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authorDmitry Torokhov <dtor@insightbb.com>2006-12-08 07:07:56 +0100
committerDmitry Torokhov <dtor@insightbb.com>2006-12-08 07:07:56 +0100
commitbef986502fa398b1785a3979b1aa17cd902d3527 (patch)
treeb59c1afe7b1dfcc001b86e54863f550d7ddc8c34 /arch/mips/mm/c-sb1.c
parentInput: handle errors from input_register_device in drivers/macintosh (diff)
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/iee... (diff)
downloadlinux-bef986502fa398b1785a3979b1aa17cd902d3527.tar.xz
linux-bef986502fa398b1785a3979b1aa17cd902d3527.zip
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/usb/input/hid.h
Diffstat (limited to 'arch/mips/mm/c-sb1.c')
-rw-r--r--arch/mips/mm/c-sb1.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/arch/mips/mm/c-sb1.c b/arch/mips/mm/c-sb1.c
index ea49a775bf28..3a8afd47feaa 100644
--- a/arch/mips/mm/c-sb1.c
+++ b/arch/mips/mm/c-sb1.c
@@ -19,6 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/init.h>
+#include <linux/hardirq.h>
#include <asm/asm.h>
#include <asm/bootinfo.h>
@@ -242,6 +243,25 @@ void sb1_flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsign
__attribute__((alias("local_sb1_flush_cache_page")));
#endif
+#ifdef CONFIG_SMP
+static void sb1_flush_cache_data_page_ipi(void *info)
+{
+ unsigned long start = (unsigned long)info;
+
+ __sb1_writeback_inv_dcache_range(start, start + PAGE_SIZE);
+}
+
+static void sb1_flush_cache_data_page(unsigned long addr)
+{
+ if (in_atomic())
+ __sb1_writeback_inv_dcache_range(addr, addr + PAGE_SIZE);
+ else
+ on_each_cpu(sb1_flush_cache_data_page_ipi, (void *) addr, 1, 1);
+}
+#else
+void sb1_flush_cache_data_page(unsigned long)
+ __attribute__((alias("local_sb1_flush_cache_data_page")));
+#endif
/*
* Invalidate all caches on this CPU
@@ -481,7 +501,7 @@ void sb1_cache_init(void)
flush_cache_sigtramp = sb1_flush_cache_sigtramp;
local_flush_data_cache_page = (void *) sb1_nop;
- flush_data_cache_page = (void *) sb1_nop;
+ flush_data_cache_page = sb1_flush_cache_data_page;
/* Full flush */
__flush_cache_all = sb1___flush_cache_all;
@@ -505,5 +525,5 @@ void sb1_cache_init(void)
:
: "memory");
- flush_cache_all();
+ local_sb1___flush_cache_all();
}