Module Name:    src
Committed By:   riastradh
Date:           Fri Dec 24 15:22:20 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/dist/drm/scheduler: sched_entity.c
        src/sys/external/bsd/drm2/linux: linux_ww_mutex.c

Log Message:
drm: Fix missing newline in DRM_WARN.


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 \
    src/sys/external/bsd/drm2/dist/drm/scheduler/sched_entity.c
cvs rdiff -u -r1.10 -r1.11 src/sys/external/bsd/drm2/linux/linux_ww_mutex.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/external/bsd/drm2/dist/drm/scheduler/sched_entity.c
diff -u src/sys/external/bsd/drm2/dist/drm/scheduler/sched_entity.c:1.4 src/sys/external/bsd/drm2/dist/drm/scheduler/sched_entity.c:1.5
--- src/sys/external/bsd/drm2/dist/drm/scheduler/sched_entity.c:1.4	Sun Dec 19 12:30:47 2021
+++ src/sys/external/bsd/drm2/dist/drm/scheduler/sched_entity.c	Fri Dec 24 15:22:20 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: sched_entity.c,v 1.4 2021/12/19 12:30:47 riastradh Exp $	*/
+/*	$NetBSD: sched_entity.c,v 1.5 2021/12/24 15:22:20 riastradh Exp $	*/
 
 /*
  * Copyright 2015 Advanced Micro Devices, Inc.
@@ -24,7 +24,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sched_entity.c,v 1.4 2021/12/19 12:30:47 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sched_entity.c,v 1.5 2021/12/24 15:22:20 riastradh Exp $");
 
 #include <linux/kthread.h>
 #include <linux/slab.h>
@@ -142,7 +142,7 @@ drm_sched_entity_get_free_sched(struct d
 		struct drm_gpu_scheduler *sched = entity->sched_list[i];
 
 		if (!entity->sched_list[i]->ready) {
-			DRM_WARN("sched%s is not ready, skipping", sched->name);
+			DRM_WARN("sched%s is not ready, skipping\n", sched->name);
 			continue;
 		}
 

Index: src/sys/external/bsd/drm2/linux/linux_ww_mutex.c
diff -u src/sys/external/bsd/drm2/linux/linux_ww_mutex.c:1.10 src/sys/external/bsd/drm2/linux/linux_ww_mutex.c:1.11
--- src/sys/external/bsd/drm2/linux/linux_ww_mutex.c:1.10	Sun Dec 19 12:36:24 2021
+++ src/sys/external/bsd/drm2/linux/linux_ww_mutex.c	Fri Dec 24 15:22:20 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_ww_mutex.c,v 1.10 2021/12/19 12:36:24 riastradh Exp $	*/
+/*	$NetBSD: linux_ww_mutex.c,v 1.11 2021/12/24 15:22:20 riastradh Exp $	*/
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_ww_mutex.c,v 1.10 2021/12/19 12:36:24 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_ww_mutex.c,v 1.11 2021/12/24 15:22:20 riastradh Exp $");
 
 #include <sys/types.h>
 #include <sys/atomic.h>
@@ -108,6 +108,21 @@ ww_acquire_done(struct ww_acquire_ctx *c
 	ctx->wwx_acquire_done = true;
 }
 
+static void
+ww_acquire_done_check(struct ww_mutex *mutex, struct ww_acquire_ctx *ctx)
+{
+
+	/*
+	 * If caller has invoked ww_acquire_done, we must already hold
+	 * this mutex.
+	 */
+	KASSERT(mutex_owned(&mutex->wwm_lock));
+	KASSERT((!ctx->wwx_acquire_done ||
+		(mutex->wwm_state == WW_CTX && mutex->wwm_u.ctx == ctx)),
+	    "ctx %p done acquiring locks, refusing to acquire %p",
+	    ctx, mutex);
+}
+
 void
 ww_acquire_fini(struct ww_acquire_ctx *ctx)
 {
@@ -552,8 +567,6 @@ ww_mutex_lock(struct ww_mutex *mutex, st
 
 	KASSERTMSG((ctx->wwx_owner == curlwp),
 	    "ctx %p owned by %p, not self (%p)", ctx, ctx->wwx_owner, curlwp);
-	KASSERTMSG(!ctx->wwx_acquire_done,
-	    "ctx %p done acquiring locks, can't acquire more", ctx);
 	KASSERTMSG((ctx->wwx_acquired != ~0U),
 	    "ctx %p finished, can't be used any more", ctx);
 	KASSERTMSG((ctx->wwx_class == mutex->wwm_class),
@@ -561,6 +574,7 @@ ww_mutex_lock(struct ww_mutex *mutex, st
 	    ctx, ctx->wwx_class, mutex, mutex->wwm_class);
 
 	mutex_enter(&mutex->wwm_lock);
+	ww_acquire_done_check(mutex, ctx);
 retry:	switch (mutex->wwm_state) {
 	case WW_UNLOCKED:
 		WW_WANTLOCK(mutex);
@@ -673,8 +687,6 @@ ww_mutex_lock_interruptible(struct ww_mu
 
 	KASSERTMSG((ctx->wwx_owner == curlwp),
 	    "ctx %p owned by %p, not self (%p)", ctx, ctx->wwx_owner, curlwp);
-	KASSERTMSG(!ctx->wwx_acquire_done,
-	    "ctx %p done acquiring locks, can't acquire more", ctx);
 	KASSERTMSG((ctx->wwx_acquired != ~0U),
 	    "ctx %p finished, can't be used any more", ctx);
 	KASSERTMSG((ctx->wwx_class == mutex->wwm_class),
@@ -682,6 +694,7 @@ ww_mutex_lock_interruptible(struct ww_mu
 	    ctx, ctx->wwx_class, mutex, mutex->wwm_class);
 
 	mutex_enter(&mutex->wwm_lock);
+	ww_acquire_done_check(mutex, ctx);
 retry:	switch (mutex->wwm_state) {
 	case WW_UNLOCKED:
 		WW_WANTLOCK(mutex);
@@ -795,8 +808,6 @@ ww_mutex_lock_slow(struct ww_mutex *mute
 
 	KASSERTMSG((ctx->wwx_owner == curlwp),
 	    "ctx %p owned by %p, not self (%p)", ctx, ctx->wwx_owner, curlwp);
-	KASSERTMSG(!ctx->wwx_acquire_done,
-	    "ctx %p done acquiring locks, can't acquire more", ctx);
 	KASSERTMSG((ctx->wwx_acquired != ~0U),
 	    "ctx %p finished, can't be used any more", ctx);
 	KASSERTMSG((ctx->wwx_acquired == 0),
@@ -807,6 +818,7 @@ ww_mutex_lock_slow(struct ww_mutex *mute
 	    ctx, ctx->wwx_class, mutex, mutex->wwm_class);
 
 	mutex_enter(&mutex->wwm_lock);
+	ww_acquire_done_check(mutex, ctx);
 retry:	switch (mutex->wwm_state) {
 	case WW_UNLOCKED:
 		mutex->wwm_state = WW_CTX;
@@ -874,8 +886,6 @@ ww_mutex_lock_slow_interruptible(struct 
 
 	KASSERTMSG((ctx->wwx_owner == curlwp),
 	    "ctx %p owned by %p, not self (%p)", ctx, ctx->wwx_owner, curlwp);
-	KASSERTMSG(!ctx->wwx_acquire_done,
-	    "ctx %p done acquiring locks, can't acquire more", ctx);
 	KASSERTMSG((ctx->wwx_acquired != ~0U),
 	    "ctx %p finished, can't be used any more", ctx);
 	KASSERTMSG((ctx->wwx_acquired == 0),
@@ -886,6 +896,7 @@ ww_mutex_lock_slow_interruptible(struct 
 	    ctx, ctx->wwx_class, mutex, mutex->wwm_class);
 
 	mutex_enter(&mutex->wwm_lock);
+	ww_acquire_done_check(mutex, ctx);
 retry:	switch (mutex->wwm_state) {
 	case WW_UNLOCKED:
 		mutex->wwm_state = WW_CTX;

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