Merge git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
parisc: export length of os_hpmc vector
parisc: fix kernel crash (protection id trap) when compiling ruby1.9
parisc: Use DEFINE_SPINLOCK
parisc: add uevent helper for parisc bus
parisc: fix ipv6 checksum
parisc: quiet palo not-found message from "which"
parisc: Replace NR_CPUS in parisc code
parisc: trivial fixes
parisc: fix braino in commit adding __space_to_prot
parisc: factor out sid to protid conversion
parisc: use leX_to_cpu in place of __fswabX
parisc: fix GFP_KERNEL use while atomic in unwinder
parisc: remove dead BIO_VMERGE_BOUNDARY and BIO_VMERGE_MAX_SIZE definitions
parisc: set_time() catch errors
parisc: use the new byteorder headers
parisc: drivers/parisc/: make code static
parisc: lib/: make code static
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 5ddad7b..0d42827 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -77,7 +77,7 @@
drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/
-PALO := $(shell if which palo; then : ; \
+PALO := $(shell if (which palo 2>&1); then : ; \
elif [ -x /sbin/palo ]; then echo /sbin/palo; \
fi)
diff --git a/arch/parisc/include/asm/byteorder.h b/arch/parisc/include/asm/byteorder.h
index db14831..83095c5 100644
--- a/arch/parisc/include/asm/byteorder.h
+++ b/arch/parisc/include/asm/byteorder.h
@@ -4,9 +4,10 @@
#include <asm/types.h>
#include <linux/compiler.h>
-#ifdef __GNUC__
+#define __BIG_ENDIAN
+#define __SWAB_64_THRU_32__
-static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
__asm__("dep %0, 15, 8, %0\n\t" /* deposit 00ab -> 0bab */
"shd %%r0, %0, 8, %0" /* shift 000000ab -> 00ba */
@@ -14,8 +15,9 @@
: "0" (x));
return x;
}
+#define __arch_swab16 __arch_swab16
-static __inline__ __attribute_const__ __u32 ___arch__swab24(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab24(__u32 x)
{
__asm__("shd %0, %0, 8, %0\n\t" /* shift xabcxabc -> cxab */
"dep %0, 15, 8, %0\n\t" /* deposit cxab -> cbab */
@@ -25,7 +27,7 @@
return x;
}
-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
unsigned int temp;
__asm__("shd %0, %0, 16, %1\n\t" /* shift abcdabcd -> cdab */
@@ -35,7 +37,7 @@
: "0" (x));
return x;
}
-
+#define __arch_swab32 __arch_swab32
#if BITS_PER_LONG > 32
/*
@@ -48,7 +50,8 @@
** HSHR 67452301 -> *6*4*2*0 into %0
** OR %0 | %1 -> 76543210 into %0 (all done!)
*/
-static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x) {
+static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
+{
__u64 temp;
__asm__("permh,3210 %0, %0\n\t"
"hshl %0, 8, %1\n\t"
@@ -58,25 +61,9 @@
: "0" (x));
return x;
}
-#define __arch__swab64(x) ___arch__swab64(x)
-#define __BYTEORDER_HAS_U64__
-#elif !defined(__STRICT_ANSI__)
-static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
-{
- __u32 t1 = ___arch__swab32((__u32) x);
- __u32 t2 = ___arch__swab32((__u32) (x >> 32));
- return (((__u64) t1 << 32) | t2);
-}
-#define __arch__swab64(x) ___arch__swab64(x)
-#define __BYTEORDER_HAS_U64__
-#endif
+#define __arch_swab64 __arch_swab64
+#endif /* BITS_PER_LONG > 32 */
-#define __arch__swab16(x) ___arch__swab16(x)
-#define __arch__swab24(x) ___arch__swab24(x)
-#define __arch__swab32(x) ___arch__swab32(x)
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>
#endif /* _PARISC_BYTEORDER_H */
diff --git a/arch/parisc/include/asm/checksum.h b/arch/parisc/include/asm/checksum.h
index e9639cc..c84b2fc 100644
--- a/arch/parisc/include/asm/checksum.h
+++ b/arch/parisc/include/asm/checksum.h
@@ -182,7 +182,7 @@
#endif
: "=r" (sum), "=r" (saddr), "=r" (daddr), "=r" (len)
: "0" (sum), "1" (saddr), "2" (daddr), "3" (len), "r" (proto)
- : "r19", "r20", "r21", "r22");
+ : "r19", "r20", "r21", "r22", "memory");
return csum_fold(sum);
}
diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h
index 55ddb18..d3031d1 100644
--- a/arch/parisc/include/asm/io.h
+++ b/arch/parisc/include/asm/io.h
@@ -4,12 +4,6 @@
#include <linux/types.h>
#include <asm/pgtable.h>
-extern unsigned long parisc_vmerge_boundary;
-extern unsigned long parisc_vmerge_max_size;
-
-#define BIO_VMERGE_BOUNDARY parisc_vmerge_boundary
-#define BIO_VMERGE_MAX_SIZE parisc_vmerge_max_size
-
#define virt_to_phys(a) ((unsigned long)__pa(a))
#define phys_to_virt(a) __va(a)
#define virt_to_bus virt_to_phys
@@ -182,9 +176,9 @@
/* readb can never be const, so use __fswab instead of le*_to_cpu */
#define readb(addr) __raw_readb(addr)
-#define readw(addr) __fswab16(__raw_readw(addr))
-#define readl(addr) __fswab32(__raw_readl(addr))
-#define readq(addr) __fswab64(__raw_readq(addr))
+#define readw(addr) le16_to_cpu(__raw_readw(addr))
+#define readl(addr) le32_to_cpu(__raw_readl(addr))
+#define readq(addr) le64_to_cpu(__raw_readq(addr))
#define writeb(b, addr) __raw_writeb(b, addr)
#define writew(b, addr) __raw_writew(cpu_to_le16(b), addr)
#define writel(b, addr) __raw_writel(cpu_to_le32(b), addr)
diff --git a/arch/parisc/include/asm/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
index 85856c7..354b2ac 100644
--- a/arch/parisc/include/asm/mmu_context.h
+++ b/arch/parisc/include/asm/mmu_context.h
@@ -34,14 +34,19 @@
mm->context = 0;
}
+static inline unsigned long __space_to_prot(mm_context_t context)
+{
+#if SPACEID_SHIFT == 0
+ return context << 1;
+#else
+ return context >> (SPACEID_SHIFT - 1);
+#endif
+}
+
static inline void load_context(mm_context_t context)
{
mtsp(context, 3);
-#if SPACEID_SHIFT == 0
- mtctl(context << 1,8);
-#else
- mtctl(context >> (SPACEID_SHIFT - 1),8);
-#endif
+ mtctl(__space_to_prot(context), 8);
}
static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk)
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index 3c9d348..9d64df8 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -17,6 +17,7 @@
#include <asm/ptrace.h>
#include <asm/types.h>
#include <asm/system.h>
+#include <asm/percpu.h>
#endif /* __ASSEMBLY__ */
#define KERNEL_STACK_SIZE (4*PAGE_SIZE)
@@ -109,8 +110,7 @@
};
extern struct system_cpuinfo_parisc boot_cpu_data;
-extern struct cpuinfo_parisc cpu_data[NR_CPUS];
-#define current_cpu_data cpu_data[smp_processor_id()]
+DECLARE_PER_CPU(struct cpuinfo_parisc, cpu_data);
#define CPU_HVERSION ((boot_cpu_data.hversion >> 4) & 0x0FFF)
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 4878b95..1c6dbb6 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -241,4 +241,6 @@
#define __copy_to_user_inatomic __copy_to_user
#define __copy_from_user_inatomic __copy_from_user
+int fixup_exception(struct pt_regs *regs);
+
#endif /* __PARISC_UACCESS_H */
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 884b7ce..994bcd9 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -549,6 +549,38 @@
return match_device(to_parisc_driver(drv), to_parisc_device(dev));
}
+static ssize_t make_modalias(struct device *dev, char *buf)
+{
+ const struct parisc_device *padev = to_parisc_device(dev);
+ const struct parisc_device_id *id = &padev->id;
+
+ return sprintf(buf, "parisc:t%02Xhv%04Xrev%02Xsv%08X\n",
+ (u8)id->hw_type, (u16)id->hversion, (u8)id->hversion_rev,
+ (u32)id->sversion);
+}
+
+static int parisc_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ const struct parisc_device *padev;
+ char modalias[40];
+
+ if (!dev)
+ return -ENODEV;
+
+ padev = to_parisc_device(dev);
+ if (!padev)
+ return -ENODEV;
+
+ if (add_uevent_var(env, "PARISC_NAME=%s", padev->name))
+ return -ENOMEM;
+
+ make_modalias(dev, modalias);
+ if (add_uevent_var(env, "MODALIAS=%s", modalias))
+ return -ENOMEM;
+
+ return 0;
+}
+
#define pa_dev_attr(name, field, format_string) \
static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
@@ -566,12 +598,7 @@
static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct parisc_device *padev = to_parisc_device(dev);
- struct parisc_device_id *id = &padev->id;
-
- return sprintf(buf, "parisc:t%02Xhv%04Xrev%02Xsv%08X\n",
- (u8)id->hw_type, (u16)id->hversion, (u8)id->hversion_rev,
- (u32)id->sversion);
+ return make_modalias(dev, buf);
}
static struct device_attribute parisc_device_attrs[] = {
@@ -587,6 +614,7 @@
struct bus_type parisc_bus_type = {
.name = "parisc",
.match = parisc_generic_match,
+ .uevent = parisc_uevent,
.dev_attrs = parisc_device_attrs,
.probe = parisc_driver_probe,
.remove = parisc_driver_remove,
diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S
index 2cbf13b..5595a2f 100644
--- a/arch/parisc/kernel/hpmc.S
+++ b/arch/parisc/kernel/hpmc.S
@@ -80,6 +80,7 @@
.import intr_save, code
ENTRY(os_hpmc)
+.os_hpmc:
/*
* registers modified:
@@ -295,5 +296,10 @@
b .
nop
ENDPROC(os_hpmc)
-ENTRY(os_hpmc_end) /* this label used to compute os_hpmc checksum */
+.os_hpmc_end:
nop
+.data
+.align 4
+ .export os_hpmc_size
+os_hpmc_size:
+ .word .os_hpmc_end-.os_hpmc
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 4cea935..ac2c822 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -298,7 +298,7 @@
irq_desc[irq].affinity = cpumask_of_cpu(cpu);
#endif
- return cpu_data[cpu].txn_addr;
+ return per_cpu(cpu_data, cpu).txn_addr;
}
@@ -309,8 +309,9 @@
next_cpu++; /* assign to "next" CPU we want this bugger on */
/* validate entry */
- while ((next_cpu < NR_CPUS) && (!cpu_data[next_cpu].txn_addr ||
- !cpu_online(next_cpu)))
+ while ((next_cpu < NR_CPUS) &&
+ (!per_cpu(cpu_data, next_cpu).txn_addr ||
+ !cpu_online(next_cpu)))
next_cpu++;
if (next_cpu >= NR_CPUS)
@@ -359,7 +360,7 @@
printk(KERN_DEBUG "redirecting irq %d from CPU %d to %d\n",
irq, smp_processor_id(), cpu);
gsc_writel(irq + CPU_IRQ_BASE,
- cpu_data[cpu].hpa);
+ per_cpu(cpu_data, cpu).hpa);
goto set_out;
}
#endif
@@ -421,5 +422,5 @@
void ack_bad_irq(unsigned int irq)
{
- printk("unexpected IRQ %d\n", irq);
+ printk(KERN_WARNING "unexpected IRQ %d\n", irq);
}
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index ccb6809..1ff366c 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -52,7 +52,7 @@
#include <linux/tty.h>
#include <asm/pdc.h> /* for iodc_call() proto and friends */
-static spinlock_t pdc_console_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(pdc_console_lock);
static void pdc_console_write(struct console *co, const char *s, unsigned count)
{
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index f696f57..75099ef 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -541,9 +541,9 @@
spin_lock_init(&perf_lock);
/* TODO: this only lets us access the first cpu.. what to do for SMP? */
- cpu_device = cpu_data[0].dev;
+ cpu_device = per_cpu(cpu_data, 0).dev;
printk("Performance monitoring counters enabled for %s\n",
- cpu_data[0].dev->name);
+ per_cpu(cpu_data, 0).dev->name);
return 0;
}
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 370086f..ecb6093 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -3,7 +3,7 @@
* Initial setup-routines for HP 9000 based hardware.
*
* Copyright (C) 1991, 1992, 1995 Linus Torvalds
- * Modifications for PA-RISC (C) 1999 Helge Deller <deller@gmx.de>
+ * Modifications for PA-RISC (C) 1999-2008 Helge Deller <deller@gmx.de>
* Modifications copyright 1999 SuSE GmbH (Philipp Rumpf)
* Modifications copyright 2000 Martin K. Petersen <mkp@mkp.net>
* Modifications copyright 2000 Philipp Rumpf <prumpf@tux.org>
@@ -46,7 +46,7 @@
struct system_cpuinfo_parisc boot_cpu_data __read_mostly;
EXPORT_SYMBOL(boot_cpu_data);
-struct cpuinfo_parisc cpu_data[NR_CPUS] __read_mostly;
+DEFINE_PER_CPU(struct cpuinfo_parisc, cpu_data);
extern int update_cr16_clocksource(void); /* from time.c */
@@ -69,6 +69,23 @@
*/
/**
+ * init_cpu_profiler - enable/setup per cpu profiling hooks.
+ * @cpunum: The processor instance.
+ *
+ * FIXME: doesn't do much yet...
+ */
+static void __cpuinit
+init_percpu_prof(unsigned long cpunum)
+{
+ struct cpuinfo_parisc *p;
+
+ p = &per_cpu(cpu_data, cpunum);
+ p->prof_counter = 1;
+ p->prof_multiplier = 1;
+}
+
+
+/**
* processor_probe - Determine if processor driver should claim this device.
* @dev: The device which has been found.
*
@@ -147,7 +164,7 @@
}
#endif
- p = &cpu_data[cpuid];
+ p = &per_cpu(cpu_data, cpuid);
boot_cpu_data.cpu_count++;
/* initialize counters - CPU 0 gets it_value set in time_init() */
@@ -162,12 +179,9 @@
#ifdef CONFIG_SMP
/*
** FIXME: review if any other initialization is clobbered
- ** for boot_cpu by the above memset().
+ ** for boot_cpu by the above memset().
*/
-
- /* stolen from init_percpu_prof() */
- cpu_data[cpuid].prof_counter = 1;
- cpu_data[cpuid].prof_multiplier = 1;
+ init_percpu_prof(cpuid);
#endif
/*
@@ -261,19 +275,6 @@
}
-/**
- * init_cpu_profiler - enable/setup per cpu profiling hooks.
- * @cpunum: The processor instance.
- *
- * FIXME: doesn't do much yet...
- */
-static inline void __init
-init_percpu_prof(int cpunum)
-{
- cpu_data[cpunum].prof_counter = 1;
- cpu_data[cpunum].prof_multiplier = 1;
-}
-
/**
* init_per_cpu - Handle individual processor initializations.
@@ -293,7 +294,7 @@
*
* o Enable CPU profiling hooks.
*/
-int __init init_per_cpu(int cpunum)
+int __cpuinit init_per_cpu(int cpunum)
{
int ret;
struct pdc_coproc_cfg coproc_cfg;
@@ -307,8 +308,8 @@
/* FWIW, FP rev/model is a more accurate way to determine
** CPU type. CPU rev/model has some ambiguous cases.
*/
- cpu_data[cpunum].fp_rev = coproc_cfg.revision;
- cpu_data[cpunum].fp_model = coproc_cfg.model;
+ per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
+ per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;
printk(KERN_INFO "FP[%d] enabled: Rev %ld Model %ld\n",
cpunum, coproc_cfg.revision, coproc_cfg.model);
@@ -344,16 +345,17 @@
int
show_cpuinfo (struct seq_file *m, void *v)
{
- int n;
+ unsigned long cpu;
- for(n=0; n<boot_cpu_data.cpu_count; n++) {
+ for_each_online_cpu(cpu) {
+ const struct cpuinfo_parisc *cpuinfo = &per_cpu(cpu_data, cpu);
#ifdef CONFIG_SMP
- if (0 == cpu_data[n].hpa)
+ if (0 == cpuinfo->hpa)
continue;
#endif
- seq_printf(m, "processor\t: %d\n"
+ seq_printf(m, "processor\t: %lu\n"
"cpu family\t: PA-RISC %s\n",
- n, boot_cpu_data.family_name);
+ cpu, boot_cpu_data.family_name);
seq_printf(m, "cpu\t\t: %s\n", boot_cpu_data.cpu_name );
@@ -365,8 +367,8 @@
seq_printf(m, "model\t\t: %s\n"
"model name\t: %s\n",
boot_cpu_data.pdc.sys_model_name,
- cpu_data[n].dev ?
- cpu_data[n].dev->name : "Unknown" );
+ cpuinfo->dev ?
+ cpuinfo->dev->name : "Unknown");
seq_printf(m, "hversion\t: 0x%08x\n"
"sversion\t: 0x%08x\n",
@@ -377,8 +379,8 @@
show_cache_info(m);
seq_printf(m, "bogomips\t: %lu.%02lu\n",
- cpu_data[n].loops_per_jiffy / (500000 / HZ),
- (cpu_data[n].loops_per_jiffy / (5000 / HZ)) % 100);
+ cpuinfo->loops_per_jiffy / (500000 / HZ),
+ (cpuinfo->loops_per_jiffy / (5000 / HZ)) % 100);
seq_printf(m, "software id\t: %ld\n\n",
boot_cpu_data.pdc.model.sw_id);
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 7d27853..82131ca 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -58,11 +58,6 @@
EXPORT_SYMBOL(parisc_bus_is_phys);
#endif
-/* This sets the vmerge boundary and size, it's here because it has to
- * be available on all platforms (zero means no-virtual merging) */
-unsigned long parisc_vmerge_boundary = 0;
-unsigned long parisc_vmerge_max_size = 0;
-
void __init setup_cmdline(char **cmdline_p)
{
extern unsigned int boot_args[];
@@ -321,7 +316,7 @@
processor_init();
printk(KERN_INFO "CPU(s): %d x %s at %d.%06d MHz\n",
- boot_cpu_data.cpu_count,
+ num_present_cpus(),
boot_cpu_data.cpu_name,
boot_cpu_data.cpu_hz / 1000000,
boot_cpu_data.cpu_hz % 1000000 );
@@ -387,8 +382,8 @@
if (ret >= 0 && coproc_cfg.ccr_functional) {
mtctl(coproc_cfg.ccr_functional, 10);
- cpu_data[cpunum].fp_rev = coproc_cfg.revision;
- cpu_data[cpunum].fp_model = coproc_cfg.model;
+ per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
+ per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;
asm volatile ("fstd %fr0,8(%sp)");
} else {
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 80bc000..9995d7e 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -56,16 +56,17 @@
if (lvl >= smp_debug_lvl) \
printk(printargs);
#else
-#define smp_debug(lvl, ...)
+#define smp_debug(lvl, ...) do { } while(0)
#endif /* DEBUG_SMP */
DEFINE_SPINLOCK(smp_lock);
volatile struct task_struct *smp_init_current_idle_task;
-static volatile int cpu_now_booting __read_mostly = 0; /* track which CPU is booting */
+/* track which CPU is booting */
+static volatile int cpu_now_booting __cpuinitdata;
-static int parisc_max_cpus __read_mostly = 1;
+static int parisc_max_cpus __cpuinitdata = 1;
DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
@@ -123,7 +124,7 @@
ipi_interrupt(int irq, void *dev_id)
{
int this_cpu = smp_processor_id();
- struct cpuinfo_parisc *p = &cpu_data[this_cpu];
+ struct cpuinfo_parisc *p = &per_cpu(cpu_data, this_cpu);
unsigned long ops;
unsigned long flags;
@@ -202,13 +203,13 @@
static inline void
ipi_send(int cpu, enum ipi_message_type op)
{
- struct cpuinfo_parisc *p = &cpu_data[cpu];
+ struct cpuinfo_parisc *p = &per_cpu(cpu_data, cpu);
spinlock_t *lock = &per_cpu(ipi_lock, cpu);
unsigned long flags;
spin_lock_irqsave(lock, flags);
p->pending_ipi |= 1 << op;
- gsc_writel(IPI_IRQ - CPU_IRQ_BASE, cpu_data[cpu].hpa);
+ gsc_writel(IPI_IRQ - CPU_IRQ_BASE, p->hpa);
spin_unlock_irqrestore(lock, flags);
}
@@ -224,10 +225,7 @@
static inline void
send_IPI_single(int dest_cpu, enum ipi_message_type op)
{
- if (dest_cpu == NO_PROC_ID) {
- BUG();
- return;
- }
+ BUG_ON(dest_cpu == NO_PROC_ID);
ipi_send(dest_cpu, op);
}
@@ -309,8 +307,7 @@
/* Initialise the idle task for this CPU */
atomic_inc(&init_mm.mm_count);
current->active_mm = &init_mm;
- if(current->mm)
- BUG();
+ BUG_ON(current->mm);
enter_lazy_tlb(&init_mm, current);
init_IRQ(); /* make sure no IRQs are enabled or pending */
@@ -345,6 +342,7 @@
*/
int __cpuinit smp_boot_one_cpu(int cpuid)
{
+ const struct cpuinfo_parisc *p = &per_cpu(cpu_data, cpuid);
struct task_struct *idle;
long timeout;
@@ -376,7 +374,7 @@
smp_init_current_idle_task = idle ;
mb();
- printk("Releasing cpu %d now, hpa=%lx\n", cpuid, cpu_data[cpuid].hpa);
+ printk(KERN_INFO "Releasing cpu %d now, hpa=%lx\n", cpuid, p->hpa);
/*
** This gets PDC to release the CPU from a very tight loop.
@@ -387,7 +385,7 @@
** EIR{0}). MEM_RENDEZ is valid only when it is nonzero and the
** contents of memory are valid."
*/
- gsc_writel(TIMER_IRQ - CPU_IRQ_BASE, cpu_data[cpuid].hpa);
+ gsc_writel(TIMER_IRQ - CPU_IRQ_BASE, p->hpa);
mb();
/*
@@ -419,12 +417,12 @@
return 0;
}
-void __devinit smp_prepare_boot_cpu(void)
+void __init smp_prepare_boot_cpu(void)
{
- int bootstrap_processor=cpu_data[0].cpuid; /* CPU ID of BSP */
+ int bootstrap_processor = per_cpu(cpu_data, 0).cpuid;
/* Setup BSP mappings */
- printk("SMP: bootstrap CPU ID is %d\n",bootstrap_processor);
+ printk(KERN_INFO "SMP: bootstrap CPU ID is %d\n", bootstrap_processor);
cpu_set(bootstrap_processor, cpu_online_map);
cpu_set(bootstrap_processor, cpu_present_map);
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 4d09203..9d46c43 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -60,7 +60,7 @@
unsigned long cycles_elapsed, ticks_elapsed;
unsigned long cycles_remainder;
unsigned int cpu = smp_processor_id();
- struct cpuinfo_parisc *cpuinfo = &cpu_data[cpu];
+ struct cpuinfo_parisc *cpuinfo = &per_cpu(cpu_data, cpu);
/* gcc can optimize for "read-only" case with a local clocktick */
unsigned long cpt = clocktick;
@@ -213,7 +213,7 @@
mtctl(next_tick, 16); /* kick off Interval Timer (CR16) */
- cpu_data[cpu].it_value = next_tick;
+ per_cpu(cpu_data, cpu).it_value = next_tick;
}
struct platform_device rtc_parisc_dev = {
diff --git a/arch/parisc/kernel/topology.c b/arch/parisc/kernel/topology.c
index d71cb01..f515938 100644
--- a/arch/parisc/kernel/topology.c
+++ b/arch/parisc/kernel/topology.c
@@ -22,14 +22,14 @@
#include <linux/cpu.h>
#include <linux/cache.h>
-static struct cpu cpu_devices[NR_CPUS] __read_mostly;
+static DEFINE_PER_CPU(struct cpu, cpu_devices);
static int __init topology_init(void)
{
int num;
for_each_present_cpu(num) {
- register_cpu(&cpu_devices[num], num);
+ register_cpu(&per_cpu(cpu_devices, num), num);
}
return 0;
}
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 4c771cd..ba658d2 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -745,6 +745,10 @@
/* Fall Through */
case 27:
/* Data memory protection ID trap */
+ if (code == 27 && !user_mode(regs) &&
+ fixup_exception(regs))
+ return;
+
die_if_kernel("Protection id trap", regs, code);
si.si_code = SEGV_MAPERR;
si.si_signo = SIGSEGV;
@@ -821,8 +825,8 @@
int __init check_ivt(void *iva)
{
+ extern u32 os_hpmc_size;
extern const u32 os_hpmc[];
- extern const u32 os_hpmc_end[];
int i;
u32 check = 0;
@@ -839,8 +843,7 @@
*ivap++ = 0;
/* Compute Checksum for HPMC handler */
-
- length = os_hpmc_end - os_hpmc;
+ length = os_hpmc_size;
ivap[7] = length;
hpmcp = (u32 *)os_hpmc;
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index 6773c58..69dad5a 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -372,7 +372,7 @@
struct pt_regs *r = &t->thread.regs;
struct pt_regs *r2;
- r2 = kmalloc(sizeof(struct pt_regs), GFP_KERNEL);
+ r2 = kmalloc(sizeof(struct pt_regs), GFP_ATOMIC);
if (!r2)
return;
*r2 = *r;
diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c
index 9abed07..5069e8b 100644
--- a/arch/parisc/lib/iomap.c
+++ b/arch/parisc/lib/iomap.c
@@ -261,7 +261,7 @@
iomem_write32r,
};
-const struct iomap_ops *iomap_ops[8] = {
+static const struct iomap_ops *iomap_ops[8] = {
[0] = &ioport_ops,
[7] = &iomem_ops
};
diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index 2d68431..bbda909 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -275,7 +275,7 @@
/* Returns 0 for success, otherwise, returns number of bytes not transferred. */
-unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len)
+static unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len)
{
register unsigned long src, dst, t1, t2, t3;
register unsigned char *pcs, *pcd;
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index b2e3e9a..92c7fa4 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -139,13 +139,41 @@
}
#endif
+int fixup_exception(struct pt_regs *regs)
+{
+ const struct exception_table_entry *fix;
+
+ fix = search_exception_tables(regs->iaoq[0]);
+ if (fix) {
+ struct exception_data *d;
+ d = &__get_cpu_var(exception_data);
+ d->fault_ip = regs->iaoq[0];
+ d->fault_space = regs->isr;
+ d->fault_addr = regs->ior;
+
+ regs->iaoq[0] = ((fix->fixup) & ~3);
+ /*
+ * NOTE: In some cases the faulting instruction
+ * may be in the delay slot of a branch. We
+ * don't want to take the branch, so we don't
+ * increment iaoq[1], instead we set it to be
+ * iaoq[0]+4, and clear the B bit in the PSW
+ */
+ regs->iaoq[1] = regs->iaoq[0] + 4;
+ regs->gr[0] &= ~PSW_B; /* IPSW in gr[0] */
+
+ return 1;
+ }
+
+ return 0;
+}
+
void do_page_fault(struct pt_regs *regs, unsigned long code,
unsigned long address)
{
struct vm_area_struct *vma, *prev_vma;
struct task_struct *tsk = current;
struct mm_struct *mm = tsk->mm;
- const struct exception_table_entry *fix;
unsigned long acc_type;
int fault;
@@ -229,32 +257,8 @@
no_context:
- if (!user_mode(regs)) {
- fix = search_exception_tables(regs->iaoq[0]);
-
- if (fix) {
- struct exception_data *d;
-
- d = &__get_cpu_var(exception_data);
- d->fault_ip = regs->iaoq[0];
- d->fault_space = regs->isr;
- d->fault_addr = regs->ior;
-
- regs->iaoq[0] = ((fix->fixup) & ~3);
-
- /*
- * NOTE: In some cases the faulting instruction
- * may be in the delay slot of a branch. We
- * don't want to take the branch, so we don't
- * increment iaoq[1], instead we set it to be
- * iaoq[0]+4, and clear the B bit in the PSW
- */
-
- regs->iaoq[1] = regs->iaoq[0] + 4;
- regs->gr[0] &= ~PSW_B; /* IPSW in gr[0] */
-
- return;
- }
+ if (!user_mode(regs) && fixup_exception(regs)) {
+ return;
}
parisc_terminate("Bad Address (null pointer deref?)", regs, code, address);
diff --git a/drivers/parisc/asp.c b/drivers/parisc/asp.c
index 8213691..79311335 100644
--- a/drivers/parisc/asp.c
+++ b/drivers/parisc/asp.c
@@ -71,8 +71,7 @@
*/
#define ASP_INTERRUPT_ADDR 0xf0800000
-int __init
-asp_init_chip(struct parisc_device *dev)
+static int __init asp_init_chip(struct parisc_device *dev)
{
struct gsc_irq gsc_irq;
int ret;
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index dcc1e99..cd4dd7e 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -555,7 +555,7 @@
* (Load Coherence Index) instruction. The 8 bits used for the virtual
* index are bits 12:19 of the value returned by LCI.
*/
-void CCIO_INLINE
+static void CCIO_INLINE
ccio_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba,
unsigned long hints)
{
@@ -1578,8 +1578,6 @@
ioc_count++;
- parisc_vmerge_boundary = IOVP_SIZE;
- parisc_vmerge_max_size = BITS_PER_LONG * IOVP_SIZE;
parisc_has_iommu();
return 0;
}
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 77cc8bf..d539d9d 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -287,7 +287,7 @@
DINO_PORT_OUT(w, 16, 2)
DINO_PORT_OUT(l, 32, 0)
-struct pci_port_ops dino_port_ops = {
+static struct pci_port_ops dino_port_ops = {
.inb = dino_in8,
.inw = dino_in16,
.inl = dino_in32,
@@ -690,7 +690,7 @@
}
-struct pci_bios_ops dino_bios_ops = {
+static struct pci_bios_ops dino_bios_ops = {
.init = dino_bios_init,
.fixup_bus = dino_fixup_bus
};
diff --git a/drivers/parisc/hppb.c b/drivers/parisc/hppb.c
index 65eee67..1385641 100644
--- a/drivers/parisc/hppb.c
+++ b/drivers/parisc/hppb.c
@@ -29,7 +29,7 @@
struct hppb_card *next;
};
-struct hppb_card hppb_card_head = {
+static struct hppb_card hppb_card_head = {
.hpa = 0,
.next = NULL,
};
diff --git a/drivers/parisc/lasi.c b/drivers/parisc/lasi.c
index bee51009..e65727c 100644
--- a/drivers/parisc/lasi.c
+++ b/drivers/parisc/lasi.c
@@ -107,7 +107,7 @@
#else
-void __init lasi_led_init(unsigned long lasi_hpa)
+static void __init lasi_led_init(unsigned long lasi_hpa)
{
unsigned long datareg;
@@ -163,8 +163,7 @@
gsc_writel(0x02, datareg);
}
-int __init
-lasi_init_chip(struct parisc_device *dev)
+static int __init lasi_init_chip(struct parisc_device *dev)
{
extern void (*chassis_power_off)(void);
struct gsc_asic *lasi;
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index a28c894..d8233de 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -824,7 +824,7 @@
}
-struct pci_bios_ops lba_bios_ops = {
+static struct pci_bios_ops lba_bios_ops = {
.init = lba_bios_init,
.fixup_bus = lba_fixup_bus,
};
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index bc73b96..3fac8f8 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -561,7 +561,7 @@
* IOMMU uses little endian for the pdir.
*/
-void SBA_INLINE
+static void SBA_INLINE
sba_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba,
unsigned long hint)
{
@@ -1874,7 +1874,7 @@
{ 0, }
};
-int sba_driver_callback(struct parisc_device *);
+static int sba_driver_callback(struct parisc_device *);
static struct parisc_driver sba_driver = {
.name = MODULE_NAME,
@@ -1887,8 +1887,7 @@
** If so, initialize the chip and tell other partners in crime they
** have work to do.
*/
-int
-sba_driver_callback(struct parisc_device *dev)
+static int sba_driver_callback(struct parisc_device *dev)
{
struct sba_device *sba_dev;
u32 func_class;
@@ -1979,8 +1978,6 @@
proc_create("sba_iommu-bitmap", 0, root, &sba_proc_bitmap_fops);
#endif
- parisc_vmerge_boundary = IOVP_SIZE;
- parisc_vmerge_max_size = IOVP_SIZE * BITS_PER_LONG;
parisc_has_iommu();
return 0;
}
diff --git a/drivers/parisc/wax.c b/drivers/parisc/wax.c
index 892a83b..da9d5ad 100644
--- a/drivers/parisc/wax.c
+++ b/drivers/parisc/wax.c
@@ -68,8 +68,7 @@
// gsc_writel(0xFFFFFFFF, base+0x2000); /* RS232-B on Wax */
}
-int __init
-wax_init_chip(struct parisc_device *dev)
+static int __init wax_init_chip(struct parisc_device *dev)
{
struct gsc_asic *wax;
struct parisc_device *parent;
diff --git a/drivers/rtc/rtc-parisc.c b/drivers/rtc/rtc-parisc.c
index 346d633..c6bfa6f 100644
--- a/drivers/rtc/rtc-parisc.c
+++ b/drivers/rtc/rtc-parisc.c
@@ -34,7 +34,8 @@
static int parisc_set_time(struct device *dev, struct rtc_time *tm)
{
struct parisc_rtc *p = dev_get_drvdata(dev);
- unsigned long flags, ret;
+ unsigned long flags;
+ int ret;
spin_lock_irqsave(&p->lock, flags);
ret = set_rtc_time(tm);
