Merge tag 'v3.9-rc3' into drm-intel-next-queued

Backmerge so that I can merge Imre Deak's coalesced sg entries fixes,
which depend upon the new for_each_sg_page introduce in

commit a321e91b6d73ed011ffceed384c40d2785cf723b
Author: Imre Deak <imre.deak@intel.com>
Date:   Wed Feb 27 17:02:56 2013 -0800

    lib/scatterlist: add simple page iterator

The merge itself is just two trivial conflicts:

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 66 insertions, 0 deletions

diff --git a/arch/arm64/kernel/smp_spin_table.c b/arch/arm64/kernel/smp_spin_table.c
new file mode 100644
index 000000000000..7c35fa682f76
--- /dev/null
+++ b/arch/arm64/kernel/smp_spin_table.c
@@ -0,0 +1,66 @@
+/*
+ * Spin Table SMP initialisation
+ *
+ * Copyright (C) 2013 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/init.h>
+#include <linux/of.h>
+#include <linux/smp.h>
+
+#include <asm/cacheflush.h>
+
+static phys_addr_t cpu_release_addr[NR_CPUS];
+
+static int __init smp_spin_table_init_cpu(struct device_node *dn, int cpu)
+{
+	/*
+	 * Determine the address from which the CPU is polling.
+	 */
+	if (of_property_read_u64(dn, "cpu-release-addr",
+				 &cpu_release_addr[cpu])) {
+		pr_err("CPU %d: missing or invalid cpu-release-addr property\n",
+		       cpu);
+
+		return -1;
+	}
+
+	return 0;
+}
+
+static int __init smp_spin_table_prepare_cpu(int cpu)
+{
+	void **release_addr;
+
+	if (!cpu_release_addr[cpu])
+		return -ENODEV;
+
+	release_addr = __va(cpu_release_addr[cpu]);
+	release_addr[0] = (void *)__pa(secondary_holding_pen);
+	__flush_dcache_area(release_addr, sizeof(release_addr[0]));
+
+	/*
+	 * Send an event to wake up the secondary CPU.
+	 */
+	sev();
+
+	return 0;
+}
+
+const struct smp_enable_ops smp_spin_table_ops __initconst = {
+	.name		= "spin-table",
+	.init_cpu 	= smp_spin_table_init_cpu,
+	.prepare_cpu	= smp_spin_table_prepare_cpu,
+};