diff --git a/[refs] b/[refs] index 248274053218..d03ad441100c 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: ac935cb533b89a69e18ad175656910848ea0d79e +refs/heads/master: 87b4b6634ac112ddfe7b92aae50eb4bf7b128d1a diff --git a/trunk/arch/x86/kernel/io_apic_32.c b/trunk/arch/x86/kernel/io_apic_32.c index a6b1490e00c4..c3a565bba106 100644 --- a/trunk/arch/x86/kernel/io_apic_32.c +++ b/trunk/arch/x86/kernel/io_apic_32.c @@ -2169,10 +2169,14 @@ static inline void __init check_timer(void) { int apic1, pin1, apic2, pin2; int vector; + unsigned int ver; unsigned long flags; local_irq_save(flags); + ver = apic_read(APIC_LVR); + ver = GET_APIC_VERSION(ver); + /* * get/set the timer IRQ vector: */ @@ -2185,11 +2189,15 @@ static inline void __init check_timer(void) * mode for the 8259A whenever interrupts are routed * through I/O APICs. Also IRQ0 has to be enabled in * the 8259A which implies the virtual wire has to be - * disabled in the local APIC. + * disabled in the local APIC. Finally timer interrupts + * need to be acknowledged manually in the 8259A for + * timer_interrupt() and for the i82489DX when using + * the NMI watchdog. */ apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); init_8259A(1); - timer_ack = 1; + timer_ack = !cpu_has_tsc; + timer_ack |= (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver)); if (timer_over_8254 > 0) enable_8259A_irq(0); diff --git a/trunk/arch/x86/kernel/nmi_32.c b/trunk/arch/x86/kernel/nmi_32.c index 852db2906921..80ca72e5ac29 100644 --- a/trunk/arch/x86/kernel/nmi_32.c +++ b/trunk/arch/x86/kernel/nmi_32.c @@ -25,6 +25,7 @@ #include #include +#include #include "mach_traps.h" @@ -83,7 +84,7 @@ static int __init check_nmi_watchdog(void) prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL); if (!prev_nmi_count) - return -1; + goto error; printk(KERN_INFO "Testing NMI watchdog ... "); @@ -118,7 +119,7 @@ static int __init check_nmi_watchdog(void) if (!atomic_read(&nmi_active)) { kfree(prev_nmi_count); atomic_set(&nmi_active, -1); - return -1; + goto error; } printk("OK.\n"); @@ -129,6 +130,10 @@ static int __init check_nmi_watchdog(void) kfree(prev_nmi_count); return 0; +error: + timer_ack = !cpu_has_tsc; + + return -1; } /* This needs to happen later in boot so counters are working */ late_initcall(check_nmi_watchdog); diff --git a/trunk/drivers/hwmon/it87.c b/trunk/drivers/hwmon/it87.c index 6a182e14cf58..ad6c8a319903 100644 --- a/trunk/drivers/hwmon/it87.c +++ b/trunk/drivers/hwmon/it87.c @@ -2,6 +2,14 @@ it87.c - Part of lm_sensors, Linux kernel modules for hardware monitoring. + The IT8705F is an LPC-based Super I/O part that contains UARTs, a + parallel port, an IR port, a MIDI port, a floppy controller, etc., in + addition to an Environment Controller (Enhanced Hardware Monitor and + Fan Controller) + + This driver supports only the Environment Controller in the IT8705F and + similar parts. The other devices are supported by different drivers. + Supports: IT8705F Super I/O chip w/LPC interface IT8712F Super I/O chip w/LPC interface IT8716F Super I/O chip w/LPC interface @@ -118,9 +126,15 @@ static int fix_pwm_polarity; /* Length of ISA address segment */ #define IT87_EXTENT 8 -/* Where are the ISA address/data registers relative to the base address */ -#define IT87_ADDR_REG_OFFSET 5 -#define IT87_DATA_REG_OFFSET 6 +/* Length of ISA address segment for Environmental Controller */ +#define IT87_EC_EXTENT 2 + +/* Offset of EC registers from ISA base address */ +#define IT87_EC_OFFSET 5 + +/* Where are the ISA address/data registers relative to the EC base address */ +#define IT87_ADDR_REG_OFFSET 0 +#define IT87_DATA_REG_OFFSET 1 /*----- The IT87 registers -----*/ @@ -968,10 +982,10 @@ static int __devinit it87_probe(struct platform_device *pdev) }; res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (!request_region(res->start, IT87_EXTENT, DRVNAME)) { + if (!request_region(res->start, IT87_EC_EXTENT, DRVNAME)) { dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", (unsigned long)res->start, - (unsigned long)(res->start + IT87_EXTENT - 1)); + (unsigned long)(res->start + IT87_EC_EXTENT - 1)); err = -EBUSY; goto ERROR0; } @@ -1124,7 +1138,7 @@ static int __devinit it87_probe(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); kfree(data); ERROR1: - release_region(res->start, IT87_EXTENT); + release_region(res->start, IT87_EC_EXTENT); ERROR0: return err; } @@ -1137,7 +1151,7 @@ static int __devexit it87_remove(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &it87_group); sysfs_remove_group(&pdev->dev.kobj, &it87_group_opt); - release_region(data->addr, IT87_EXTENT); + release_region(data->addr, IT87_EC_EXTENT); platform_set_drvdata(pdev, NULL); kfree(data); @@ -1402,8 +1416,8 @@ static int __init it87_device_add(unsigned short address, const struct it87_sio_data *sio_data) { struct resource res = { - .start = address , - .end = address + IT87_EXTENT - 1, + .start = address + IT87_EC_OFFSET, + .end = address + IT87_EC_OFFSET + IT87_EC_EXTENT - 1, .name = DRVNAME, .flags = IORESOURCE_IO, }; diff --git a/trunk/drivers/w1/slaves/w1_therm.c b/trunk/drivers/w1/slaves/w1_therm.c index 112f4ec59035..4318935678c5 100644 --- a/trunk/drivers/w1/slaves/w1_therm.c +++ b/trunk/drivers/w1/slaves/w1_therm.c @@ -112,7 +112,7 @@ static struct w1_therm_family_converter w1_therm_families[] = { static inline int w1_DS18B20_convert_temp(u8 rom[9]) { - s16 t = (rom[1] << 8) | rom[0]; + int t = (rom[1] << 8) | rom[0]; t /= 16; return t; } @@ -204,7 +204,7 @@ static ssize_t w1_therm_read_bin(struct kobject *kobj, crc = w1_calc_crc8(rom, 8); - if (rom[8] == crc) + if (rom[8] == crc && rom[0]) verdict = 1; } } diff --git a/trunk/kernel/rcupdate.c b/trunk/kernel/rcupdate.c index f2c1a04e9b18..a66d4d1615f7 100644 --- a/trunk/kernel/rcupdate.c +++ b/trunk/kernel/rcupdate.c @@ -549,7 +549,7 @@ static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp, rdp->blimit = blimit; } -static void __cpuinit rcu_online_cpu(int cpu) +static void __devinit rcu_online_cpu(int cpu) { struct rcu_data *rdp = &per_cpu(rcu_data, cpu); struct rcu_data *bh_rdp = &per_cpu(rcu_bh_data, cpu); diff --git a/trunk/kernel/sched.c b/trunk/kernel/sched.c index e76b11ca6df3..37cf07aa4164 100644 --- a/trunk/kernel/sched.c +++ b/trunk/kernel/sched.c @@ -7153,14 +7153,6 @@ int sched_group_set_shares(struct task_group *tg, unsigned long shares) { int i; - /* - * A weight of 0 or 1 can cause arithmetics problems. - * (The default weight is 1024 - so there's no practical - * limitation from this.) - */ - if (shares < 2) - shares = 2; - spin_lock(&tg->lock); if (tg->shares == shares) goto done;