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epoch(9): assert that epoch is allocated post-configure

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This commit is contained in:
Matt Macy 2018-05-18 18:27:17 +00:00
parent d71e30de40
commit 20ba6811e6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=333808
1 changed files with 7 additions and 1 deletions
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8
sys/kern/subr_epoch.c
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@ -267,8 +267,9 @@ epoch_enter_preempt_internal(epoch_t epoch, struct thread *td)
{
struct epoch_pcpu_state *eps;
MPASS(epoch->e_flags & EPOCH_PREEMPT);
MPASS(cold || epoch != NULL);
INIT_CHECK(epoch);
MPASS(epoch->e_flags & EPOCH_PREEMPT);
critical_enter();
td->td_pre_epoch_prio = td->td_priority;
eps = epoch->e_pcpu[curcpu];
@ -300,6 +301,7 @@ epoch_enter(epoch_t epoch)
ck_epoch_section_t *section;
struct thread *td;
MPASS(cold || epoch != NULL);
section = NULL;
td = curthread;
critical_enter();
@ -495,6 +497,8 @@ epoch_wait_preempt(epoch_t epoch)
locks = curthread->td_locks;
#endif
MPASS(cold || epoch != NULL);
INIT_CHECK(epoch);
MPASS(epoch->e_flags & EPOCH_PREEMPT);
@ -548,6 +552,8 @@ void
epoch_wait(epoch_t epoch)
{
MPASS(cold || epoch != NULL);
INIT_CHECK(epoch);
MPASS(epoch->e_flags == 0);
critical_enter();
ck_epoch_synchronize_wait(&epoch->e_epoch, epoch_block_handler, NULL);