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-rw-r--r--arch/mips/include/asm/Kbuild1
-rw-r--r--arch/mips/kernel/rtlx.c19
-rw-r--r--arch/mips/mm/init.c5
3 files changed, 12 insertions, 13 deletions
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 454ddf9..1acbb8b 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -11,5 +11,6 @@ generic-y += sections.h
generic-y += segment.h
generic-y += serial.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += ucontext.h
generic-y += xor.h
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index d763f11..2c12ea1 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -172,8 +172,9 @@ int rtlx_open(int index, int can_sleep)
if (rtlx == NULL) {
if( (p = vpe_get_shared(tclimit)) == NULL) {
if (can_sleep) {
- __wait_event_interruptible(channel_wqs[index].lx_queue,
- (p = vpe_get_shared(tclimit)), ret);
+ ret = __wait_event_interruptible(
+ channel_wqs[index].lx_queue,
+ (p = vpe_get_shared(tclimit)));
if (ret)
goto out_fail;
} else {
@@ -263,11 +264,10 @@ unsigned int rtlx_read_poll(int index, int can_sleep)
/* data available to read? */
if (chan->lx_read == chan->lx_write) {
if (can_sleep) {
- int ret = 0;
-
- __wait_event_interruptible(channel_wqs[index].lx_queue,
+ int ret = __wait_event_interruptible(
+ channel_wqs[index].lx_queue,
(chan->lx_read != chan->lx_write) ||
- sp_stopping, ret);
+ sp_stopping);
if (ret)
return ret;
@@ -440,14 +440,13 @@ static ssize_t file_write(struct file *file, const char __user * buffer,
/* any space left... */
if (!rtlx_write_poll(minor)) {
- int ret = 0;
+ int ret;
if (file->f_flags & O_NONBLOCK)
return -EAGAIN;
- __wait_event_interruptible(channel_wqs[minor].rt_queue,
- rtlx_write_poll(minor),
- ret);
+ ret = __wait_event_interruptible(channel_wqs[minor].rt_queue,
+ rtlx_write_poll(minor));
if (ret)
return ret;
}
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index e205ef5..1215617 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -124,7 +124,7 @@ void *kmap_coherent(struct page *page, unsigned long addr)
BUG_ON(Page_dcache_dirty(page));
- inc_preempt_count();
+ pagefault_disable();
idx = (addr >> PAGE_SHIFT) & (FIX_N_COLOURS - 1);
#ifdef CONFIG_MIPS_MT_SMTC
idx += FIX_N_COLOURS * smp_processor_id() +
@@ -193,8 +193,7 @@ void kunmap_coherent(void)
write_c0_entryhi(old_ctx);
EXIT_CRITICAL(flags);
#endif
- dec_preempt_count();
- preempt_check_resched();
+ pagefault_enable();
}
void copy_user_highpage(struct page *to, struct page *from,
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