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authorThomas Gleixner <tglx@linutronix.de>2019-04-10 12:28:09 +0200
committerThomas Gleixner <tglx@linutronix.de>2019-04-14 19:58:32 +0200
commitfa49e2eac9aa8259e1ea540d1bd301448d5b735d (patch)
tree2b9c3bf95228458df37530a3b1b9e1cbc323c3eb /drivers/gpu/drm/drm_mm.c
parentlatency_top: Remove the ULONG_MAX stack trace hackery (diff)
downloadlinux-fa49e2eac9aa8259e1ea540d1bd301448d5b735d.tar.xz
linux-fa49e2eac9aa8259e1ea540d1bd301448d5b735d.zip
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 <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Alexander Potapenko <glider@google.com> Cc: intel-gfx@lists.freedesktop.org Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: dri-devel@lists.freedesktop.org Cc: David Airlie <airlied@linux.ie> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://lkml.kernel.org/r/20190410103644.945059666@linutronix.de
Diffstat (limited to 'drivers/gpu/drm/drm_mm.c')
-rw-r--r--drivers/gpu/drm/drm_mm.c3
1 files changed, 0 insertions, 3 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);