +00:00
parent d57682a7ee
commit 64b7bc90bf
2 changed files with 13 additions and 14 deletions
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1
sys/kern/genoffset.c
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@ -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);

26
sys/kern/subr_epoch.c
View File

@ -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);