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event: Allow spdk_subsystem_fini_next to be called from any core

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Change-Id: Idc39c101c23cebe9538d59c0026d169c93c44e23
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/386715
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Ben Walker 2017-11-10 15:08:30 -07:00 committed by Daniel Verkamp
parent a1133a9b67
commit 6447eb670a
1 changed files with 23 additions and 16 deletions
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39
lib/event/subsystem.c
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@ -45,7 +45,7 @@ static TAILQ_HEAD(subsystem_depend, spdk_subsystem_depend) g_depends =
static struct spdk_subsystem *g_next_subsystem;
static struct spdk_event *g_app_start_event;
static struct spdk_event *g_app_stop_event;
static int g_fini_core;
static uint32_t g_fini_core;
void
spdk_add_subsystem(struct spdk_subsystem *subsystem)
@ -177,12 +177,10 @@ spdk_subsystem_init(struct spdk_event *app_start_event)
spdk_event_call(verify_event);
}
void
spdk_subsystem_fini_next(void)
static void
_spdk_subsystem_fini_next(void *arg1, void *arg2)
{
struct spdk_event *next_fini_event;
assert(g_app_stop_event->lcore == spdk_env_get_current_core());
assert(g_fini_core == spdk_env_get_current_core());
if (!g_next_subsystem) {
g_next_subsystem = TAILQ_LAST(&g_subsystems, spdk_subsystem_list);
@ -190,25 +188,34 @@ spdk_subsystem_fini_next(void)
g_next_subsystem = TAILQ_PREV(g_next_subsystem, spdk_subsystem_list, tailq);
}
if (!g_next_subsystem) {
spdk_event_call(g_app_stop_event);
return;
while (g_next_subsystem) {
if (g_next_subsystem->fini) {
g_next_subsystem->fini(NULL, NULL);
return;
}
g_next_subsystem = TAILQ_PREV(g_next_subsystem, spdk_subsystem_list, tailq);
}
if (g_next_subsystem->fini) {
next_fini_event = spdk_event_allocate(g_fini_core, g_next_subsystem->fini, NULL,
NULL);
spdk_event_call(next_fini_event);
spdk_event_call(g_app_stop_event);
return;
}
void
spdk_subsystem_fini_next(void)
{
if (g_fini_core != spdk_env_get_current_core()) {
struct spdk_event *event;
event = spdk_event_allocate(g_fini_core, _spdk_subsystem_fini_next, NULL, NULL);
spdk_event_call(event);
} else {
spdk_subsystem_fini_next();
_spdk_subsystem_fini_next(NULL, NULL);
}
}
void
spdk_subsystem_fini(struct spdk_event *app_stop_event)
{
assert(g_next_subsystem == NULL);
g_app_stop_event = app_stop_event;
g_fini_core = spdk_env_get_current_core();