From: Moses Reuben <moses.reuben@amd.com>
Date: Thu, 12 Jul 2018 02:32:48 +0000 (-0400)
Subject: drm/amdkfd: send SIGSEGV to process upon KFD_EVENT_TYPE_MEMORY
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=101fee63cbb0a3df9e54aaafbfad0ab5821a34e6;p=openwrt%2Fstaging%2Fblogic.git

drm/amdkfd: send SIGSEGV to process upon KFD_EVENT_TYPE_MEMORY

Signed-off-by: Moses Reuben <moses.reuben@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
index 5562e94e786a..3d5a8332e8c0 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
@@ -850,6 +850,13 @@ static void lookup_events_by_type_and_signal(struct kfd_process *p,
 				ev->memory_exception_data = *ev_data;
 		}
 
+	if (type == KFD_EVENT_TYPE_MEMORY) {
+		dev_warn(kfd_device,
+			"Sending SIGSEGV to HSA Process with PID %d ",
+				p->lead_thread->pid);
+		send_sig(SIGSEGV, p->lead_thread, 0);
+	}
+
 	/* Send SIGTERM no event of type "type" has been found*/
 	if (send_signal) {
 		if (send_sigterm) {