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authorIngo Molnar <mingo@elte.hu>2011-03-08 17:21:49 +0100
committerIngo Molnar <mingo@elte.hu>2011-03-08 17:21:52 +0100
commit86cb2ec7b22a0a89b8660110dc03321fadbef45f (patch)
treec4162b0ab7c4e3602e2b7a6a6fd47c55c3315fea /arch/sh
parent7f0030b211579939461468f25b80c73e293c46e0 (diff)
parenta5abba989deceb731047425812d268daf7536575 (diff)
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Merge commit 'v2.6.38-rc8' into perf/core
Merge reason: Merge latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/include/asm/sections.h2
-rw-r--r--arch/sh/kernel/cpu/sh4/setup-sh7750.c13
-rw-r--r--arch/sh/lib/delay.c10
-rw-r--r--arch/sh/mm/cache.c3
4 files changed, 22 insertions, 6 deletions
diff --git a/arch/sh/include/asm/sections.h b/arch/sh/include/asm/sections.h
index a78701d..4a53500 100644
--- a/arch/sh/include/asm/sections.h
+++ b/arch/sh/include/asm/sections.h
@@ -3,7 +3,7 @@
#include <asm-generic/sections.h>
-extern void __nosave_begin, __nosave_end;
+extern long __nosave_begin, __nosave_end;
extern long __machvec_start, __machvec_end;
extern char __uncached_start, __uncached_end;
extern char _ebss[];
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index 672944f..e53b4b3 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -14,7 +14,7 @@
#include <linux/io.h>
#include <linux/sh_timer.h>
#include <linux/serial_sci.h>
-#include <asm/machtypes.h>
+#include <generated/machtypes.h>
static struct resource rtc_resources[] = {
[0] = {
@@ -255,12 +255,17 @@ static struct platform_device *sh7750_early_devices[] __initdata = {
void __init plat_early_device_setup(void)
{
+ struct platform_device *dev[1];
+
if (mach_is_rts7751r2d()) {
scif_platform_data.scscr |= SCSCR_CKE1;
- early_platform_add_devices(&scif_device, 1);
+ dev[0] = &scif_device;
+ early_platform_add_devices(dev, 1);
} else {
- early_platform_add_devices(&sci_device, 1);
- early_platform_add_devices(&scif_device, 1);
+ dev[0] = &sci_device;
+ early_platform_add_devices(dev, 1);
+ dev[0] = &scif_device;
+ early_platform_add_devices(dev, 1);
}
early_platform_add_devices(sh7750_early_devices,
diff --git a/arch/sh/lib/delay.c b/arch/sh/lib/delay.c
index faa8f86..0901b2f 100644
--- a/arch/sh/lib/delay.c
+++ b/arch/sh/lib/delay.c
@@ -10,6 +10,16 @@
void __delay(unsigned long loops)
{
__asm__ __volatile__(
+ /*
+ * ST40-300 appears to have an issue with this code,
+ * normally taking two cycles each loop, as with all
+ * other SH variants. If however the branch and the
+ * delay slot straddle an 8 byte boundary, this increases
+ * to 3 cycles.
+ * This align directive ensures this doesn't occur.
+ */
+ ".balign 8\n\t"
+
"tst %0, %0\n\t"
"1:\t"
"bf/s 1b\n\t"
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 88d3dc3..5a580ea 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -108,7 +108,8 @@ void copy_user_highpage(struct page *to, struct page *from,
kunmap_atomic(vfrom, KM_USER0);
}
- if (pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
+ if (pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK) ||
+ (vma->vm_flags & VM_EXEC))
__flush_purge_region(vto, PAGE_SIZE);
kunmap_atomic(vto, KM_USER1);