Commit b763ebfe authored by Liu Xiaodong's avatar Liu Xiaodong Committed by Tomasz Zawadzki
Browse files

reactor: apply spdk_thread_set_interrupt_mode 



The interrupt mode of spdk_thread can be operated
by reactor based on reactor's interrupt mode when
the spdk_thread is scheduled or the reactor is set
into interrupt mode.

Change-Id: Ibeef7ffb759589a7b372bd78e59e3410be061383
Signed-off-by: default avatarLiu Xiaodong <xiaodong.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6709


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
parent 2d52c6a1

lib/event/reactor.c

+19 −1
Original line number Diff line number Diff line
@@ -375,20 +375,35 @@ _reactor_set_notify_cpuset_cpl(void *arg1, void *arg2) 
	}

}



static void

_reactor_set_thread_interrupt_mode(void *ctx)

{

	struct spdk_reactor *reactor = ctx;



	spdk_thread_set_interrupt_mode(reactor->in_interrupt);

}



static void

_reactor_set_interrupt_mode(void *arg1, void *arg2)

{

	struct spdk_reactor *target = arg1;

	struct spdk_thread *thread;

	struct spdk_lw_thread *lw_thread, *tmp;



	assert(target == spdk_reactor_get(spdk_env_get_current_core()));

	assert(target != NULL);

	assert(target->in_interrupt != target->new_in_interrupt);

	assert(TAILQ_EMPTY(&target->threads));

	SPDK_DEBUGLOG(reactor, "Do reactor set on core %u from %s to state %s\n",

		      target->lcore, !target->in_interrupt ? "intr" : "poll", target->new_in_interrupt ? "intr" : "poll");



	target->in_interrupt = target->new_in_interrupt;



	/* Align spdk_thread with reactor to interrupt mode or poll mode */

	TAILQ_FOREACH_SAFE(lw_thread, &target->threads, link, tmp) {

		thread = spdk_thread_get_from_ctx(lw_thread);

		spdk_thread_send_msg(thread, _reactor_set_thread_interrupt_mode, target);

	}



	if (target->new_in_interrupt == false) {

		spdk_for_each_reactor(_reactor_set_notify_cpuset, target, NULL, _reactor_set_notify_cpuset_cpl);

	} else {
@@ -1127,6 +1142,9 @@ _schedule_thread(void *arg1, void *arg2) 
		if (rc < 0) {

			SPDK_ERRLOG("Failed to schedule spdk_thread: %s.\n", spdk_strerror(-rc));

		}



		/* Align spdk_thread with reactor to interrupt mode or poll mode */

		spdk_thread_send_msg(thread, _reactor_set_thread_interrupt_mode, reactor);

	}

}