diff options
| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2021-10-18 11:51:13 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-11-09 13:08:13 +0200 |
| commit | bcae3af286f49bf4f6cda03f165fbe530f4a6bed (patch) | |
| tree | 01b061b18a863629f6d2a548ff04bf11d4b42d2e /drivers/gpu | |
| parent | d89c0c8322ecdc9a2ec84b959b6f766be082da76 (diff) | |
drm/locking: fix __stack_depot_* name conflict
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>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211018085113.27033-1-jani.nikula@intel.com
(cherry picked from commit c4f08d7246a520da5f2b1068f635da0678485e33)
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_modeset_lock.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c index 62f6fe482d25..83cf0bc64eb9 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; |