Merge remote branch 'intel/drm-intel-next' of ../drm-next into drm-core-next

* 'intel/drm-intel-next' of ../drm-next: (755 commits)
  drm/i915: Only wait on a pending flip if we intend to write to the buffer
  drm/i915/dp: Sanity check eDP existence
  drm/i915: Rebind the buffer if its alignment constraints changes with tiling
  drm/i915: Disable GPU semaphores by default
  drm/i915: Do not overflow the MMADDR write FIFO
  Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing"
  drm/i915: Don't save/restore hardware status page address register
  drm/i915: don't store the reg value for HWS_PGA
  drm/i915: fix memory corruption with GM965 and >4GB RAM
  Linux 2.6.38-rc7
  Revert "TPM: Long default timeout fix"
  drm/i915: Re-enable GPU semaphores for SandyBridge mobile
  drm/i915: Replace vblank PM QoS with "Interrupt-Based AGPBUSY#"
  Revert "drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU"
  drm/i915: Allow relocation deltas outside of target bo
  drm/i915: Silence an innocuous compiler warning for an unused variable
  fs/block_dev.c: fix new kernel-doc warning
  ACPI: Fix build for CONFIG_NET unset
  mm: <asm-generic/pgtable.h> must include <linux/mm_types.h>
  x86: Use u32 instead of long to set reset vector back to 0
  ...

Conflicts:
	drivers/gpu/drm/i915/i915_gem.c

12 files changed, 76 insertions, 33 deletions

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index b3a71137983a..3e6e2d68f761 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -72,6 +72,7 @@ u8 acpi_sci_flags __initdata;
 int acpi_sci_override_gsi __initdata;
 int acpi_skip_timer_override __initdata;
 int acpi_use_timer_override __initdata;
+int acpi_fix_pin2_polarity __initdata;
 
 #ifdef CONFIG_X86_LOCAL_APIC
 static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
@@ -415,10 +416,15 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
 		return 0;
 	}
 
-	if (acpi_skip_timer_override &&
-	    intsrc->source_irq == 0 && intsrc->global_irq == 2) {
-		printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
-		return 0;
+	if (intsrc->source_irq == 0 && intsrc->global_irq == 2) {
+		if (acpi_skip_timer_override) {
+			printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
+			return 0;
+		}
+		if (acpi_fix_pin2_polarity && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
+			intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK;
+			printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n");
+		}
 	}
 
 	mp_override_legacy_irq(intsrc->source_irq,
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 4d9ebbab2230..68d1537b8c81 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -12,10 +12,8 @@
 #include <linux/cpumask.h>
 #include <asm/segment.h>
 #include <asm/desc.h>
-
-#ifdef CONFIG_X86_32
 #include <asm/pgtable.h>
-#endif
+#include <asm/cacheflush.h>
 
 #include "realmode/wakeup.h"
 #include "sleep.h"
@@ -149,6 +147,15 @@ void __init acpi_reserve_wakeup_memory(void)
 	memblock_x86_reserve_range(mem, mem + WAKEUP_SIZE, "ACPI WAKEUP");
 }
 
+int __init acpi_configure_wakeup_memory(void)
+{
+	if (acpi_realmode)
+		set_memory_x(acpi_realmode, WAKEUP_SIZE >> PAGE_SHIFT);
+
+	return 0;
+}
+arch_initcall(acpi_configure_wakeup_memory);
+
 
 static int __init acpi_sleep_setup(char *str)
 {
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 123608531c8f..7038b95d363f 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -671,7 +671,7 @@ void __kprobes text_poke_smp_batch(struct text_poke_param *params, int n)
 
 	atomic_set(&stop_machine_first, 1);
 	wrote_text = 0;
-	stop_machine(stop_machine_text_poke, (void *)&tpp, NULL);
+	__stop_machine(stop_machine_text_poke, (void *)&tpp, NULL);
 }
 
 #if defined(CONFIG_DYNAMIC_FTRACE) || defined(HAVE_JUMP_LABEL)
diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
index 51ef31a89be9..51d4e1663066 100644
--- a/arch/x86/kernel/apb_timer.c
+++ b/arch/x86/kernel/apb_timer.c
@@ -284,7 +284,7 @@ static int __init apbt_clockevent_register(void)
 	memcpy(&adev->evt, &apbt_clockevent, sizeof(struct clock_event_device));
 
 	if (mrst_timer_options == MRST_TIMER_LAPIC_APBT) {
-		apbt_clockevent.rating = APBT_CLOCKEVENT_RATING - 100;
+		adev->evt.rating = APBT_CLOCKEVENT_RATING - 100;
 		global_clock_event = &adev->evt;
 		printk(KERN_DEBUG "%s clockevent registered as global\n",
 		       global_clock_event->name);
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 06c196d7e59c..76b96d74978a 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1381,12 +1381,17 @@ void __cpuinit end_local_APIC_setup(void)
 #endif
 
 	apic_pm_activate();
+}
+
+void __init bsp_end_local_APIC_setup(void)
+{
+	end_local_APIC_setup();
 
 	/*
 	 * Now that local APIC setup is completed for BP, configure the fault
 	 * handling for interrupt remapping.
 	 */
-	if (!smp_processor_id() && intr_remapping_enabled)
+	if (intr_remapping_enabled)
 		enable_drhd_fault_handling();
 
 }
@@ -1756,7 +1761,7 @@ int __init APIC_init_uniprocessor(void)
 		enable_IO_APIC();
 #endif
 
-	end_local_APIC_setup();
+	bsp_end_local_APIC_setup();
 
 #ifdef CONFIG_X86_IO_APIC
 	if (smp_found_config && !skip_ioapic_setup && nr_ioapics)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 697dc34b7b87..ca9e2a3545a9 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -4002,6 +4002,9 @@ int mp_find_ioapic(u32 gsi)
 {
 	int i = 0;
 
+	if (nr_ioapics == 0)
+		return -1;
+
 	/* Find the IOAPIC that manages this GSI. */
 	for (i = 0; i < nr_ioapics; i++) {
 		if ((gsi >= mp_gsi_routing[i].gsi_base)
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index f7a0993c1e7c..ff751a9f182b 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -770,9 +770,14 @@ static inline int p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc)
 		return 1;
 	}
 
-	/* it might be unflagged overflow */
-	rdmsrl(hwc->event_base + hwc->idx, v);
-	if (!(v & ARCH_P4_CNTRVAL_MASK))
+	/*
+	 * In some circumstances the overflow might issue an NMI but did
+	 * not set P4_CCCR_OVF bit. Because a counter holds a negative value
+	 * we simply check for high bit being set, if it's cleared it means
+	 * the counter has reached zero value and continued counting before
+	 * real NMI signal was received:
+	 */
+	if (!(v & ARCH_P4_UNFLAGGED_BIT))
 		return 1;
 
 	return 0;
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 76b8cd953dee..9efbdcc56425 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -143,15 +143,10 @@ static void __init ati_bugs(int num, int slot, int func)
 
 static u32 __init ati_sbx00_rev(int num, int slot, int func)
 {
-	u32 old, d;
+	u32 d;
 
-	d = read_pci_config(num, slot, func, 0x70);
-	old = d;
-	d &= ~(1<<8);
-	write_pci_config(num, slot, func, 0x70, d);
 	d = read_pci_config(num, slot, func, 0x8);
 	d &= 0xff;
-	write_pci_config(num, slot, func, 0x70, old);
 
 	return d;
 }
@@ -160,13 +155,16 @@ static void __init ati_bugs_contd(int num, int slot, int func)
 {
 	u32 d, rev;
 
-	if (acpi_use_timer_override)
-		return;
-
 	rev = ati_sbx00_rev(num, slot, func);
+	if (rev >= 0x40)
+		acpi_fix_pin2_polarity = 1;
+
 	if (rev > 0x13)
 		return;
 
+	if (acpi_use_timer_override)
+		return;
+
 	/* check for IRQ0 interrupt swap */
 	d = read_pci_config(num, slot, func, 0x64);
 	if (!(d & (1<<14)))
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 52945da52a94..387b6a0c9e81 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -367,7 +367,8 @@ void fixup_irqs(void)
 		if (irr  & (1 << (vector % 32))) {
 			irq = __this_cpu_read(vector_irq[vector]);
 
-			data = irq_get_irq_data(irq);
+			desc = irq_to_desc(irq);
+			data = &desc->irq_data;
 			raw_spin_lock(&desc->lock);
 			if (data->chip->irq_retrigger)
 				data->chip->irq_retrigger(data);
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index e764fc05d700..ff4554198981 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -92,21 +92,31 @@ void show_regs(struct pt_regs *regs)
 
 void show_regs_common(void)
 {
-	const char *board, *product;
+	const char *vendor, *product, *board;
 
-	board = dmi_get_system_info(DMI_BOARD_NAME);
-	if (!board)
-		board = "";
+	vendor = dmi_get_system_info(DMI_SYS_VENDOR);
+	if (!vendor)
+		vendor = "";
 	product = dmi_get_system_info(DMI_PRODUCT_NAME);
 	if (!product)
 		product = "";
 
+	/* Board Name is optional */
+	board = dmi_get_system_info(DMI_BOARD_NAME);
+
 	printk(KERN_CONT "\n");
-	printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s %s/%s\n",
+	printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s",
 		current->pid, current->comm, print_tainted(),
 		init_utsname()->release,
 		(int)strcspn(init_utsname()->version, " "),
-		init_utsname()->version, board, product);
+		init_utsname()->version);
+	printk(KERN_CONT " ");
+	printk(KERN_CONT "%s %s", vendor, product);
+	if (board) {
+		printk(KERN_CONT "/");
+		printk(KERN_CONT "%s", board);
+	}
+	printk(KERN_CONT "\n");
 }
 
 void flush_thread(void)
@@ -506,7 +516,7 @@ static void poll_idle(void)
 #define MWAIT_ECX_EXTENDED_INFO		0x01
 #define MWAIT_EDX_C1			0xf0
 
-int __cpuinit mwait_usable(const struct cpuinfo_x86 *c)
+int mwait_usable(const struct cpuinfo_x86 *c)
 {
 	u32 eax, ebx, ecx, edx;
 
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index fc7aae1e2bc7..715037caeb43 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -285,6 +285,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "P4S800"),
 		},
 	},
+	{	/* Handle problems with rebooting on VersaLogic Menlow boards */
+		.callback = set_bios_reboot,
+		.ident = "VersaLogic Menlow based board",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "VersaLogic Corporation"),
+			DMI_MATCH(DMI_BOARD_NAME, "VersaLogic Menlow board"),
+		},
+	},
 	{ }
 };
 
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 03273b6c272c..08776a953487 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1060,7 +1060,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
 
 		connect_bsp_APIC();
 		setup_local_APIC();
-		end_local_APIC_setup();
+		bsp_end_local_APIC_setup();
 		return -1;
 	}
 
@@ -1137,7 +1137,7 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
 	if (!skip_ioapic_setup && nr_ioapics)
 		enable_IO_APIC();
 
-	end_local_APIC_setup();
+	bsp_end_local_APIC_setup();
 
 	map_cpu_to_logical_apicid();