linux-kernel - Re: [ANNOUNCE] 3.8.9-rt4

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Date:	Sat, 27 Apr 2013 23:44:54 +0200
From:	Carsten Emde <C.Emde@...dl.org>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:	linux-rt-users <linux-rt-users@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>, rostedt@...dmis.org
Subject: Re: [ANNOUNCE] 3.8.9-rt4

Hi Sebastian,

> I'm pleased to announce the 3.8.9-rt4 release. [..]
This patch is needed to prevent the compiler error
drivers/gpu/drm/i915/i915_gem_execbuffer.c:1072:27:
error: 'seqno' undeclared (first use in this function)

Signed-off-by: Carsten Emde <C.Emde@...dl.org>

Index: linux-3.8.4-rt2/drivers/gpu/drm/i915/i915_gem_execbuffer.c
===================================================================
--- linux-3.8.4-rt2.orig/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ linux-3.8.4-rt2/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -814,6 +814,7 @@ i915_gem_do_execbuffer(struct drm_device
  	struct intel_ring_buffer *ring;
  	u32 ctx_id = i915_execbuffer2_get_context_id(*args);
  	u32 exec_start, exec_len;
+	u32 seqno;
  	u32 mask;
  	u32 flags;
  	int ret, mode, i;
@@ -1068,7 +1069,8 @@ i915_gem_do_execbuffer(struct drm_device
  			goto err;
  	}

-	trace_i915_gem_ring_dispatch(ring, intel_ring_get_seqno(ring), flags);
+	seqno = intel_ring_get_seqno(ring);
+	trace_i915_gem_ring_dispatch(ring, seqno, flags);
  	i915_trace_irq_get(ring, seqno);

  	i915_gem_execbuffer_move_to_active(&objects, ring);

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