---

yaml --- r: 74670 b: refs/heads/master c: f7a5274 h: refs/heads/master v: v3
git-mirror · Dec 6, 2007 · bd445c2 · bd445c2
1 parent 9e83391
commit bd445c2
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Showing 101 changed files with 1,130 additions and 806 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 74d0f3338fbb3c69894968df1fedaf10c88cd0e4
+refs/heads/master: f7a5274d7dde0022dedfb6bca5b4438bbf30e9ce
diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
@@ -2598,13 +2598,6 @@ L:	https://tango.0pointer.de/mailman/listinfo/s270-linux
 W:	http://0pointer.de/lennart/tchibo.html
 S:	Maintained
 
-MTRR AND SIMILAR SUPPORT [i386]
-P:	Richard Gooch
-M:	rgooch@atnf.csiro.au
-L:	linux-kernel@vger.kernel.org
-W:	http://www.atnf.csiro.au/~rgooch/linux/kernel-patches.html
-S:	Maintained
-
 MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND SDIO SUBSYSTEM
 P:	Pierre Ossman
 M:	drzeus-mmc@drzeus.cx

diff --git a/trunk/arch/mips/Kconfig b/trunk/arch/mips/Kconfig
@@ -714,6 +714,10 @@ config ARCH_HAS_ILOG2_U64
 	bool
 	default n
 
+config ARCH_SUPPORTS_OPROFILE
+	bool
+	default y if !MIPS_MT_SMTC
+
 config GENERIC_FIND_NEXT_BIT
 	bool
 	default y

diff --git a/trunk/arch/mips/au1000/common/dbdma.c b/trunk/arch/mips/au1000/common/dbdma.c
@@ -859,7 +859,7 @@ dbdma_interrupt(int irq, void *dev_id)
 
 	intstat = dbdma_gptr->ddma_intstat;
 	au_sync();
-	chan_index = ffs(intstat);
+	chan_index = __ffs(intstat);
 
 	ctp = chan_tab_ptr[chan_index];
 	cp = ctp->chan_ptr;

diff --git a/trunk/arch/mips/au1000/common/irq.c b/trunk/arch/mips/au1000/common/irq.c
@@ -462,9 +462,9 @@ static void intc0_req0_irqdispatch(void)
 		return;
 	}
 #endif
-	bit = ffs(intc0_req0);
+	bit = __ffs(intc0_req0);
 	intc0_req0 &= ~(1 << bit);
-	do_IRQ(MIPS_CPU_IRQ_BASE + bit);
+	do_IRQ(AU1000_INTC0_INT_BASE + bit);
 }
 
 
@@ -478,9 +478,9 @@ static void intc0_req1_irqdispatch(void)
 	if (!intc0_req1)
 		return;
 
-	bit = ffs(intc0_req1);
+	bit = __ffs(intc0_req1);
 	intc0_req1 &= ~(1 << bit);
-	do_IRQ(bit);
+	do_IRQ(AU1000_INTC0_INT_BASE + bit);
 }
 
 
@@ -498,9 +498,9 @@ static void intc1_req0_irqdispatch(void)
 	if (!intc1_req0)
 		return;
 
-	bit = ffs(intc1_req0);
+	bit = __ffs(intc1_req0);
 	intc1_req0 &= ~(1 << bit);
-	do_IRQ(MIPS_CPU_IRQ_BASE + 32 + bit);
+	do_IRQ(AU1000_INTC1_INT_BASE + bit);
 }
 
 
@@ -514,9 +514,9 @@ static void intc1_req1_irqdispatch(void)
 	if (!intc1_req1)
 		return;
 
-	bit = ffs(intc1_req1);
+	bit = __ffs(intc1_req1);
 	intc1_req1 &= ~(1 << bit);
-	do_IRQ(MIPS_CPU_IRQ_BASE + 32 + bit);
+	do_IRQ(AU1000_INTC1_INT_BASE + bit);
 }
 
 asmlinkage void plat_irq_dispatch(void)

diff --git a/trunk/arch/mips/au1000/pb1200/irqmap.c b/trunk/arch/mips/au1000/pb1200/irqmap.c
@@ -74,7 +74,7 @@ irqreturn_t pb1200_cascade_handler( int irq, void *dev_id)
 	bcsr->int_status = bisr;
 	for( ; bisr; bisr &= (bisr-1) )
 	{
-		extirq_nr = PB1200_INT_BEGIN + ffs(bisr);
+		extirq_nr = PB1200_INT_BEGIN + __ffs(bisr);
 		/* Ack and dispatch IRQ */
 		do_IRQ(extirq_nr);
 	}

diff --git a/trunk/arch/mips/oprofile/op_model_mipsxx.c b/trunk/arch/mips/oprofile/op_model_mipsxx.c
@@ -6,6 +6,7 @@
  * Copyright (C) 2004, 05, 06 by Ralf Baechle
  * Copyright (C) 2005 by MIPS Technologies, Inc.
  */
+#include <linux/cpumask.h>
 #include <linux/oprofile.h>
 #include <linux/interrupt.h>
 #include <linux/smp.h>
@@ -33,11 +34,45 @@
 #ifdef CONFIG_MIPS_MT_SMP
 #define WHAT		(M_TC_EN_VPE | M_PERFCTL_VPEID(smp_processor_id()))
 #define vpe_id()	smp_processor_id()
+
+/*
+ * The number of bits to shift to convert between counters per core and
+ * counters per VPE.  There is no reasonable interface atm to obtain the
+ * number of VPEs used by Linux and in the 34K this number is fixed to two
+ * anyways so we hardcore a few things here for the moment.  The way it's
+ * done here will ensure that oprofile VSMP kernel will run right on a lesser
+ * core like a 24K also or with maxcpus=1.
+ */
+static inline unsigned int vpe_shift(void)
+{
+	if (num_possible_cpus() > 1)
+		return 1;
+
+	return 0;
+}
+
 #else
+
 #define WHAT		0
 #define vpe_id()	0
+
+static inline unsigned int vpe_shift(void)
+{
+	return 0;
+}
+
 #endif
 
+static inline unsigned int counters_total_to_per_cpu(unsigned int counters)
+{
+	return counters >> vpe_shift();
+}
+
+static inline unsigned int counters_per_cpu_to_total(unsigned int counters)
+{
+	return counters << vpe_shift();
+}
+
 #define __define_perf_accessors(r, n, np)				\
 									\
 static inline unsigned int r_c0_ ## r ## n(void)			\
@@ -269,9 +304,7 @@ static int __init mipsxx_init(void)
 
 	reset_counters(counters);
 
-#ifdef CONFIG_MIPS_MT_SMP
-	counters >>= 1;
-#endif
+	counters = counters_total_to_per_cpu(counters);
 
 	op_model_mipsxx_ops.num_counters = counters;
 	switch (current_cpu_type()) {
@@ -330,9 +363,8 @@ static int __init mipsxx_init(void)
 static void mipsxx_exit(void)
 {
 	int counters = op_model_mipsxx_ops.num_counters;
-#ifdef CONFIG_MIPS_MT_SMP
-	counters <<= 1;
-#endif
+
+	counters = counters_per_cpu_to_total(counters);
 	reset_counters(counters);
 
 	perf_irq = null_perf_irq;

diff --git a/trunk/arch/mips/pci/pci-bcm1480.c b/trunk/arch/mips/pci/pci-bcm1480.c
@@ -76,7 +76,10 @@ static inline void WRITECFG32(u32 addr, u32 data)
 
 int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
-	return K_BCM1480_INT_PCI_INTA + pin;
+	if (pin == 0)
+		return -1;
+
+	return K_BCM1480_INT_PCI_INTA - 1 + pin;
 }
 
 /* Do platform specific device initialization at pci_enable_device() time */

diff --git a/trunk/arch/s390/kernel/entry.S b/trunk/arch/s390/kernel/entry.S
@@ -1079,8 +1079,10 @@ cleanup_io_leave_insn:
 .Lexecve_tail:	.long	execve_tail
 .Ljump_table:	.long	pgm_check_table
 .Lschedule:	.long	schedule
+#ifdef CONFIG_PREEMPT
 .Lpreempt_schedule_irq:
 		.long	preempt_schedule_irq
+#endif
 .Ltrace:	.long	syscall_trace
 .Lschedtail:	.long	schedule_tail
 .Lsysc_table:	.long	sys_call_table

diff --git a/trunk/arch/s390/kernel/setup.c b/trunk/arch/s390/kernel/setup.c
@@ -486,9 +486,7 @@ static void setup_addressing_mode(void)
 	if (s390_noexec) {
 		printk("S390 execute protection active, ");
 		set_amode_and_uaccess(PSW_ASC_SECONDARY, PSW32_ASC_SECONDARY);
-		return;
-	}
-	if (switch_amode) {
+	} else if (switch_amode) {
 		printk("S390 address spaces switched, ");
 		set_amode_and_uaccess(PSW_ASC_PRIMARY, PSW32_ASC_PRIMARY);
 	}

diff --git a/trunk/arch/sparc/kernel/devices.c b/trunk/arch/sparc/kernel/devices.c
@@ -62,8 +62,10 @@ static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg,
 		int err = check_cpu_node(dp->node, &cur_inst,
 					 compare, compare_arg,
 					 prom_node, mid);
-		if (!err)
+		if (!err) {
+			of_node_put(dp);
 			return 0;
+		}
 	}
 
 	return -ENODEV;

diff --git a/trunk/arch/sparc/kernel/pcic.c b/trunk/arch/sparc/kernel/pcic.c
@@ -329,7 +329,7 @@ int __init pcic_probe(void)
 	pcic->pcic_res_cfg_addr.name = "pcic_cfg_addr";
 	if ((pcic->pcic_config_space_addr =
 	    ioremap(regs[2].phys_addr, regs[2].reg_size * 2)) == 0) {
-		prom_printf("PCIC: Error, cannot map" 
+		prom_printf("PCIC: Error, cannot map "
 			    "PCI Configuration Space Address.\n");
 		prom_halt();
 	}
@@ -341,7 +341,7 @@ int __init pcic_probe(void)
 	pcic->pcic_res_cfg_data.name = "pcic_cfg_data";
 	if ((pcic->pcic_config_space_data =
 	    ioremap(regs[3].phys_addr, regs[3].reg_size * 2)) == 0) {
-		prom_printf("PCIC: Error, cannot map" 
+		prom_printf("PCIC: Error, cannot map "
 			    "PCI Configuration Space Data.\n");
 		prom_halt();
 	}
@@ -518,8 +518,8 @@ static void pcic_map_pci_device(struct linux_pcic *pcic,
 				 * board in a PCI slot. We must remap it
 				 * under 64K but it is not done yet. XXX
 				 */
-				printk("PCIC: Skipping I/O space at 0x%lx,"
-				    "this will Oops if a driver attaches;"
+				printk("PCIC: Skipping I/O space at 0x%lx, "
+				    "this will Oops if a driver attaches "
 				    "device '%s' at %02x:%02x)\n", address,
 				    namebuf, dev->bus->number, dev->devfn);
 			}

diff --git a/trunk/arch/sparc64/defconfig b/trunk/arch/sparc64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.24-rc1
-# Wed Oct 31 15:36:47 2007
+# Linux kernel version: 2.6.24-rc4
+# Tue Dec  4 00:37:59 2007
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
@@ -47,6 +47,7 @@ CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=18
@@ -154,6 +155,7 @@ CONFIG_PCI_DOMAINS=y
 CONFIG_PCI_SYSCALL=y
 CONFIG_ARCH_SUPPORTS_MSI=y
 CONFIG_PCI_MSI=y
+# CONFIG_PCI_LEGACY is not set
 # CONFIG_PCI_DEBUG is not set
 CONFIG_SUN_OPENPROMFS=m
 CONFIG_SPARC32_COMPAT=y
@@ -359,7 +361,6 @@ CONFIG_IDE_GENERIC=y
 CONFIG_BLK_DEV_IDEPCI=y
 # CONFIG_IDEPCI_SHARE_IRQ is not set
 CONFIG_IDEPCI_PCIBUS_ORDER=y
-# CONFIG_BLK_DEV_OFFBOARD is not set
 # CONFIG_BLK_DEV_GENERIC is not set
 # CONFIG_BLK_DEV_OPTI621 is not set
 CONFIG_BLK_DEV_IDEDMA_PCI=y
@@ -584,7 +585,6 @@ CONFIG_NIU=m
 # CONFIG_USB_KAWETH is not set
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
-# CONFIG_USB_USBNET_MII is not set
 # CONFIG_USB_USBNET is not set
 # CONFIG_WAN is not set
 # CONFIG_FDDI is not set
@@ -780,6 +780,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADT7470 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_I5K_AMB is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
 # CONFIG_SENSORS_F75375S is not set

diff --git a/trunk/arch/sparc64/kernel/isa.c b/trunk/arch/sparc64/kernel/isa.c
@@ -155,6 +155,7 @@ void __init isa_init(void)
 		isa_br = kzalloc(sizeof(*isa_br), GFP_KERNEL);
 		if (!isa_br) {
 			printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge");
+			pci_dev_put(pdev);
 			return;
 		}
 
@@ -168,6 +169,7 @@ void __init isa_init(void)
 			printk(KERN_DEBUG "isa: device registration error for %s!\n",
 			       dp->path_component_name);
 			kfree(isa_br);
+			pci_dev_put(pdev);
 			return;
 		}
 

diff --git a/trunk/arch/sparc64/kernel/ldc.c b/trunk/arch/sparc64/kernel/ldc.c
@@ -2338,36 +2338,41 @@ static int __init ldc_init(void)
 	unsigned long major, minor;
 	struct mdesc_handle *hp;
 	const u64 *v;
+	int err;
 	u64 mp;
 
 	hp = mdesc_grab();
 	if (!hp)
 		return -ENODEV;
 
 	mp = mdesc_node_by_name(hp, MDESC_NODE_NULL, "platform");
+	err = -ENODEV;
 	if (mp == MDESC_NODE_NULL)
-		return -ENODEV;
+		goto out;
 
 	v = mdesc_get_property(hp, mp, "domaining-enabled", NULL);
 	if (!v)
-		return -ENODEV;
+		goto out;
 
 	major = 1;
 	minor = 0;
 	if (sun4v_hvapi_register(HV_GRP_LDOM, major, &minor)) {
 		printk(KERN_INFO PFX "Could not register LDOM hvapi.\n");
-		return -ENODEV;
+		goto out;
 	}
 
 	printk(KERN_INFO "%s", version);
 
 	if (!*v) {
 		printk(KERN_INFO PFX "Domaining disabled.\n");
-		return -ENODEV;
+		goto out;
 	}
 	ldom_domaining_enabled = 1;
+	err = 0;
 
-	return 0;
+out:
+	mdesc_release(hp);
+	return err;
 }
 
 core_initcall(ldc_init);
diff --git a/trunk/arch/sparc64/kernel/pci_sun4v.c b/trunk/arch/sparc64/kernel/pci_sun4v.c
@@ -1022,6 +1022,10 @@ void __init sun4v_pci_init(struct device_node *dp, char *model_name)
 	}
 
 	prop = of_find_property(dp, "reg", NULL);
+	if (!prop) {
+		prom_printf("SUN4V_PCI: Could not find config registers\n");
+		prom_halt();
+	}
 	regs = prop->value;
 
 	devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff;

diff --git a/trunk/arch/sparc64/kernel/smp.c b/trunk/arch/sparc64/kernel/smp.c
@@ -236,8 +236,9 @@ void smp_synchronize_tick_client(void)
 		       t[i].rt, t[i].master, t[i].diff, t[i].lat);
 #endif
 
-	printk(KERN_INFO "CPU %d: synchronized TICK with master CPU (last diff %ld cycles,"
-	       "maxerr %lu cycles)\n", smp_processor_id(), delta, rt);
+	printk(KERN_INFO "CPU %d: synchronized TICK with master CPU "
+	       "(last diff %ld cycles, maxerr %lu cycles)\n",
+	       smp_processor_id(), delta, rt);
 }
 
 static void smp_start_sync_tick_client(int cpu);

diff --git a/trunk/arch/um/Makefile-i386 b/trunk/arch/um/Makefile-i386
@@ -22,11 +22,6 @@ export LDFLAGS HOSTCFLAGS HOSTLDFLAGS UML_OBJCOPYFLAGS
 endif
 endif
 
-KBUILD_CFLAGS		+= -DCONFIG_X86_32
-KBUILD_AFLAGS		+= -DCONFIG_X86_32
-CONFIG_X86_32		:= y
-export CONFIG_X86_32
-
 # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
 include $(srctree)/arch/x86/Makefile_32.cpu