Commit-ID: fa49e2eac9aa8259e1ea540d1bd301448d5b735d Gitweb: https://git.kernel.org/tip/fa49e2eac9aa8259e1ea540d1bd301448d5b735d Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Wed, 10 Apr 2019 12:28:09 +0200 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Sun, 14 Apr 2019 19:58:32 +0200
drm: Remove the ULONG_MAX stack trace hackery No architecture terminates the stack trace with ULONG_MAX anymore. Remove the cruft. Signed-off-by: Thomas Gleixner <t...@linutronix.de> Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org> Cc: Josh Poimboeuf <jpoim...@redhat.com> Cc: Andy Lutomirski <l...@kernel.org> Cc: Steven Rostedt <rost...@goodmis.org> Cc: Alexander Potapenko <gli...@google.com> Cc: intel-...@lists.freedesktop.org Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com> Cc: dri-de...@lists.freedesktop.org Cc: David Airlie <airl...@linux.ie> Cc: Jani Nikula <jani.nik...@linux.intel.com> Cc: Daniel Vetter <dan...@ffwll.ch> Cc: Rodrigo Vivi <rodrigo.v...@intel.com> Link: https://lkml.kernel.org/r/20190410103644.945059...@linutronix.de --- drivers/gpu/drm/drm_mm.c | 3 --- drivers/gpu/drm/i915/intel_runtime_pm.c | 4 ---- 2 files changed, 7 deletions(-) diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 2b4f373736c7..69552777e13a 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -113,9 +113,6 @@ static noinline void save_stack(struct drm_mm_node *node) }; save_stack_trace(&trace); - if (trace.nr_entries != 0 && - trace.entries[trace.nr_entries-1] == ULONG_MAX) - trace.nr_entries--; /* May be called under spinlock, so avoid sleeping */ node->stack = depot_save_stack(&trace, GFP_NOWAIT); diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index a017a4232c0f..1f8acbb332c9 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -67,10 +67,6 @@ static noinline depot_stack_handle_t __save_depot_stack(void) }; save_stack_trace(&trace); - if (trace.nr_entries && - trace.entries[trace.nr_entries - 1] == ULONG_MAX) - trace.nr_entries--; - return depot_save_stack(&trace, GFP_NOWAIT | __GFP_NOWARN); }
