Merge branch 'forcedeth'

32 files changed, 753 insertions, 133 deletions

diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt
index e05278087ffa..e71bc6cbbc5e 100644
--- a/Documentation/cpu-hotplug.txt
+++ b/Documentation/cpu-hotplug.txt
@@ -11,6 +11,8 @@
 			Joel Schopp <jschopp@austin.ibm.com>
 		ia64/x86_64:
 			Ashok Raj <ashok.raj@intel.com>
+		s390:
+			Heiko Carstens <heiko.carstens@de.ibm.com>
 
 Authors: Ashok Raj <ashok.raj@intel.com>
 Lots of feedback: Nathan Lynch <nathanl@austin.ibm.com>,
@@ -44,11 +46,9 @@ maxcpus=n    Restrict boot time cpus to n. Say if you have 4 cpus, using
              maxcpus=2 will only boot 2. You can choose to bring the
              other cpus later online, read FAQ's for more info.
 
-additional_cpus*=n	Use this to limit hotpluggable cpus. This option sets
-			cpu_possible_map = cpu_present_map + additional_cpus
-
-(*) Option valid only for following architectures
-- x86_64, ia64
+additional_cpus=n	[x86_64, s390 only] use this to limit hotpluggable cpus.
+                          This option sets
+  			cpu_possible_map = cpu_present_map + additional_cpus
 
 ia64 and x86_64 use the number of disabled local apics in ACPI tables MADT
 to determine the number of potentially hot-pluggable cpus. The implementation
@@ -58,6 +58,12 @@ mark such hot-pluggable cpus as disabled entries, one could use this
 parameter "additional_cpus=x" to represent those cpus in the cpu_possible_map.
 
 
+possible_cpus=n		[s390 only] use this to set hotpluggable cpus.
+			This option sets possible_cpus bits in
+			cpu_possible_map. Thus keeping the numbers of bits set
+			constant even if the machine gets rebooted.
+			This option overrides additional_cpus.
+
 CPU maps and such
 -----------------
 [More on cpumaps and primitive to manipulate, please check
diff --git a/Makefile b/Makefile
index 48d569d46ae1..77a448c8e776 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 16
-EXTRAVERSION =-rc3
+EXTRAVERSION =-rc4
 NAME=Sliding Snow Leopard
 
 # *DOCUMENTATION*
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index b66602ad7b33..b7ca5bf9acfc 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -80,6 +80,10 @@ config HOTPLUG_CPU
 	  can be controlled through /sys/devices/system/cpu/cpu#.
 	  Say N if you want to disable CPU hotplug.
 
+config DEFAULT_MIGRATION_COST
+	int
+	default "1000000"
+
 config MATHEMU
 	bool "IEEE FPU emulation"
 	depends on MARCH_G5
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 2d021626c1a6..cc058dc3bc8b 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -905,8 +905,8 @@ asmlinkage long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * sta
 	return ret;
 }
 
-asmlinkage long sys32_fstatat(unsigned int dfd, char __user *filename,
-			      struct stat64_emu31 __user* statbuf, int flag)
+asmlinkage long sys32_fstatat64(unsigned int dfd, char __user *filename,
+				struct stat64_emu31 __user* statbuf, int flag)
 {
 	struct kstat stat;
 	int error = -EINVAL;
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index dd2d6c3e8df8..615964cca15f 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1523,13 +1523,13 @@ compat_sys_futimesat_wrapper:
 	llgtr	%r4,%r4			# struct timeval *
 	jg	compat_sys_futimesat
 
-	.globl sys32_fstatat_wrapper
-sys32_fstatat_wrapper:
+	.globl sys32_fstatat64_wrapper
+sys32_fstatat64_wrapper:
 	llgfr	%r2,%r2			# unsigned int
 	llgtr	%r3,%r3			# char *
 	llgtr	%r4,%r4			# struct stat64 *
 	lgfr	%r5,%r5			# int
-	jg	sys32_fstatat
+	jg	sys32_fstatat64
 
 	.globl sys_unlinkat_wrapper
 sys_unlinkat_wrapper:
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 008c74526fd3..da6fbae8df91 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -128,8 +128,10 @@ void default_idle(void)
 	__ctl_set_bit(8, 15);
 
 #ifdef CONFIG_HOTPLUG_CPU
-	if (cpu_is_offline(cpu))
+	if (cpu_is_offline(cpu)) {
+		preempt_enable_no_resched();
 		cpu_die();
+	}
 #endif
 
 	local_mcck_disable();
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index de8784267473..24f62f16c0e5 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -600,6 +600,7 @@ setup_arch(char **cmdline_p)
 	init_mm.brk = (unsigned long) &_end;
 
 	parse_cmdline_early(cmdline_p);
+	parse_early_param();
 
 	setup_memory();
 	setup_resources();
@@ -607,6 +608,7 @@ setup_arch(char **cmdline_p)
 
         cpu_init();
         __cpu_logical_map[0] = S390_lowcore.cpu_data.cpu_addr;
+	smp_setup_cpu_possible_map();
 
 	/*
 	 * Create kernel page tables and switch to virtual addressing.
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 0d1ad5dbe2b1..7dbe00c76c6b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -1,8 +1,7 @@
 /*
  *  arch/s390/kernel/smp.c
  *
- *  S390 version
- *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) IBM Corp. 1999,2006
  *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com),
  *               Martin Schwidefsky (schwidefsky@de.ibm.com)
  *               Heiko Carstens (heiko.carstens@de.ibm.com)
@@ -41,8 +40,6 @@
 #include <asm/cpcmd.h>
 #include <asm/tlbflush.h>
 
-/* prototypes */
-
 extern volatile int __cpu_logical_map[];
 
 /*
@@ -51,13 +48,11 @@ extern volatile int __cpu_logical_map[];
 
 struct _lowcore *lowcore_ptr[NR_CPUS];
 
-cpumask_t cpu_online_map;
-cpumask_t cpu_possible_map = CPU_MASK_ALL;
+cpumask_t cpu_online_map = CPU_MASK_NONE;
+cpumask_t cpu_possible_map = CPU_MASK_NONE;
 
 static struct task_struct *current_set[NR_CPUS];
 
-EXPORT_SYMBOL(cpu_online_map);
-
 /*
  * Reboot, halt and power_off routines for SMP.
  */
@@ -490,10 +485,10 @@ void smp_ctl_clear_bit(int cr, int bit) {
  * Lets check how many CPUs we have.
  */
 
-void
-__init smp_check_cpus(unsigned int max_cpus)
+static unsigned int
+__init smp_count_cpus(void)
 {
-	int cpu, num_cpus;
+	unsigned int cpu, num_cpus;
 	__u16 boot_cpu_addr;
 
 	/*
@@ -503,19 +498,20 @@ __init smp_check_cpus(unsigned int max_cpus)
 	boot_cpu_addr = S390_lowcore.cpu_data.cpu_addr;
 	current_thread_info()->cpu = 0;
 	num_cpus = 1;
-	for (cpu = 0; cpu <= 65535 && num_cpus < max_cpus; cpu++) {
+	for (cpu = 0; cpu <= 65535; cpu++) {
 		if ((__u16) cpu == boot_cpu_addr)
 			continue;
-		__cpu_logical_map[num_cpus] = (__u16) cpu;
-		if (signal_processor(num_cpus, sigp_sense) ==
+		__cpu_logical_map[1] = (__u16) cpu;
+		if (signal_processor(1, sigp_sense) ==
 		    sigp_not_operational)
 			continue;
-		cpu_set(num_cpus, cpu_present_map);
 		num_cpus++;
 	}
 
 	printk("Detected %d CPU's\n",(int) num_cpus);
 	printk("Boot cpu address %2X\n", boot_cpu_addr);
+
+	return num_cpus;
 }
 
 /*
@@ -676,6 +672,44 @@ __cpu_up(unsigned int cpu)
 	return 0;
 }
 
+static unsigned int __initdata additional_cpus;
+static unsigned int __initdata possible_cpus;
+
+void __init smp_setup_cpu_possible_map(void)
+{
+	unsigned int phy_cpus, pos_cpus, cpu;
+
+	phy_cpus = smp_count_cpus();
+	pos_cpus = min(phy_cpus + additional_cpus, (unsigned int) NR_CPUS);
+
+	if (possible_cpus)
+		pos_cpus = min(possible_cpus, (unsigned int) NR_CPUS);
+
+	for (cpu = 0; cpu < pos_cpus; cpu++)
+		cpu_set(cpu, cpu_possible_map);
+
+	phy_cpus = min(phy_cpus, pos_cpus);
+
+	for (cpu = 0; cpu < phy_cpus; cpu++)
+		cpu_set(cpu, cpu_present_map);
+}
+
+#ifdef CONFIG_HOTPLUG_CPU
+
+static int __init setup_additional_cpus(char *s)
+{
+	additional_cpus = simple_strtoul(s, NULL, 0);
+	return 0;
+}
+early_param("additional_cpus", setup_additional_cpus);
+
+static int __init setup_possible_cpus(char *s)
+{
+	possible_cpus = simple_strtoul(s, NULL, 0);
+	return 0;
+}
+early_param("possible_cpus", setup_possible_cpus);
+
 int
 __cpu_disable(void)
 {
@@ -744,6 +778,8 @@ cpu_die(void)
 	for(;;);
 }
 
+#endif /* CONFIG_HOTPLUG_CPU */
+
 /*
  *	Cycle through the processors and setup structures.
  */
@@ -757,7 +793,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
         /* request the 0x1201 emergency signal external interrupt */
         if (register_external_interrupt(0x1201, do_ext_call_interrupt) != 0)
                 panic("Couldn't request external interrupt 0x1201");
-        smp_check_cpus(max_cpus);
         memset(lowcore_ptr,0,sizeof(lowcore_ptr));  
         /*
          *  Initialize prefix pages and stacks for all possible cpus
@@ -806,7 +841,6 @@ void __devinit smp_prepare_boot_cpu(void)
 	BUG_ON(smp_processor_id() != 0);
 
 	cpu_set(0, cpu_online_map);
-	cpu_set(0, cpu_present_map);
 	S390_lowcore.percpu_offset = __per_cpu_offset[0];
 	current_set[0] = current;
 }
@@ -845,6 +879,7 @@ static int __init topology_init(void)
 
 subsys_initcall(topology_init);
 
+EXPORT_SYMBOL(cpu_online_map);
 EXPORT_SYMBOL(cpu_possible_map);
 EXPORT_SYMBOL(lowcore_ptr);
 EXPORT_SYMBOL(smp_ctl_set_bit);
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 84921fe8d266..7c88d85c3597 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -301,7 +301,7 @@ SYSCALL(sys_mkdirat,sys_mkdirat,sys_mkdirat_wrapper)
 SYSCALL(sys_mknodat,sys_mknodat,sys_mknodat_wrapper)	/* 290 */
 SYSCALL(sys_fchownat,sys_fchownat,sys_fchownat_wrapper)
 SYSCALL(sys_futimesat,sys_futimesat,compat_sys_futimesat_wrapper)
-SYSCALL(sys_fstatat64,sys_newfstatat,sys32_fstatat_wrapper)
+SYSCALL(sys_fstatat64,sys_newfstatat,sys32_fstatat64_wrapper)
 SYSCALL(sys_unlinkat,sys_unlinkat,sys_unlinkat_wrapper)
 SYSCALL(sys_renameat,sys_renameat,sys_renameat_wrapper)	/* 295 */
 SYSCALL(sys_linkat,sys_linkat,sys_linkat_wrapper)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 504d56f8ca7f..e73621d03a28 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -446,7 +446,7 @@ endmenu
 
 config ISA_DMA_API
 	bool
-	depends on MPC1211
+	depends on SH_MPC1211
 	default y
 
 menu "Kernel features"
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index dc49bfb6db0a..9013a90b5c2e 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -288,9 +288,9 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
 
 	memcpy(str,mpc->mpc_productid,12);
 	str[12]=0;
-	printk(KERN_INFO "Product ID: %s ",str);
+	printk("Product ID: %s ",str);
 
-	printk(KERN_INFO "APIC at: 0x%X\n",mpc->mpc_lapic);
+	printk("APIC at: 0x%X\n",mpc->mpc_lapic);
 
 	/* save the local APIC address, it might be non-default */
 	if (!acpi_lapic)
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 7d6481d9fbec..4038dbfa63a0 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -391,8 +391,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
 			 * Ensure a 32-bit boundary for the structure
 			 */
 			extra_struct_bytes =
-			    ACPI_ROUND_UP_to_32_bITS(resource_length) -
-			    resource_length;
+			    ACPI_ROUND_UP_to_32_bITS(resource_length);
 			break;
 
 		case ACPI_RESOURCE_NAME_END_TAG:
@@ -408,8 +407,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
 			 * Add vendor data and ensure a 32-bit boundary for the structure
 			 */
 			extra_struct_bytes =
-			    ACPI_ROUND_UP_to_32_bITS(resource_length) -
-			    resource_length;
+			    ACPI_ROUND_UP_to_32_bITS(resource_length);
 			break;
 
 		case ACPI_RESOURCE_NAME_ADDRESS32:
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
index ec7590951af5..24095f6ee6da 100644
--- a/drivers/char/tpm/tpm_infineon.c
+++ b/drivers/char/tpm/tpm_infineon.c
@@ -33,6 +33,7 @@
 static int TPM_INF_DATA;
 static int TPM_INF_ADDR;
 static int TPM_INF_BASE;
+static int TPM_INF_ADDR_LEN;
 static int TPM_INF_PORT_LEN;
 
 /* TPM header definitions */
@@ -195,6 +196,7 @@ static int tpm_inf_recv(struct tpm_chip *chip, u8 * buf, size_t count)
 	int i;
 	int ret;
 	u32 size = 0;
+	number_of_wtx = 0;
 
 recv_begin:
 	/* start receiving header */
@@ -378,24 +380,35 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
 	if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) &&
 	    !(pnp_port_flags(dev, 0) & IORESOURCE_DISABLED)) {
 		TPM_INF_ADDR = pnp_port_start(dev, 0);
+		TPM_INF_ADDR_LEN = pnp_port_len(dev, 0);
 		TPM_INF_DATA = (TPM_INF_ADDR + 1);
 		TPM_INF_BASE = pnp_port_start(dev, 1);
 		TPM_INF_PORT_LEN = pnp_port_len(dev, 1);
-		if (!TPM_INF_PORT_LEN)
-			return -EINVAL;
+		if ((TPM_INF_PORT_LEN < 4) || (TPM_INF_ADDR_LEN < 2)) {
+			rc = -EINVAL;
+			goto err_last;
+		}
 		dev_info(&dev->dev, "Found %s with ID %s\n",
 			 dev->name, dev_id->id);
-		if (!((TPM_INF_BASE >> 8) & 0xff))
-			return -EINVAL;
+		if (!((TPM_INF_BASE >> 8) & 0xff)) {
+			rc = -EINVAL;
+			goto err_last;
+		}
 		/* publish my base address and request region */
 		tpm_inf.base = TPM_INF_BASE;
 		if (request_region
 		    (tpm_inf.base, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
-			release_region(tpm_inf.base, TPM_INF_PORT_LEN);
-			return -EINVAL;
+			rc = -EINVAL;
+			goto err_last;
+		}
+		if (request_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN,
+				"tpm_infineon0") == NULL) {
+			rc = -EINVAL;
+			goto err_last;
 		}
 	} else {
-		return -EINVAL;
+		rc = -EINVAL;
+		goto err_last;
 	}
 
 	/* query chip for its vendor, its version number a.s.o. */
@@ -443,8 +456,8 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
 			dev_err(&dev->dev,
 				"Could not set IO-ports to 0x%lx\n",
 				tpm_inf.base);
-			release_region(tpm_inf.base, TPM_INF_PORT_LEN);
-			return -EIO;
+			rc = -EIO;
+			goto err_release_region;
 		}
 
 		/* activate register */
@@ -471,14 +484,21 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
 
 		rc = tpm_register_hardware(&dev->dev, &tpm_inf);
 		if (rc < 0) {
-			release_region(tpm_inf.base, TPM_INF_PORT_LEN);
-			return -ENODEV;
+			rc = -ENODEV;
+			goto err_release_region;
 		}
 		return 0;
 	} else {
-		dev_info(&dev->dev, "No Infineon TPM found!\n");
-		return -ENODEV;
+		rc = -ENODEV;
+		goto err_release_region;
 	}
+
+err_release_region:
+	release_region(tpm_inf.base, TPM_INF_PORT_LEN);
+	release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
+
+err_last:
+	return rc;
 }
 
 static __devexit void tpm_inf_pnp_remove(struct pnp_dev *dev)
@@ -518,5 +538,5 @@ module_exit(cleanup_inf);
 
 MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>");
 MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2");
-MODULE_VERSION("1.6");
+MODULE_VERSION("1.7");
 MODULE_LICENSE("GPL");
diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c
index 3a32c59494f2..24e51d5e97fc 100644
--- a/drivers/macintosh/windfarm_smu_sat.c
+++ b/drivers/macintosh/windfarm_smu_sat.c
@@ -151,6 +151,7 @@ struct smu_sdbp_header *smu_sat_get_sdb_partition(unsigned int sat_id, int id,
 	kfree(buf);
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(smu_sat_get_sdb_partition);
 
 /* refresh the cache */
 static int wf_sat_read_cache(struct wf_sat *sat)
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 3682ec61e8a8..e7fc28b07e5a 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -102,6 +102,9 @@
  *	0.47: 26 Oct 2005: Add phyaddr 0 in phy scan.
  *	0.48: 24 Dec 2005: Disable TSO, bugfix for pci_map_single
  *	0.49: 10 Dec 2005: Fix tso for large buffers.
+ *	0.50: 20 Jan 2006: Add 8021pq tagging support.
+ *	0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings.
+ *	0.52: 20 Jan 2006: Add MSI/MSIX support.
  *
  * Known bugs:
  * We suspect that on some hardware no TX done interrupts are generated.
@@ -113,7 +116,7 @@
  * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
  * superfluous timer interrupts from the nic.
  */
-#define FORCEDETH_VERSION		"0.49"
+#define FORCEDETH_VERSION		"0.52"
 #define DRV_NAME			"forcedeth"
 
 #include <linux/module.h>
@@ -153,6 +156,9 @@
 #define DEV_HAS_LARGEDESC	0x0004	/* device supports jumbo frames and needs packet format 2 */
 #define DEV_HAS_HIGH_DMA        0x0008  /* device supports 64bit dma */
 #define DEV_HAS_CHECKSUM        0x0010  /* device supports tx and rx checksum offloads */
+#define DEV_HAS_VLAN            0x0020  /* device supports vlan tagging and striping */
+#define DEV_HAS_MSI             0x0040  /* device supports MSI */
+#define DEV_HAS_MSI_X           0x0080  /* device supports MSI-X */
 
 enum {
 	NvRegIrqStatus = 0x000,
@@ -166,14 +172,17 @@ enum {
 #define NVREG_IRQ_TX_OK			0x0010
 #define NVREG_IRQ_TIMER			0x0020
 #define NVREG_IRQ_LINK			0x0040
-#define NVREG_IRQ_TX_ERROR		0x0080
-#define NVREG_IRQ_TX1			0x0100
+#define NVREG_IRQ_RX_FORCED		0x0080
+#define NVREG_IRQ_TX_FORCED		0x0100
 #define NVREG_IRQMASK_THROUGHPUT	0x00df
 #define NVREG_IRQMASK_CPU		0x0040
+#define NVREG_IRQ_TX_ALL		(NVREG_IRQ_TX_ERR|NVREG_IRQ_TX_OK|NVREG_IRQ_TX_FORCED)
+#define NVREG_IRQ_RX_ALL		(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_RX_FORCED)
+#define NVREG_IRQ_OTHER			(NVREG_IRQ_TIMER|NVREG_IRQ_LINK)
 
 #define NVREG_IRQ_UNKNOWN	(~(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_TX_ERR| \
-					NVREG_IRQ_TX_OK|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_TX_ERROR| \
-					NVREG_IRQ_TX1))
+					NVREG_IRQ_TX_OK|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RX_FORCED| \
+					NVREG_IRQ_TX_FORCED))
 
 	NvRegUnknownSetupReg6 = 0x008,
 #define NVREG_UNKSETUP6_VAL		3
@@ -185,6 +194,10 @@ enum {
 	NvRegPollingInterval = 0x00c,
 #define NVREG_POLL_DEFAULT_THROUGHPUT	970
 #define NVREG_POLL_DEFAULT_CPU	13
+	NvRegMSIMap0 = 0x020,
+	NvRegMSIMap1 = 0x024,
+	NvRegMSIIrqMask = 0x030,
+#define NVREG_MSI_VECTOR_0_ENABLED 0x01
 	NvRegMisc1 = 0x080,
 #define NVREG_MISC1_HD		0x02
 #define NVREG_MISC1_FORCE	0x3b0f3c
@@ -254,6 +267,10 @@ enum {
 #define NVREG_TXRXCTL_DESC_1	0
 #define NVREG_TXRXCTL_DESC_2	0x02100
 #define NVREG_TXRXCTL_DESC_3	0x02200
+#define NVREG_TXRXCTL_VLANSTRIP 0x00040
+#define NVREG_TXRXCTL_VLANINS	0x00080
+	NvRegTxRingPhysAddrHigh = 0x148,
+	NvRegRxRingPhysAddrHigh = 0x14C,
 	NvRegMIIStatus = 0x180,
 #define NVREG_MIISTAT_ERROR		0x0001
 #define NVREG_MIISTAT_LINKCHANGE	0x0008
@@ -303,6 +320,11 @@ enum {
 #define NVREG_POWERSTATE_D1		0x0001
 #define NVREG_POWERSTATE_D2		0x0002
 #define NVREG_POWERSTATE_D3		0x0003
+	NvRegVlanControl = 0x300,
+#define NVREG_VLANCONTROL_ENABLE	0x2000
+	NvRegMSIXMap0 = 0x3e0,
+	NvRegMSIXMap1 = 0x3e4,
+	NvRegMSIXIrqStatus = 0x3f0,
 };
 
 /* Big endian: should work, but is untested */
@@ -314,7 +336,7 @@ struct ring_desc {
 struct ring_desc_ex {
 	u32 PacketBufferHigh;
 	u32 PacketBufferLow;
-	u32 Reserved;
+	u32 TxVlan;
 	u32 FlagLen;
 };
 
@@ -355,6 +377,8 @@ typedef union _ring_type {
 #define NV_TX2_CHECKSUM_L3	(1<<27)
 #define NV_TX2_CHECKSUM_L4	(1<<26)
 
+#define NV_TX3_VLAN_TAG_PRESENT (1<<18)
+
 #define NV_RX_DESCRIPTORVALID	(1<<16)
 #define NV_RX_MISSEDFRAME	(1<<17)
 #define NV_RX_SUBSTRACT1	(1<<18)
@@ -385,6 +409,9 @@ typedef union _ring_type {
 #define NV_RX2_ERROR		(1<<30)
 #define NV_RX2_AVAIL		(1<<31)
 
+#define NV_RX3_VLAN_TAG_PRESENT (1<<16)
+#define NV_RX3_VLAN_TAG_MASK	(0x0000FFFF)
+
 /* Miscelaneous hardware related defines: */
 #define NV_PCI_REGSZ		0x270
 
@@ -475,6 +502,18 @@ typedef union _ring_type {
 #define LPA_1000FULL	0x0800
 #define LPA_1000HALF	0x0400
 
+/* MSI/MSI-X defines */
+#define NV_MSI_X_MAX_VECTORS  8
+#define NV_MSI_X_VECTORS_MASK 0x000f
+#define NV_MSI_CAPABLE        0x0010
+#define NV_MSI_X_CAPABLE      0x0020
+#define NV_MSI_ENABLED        0x0040
+#define NV_MSI_X_ENABLED      0x0080
+
+#define NV_MSI_X_VECTOR_ALL   0x0
+#define NV_MSI_X_VECTOR_RX    0x0
+#define NV_MSI_X_VECTOR_TX    0x1
+#define NV_MSI_X_VECTOR_OTHER 0x2
 
 /*
  * SMP locking:
@@ -511,6 +550,7 @@ struct fe_priv {
 	u32 irqmask;
 	u32 desc_ver;
 	u32 txrxctl_bits;
+	u32 vlanctl_bits;
 
 	void __iomem *base;
 
@@ -525,6 +565,7 @@ struct fe_priv {
 	unsigned int pkt_limit;
 	struct timer_list oom_kick;
 	struct timer_list nic_poll;
+	u32 nic_poll_irq;
 
 	/* media detection workaround.
 	 * Locking: Within irq hander or disable_irq+spin_lock(&np->lock);
@@ -540,6 +581,13 @@ struct fe_priv {
 	dma_addr_t tx_dma[TX_RING];
 	unsigned int tx_dma_len[TX_RING];
 	u32 tx_flags;
+
+	/* vlan fields */
+	struct vlan_group *vlangrp;
+
+	/* msi/msi-x fields */
+	u32 msi_flags;
+	struct msix_entry msi_x_entry[NV_MSI_X_MAX_VECTORS];
 };
 
 /*
@@ -567,6 +615,16 @@ static int optimization_mode = NV_OPTIMIZATION_MODE_THROUGHPUT;
  */
 static int poll_interval = -1;
 
+/*
+ * Disable MSI interrupts
+ */
+static int disable_msi = 0;
+
+/*
+ * Disable MSIX interrupts
+ */
+static int disable_msix = 0;
+
 static inline struct fe_priv *get_nvpriv(struct net_device *dev)
 {
 	return netdev_priv(dev);
@@ -612,6 +670,33 @@ static int reg_delay(struct net_device *dev, int offset, u32 mask, u32 target,
 	return 0;
 }
 
+#define NV_SETUP_RX_RING 0x01
+#define NV_SETUP_TX_RING 0x02
+
+static void setup_hw_rings(struct net_device *dev, int rxtx_flags)
+{
+	struct fe_priv *np = get_nvpriv(dev);
+	u8 __iomem *base = get_hwbase(dev);
+
+	if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
+		if (rxtx_flags & NV_SETUP_RX_RING) {
+			writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr);
+		}
+		if (rxtx_flags & NV_SETUP_TX_RING) {
+			writel((u32) cpu_to_le64(np->ring_addr + RX_RING*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr);
+		}
+	} else {
+		if (rxtx_flags & NV_SETUP_RX_RING) {
+			writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr);
+			writel((u32) (cpu_to_le64(np->ring_addr) >> 32), base + NvRegRxRingPhysAddrHigh);
+		}
+		if (rxtx_flags & NV_SETUP_TX_RING) {
+			writel((u32) cpu_to_le64(np->ring_addr + RX_RING*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr);
+			writel((u32) (cpu_to_le64(np->ring_addr + RX_RING*sizeof(struct ring_desc_ex)) >> 32), base + NvRegTxRingPhysAddrHigh);
+		}
+	}
+}
+
 #define MII_READ	(-1)
 /* mii_rw: read/write a register on the PHY.
  *
@@ -903,14 +988,27 @@ static void nv_do_rx_refill(unsigned long data)
 	struct net_device *dev = (struct net_device *) data;
 	struct fe_priv *np = netdev_priv(dev);
 
-	disable_irq(dev->irq);
+
+	if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+	    ((np->msi_flags & NV_MSI_X_ENABLED) && 
+	     ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+		disable_irq(dev->irq);
+	} else {
+		disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+	}
 	if (nv_alloc_rx(dev)) {
 		spin_lock(&np->lock);
 		if (!np->in_shutdown)
 			mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
 		spin_unlock(&np->lock);
 	}
-	enable_irq(dev->irq);
+	if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+	    ((np->msi_flags & NV_MSI_X_ENABLED) && 
+	     ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+		enable_irq(dev->irq);
+	} else {
+		enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+	}
 }
 
 static void nv_init_rx(struct net_device *dev) 
@@ -965,7 +1063,7 @@ static int nv_release_txskb(struct net_device *dev, unsigned int skbnr)
 	}
 
 	if (np->tx_skbuff[skbnr]) {
-		dev_kfree_skb_irq(np->tx_skbuff[skbnr]);
+		dev_kfree_skb_any(np->tx_skbuff[skbnr]);
 		np->tx_skbuff[skbnr] = NULL;
 		return 1;
 	} else {
@@ -1031,6 +1129,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	u32 bcnt;
 	u32 size = skb->len-skb->data_len;
 	u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0);
+	u32 tx_flags_vlan = 0;
 
 	/* add fragments to entries count */
 	for (i = 0; i < fragments; i++) {
@@ -1111,10 +1210,16 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
 #endif
 	tx_flags_extra = (skb->ip_summed == CHECKSUM_HW ? (NV_TX2_CHECKSUM_L3|NV_TX2_CHECKSUM_L4) : 0);
 
+	/* vlan tag */
+	if (np->vlangrp && vlan_tx_tag_present(skb)) {
+		tx_flags_vlan = NV_TX3_VLAN_TAG_PRESENT | vlan_tx_tag_get(skb);
+	}
+
 	/* set tx flags */
 	if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
 		np->tx_ring.orig[start_nr].FlagLen |= cpu_to_le32(tx_flags | tx_flags_extra);
 	} else {
+		np->tx_ring.ex[start_nr].TxVlan = cpu_to_le32(tx_flags_vlan);
 		np->tx_ring.ex[start_nr].FlagLen |= cpu_to_le32(tx_flags | tx_flags_extra);
 	}	
 
@@ -1209,9 +1314,14 @@ static void nv_tx_timeout(struct net_device *dev)
 {
 	struct fe_priv *np = netdev_priv(dev);
 	u8 __iomem *base = get_hwbase(dev);
+	u32 status;
+
+	if (np->msi_flags & NV_MSI_X_ENABLED)
+		status = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK;
+	else
+		status = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK;
 
-	printk(KERN_INFO "%s: Got tx_timeout. irq: %08x\n", dev->name,
-			readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK);
+	printk(KERN_INFO "%s: Got tx_timeout. irq: %08x\n", dev->name, status);
 
 	{
 		int i;
@@ -1273,10 +1383,7 @@ static void nv_tx_timeout(struct net_device *dev)
 		printk(KERN_DEBUG "%s: tx_timeout: dead entries!\n", dev->name);
 		nv_drain_tx(dev);
 		np->next_tx = np->nic_tx = 0;
-		if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
-			writel((u32) (np->ring_addr + RX_RING*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr);
-		else
-			writel((u32) (np->ring_addr + RX_RING*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr);
+		setup_hw_rings(dev, NV_SETUP_TX_RING);
 		netif_wake_queue(dev);
 	}
 
@@ -1342,6 +1449,8 @@ static void nv_rx_process(struct net_device *dev)
 {
 	struct fe_priv *np = netdev_priv(dev);
 	u32 Flags;
+	u32 vlanflags = 0;
+
 
 	for (;;) {
 		struct sk_buff *skb;
@@ -1357,6 +1466,7 @@ static void nv_rx_process(struct net_device *dev)
 		} else {
 			Flags = le32_to_cpu(np->rx_ring.ex[i].FlagLen);
 			len = nv_descr_getlength_ex(&np->rx_ring.ex[i], np->desc_ver);
+			vlanflags = le32_to_cpu(np->rx_ring.ex[i].PacketBufferLow);
 		}
 
 		dprintk(KERN_DEBUG "%s: nv_rx_process: looking at packet %d, Flags 0x%x.\n",
@@ -1474,7 +1584,11 @@ static void nv_rx_process(struct net_device *dev)
 		skb->protocol = eth_type_trans(skb, dev);
 		dprintk(KERN_DEBUG "%s: nv_rx_process: packet %d with %d bytes, proto %d accepted.\n",
 					dev->name, np->cur_rx, len, skb->protocol);
-		netif_rx(skb);
+		if (np->vlangrp && (vlanflags & NV_RX3_VLAN_TAG_PRESENT)) {
+			vlan_hwaccel_rx(skb, np->vlangrp, vlanflags & NV_RX3_VLAN_TAG_MASK);
+		} else {
+			netif_rx(skb);
+		}
 		dev->last_rx = jiffies;
 		np->stats.rx_packets++;
 		np->stats.rx_bytes += len;
@@ -1523,7 +1637,15 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
 		 * guessed, there is probably a simpler approach.
 		 * Changing the MTU is a rare event, it shouldn't matter.
 		 */
-		disable_irq(dev->irq);
+		if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+		    ((np->msi_flags & NV_MSI_X_ENABLED) && 
+		     ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+			disable_irq(dev->irq);
+		} else {
+			disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+			disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+			disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+		}
 		spin_lock_bh(&dev->xmit_lock);
 		spin_lock(&np->lock);
 		/* stop engines */
@@ -1544,11 +1666,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
 		}
 		/* reinit nic view of the rx queue */
 		writel(np->rx_buf_sz, base + NvRegOffloadConfig);
-		writel((u32) np->ring_addr, base + NvRegRxRingPhysAddr);
-		if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
-			writel((u32) (np->ring_addr + RX_RING*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr);
-		else
-			writel((u32) (np->ring_addr + RX_RING*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr);
+		setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING);
 		writel( ((RX_RING-1) << NVREG_RINGSZ_RXSHIFT) + ((TX_RING-1) << NVREG_RINGSZ_TXSHIFT),
 			base + NvRegRingSizes);
 		pci_push(base);
@@ -1560,7 +1678,15 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
 		nv_start_tx(dev);
 		spin_unlock(&np->lock);
 		spin_unlock_bh(&dev->xmit_lock);
-		enable_irq(dev->irq);
+		if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+		    ((np->msi_flags & NV_MSI_X_ENABLED) && 
+		     ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+			enable_irq(dev->irq);
+		} else {
+			enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+			enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+			enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+		}
 	}
 	return 0;
 }
@@ -1866,8 +1992,13 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs)
 	dprintk(KERN_DEBUG "%s: nv_nic_irq\n", dev->name);
 
 	for (i=0; ; i++) {
-		events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK;
-		writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
+		if (!(np->msi_flags & NV_MSI_X_ENABLED)) {
+			events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK;
+			writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
+		} else {
+			events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK;
+			writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus);
+		}
 		pci_push(base);
 		dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events);
 		if (!(events & np->irqmask))
@@ -1907,11 +2038,16 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs)
 		if (i > max_interrupt_work) {
 			spin_lock(&np->lock);
 			/* disable interrupts on the nic */
-			writel(0, base + NvRegIrqMask);
+			if (!(np->msi_flags & NV_MSI_X_ENABLED))
+				writel(0, base + NvRegIrqMask);
+			else
+				writel(np->irqmask, base + NvRegIrqMask);
 			pci_push(base);
 
-			if (!np->in_shutdown)
+			if (!np->in_shutdown) {
+				np->nic_poll_irq = np->irqmask;
 				mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
+			}
 			printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq.\n", dev->name, i);
 			spin_unlock(&np->lock);
 			break;
@@ -1923,22 +2059,212 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs)
 	return IRQ_RETVAL(i);
 }
 
+static irqreturn_t nv_nic_irq_tx(int foo, void *data, struct pt_regs *regs)
+{
+	struct net_device *dev = (struct net_device *) data;
+	struct fe_priv *np = netdev_priv(dev);
+	u8 __iomem *base = get_hwbase(dev);
+	u32 events;
+	int i;
+
+	dprintk(KERN_DEBUG "%s: nv_nic_irq_tx\n", dev->name);
+
+	for (i=0; ; i++) {
+		events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_TX_ALL;
+		writel(NVREG_IRQ_TX_ALL, base + NvRegMSIXIrqStatus);
+		pci_push(base);
+		dprintk(KERN_DEBUG "%s: tx irq: %08x\n", dev->name, events);
+		if (!(events & np->irqmask))
+			break;
+
+		spin_lock(&np->lock);
+		nv_tx_done(dev);
+		spin_unlock(&np->lock);
+		
+		if (events & (NVREG_IRQ_TX_ERR)) {
+			dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n",
+						dev->name, events);
+		}
+		if (i > max_interrupt_work) {
+			spin_lock(&np->lock);
+			/* disable interrupts on the nic */
+			writel(NVREG_IRQ_TX_ALL, base + NvRegIrqMask);
+			pci_push(base);
+
+			if (!np->in_shutdown) {
+				np->nic_poll_irq |= NVREG_IRQ_TX_ALL;
+				mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
+			}
+			printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_tx.\n", dev->name, i);
+			spin_unlock(&np->lock);
+			break;
+		}
+
+	}
+	dprintk(KERN_DEBUG "%s: nv_nic_irq_tx completed\n", dev->name);
+
+	return IRQ_RETVAL(i);
+}
+
+static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs)
+{
+	struct net_device *dev = (struct net_device *) data;
+	struct fe_priv *np = netdev_priv(dev);
+	u8 __iomem *base = get_hwbase(dev);
+	u32 events;
+	int i;
+
+	dprintk(KERN_DEBUG "%s: nv_nic_irq_rx\n", dev->name);
+
+	for (i=0; ; i++) {
+		events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_RX_ALL;
+		writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus);
+		pci_push(base);
+		dprintk(KERN_DEBUG "%s: rx irq: %08x\n", dev->name, events);
+		if (!(events & np->irqmask))
+			break;
+		
+		nv_rx_process(dev);
+		if (nv_alloc_rx(dev)) {
+			spin_lock(&np->lock);
+			if (!np->in_shutdown)
+				mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
+			spin_unlock(&np->lock);
+		}
+		
+		if (i > max_interrupt_work) {
+			spin_lock(&np->lock);
+			/* disable interrupts on the nic */
+			writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask);
+			pci_push(base);
+
+			if (!np->in_shutdown) {
+				np->nic_poll_irq |= NVREG_IRQ_RX_ALL;
+				mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
+			}
+			printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_rx.\n", dev->name, i);
+			spin_unlock(&np->lock);
+			break;
+		}
+
+	}
+	dprintk(KERN_DEBUG "%s: nv_nic_irq_rx completed\n", dev->name);
+
+	return IRQ_RETVAL(i);
+}
+
+static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
+{
+	struct net_device *dev = (struct net_device *) data;
+	struct fe_priv *np = netdev_priv(dev);
+	u8 __iomem *base = get_hwbase(dev);
+	u32 events;
+	int i;
+
+	dprintk(KERN_DEBUG "%s: nv_nic_irq_other\n", dev->name);
+
+	for (i=0; ; i++) {
+		events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_OTHER;
+		writel(NVREG_IRQ_OTHER, base + NvRegMSIXIrqStatus);
+		pci_push(base);
+		dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events);
+		if (!(events & np->irqmask))
+			break;
+		
+		if (events & NVREG_IRQ_LINK) {
+			spin_lock(&np->lock);
+			nv_link_irq(dev);
+			spin_unlock(&np->lock);
+		}
+		if (np->need_linktimer && time_after(jiffies, np->link_timeout)) {
+			spin_lock(&np->lock);
+			nv_linkchange(dev);
+			spin_unlock(&np->lock);
+			np->link_timeout = jiffies + LINK_TIMEOUT;
+		}
+		if (events & (NVREG_IRQ_UNKNOWN)) {
+			printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n",
+						dev->name, events);
+		}
+		if (i > max_interrupt_work) {
+			spin_lock(&np->lock);
+			/* disable interrupts on the nic */
+			writel(NVREG_IRQ_OTHER, base + NvRegIrqMask);
+			pci_push(base);
+
+			if (!np->in_shutdown) {
+				np->nic_poll_irq |= NVREG_IRQ_OTHER;
+				mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
+			}
+			printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_other.\n", dev->name, i);
+			spin_unlock(&np->lock);
+			break;
+		}
+
+	}
+	dprintk(KERN_DEBUG "%s: nv_nic_irq_other completed\n", dev->name);
+
+	return IRQ_RETVAL(i);
+}
+
 static void nv_do_nic_poll(unsigned long data)
 {
 	struct net_device *dev = (struct net_device *) data;
 	struct fe_priv *np = netdev_priv(dev);
 	u8 __iomem *base = get_hwbase(dev);
+	u32 mask = 0;
 
-	disable_irq(dev->irq);
-	/* FIXME: Do we need synchronize_irq(dev->irq) here? */
 	/*
+	 * First disable irq(s) and then
 	 * reenable interrupts on the nic, we have to do this before calling
 	 * nv_nic_irq because that may decide to do otherwise
 	 */
-	writel(np->irqmask, base + NvRegIrqMask);
+
+	if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+	    ((np->msi_flags & NV_MSI_X_ENABLED) && 
+	     ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+		disable_irq(dev->irq);
+		mask = np->irqmask;
+	} else {
+		if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
+			disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+			mask |= NVREG_IRQ_RX_ALL;
+		}
+		if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) {
+			disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+			mask |= NVREG_IRQ_TX_ALL;
+		}
+		if (np->nic_poll_irq & NVREG_IRQ_OTHER) {
+			disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+			mask |= NVREG_IRQ_OTHER;
+		}
+	}
+	np->nic_poll_irq = 0;
+
+	/* FIXME: Do we need synchronize_irq(dev->irq) here? */
+	
+	writel(mask, base + NvRegIrqMask);
 	pci_push(base);
-	nv_nic_irq((int) 0, (void *) data, (struct pt_regs *) NULL);
-	enable_irq(dev->irq);
+
+	if (!(np->msi_flags & NV_MSI_X_ENABLED) || 
+	    ((np->msi_flags & NV_MSI_X_ENABLED) && 
+	     ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+		nv_nic_irq((int) 0, (void *) data, (struct pt_regs *) NULL);
+		enable_irq(dev->irq);
+	} else {
+		if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
+			nv_nic_irq_rx((int) 0, (void *) data, (struct pt_regs *) NULL);
+			enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+		}
+		if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) {
+			nv_nic_irq_tx((int) 0, (void *) data, (struct pt_regs *) NULL);
+			enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+		}
+		if (np->nic_poll_irq & NVREG_IRQ_OTHER) {
+			nv_nic_irq_other((int) 0, (void *) data, (struct pt_regs *) NULL);
+			enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+		}
+	}
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -2217,11 +2543,66 @@ static struct ethtool_ops ops = {
 	.get_perm_addr = ethtool_op_get_perm_addr,
 };
 
+static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
+{
+	struct fe_priv *np = get_nvpriv(dev);
+
+	spin_lock_irq(&np->lock);
+
+	/* save vlan group */
+	np->vlangrp = grp;
+
+	if (grp) {
+		/* enable vlan on MAC */
+		np->txrxctl_bits |= NVREG_TXRXCTL_VLANSTRIP | NVREG_TXRXCTL_VLANINS;
+	} else {
+		/* disable vlan on MAC */
+		np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANSTRIP;
+		np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANINS;
+	}
+
+	writel(np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl);
+
+	spin_unlock_irq(&np->lock);
+};
+
+static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
+{
+	/* nothing to do */
+};
+
+static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask)
+{
+	u8 __iomem *base = get_hwbase(dev);
+	int i;
+	u32 msixmap = 0;
+
+	/* Each interrupt bit can be mapped to a MSIX vector (4 bits).
+	 * MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents
+	 * the remaining 8 interrupts.
+	 */
+	for (i = 0; i < 8; i++) {
+		if ((irqmask >> i) & 0x1) {
+			msixmap |= vector << (i << 2);
+		}
+	}
+	writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0);
+
+	msixmap = 0;
+	for (i = 0; i < 8; i++) {
+		if ((irqmask >> (i + 8)) & 0x1) {
+			msixmap |= vector << (i << 2);
+		}
+	}
+	writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1);
+}
+
 static int nv_open(struct net_device *dev)
 {
 	struct fe_priv *np = netdev_priv(dev);
 	u8 __iomem *base = get_hwbase(dev);
-	int ret, oom, i;
+	int ret = 1;
+	int oom, i;
 
 	dprintk(KERN_DEBUG "nv_open: begin\n");
 
@@ -2253,11 +2634,7 @@ static int nv_open(struct net_device *dev)
 	nv_copy_mac_to_hw(dev);
 
 	/* 4) give hw rings */
-	writel((u32) np->ring_addr, base + NvRegRxRingPhysAddr);
-	if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
-		writel((u32) (np->ring_addr + RX_RING*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr);
-	else
-		writel((u32) (np->ring_addr + RX_RING*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr);
+	setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING);
 	writel( ((RX_RING-1) << NVREG_RINGSZ_RXSHIFT) + ((TX_RING-1) << NVREG_RINGSZ_TXSHIFT),
 		base + NvRegRingSizes);
 
@@ -2265,6 +2642,7 @@ static int nv_open(struct net_device *dev)
 	writel(np->linkspeed, base + NvRegLinkSpeed);
 	writel(NVREG_UNKSETUP3_VAL1, base + NvRegUnknownSetupReg3);
 	writel(np->txrxctl_bits, base + NvRegTxRxControl);
+	writel(np->vlanctl_bits, base + NvRegVlanControl);
 	pci_push(base);
 	writel(NVREG_TXRXCTL_BIT1|np->txrxctl_bits, base + NvRegTxRxControl);
 	reg_delay(dev, NvRegUnknownSetupReg5, NVREG_UNKSETUP5_BIT31, NVREG_UNKSETUP5_BIT31,
@@ -2315,9 +2693,77 @@ static int nv_open(struct net_device *dev)
 	writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
 	pci_push(base);
 
-	ret = request_irq(dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev);
-	if (ret)
-		goto out_drain;
+	if (np->msi_flags & NV_MSI_X_CAPABLE) {
+		for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
+			np->msi_x_entry[i].entry = i;
+		}
+		if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
+			np->msi_flags |= NV_MSI_X_ENABLED;
+			if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
+				/* Request irq for rx handling */
+				if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
+					printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
+					pci_disable_msix(np->pci_dev);
+					np->msi_flags &= ~NV_MSI_X_ENABLED;
+					goto out_drain;
+				}
+				/* Request irq for tx handling */
+				if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
+					printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
+					pci_disable_msix(np->pci_dev);
+					np->msi_flags &= ~NV_MSI_X_ENABLED;
+					goto out_drain;
+				}
+				/* Request irq for link and timer handling */
+				if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
+					printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
+					pci_disable_msix(np->pci_dev);
+					np->msi_flags &= ~NV_MSI_X_ENABLED;
+					goto out_drain;
+				}
+
+				/* map interrupts to their respective vector */
+				writel(0, base + NvRegMSIXMap0);
+				writel(0, base + NvRegMSIXMap1);
+				set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
+				set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
+				set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
+			} else {
+				/* Request irq for all interrupts */
+				if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
+					printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
+					pci_disable_msix(np->pci_dev);
+					np->msi_flags &= ~NV_MSI_X_ENABLED;
+					goto out_drain;
+				}
+
+				/* map interrupts to vector 0 */
+				writel(0, base + NvRegMSIXMap0);
+				writel(0, base + NvRegMSIXMap1);
+			}
+		}
+	}
+	if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
+		if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
+			np->msi_flags |= NV_MSI_ENABLED;
+			if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
+				printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
+				pci_disable_msi(np->pci_dev);
+				np->msi_flags &= ~NV_MSI_ENABLED;
+				goto out_drain;
+			}
+
+			/* map interrupts to vector 0 */
+			writel(0, base + NvRegMSIMap0);
+			writel(0, base + NvRegMSIMap1);
+			/* enable msi vector 0 */
+			writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
+		}
+	}
+	if (ret != 0) {
+		if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
+			goto out_drain;
+	}
 
 	/* ask for interrupts */
 	writel(np->irqmask, base + NvRegIrqMask);
@@ -2364,6 +2810,7 @@ static int nv_close(struct net_device *dev)
 {
 	struct fe_priv *np = netdev_priv(dev);
 	u8 __iomem *base;
+	int i;
 
 	spin_lock_irq(&np->lock);
 	np->in_shutdown = 1;
@@ -2381,13 +2828,31 @@ static int nv_close(struct net_device *dev)
 
 	/* disable interrupts on the nic or we will lock up */
 	base = get_hwbase(dev);
-	writel(0, base + NvRegIrqMask);
+	if (np->msi_flags & NV_MSI_X_ENABLED) {
+		writel(np->irqmask, base + NvRegIrqMask);
+	} else {
+		if (np->msi_flags & NV_MSI_ENABLED)
+			writel(0, base + NvRegMSIIrqMask);
+		writel(0, base + NvRegIrqMask);
+	}
 	pci_push(base);
 	dprintk(KERN_INFO "%s: Irqmask is zero again\n", dev->name);
 
 	spin_unlock_irq(&np->lock);
 
-	free_irq(dev->irq, dev);
+	if (np->msi_flags & NV_MSI_X_ENABLED) {
+		for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
+			free_irq(np->msi_x_entry[i].vector, dev);
+		}
+		pci_disable_msix(np->pci_dev);
+		np->msi_flags &= ~NV_MSI_X_ENABLED;
+	} else {
+		free_irq(np->pci_dev->irq, dev);
+		if (np->msi_flags & NV_MSI_ENABLED) {
+			pci_disable_msi(np->pci_dev);
+			np->msi_flags &= ~NV_MSI_ENABLED;
+		}
+	}
 
 	drain_ring(dev);
 
@@ -2471,7 +2936,14 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
 			printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n",
 					pci_name(pci_dev));
 		} else {
-			dev->features |= NETIF_F_HIGHDMA;
+			if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
+				printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n",
+					pci_name(pci_dev));
+				goto out_relreg;
+			} else {
+				dev->features |= NETIF_F_HIGHDMA;
+				printk(KERN_INFO "forcedeth: using HIGHDMA\n");
+			}
 		}
 		np->txrxctl_bits = NVREG_TXRXCTL_DESC_3;
 	} else if (id->driver_data & DEV_HAS_LARGEDESC) {
@@ -2496,6 +2968,22 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
 #endif
  	}
 
+	np->vlanctl_bits = 0;
+	if (id->driver_data & DEV_HAS_VLAN) {
+		np->vlanctl_bits = NVREG_VLANCONTROL_ENABLE;
+		dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX;
+		dev->vlan_rx_register = nv_vlan_rx_register;
+		dev->vlan_rx_kill_vid = nv_vlan_rx_kill_vid;
+	}
+
+	np->msi_flags = 0;
+	if ((id->driver_data & DEV_HAS_MSI) && !disable_msi) {
+		np->msi_flags |= NV_MSI_CAPABLE;
+	}
+	if ((id->driver_data & DEV_HAS_MSI_X) && !disable_msix) {
+		np->msi_flags |= NV_MSI_X_CAPABLE;
+	}
+
 	err = -ENOMEM;
 	np->base = ioremap(addr, NV_PCI_REGSZ);
 	if (!np->base)
@@ -2578,10 +3066,15 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
 	} else {
 		np->tx_flags = NV_TX2_VALID;
 	}
-	if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT)
+	if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
 		np->irqmask = NVREG_IRQMASK_THROUGHPUT;
-	else
+		if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */
+			np->msi_flags |= 0x0003;
+	} else {
 		np->irqmask = NVREG_IRQMASK_CPU;
+		if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */
+			np->msi_flags |= 0x0001;
+	}
 
 	if (id->driver_data & DEV_NEED_TIMERIRQ)
 		np->irqmask |= NVREG_IRQ_TIMER;
@@ -2737,11 +3230,11 @@ static struct pci_device_id pci_tbl[] = {
 	},
 	{	/* MCP55 Ethernet Controller */
 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14),
-		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA,
+		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X,
 	},
 	{	/* MCP55 Ethernet Controller */
 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15),
-		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA,
+		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X,
 	},
 	{0,},
 };
@@ -2771,6 +3264,10 @@ module_param(optimization_mode, int, 0);
 MODULE_PARM_DESC(optimization_mode, "In throughput mode (0), every tx & rx packet will generate an interrupt. In CPU mode (1), interrupts are controlled by a timer.");
 module_param(poll_interval, int, 0);
 MODULE_PARM_DESC(poll_interval, "Interval determines how frequent timer interrupt is generated by [(time_in_micro_secs * 100) / (2^10)]. Min is 0 and Max is 65535.");
+module_param(disable_msi, int, 0);
+MODULE_PARM_DESC(disable_msi, "Disable MSI interrupts by setting to 1.");
+module_param(disable_msix, int, 0);
+MODULE_PARM_DESC(disable_msix, "Disable MSIX interrupts by setting to 1.");
 
 MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>");
 MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver");
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 062fb100d94c..afc4e88551ad 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -359,7 +359,7 @@ ccw_device_set_online(struct ccw_device *cdev)
 	else 
 		pr_debug("ccw_device_offline returned %d, device %s\n",
 			 ret, cdev->dev.bus_id);
-	return (ret = 0) ? -ENODEV : ret;
+	return (ret == 0) ? -ENODEV : ret;
 }
 
 static ssize_t
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index d2a5b04d7cba..85b1020a1fcc 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -405,7 +405,7 @@ __ccw_device_disband_start(struct ccw_device *cdev)
 		cdev->private->iretry = 5;
 		cdev->private->imask >>= 1;
 	}
-	ccw_device_verify_done(cdev, (sch->lpm != 0) ? 0 : -ENODEV);
+	ccw_device_disband_done(cdev, (sch->lpm != 0) ? 0 : -ENODEV);
 }
 
 /*
diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c
index dad4dd9887c9..6c762b43f921 100644
--- a/drivers/s390/cio/device_status.c
+++ b/drivers/s390/cio/device_status.c
@@ -317,7 +317,6 @@ ccw_device_do_sense(struct ccw_device *cdev, struct irb *irb)
 	/*
 	 * We have ending status but no sense information. Do a basic sense.
 	 */
-	sch = to_subchannel(cdev->dev.parent);
 	sch->sense_ccw.cmd_code = CCW_CMD_BASIC_SENSE;
 	sch->sense_ccw.cda = (__u32) __pa(cdev->private->irb.ecw);
 	sch->sense_ccw.count = SENSE_MAX_COUNT;
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 46c4cdbaee86..7ddd5a69352a 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -614,7 +614,7 @@ int ata_rwcmd_protocol(struct ata_queued_cmd *qc)
 	} else if (lba48 && (qc->ap->flags & ATA_FLAG_PIO_LBA48)) {
 		/* Unable to use DMA due to host limitation */
 		tf->protocol = ATA_PROT_PIO;
-		index = dev->multi_count ? 0 : 4;
+		index = dev->multi_count ? 0 : 8;
 	} else {
 		tf->protocol = ATA_PROT_DMA;
 		index = 16;
@@ -3357,11 +3357,12 @@ static void ata_pio_error(struct ata_port *ap)
 {
 	struct ata_queued_cmd *qc;
 
-	printk(KERN_WARNING "ata%u: PIO error\n", ap->id);
-
 	qc = ata_qc_from_tag(ap, ap->active_tag);
 	assert(qc != NULL);
 
+	if (qc->tf.command != ATA_CMD_PACKET)
+		printk(KERN_WARNING "ata%u: PIO error\n", ap->id);
+
 	/* make sure qc->err_mask is available to 
 	 * know what's wrong and recover
 	 */
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index 6fddf17a3b70..2770005324b4 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -997,6 +997,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
 	case ATA_CMD_READ_EXT:
 	case ATA_CMD_WRITE:
 	case ATA_CMD_WRITE_EXT:
+	case ATA_CMD_WRITE_FUA_EXT:
 		mv_crqb_pack_cmd(cw++, tf->hob_nsect, ATA_REG_NSECT, 0);
 		break;
 #ifdef LIBATA_NCQ		/* FIXME: remove this line when NCQ added */
diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c
index 2e2c3b7acb0c..e484e8db6810 100644
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -81,6 +81,19 @@
 /* Port stride */
 #define VSC_SATA_PORT_OFFSET		0x200
 
+/* Error interrupt status bit offsets */
+#define VSC_SATA_INT_ERROR_E_OFFSET	2
+#define VSC_SATA_INT_ERROR_P_OFFSET	4
+#define VSC_SATA_INT_ERROR_T_OFFSET	5
+#define VSC_SATA_INT_ERROR_M_OFFSET	1
+#define is_vsc_sata_int_err(port_idx, int_status) \
+	 (int_status & ((1 << (VSC_SATA_INT_ERROR_E_OFFSET + (8 * port_idx))) | \
+		        (1 << (VSC_SATA_INT_ERROR_P_OFFSET + (8 * port_idx))) | \
+		        (1 << (VSC_SATA_INT_ERROR_T_OFFSET + (8 * port_idx))) | \
+		        (1 << (VSC_SATA_INT_ERROR_M_OFFSET + (8 * port_idx)))   \
+		       )\
+ 	 )
+
 
 static u32 vsc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
 {
@@ -201,13 +214,28 @@ static irqreturn_t vsc_sata_interrupt (int irq, void *dev_instance,
 			struct ata_port *ap;
 
 			ap = host_set->ports[i];
+
+			if (is_vsc_sata_int_err(i, int_status)) {
+				u32 err_status;
+				printk(KERN_DEBUG "%s: ignoring interrupt(s)\n", __FUNCTION__);
+				err_status = ap ? vsc_sata_scr_read(ap, SCR_ERROR) : 0;
+				vsc_sata_scr_write(ap, SCR_ERROR, err_status);
+				handled++;
+			}
+
 			if (ap && !(ap->flags &
 				    (ATA_FLAG_PORT_DISABLED|ATA_FLAG_NOINTR))) {
 				struct ata_queued_cmd *qc;
 
 				qc = ata_qc_from_tag(ap, ap->active_tag);
-				if (qc && (!(qc->tf.ctl & ATA_NIEN)))
+				if (qc && (!(qc->tf.ctl & ATA_NIEN))) {
 					handled += ata_host_intr(ap, qc);
+				} else {
+					printk(KERN_DEBUG "%s: ignoring interrupt(s)\n", __FUNCTION__);
+					ata_chk_status(ap);
+					handled++;
+				}
+
 			}
 		}
 	}
diff --git a/fs/compat.c b/fs/compat.c
index a2ba78bdf7f7..5333c7d7427f 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1757,7 +1757,7 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
 			goto sticky;
 		rtv.tv_usec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ));
 		rtv.tv_sec = timeout;
-		if (compat_timeval_compare(&rtv, &tv) < 0)
+		if (compat_timeval_compare(&rtv, &tv) >= 0)
 			rtv = tv;
 		if (copy_to_user(tvp, &rtv, sizeof(rtv))) {
 sticky:
@@ -1834,7 +1834,7 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp,
 			rts.tv_sec++;
 			rts.tv_nsec -= NSEC_PER_SEC;
 		}
-		if (compat_timespec_compare(&rts, &ts) < 0)
+		if (compat_timespec_compare(&rts, &ts) >= 0)
 			rts = ts;
 		copy_to_user(tsp, &rts, sizeof(rts));
 	}
@@ -1934,7 +1934,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
 		rts.tv_nsec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)) *
 					1000;
 		rts.tv_sec = timeout;
-		if (compat_timespec_compare(&rts, &ts) < 0)
+		if (compat_timespec_compare(&rts, &ts) >= 0)
 			rts = ts;
 		if (copy_to_user(tsp, &rts, sizeof(rts))) {
 sticky:
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index a2ca3107d475..86ae8e93adb9 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -792,18 +792,20 @@ ext2_xattr_delete_inode(struct inode *inode)
 		ext2_free_blocks(inode, EXT2_I(inode)->i_file_acl, 1);
 		get_bh(bh);
 		bforget(bh);
+		unlock_buffer(bh);
 	} else {
 		HDR(bh)->h_refcount = cpu_to_le32(
 			le32_to_cpu(HDR(bh)->h_refcount) - 1);
 		if (ce)
 			mb_cache_entry_release(ce);
+		ea_bdebug(bh, "refcount now=%d",
+			le32_to_cpu(HDR(bh)->h_refcount));
+		unlock_buffer(bh);
 		mark_buffer_dirty(bh);
 		if (IS_SYNC(inode))
 			sync_dirty_buffer(bh);
 		DQUOT_FREE_BLOCK(inode, 1);
 	}
-	ea_bdebug(bh, "refcount now=%d", le32_to_cpu(HDR(bh)->h_refcount) - 1);
-	unlock_buffer(bh);
 	EXT2_I(inode)->i_file_acl = 0;
 
 cleanup:
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index f556a0d5c0d3..0c9a2ee54c91 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -66,6 +66,12 @@ static void restore_sigs(sigset_t *oldset)
 	sigprocmask(SIG_SETMASK, oldset, NULL);
 }
 
+/*
+ * Reset request, so that it can be reused
+ *
+ * The caller must be _very_ careful to make sure, that it is holding
+ * the only reference to req
+ */
 void fuse_reset_request(struct fuse_req *req)
 {
 	int preallocated = req->preallocated;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 296351615b00..6f05379b0a0d 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -116,9 +116,14 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir)
 /* Special case for failed iget in CREATE */
 static void fuse_release_end(struct fuse_conn *fc, struct fuse_req *req)
 {
-	u64 nodeid = req->in.h.nodeid;
-	fuse_reset_request(req);
-	fuse_send_forget(fc, req, nodeid, 1);
+	/* If called from end_io_requests(), req has more than one
+	   reference and fuse_reset_request() cannot work */
+	if (fc->connected) {
+		u64 nodeid = req->in.h.nodeid;
+		fuse_reset_request(req);
+		fuse_send_forget(fc, req, nodeid, 1);
+	} else
+		fuse_put_request(fc, req);
 }
 
 void fuse_send_release(struct fuse_conn *fc, struct fuse_file *ff,
diff --git a/fs/select.c b/fs/select.c
index 6ce68a9c8976..1815a57d2255 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -404,7 +404,7 @@ asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
 			goto sticky;
 		rtv.tv_usec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ));
 		rtv.tv_sec = timeout;
-		if (timeval_compare(&rtv, &tv) < 0)
+		if (timeval_compare(&rtv, &tv) >= 0)
 			rtv = tv;
 		if (copy_to_user(tvp, &rtv, sizeof(rtv))) {
 sticky:
@@ -471,7 +471,7 @@ asmlinkage long sys_pselect7(int n, fd_set __user *inp, fd_set __user *outp,
 		rts.tv_nsec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)) *
 						1000;
 		rts.tv_sec = timeout;
-		if (timespec_compare(&rts, &ts) < 0)
+		if (timespec_compare(&rts, &ts) >= 0)
 			rts = ts;
 		if (copy_to_user(tsp, &rts, sizeof(rts))) {
 sticky:
@@ -775,7 +775,7 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
 		rts.tv_nsec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)) *
 						1000;
 		rts.tv_sec = timeout;
-		if (timespec_compare(&rts, &ts) < 0)
+		if (timespec_compare(&rts, &ts) >= 0)
 			rts = ts;
 		if (copy_to_user(tsp, &rts, sizeof(rts))) {
 		sticky:
diff --git a/include/asm-powerpc/pgalloc.h b/include/asm-powerpc/pgalloc.h
index 9f5b052784a5..a00ee002cd11 100644
--- a/include/asm-powerpc/pgalloc.h
+++ b/include/asm-powerpc/pgalloc.h
@@ -146,7 +146,7 @@ extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf);
 	pgtable_free_tlb(tlb, pgtable_free_cache(pmd, \
 		PMD_CACHE_NUM, PMD_TABLE_SIZE-1))
 #ifndef CONFIG_PPC_64K_PAGES
-#define __pud_free_tlb(tlb, pmd)	\
+#define __pud_free_tlb(tlb, pud)	\
 	pgtable_free_tlb(tlb, pgtable_free_cache(pud, \
 		PUD_CACHE_NUM, PUD_TABLE_SIZE-1))
 #endif /* CONFIG_PPC_64K_PAGES */
diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h
index 9c6e9c300eb9..444dae5912e6 100644
--- a/include/asm-s390/smp.h
+++ b/include/asm-s390/smp.h
@@ -31,6 +31,7 @@ typedef struct
 	__u16      cpu;
 } sigp_info;
 
+extern void smp_setup_cpu_possible_map(void);
 extern int smp_call_function_on(void (*func) (void *info), void *info,
 				int nonatomic, int wait, int cpu);
 #define NO_PROC_ID		0xFF		/* No processor magic marker */
@@ -104,6 +105,7 @@ smp_call_function_on(void (*func) (void *info), void *info,
 #define smp_cpu_not_running(cpu)	1
 #define smp_get_cpu(cpu) ({ 0; })
 #define smp_put_cpu(cpu) ({ 0; })
+#define smp_setup_cpu_possible_map()
 #endif
 
 #endif
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 4e90905f0e87..2d9d08f72f76 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -153,13 +153,11 @@ static int swsusp_swap_check(void) /* This is called before saving image */
 {
 	int i;
 
-	if (!swsusp_resume_device)
-		return -ENODEV;
 	spin_lock(&swap_lock);
 	for (i = 0; i < MAX_SWAPFILES; i++) {
 		if (!(swap_info[i].flags & SWP_WRITEOK))
 			continue;
-		if (is_resume_device(swap_info + i)) {
+		if (!swsusp_resume_device || is_resume_device(swap_info + i)) {
 			spin_unlock(&swap_lock);
 			root_swap = i;
 			return 0;
diff --git a/kernel/sched.c b/kernel/sched.c
index 66d957227de9..12d291bf3379 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5058,7 +5058,18 @@ static void init_sched_build_groups(struct sched_group groups[], cpumask_t span,
 #define MAX_DOMAIN_DISTANCE 32
 
 static unsigned long long migration_cost[MAX_DOMAIN_DISTANCE] =
-		{ [ 0 ... MAX_DOMAIN_DISTANCE-1 ] = -1LL };
+		{ [ 0 ... MAX_DOMAIN_DISTANCE-1 ] =
+/*
+ * Architectures may override the migration cost and thus avoid
+ * boot-time calibration. Unit is nanoseconds. Mostly useful for
+ * virtualized hardware:
+ */
+#ifdef CONFIG_DEFAULT_MIGRATION_COST
+			CONFIG_DEFAULT_MIGRATION_COST
+#else
+			-1LL
+#endif
+};
 
 /*
  * Allow override of migration cost - in units of microseconds.
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 323fdcf128c4..bedfa4f09c80 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -808,6 +808,8 @@ static int get_nodes(nodemask_t *nodes, const unsigned long __user *nmask,
 	nodes_clear(*nodes);
 	if (maxnode == 0 || !nmask)
 		return 0;
+	if (maxnode > PAGE_SIZE)
+		return -EINVAL;
 
 	nlongs = BITS_TO_LONGS(maxnode);
 	if ((maxnode % BITS_PER_LONG) == 0)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 62c122528587..208812b25597 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1541,29 +1541,29 @@ static int __initdata node_load[MAX_NUMNODES];
  */
 static int __init find_next_best_node(int node, nodemask_t *used_node_mask)
 {
-	int i, n, val;
+	int n, val;
 	int min_val = INT_MAX;
 	int best_node = -1;
 
-	for_each_online_node(i) {
-		cpumask_t tmp;
+	/* Use the local node if we haven't already */
+	if (!node_isset(node, *used_node_mask)) {
+		node_set(node, *used_node_mask);
+		return node;
+	}
 
-		/* Start from local node */
-		n = (node+i) % num_online_nodes();
+	for_each_online_node(n) {
+		cpumask_t tmp;
 
 		/* Don't want a node to appear more than once */
 		if (node_isset(n, *used_node_mask))
 			continue;
 
-		/* Use the local node if we haven't already */
-		if (!node_isset(node, *used_node_mask)) {
-			best_node = node;
-			break;
-		}
-
 		/* Use the distance array to find the distance */
 		val = node_distance(node, n);
 
+		/* Penalize nodes under us ("prefer the next node") */
+		val += (n < node);
+
 		/* Give preference to headless and unused nodes */
 		tmp = node_to_cpumask(n);
 		if (!cpus_empty(tmp))