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-rw-r--r--arch/um/Kconfig.common4
-rw-r--r--arch/um/drivers/chan_kern.c8
-rw-r--r--arch/um/drivers/hostaudio_kern.c6
-rw-r--r--arch/um/include/asm/pgtable-3level.h4
-rw-r--r--arch/um/kernel/ptrace.c21
-rw-r--r--arch/um/kernel/time.c16
6 files changed, 20 insertions, 39 deletions
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 0d207e73a75..7c8e277f6d3 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -55,10 +55,6 @@ config GENERIC_BUG
default y
depends on BUG
-config GENERIC_TIME
- bool
- default y
-
config GENERIC_CLOCKEVENTS
bool
default y
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 6e51424745a..25e1965df7c 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -210,9 +210,9 @@ void free_irqs(void)
list_for_each(ele, &list) {
chan = list_entry(ele, struct chan, free_list);
- if (chan->input)
+ if (chan->input && chan->enabled)
free_irq(chan->line->driver->read_irq, chan);
- if (chan->output)
+ if (chan->output && chan->enabled)
free_irq(chan->line->driver->write_irq, chan);
chan->enabled = 0;
}
@@ -231,9 +231,9 @@ static void close_one_chan(struct chan *chan, int delay_free_irq)
spin_unlock_irqrestore(&irqs_to_free_lock, flags);
}
else {
- if (chan->input)
+ if (chan->input && chan->enabled)
free_irq(chan->line->driver->read_irq, chan);
- if (chan->output)
+ if (chan->output && chan->enabled)
free_irq(chan->line->driver->write_irq, chan);
chan->enabled = 0;
}
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index ae42695c359..68142df7660 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -8,6 +8,7 @@
#include "linux/slab.h"
#include "linux/sound.h"
#include "linux/soundcard.h"
+#include "linux/smp_lock.h"
#include "asm/uaccess.h"
#include "init.h"
#include "os.h"
@@ -198,7 +199,10 @@ static int hostaudio_open(struct inode *inode, struct file *file)
if (file->f_mode & FMODE_WRITE)
w = 1;
+ lock_kernel();
ret = os_open_file(dsp, of_set_rw(OPENFLAGS(), r, w), 0);
+ unlock_kernel();
+
if (ret < 0) {
kfree(state);
return ret;
@@ -254,7 +258,9 @@ static int hostmixer_open_mixdev(struct inode *inode, struct file *file)
if (file->f_mode & FMODE_WRITE)
w = 1;
+ lock_kernel();
ret = os_open_file(mixer, of_set_rw(OPENFLAGS(), r, w), 0);
+ unlock_kernel();
if (ret < 0) {
printk(KERN_ERR "hostaudio_open_mixdev failed to open '%s', "
diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h
index 084de4a9fc7..0032f9212e7 100644
--- a/arch/um/include/asm/pgtable-3level.h
+++ b/arch/um/include/asm/pgtable-3level.h
@@ -60,7 +60,7 @@
set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd)))
#ifdef CONFIG_64BIT
-#define set_pud(pudptr, pudval) set_64bit((phys_t *) (pudptr), pud_val(pudval))
+#define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval))
#else
#define set_pud(pudptr, pudval) (*(pudptr) = (pudval))
#endif
@@ -73,7 +73,7 @@ static inline int pgd_newpage(pgd_t pgd)
static inline void pgd_mkuptodate(pgd_t pgd) { pgd_val(pgd) &= ~_PAGE_NEWPAGE; }
#ifdef CONFIG_64BIT
-#define set_pmd(pmdptr, pmdval) set_64bit((phys_t *) (pmdptr), pmd_val(pmdval))
+#define set_pmd(pmdptr, pmdval) set_64bit((u64 *) (pmdptr), pmd_val(pmdval))
#else
#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
#endif
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 484509948ee..e0510496596 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -7,9 +7,6 @@
#include "linux/ptrace.h"
#include "linux/sched.h"
#include "asm/uaccess.h"
-#ifdef CONFIG_PROC_MM
-#include "proc_mm.h"
-#endif
#include "skas_ptrace.h"
@@ -158,24 +155,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
}
#endif
-#ifdef CONFIG_PROC_MM
- case PTRACE_SWITCH_MM: {
- struct mm_struct *old = child->mm;
- struct mm_struct *new = proc_mm_get_mm(data);
-
- if (IS_ERR(new)) {
- ret = PTR_ERR(new);
- break;
- }
-
- atomic_inc(&new->mm_users);
- child->mm = new;
- child->active_mm = new;
- mmput(old);
- ret = 0;
- break;
- }
-#endif
#ifdef PTRACE_ARCH_PRCTL
case PTRACE_ARCH_PRCTL:
/* XXX Calls ptrace on the host - needs some SMP thinking */
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index c8b9c469fcd..a08d9fab81f 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -102,16 +102,16 @@ static void __init setup_itimer(void)
clockevents_register_device(&itimer_clockevent);
}
-void __init time_init(void)
+void read_persistent_clock(struct timespec *ts)
{
- long long nsecs;
-
- timer_init();
+ long long nsecs = os_nsecs();
- nsecs = os_nsecs();
- set_normalized_timespec(&wall_to_monotonic, -nsecs / NSEC_PER_SEC,
- -nsecs % NSEC_PER_SEC);
- set_normalized_timespec(&xtime, nsecs / NSEC_PER_SEC,
+ set_normalized_timespec(ts, nsecs / NSEC_PER_SEC,
nsecs % NSEC_PER_SEC);
+}
+
+void __init time_init(void)
+{
+ timer_init();
late_time_init = setup_itimer;
}