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* [Intel-gfx] [PATCH] drm/locking: fix __stack_depot_* name conflict
@ 2021-10-18  8:51 Jani Nikula
  2021-10-18 11:22 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Jani Nikula @ 2021-10-18  8:51 UTC (permalink / raw)
  To: dri-devel; +Cc: intel-gfx, jani.nikula, Stephen Rothwell, Daniel Vetter

From: Stephen Rothwell <sfr@canb.auug.org.au>

Commit cd06ab2fd48f ("drm/locking: add backtrace for locking contended
locks without backoff") added functions named __stack_depot_* in drm
which conflict with stack depot. Rename to __drm_stack_depot_*.

v2 by Jani:
- Also rename __stack_depot_print

References: https://lore.kernel.org/r/20211015202648.258445ef@canb.auug.org.au
Fixes: cd06ab2fd48f ("drm/locking: add backtrace for locking contended locks without backoff")
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/drm_modeset_lock.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c
index 4d32b61fa1fd..c97323365675 100644
--- a/drivers/gpu/drm/drm_modeset_lock.c
+++ b/drivers/gpu/drm/drm_modeset_lock.c
@@ -79,7 +79,7 @@
 static DEFINE_WW_CLASS(crtc_ww_class);
 
 #if IS_ENABLED(CONFIG_DRM_DEBUG_MODESET_LOCK)
-static noinline depot_stack_handle_t __stack_depot_save(void)
+static noinline depot_stack_handle_t __drm_stack_depot_save(void)
 {
 	unsigned long entries[8];
 	unsigned int n;
@@ -89,7 +89,7 @@ static noinline depot_stack_handle_t __stack_depot_save(void)
 	return stack_depot_save(entries, n, GFP_NOWAIT | __GFP_NOWARN);
 }
 
-static void __stack_depot_print(depot_stack_handle_t stack_depot)
+static void __drm_stack_depot_print(depot_stack_handle_t stack_depot)
 {
 	struct drm_printer p = drm_debug_printer("drm_modeset_lock");
 	unsigned long *entries;
@@ -108,11 +108,11 @@ static void __stack_depot_print(depot_stack_handle_t stack_depot)
 	kfree(buf);
 }
 #else /* CONFIG_DRM_DEBUG_MODESET_LOCK */
-static depot_stack_handle_t __stack_depot_save(void)
+static depot_stack_handle_t __drm_stack_depot_save(void)
 {
 	return 0;
 }
-static void __stack_depot_print(depot_stack_handle_t stack_depot)
+static void __drm_stack_depot_print(depot_stack_handle_t stack_depot)
 {
 }
 #endif /* CONFIG_DRM_DEBUG_MODESET_LOCK */
@@ -266,7 +266,7 @@ EXPORT_SYMBOL(drm_modeset_acquire_fini);
 void drm_modeset_drop_locks(struct drm_modeset_acquire_ctx *ctx)
 {
 	if (WARN_ON(ctx->contended))
-		__stack_depot_print(ctx->stack_depot);
+		__drm_stack_depot_print(ctx->stack_depot);
 
 	while (!list_empty(&ctx->locked)) {
 		struct drm_modeset_lock *lock;
@@ -286,7 +286,7 @@ static inline int modeset_lock(struct drm_modeset_lock *lock,
 	int ret;
 
 	if (WARN_ON(ctx->contended))
-		__stack_depot_print(ctx->stack_depot);
+		__drm_stack_depot_print(ctx->stack_depot);
 
 	if (ctx->trylock_only) {
 		lockdep_assert_held(&ctx->ww_ctx);
@@ -317,7 +317,7 @@ static inline int modeset_lock(struct drm_modeset_lock *lock,
 		ret = 0;
 	} else if (ret == -EDEADLK) {
 		ctx->contended = lock;
-		ctx->stack_depot = __stack_depot_save();
+		ctx->stack_depot = __drm_stack_depot_save();
 	}
 
 	return ret;
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-10-19 12:11 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-10-18  8:51 [Intel-gfx] [PATCH] drm/locking: fix __stack_depot_* name conflict Jani Nikula
2021-10-18 11:22 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2021-10-18 11:54 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-10-18 14:54 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2021-10-19 12:10 ` [Intel-gfx] [PATCH] " Jani Nikula

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