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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] Drop duplicated "config IOMMU_HELPER"
  [IA64] invoke oom-killer from page fault
  [IA64] use __ratelimit
  [IA64] Use set_cpus_allowed_ptr
  [IA64] Use set_cpus_allowed_ptr
  [IA64] arch/ia64/hp/common/sba_iommu.c: Rename dev_info to adi
  [IA64] removing redundant ifdef
This commit is contained in:
Linus Torvalds 2010-05-19 11:41:52 -07:00
parent 1d3c6ff44a 2a2ae2426b
commit cf77e988dd
10 changed files with 26 additions and 58 deletions
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3
arch/ia64/Kconfig
View File

@ -59,9 +59,6 @@ config NEED_DMA_MAP_STATE
config SWIOTLB
bool
config IOMMU_HELPER
bool
config GENERIC_LOCKBREAK
def_bool n

8
arch/ia64/hp/common/sba_iommu.c
View File

@ -2046,13 +2046,13 @@ acpi_sba_ioc_add(struct acpi_device *device)
struct ioc *ioc;
acpi_status status;
u64 hpa, length;
struct acpi_device_info *dev_info;
struct acpi_device_info *adi;
status = hp_acpi_csr_space(device->handle, &hpa, &length);
if (ACPI_FAILURE(status))
return 1;
status = acpi_get_object_info(device->handle, &dev_info);
status = acpi_get_object_info(device->handle, &adi);
if (ACPI_FAILURE(status))
return 1;
@ -2060,13 +2060,13 @@ acpi_sba_ioc_add(struct acpi_device *device)
* For HWP0001, only SBA appears in ACPI namespace. It encloses the PCI
* root bridges, and its CSR space includes the IOC function.
*/
if (strncmp("HWP0001", dev_info->hardware_id.string, 7) == 0) {
if (strncmp("HWP0001", adi->hardware_id.string, 7) == 0) {
hpa += ZX1_IOC_OFFSET;
/* zx1 based systems default to kernel page size iommu pages */
if (!iovp_shift)
iovp_shift = min(PAGE_SHIFT, 16);
}
kfree(dev_info);
kfree(adi);
/*
* default anything not caught above or specified on cmdline to 4k

4
arch/ia64/include/asm/mmzone.h
View File

@ -19,16 +19,12 @@
static inline int pfn_to_nid(unsigned long pfn)
{
#ifdef CONFIG_NUMA
extern int paddr_to_nid(unsigned long);
int nid = paddr_to_nid(pfn << PAGE_SHIFT);
if (nid < 0)
return 0;
else
return nid;
#else
return 0;
#endif
}
#ifdef CONFIG_IA64_DIG /* DIG systems are small */

10
arch/ia64/kernel/cpufreq/acpi-cpufreq.c
View File

@ -113,7 +113,7 @@ processor_get_freq (
dprintk("processor_get_freq\n");
saved_mask = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(cpu));
set_cpus_allowed_ptr(current, cpumask_of(cpu));
if (smp_processor_id() != cpu)
goto migrate_end;
@ -121,7 +121,7 @@ processor_get_freq (
ret = processor_get_pstate(&value);
if (ret) {
set_cpus_allowed(current, saved_mask);
set_cpus_allowed_ptr(current, &saved_mask);
printk(KERN_WARNING "get performance failed with error %d\n",
ret);
ret = 0;
@ -131,7 +131,7 @@ processor_get_freq (
ret = (clock_freq*1000);
migrate_end:
set_cpus_allowed(current, saved_mask);
set_cpus_allowed_ptr(current, &saved_mask);
return ret;
}
@ -151,7 +151,7 @@ processor_set_freq (
dprintk("processor_set_freq\n");
saved_mask = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(cpu));
set_cpus_allowed_ptr(current, cpumask_of(cpu));
if (smp_processor_id() != cpu) {
retval = -EAGAIN;
goto migrate_end;
@ -208,7 +208,7 @@ processor_set_freq (
retval = 0;
migrate_end:
set_cpus_allowed(current, saved_mask);
set_cpus_allowed_ptr(current, &saved_mask);
return (retval);
}

9
arch/ia64/kernel/irq_ia64.c
View File

@ -29,6 +29,7 @@
#include <linux/threads.h>
#include <linux/bitops.h>
#include <linux/irq.h>
#include <linux/ratelimit.h>
#include <asm/delay.h>
#include <asm/intrinsics.h>
@ -467,13 +468,9 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs)
sp = ia64_getreg(_IA64_REG_SP);
if ((sp - bsp) < 1024) {
static unsigned char count;
static long last_time;
static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
if (time_after(jiffies, last_time + 5 * HZ))
count = 0;
if (++count < 5) {
last_time = jiffies;
if (__ratelimit(&ratelimit)) {
printk("ia64_handle_irq: DANGER: less than "
"1KB of free stack space!!\n"
"(bsp=0x%lx, sp=%lx)\n", bsp, sp);

5
arch/ia64/kernel/salinfo.c
View File

@ -404,10 +404,9 @@ static void
call_on_cpu(int cpu, void (*fn)(void *), void *arg)
{
cpumask_t save_cpus_allowed = current->cpus_allowed;
cpumask_t new_cpus_allowed = cpumask_of_cpu(cpu);
set_cpus_allowed(current, new_cpus_allowed);
set_cpus_allowed_ptr(current, cpumask_of(cpu));
(*fn)(arg);
set_cpus_allowed(current, save_cpus_allowed);
set_cpus_allowed_ptr(current, &save_cpus_allowed);
}
static void

4
arch/ia64/kernel/topology.c
View File

@ -361,12 +361,12 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
return 0;
oldmask = current->cpus_allowed;
retval = set_cpus_allowed(current, cpumask_of_cpu(cpu));
retval = set_cpus_allowed_ptr(current, cpumask_of(cpu));
if (unlikely(retval))
return retval;
retval = cpu_cache_sysfs_init(cpu);
set_cpus_allowed(current, oldmask);
set_cpus_allowed_ptr(current, &oldmask);
if (unlikely(retval < 0))
return retval;

24
arch/ia64/kernel/unaligned.c
View File

@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/tty.h>
#include <linux/ratelimit.h>
#include <asm/intrinsics.h>
#include <asm/processor.h>
@ -1283,24 +1284,9 @@ emulate_store_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
/*
* Make sure we log the unaligned access, so that user/sysadmin can notice it and
* eventually fix the program. However, we don't want to do that for every access so we
* pace it with jiffies. This isn't really MP-safe, but it doesn't really have to be
* either...
* pace it with jiffies.
*/
static int
within_logging_rate_limit (void)
{
static unsigned long count, last_time;
if (time_after(jiffies, last_time + 5 * HZ))
count = 0;
if (count < 5) {
last_time = jiffies;
count++;
return 1;
}
return 0;
}
static DEFINE_RATELIMIT_STATE(logging_rate_limit, 5 * HZ, 5);
void
ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
@ -1337,7 +1323,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
if (!no_unaligned_warning &&
!(current->thread.flags & IA64_THREAD_UAC_NOPRINT) &&
within_logging_rate_limit())
__ratelimit(&logging_rate_limit))
{
char buf[200]; /* comm[] is at most 16 bytes... */
size_t len;
@ -1370,7 +1356,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
}
}
} else {
if (within_logging_rate_limit()) {
if (__ratelimit(&logging_rate_limit)) {
printk(KERN_WARNING "kernel unaligned access to 0x%016lx, ip=0x%016lx\n",
ifa, regs->cr_iip + ipsr->ri);
if (unaligned_dump_stack)

13
arch/ia64/mm/fault.c
View File

@ -148,7 +148,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
if ((vma->vm_flags & mask) != mask)
goto bad_area;
survive:
/*
* If for any reason at all we couldn't handle the fault, make
* sure we exit gracefully rather than endlessly redo the
@ -276,13 +275,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
out_of_memory:
up_read(&mm->mmap_sem);
if (is_global_init(current)) {
yield();
down_read(&mm->mmap_sem);
goto survive;
}
printk(KERN_CRIT "VM: killing process %s\n", current->comm);
if (user_mode(regs))
do_group_exit(SIGKILL);
goto no_context;
if (!user_mode(regs))
goto no_context;
pagefault_out_of_memory();
}

4
arch/ia64/sn/kernel/sn2/sn_hwperf.c
View File

@ -629,9 +629,9 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
else {
/* migrate the task before calling SAL */
save_allowed = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(cpu));
set_cpus_allowed_ptr(current, cpumask_of(cpu));
sn_hwperf_call_sal(op_info);
set_cpus_allowed(current, save_allowed);
set_cpus_allowed_ptr(current, &save_allowed);
}
}
r = op_info->ret;