diff --git a/[refs] b/[refs]
index 745f80fd50f9..dce60f5c51e2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 80214df8db6d0ba8172f70122705ef29077fd918
+refs/heads/master: 5facb097137e7509a1b73448fe20226a4fbfe8cb
diff --git a/trunk/arch/arm/kernel/entry-common.S b/trunk/arch/arm/kernel/entry-common.S
index 1b560825e1cf..f05a35a59694 100644
--- a/trunk/arch/arm/kernel/entry-common.S
+++ b/trunk/arch/arm/kernel/entry-common.S
@@ -418,13 +418,11 @@ ENDPROC(sys_clone_wrapper)
 
 sys_sigreturn_wrapper:
 		add	r0, sp, #S_OFF
-		mov	why, #0		@ prevent syscall restart handling
 		b	sys_sigreturn
 ENDPROC(sys_sigreturn_wrapper)
 
 sys_rt_sigreturn_wrapper:
 		add	r0, sp, #S_OFF
-		mov	why, #0		@ prevent syscall restart handling
 		b	sys_rt_sigreturn
 ENDPROC(sys_rt_sigreturn_wrapper)
 
diff --git a/trunk/arch/x86/Makefile b/trunk/arch/x86/Makefile
index e8c8881351b3..8aa1b59b9074 100644
--- a/trunk/arch/x86/Makefile
+++ b/trunk/arch/x86/Makefile
@@ -74,7 +74,7 @@ endif
 
 ifdef CONFIG_CC_STACKPROTECTOR
 	cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
-        ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
+        ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y)
                 stackp-y := -fstack-protector
                 KBUILD_CFLAGS += $(stackp-y)
         else
diff --git a/trunk/arch/x86/include/asm/cpufeature.h b/trunk/arch/x86/include/asm/cpufeature.h
index c6fbb7b430d1..781a50b29a49 100644
--- a/trunk/arch/x86/include/asm/cpufeature.h
+++ b/trunk/arch/x86/include/asm/cpufeature.h
@@ -296,7 +296,6 @@ extern const char * const x86_power_flags[32];
 
 #endif /* CONFIG_X86_64 */
 
-#if __GNUC__ >= 4
 /*
  * Static testing of CPU features.  Used the same as boot_cpu_has().
  * These are only valid after alternatives have run, but will statically
@@ -305,7 +304,7 @@ extern const char * const x86_power_flags[32];
  */
 static __always_inline __pure bool __static_cpu_has(u16 bit)
 {
-#if __GNUC__ > 4 || __GNUC_MINOR__ >= 5
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
 		asm goto("1: jmp %l[t_no]\n"
 			 "2:\n"
 			 ".section .altinstructions,\"a\"\n"
@@ -346,6 +345,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
 #endif
 }
 
+#if __GNUC__ >= 4
 #define static_cpu_has(bit)					\
 (								\
 	__builtin_constant_p(boot_cpu_has(bit)) ?		\
diff --git a/trunk/arch/x86/include/asm/hpet.h b/trunk/arch/x86/include/asm/hpet.h
index 1d5c08a1bdfd..004e6e25e913 100644
--- a/trunk/arch/x86/include/asm/hpet.h
+++ b/trunk/arch/x86/include/asm/hpet.h
@@ -68,6 +68,7 @@ extern unsigned long force_hpet_address;
 extern u8 hpet_blockid;
 extern int hpet_force_user;
 extern u8 hpet_msi_disable;
+extern u8 hpet_readback_cmp;
 extern int is_hpet_enabled(void);
 extern int hpet_enable(void);
 extern void hpet_disable(void);
diff --git a/trunk/arch/x86/kernel/apic/x2apic_uv_x.c b/trunk/arch/x86/kernel/apic/x2apic_uv_x.c
index f744f54cb248..7b598b84c902 100644
--- a/trunk/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/trunk/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -698,11 +698,9 @@ void __init uv_system_init(void)
 		for (j = 0; j < 64; j++) {
 			if (!test_bit(j, &present))
 				continue;
-			pnode = (i * 64 + j);
-			uv_blade_info[blade].pnode = pnode;
+			uv_blade_info[blade].pnode = (i * 64 + j);
 			uv_blade_info[blade].nr_possible_cpus = 0;
 			uv_blade_info[blade].nr_online_cpus = 0;
-			max_pnode = max(pnode, max_pnode);
 			blade++;
 		}
 	}
@@ -740,6 +738,7 @@ void __init uv_system_init(void)
 		uv_cpu_hub_info(cpu)->scir.offset = uv_scir_offset(apicid);
 		uv_node_to_blade[nid] = blade;
 		uv_cpu_to_blade[cpu] = blade;
+		max_pnode = max(pnode, max_pnode);
 	}
 
 	/* Add blade/pnode info for nodes without cpus */
@@ -751,6 +750,7 @@ void __init uv_system_init(void)
 		pnode = (paddr >> m_val) & pnode_mask;
 		blade = boot_pnode_to_blade(pnode);
 		uv_node_to_blade[nid] = blade;
+		max_pnode = max(pnode, max_pnode);
 	}
 
 	map_gru_high(max_pnode);
diff --git a/trunk/arch/x86/kernel/early-quirks.c b/trunk/arch/x86/kernel/early-quirks.c
index ebdb85cf2686..e5cc7e82e60d 100644
--- a/trunk/arch/x86/kernel/early-quirks.c
+++ b/trunk/arch/x86/kernel/early-quirks.c
@@ -18,6 +18,7 @@
 #include <asm/apic.h>
 #include <asm/iommu.h>
 #include <asm/gart.h>
+#include <asm/hpet.h>
 
 static void __init fix_hypertransport_config(int num, int slot, int func)
 {
@@ -191,6 +192,21 @@ static void __init ati_bugs_contd(int num, int slot, int func)
 }
 #endif
 
+/*
+ * Force the read back of the CMP register in hpet_next_event()
+ * to work around the problem that the CMP register write seems to be
+ * delayed. See hpet_next_event() for details.
+ *
+ * We do this on all SMBUS incarnations for now until we have more
+ * information about the affected chipsets.
+ */
+static void __init ati_hpet_bugs(int num, int slot, int func)
+{
+#ifdef CONFIG_HPET_TIMER
+	hpet_readback_cmp = 1;
+#endif
+}
+
 #define QFLAG_APPLY_ONCE 	0x1
 #define QFLAG_APPLIED		0x2
 #define QFLAG_DONE		(QFLAG_APPLY_ONCE|QFLAG_APPLIED)
@@ -220,6 +236,8 @@ static struct chipset early_qrk[] __initdata = {
 	  PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs },
 	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,
 	  PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd },
+	{ PCI_VENDOR_ID_ATI, PCI_ANY_ID,
+	  PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_hpet_bugs },
 	{}
 };
 
diff --git a/trunk/arch/x86/kernel/hpet.c b/trunk/arch/x86/kernel/hpet.c
index 410fdb3f1939..351f9c0fea1f 100644
--- a/trunk/arch/x86/kernel/hpet.c
+++ b/trunk/arch/x86/kernel/hpet.c
@@ -35,6 +35,7 @@
 unsigned long				hpet_address;
 u8					hpet_blockid; /* OS timer block num */
 u8					hpet_msi_disable;
+u8					hpet_readback_cmp;
 
 #ifdef CONFIG_PCI_MSI
 static unsigned long			hpet_num_timers;
@@ -394,27 +395,23 @@ static int hpet_next_event(unsigned long delta,
 	 * at that point and we would wait for the next hpet interrupt
 	 * forever. We found out that reading the CMP register back
 	 * forces the transfer so we can rely on the comparison with
-	 * the counter register below. If the read back from the
-	 * compare register does not match the value we programmed
-	 * then we might have a real hardware problem. We can not do
-	 * much about it here, but at least alert the user/admin with
-	 * a prominent warning.
+	 * the counter register below.
 	 *
-	 * An erratum on some chipsets (ICH9,..), results in
-	 * comparator read immediately following a write returning old
-	 * value. Workaround for this is to read this value second
-	 * time, when first read returns old value.
+	 * That works fine on those ATI chipsets, but on newer Intel
+	 * chipsets (ICH9...) this triggers due to an erratum: Reading
+	 * the comparator immediately following a write is returning
+	 * the old value.
 	 *
-	 * In fact the write to the comparator register is delayed up
-	 * to two HPET cycles so the workaround we tried to restrict
-	 * the readback to those known to be borked ATI chipsets
-	 * failed miserably. So we give up on optimizations forever
-	 * and penalize all HPET incarnations unconditionally.
+	 * We restrict the read back to the affected ATI chipsets (set
+	 * by quirks) and also run it with hpet=verbose for debugging
+	 * purposes.
 	 */
-	if (unlikely((u32)hpet_readl(HPET_Tn_CMP(timer)) != cnt)) {
-		if (hpet_readl(HPET_Tn_CMP(timer)) != cnt)
+	if (hpet_readback_cmp || hpet_verbose) {
+		u32 cmp = hpet_readl(HPET_Tn_CMP(timer));
+
+		if (cmp != cnt)
 			printk_once(KERN_WARNING
-				"hpet: compare register read back failed.\n");
+			    "hpet: compare register read back failed.\n");
 	}
 
 	return (s32)(hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0;
diff --git a/trunk/drivers/Makefile b/trunk/drivers/Makefile
index a2aea53a75ed..ae473445ad6d 100644
--- a/trunk/drivers/Makefile
+++ b/trunk/drivers/Makefile
@@ -50,7 +50,7 @@ obj-$(CONFIG_SPI)		+= spi/
 obj-y				+= net/
 obj-$(CONFIG_ATM)		+= atm/
 obj-$(CONFIG_FUSION)		+= message/
-obj-y				+= firewire/
+obj-$(CONFIG_FIREWIRE)		+= firewire/
 obj-y				+= ieee1394/
 obj-$(CONFIG_UIO)		+= uio/
 obj-y				+= cdrom/
diff --git a/trunk/drivers/firewire/ohci.c b/trunk/drivers/firewire/ohci.c
index 1b05896648bc..be29b0bb2471 100644
--- a/trunk/drivers/firewire/ohci.c
+++ b/trunk/drivers/firewire/ohci.c
@@ -263,7 +263,6 @@ static const struct {
 	{PCI_VENDOR_ID_JMICRON,	PCI_DEVICE_ID_JMICRON_JMB38X_FW, QUIRK_NO_MSI},
 	{PCI_VENDOR_ID_NEC,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
 	{PCI_VENDOR_ID_VIA,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
-	{PCI_VENDOR_ID_RICOH,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
 	{PCI_VENDOR_ID_APPLE,	PCI_DEVICE_ID_APPLE_UNI_N_FW, QUIRK_BE_HEADERS},
 };
 
diff --git a/trunk/drivers/hwmon/lis3lv02d_i2c.c b/trunk/drivers/hwmon/lis3lv02d_i2c.c
index dc1f5402c1d7..8e5933b72d19 100644
--- a/trunk/drivers/hwmon/lis3lv02d_i2c.c
+++ b/trunk/drivers/hwmon/lis3lv02d_i2c.c
@@ -121,7 +121,7 @@ static int lis3lv02d_i2c_suspend(struct i2c_client *client, pm_message_t mesg)
 {
 	struct lis3lv02d *lis3 = i2c_get_clientdata(client);
 
-	if (!lis3->pdata->wakeup_flags)
+	if (!lis3->pdata || !lis3->pdata->wakeup_flags)
 		lis3lv02d_poweroff(lis3);
 	return 0;
 }
@@ -130,7 +130,7 @@ static int lis3lv02d_i2c_resume(struct i2c_client *client)
 {
 	struct lis3lv02d *lis3 = i2c_get_clientdata(client);
 
-	if (!lis3->pdata->wakeup_flags)
+	if (!lis3->pdata || !lis3->pdata->wakeup_flags)
 		lis3lv02d_poweron(lis3);
 	return 0;
 }
diff --git a/trunk/drivers/hwmon/lis3lv02d_spi.c b/trunk/drivers/hwmon/lis3lv02d_spi.c
index 82b16808a274..b9be5e3a22b3 100644
--- a/trunk/drivers/hwmon/lis3lv02d_spi.c
+++ b/trunk/drivers/hwmon/lis3lv02d_spi.c
@@ -92,7 +92,7 @@ static int lis3lv02d_spi_suspend(struct spi_device *spi, pm_message_t mesg)
 {
 	struct lis3lv02d *lis3 = spi_get_drvdata(spi);
 
-	if (!lis3->pdata->wakeup_flags)
+	if (!lis3->pdata || !lis3->pdata->wakeup_flags)
 		lis3lv02d_poweroff(&lis3_dev);
 
 	return 0;
@@ -102,7 +102,7 @@ static int lis3lv02d_spi_resume(struct spi_device *spi)
 {
 	struct lis3lv02d *lis3 = spi_get_drvdata(spi);
 
-	if (!lis3->pdata->wakeup_flags)
+	if (!lis3->pdata || !lis3->pdata->wakeup_flags)
 		lis3lv02d_poweron(lis3);
 
 	return 0;
diff --git a/trunk/drivers/md/md.c b/trunk/drivers/md/md.c
index f20d13e717d5..43cf9cc9c1df 100644
--- a/trunk/drivers/md/md.c
+++ b/trunk/drivers/md/md.c
@@ -1643,9 +1643,7 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
 		bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1;
 		if (rdev->sb_size & bmask)
 			rdev->sb_size = (rdev->sb_size | bmask) + 1;
-	} else
-		max_dev = le32_to_cpu(sb->max_dev);
-
+	}
 	for (i=0; i<max_dev;i++)
 		sb->dev_roles[i] = cpu_to_le16(0xfffe);
 	
@@ -7071,7 +7069,7 @@ void md_check_recovery(mddev_t *mddev)
 	if (mddev->ro && !test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
 		return;
 	if ( ! (
-		(mddev->flags & ~ (1<<MD_CHANGE_PENDING)) ||
+		(mddev->flags && !mddev->external) ||
 		test_bit(MD_RECOVERY_NEEDED, &mddev->recovery) ||
 		test_bit(MD_RECOVERY_DONE, &mddev->recovery) ||
 		(mddev->external == 0 && mddev->safemode == 1) ||
diff --git a/trunk/fs/gfs2/log.c b/trunk/fs/gfs2/log.c
index ac750bd31a6f..cde1248a6225 100644
--- a/trunk/fs/gfs2/log.c
+++ b/trunk/fs/gfs2/log.c
@@ -932,7 +932,7 @@ int gfs2_logd(void *data)
 
 		do {
 			prepare_to_wait(&sdp->sd_logd_waitq, &wait,
-					TASK_INTERRUPTIBLE);
+					TASK_UNINTERRUPTIBLE);
 			if (!gfs2_ail_flush_reqd(sdp) &&
 			    !gfs2_jrnl_flush_reqd(sdp) &&
 			    !kthread_should_stop())