diff options
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/mips/kernel/rtlx.c | 19 | ||||
-rw-r--r-- | arch/mips/mm/init.c | 5 |
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, |