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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-18 13:16:30 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-18 13:16:30 +1100
commitc71327ad9f925a4ddbf24db80ce66165104c4ed0 (patch)
treea1560ddfb827d580843d2a32ba19fb0fc85490d8 /arch/arm/mm
parentf507cd22035fdadd5dbb476dd05e9e7ee21c3b84 (diff)
parenta4bd6a93c3f14691c8a29e53eb04dc734b27f0db (diff)
downloadtalos-obmc-linux-c71327ad9f925a4ddbf24db80ce66165104c4ed0.tar.gz
talos-obmc-linux-c71327ad9f925a4ddbf24db80ce66165104c4ed0.zip
Merge commit 'gcl/merge' into merge
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/copypage-feroceon.c2
-rw-r--r--arch/arm/mm/copypage-v3.c2
-rw-r--r--arch/arm/mm/copypage-v4mc.c2
-rw-r--r--arch/arm/mm/copypage-v4wb.c2
-rw-r--r--arch/arm/mm/copypage-v4wt.c2
-rw-r--r--arch/arm/mm/copypage-xsc3.c2
-rw-r--r--arch/arm/mm/copypage-xscale.c2
-rw-r--r--arch/arm/mm/dma-mapping.c20
-rw-r--r--arch/arm/mm/init.c2
-rw-r--r--arch/arm/mm/mmap.c2
10 files changed, 21 insertions, 17 deletions
diff --git a/arch/arm/mm/copypage-feroceon.c b/arch/arm/mm/copypage-feroceon.c
index c3ba6a94da0c..70997d5bee2d 100644
--- a/arch/arm/mm/copypage-feroceon.c
+++ b/arch/arm/mm/copypage-feroceon.c
@@ -13,7 +13,7 @@
#include <linux/init.h>
#include <linux/highmem.h>
-static void __attribute__((naked))
+static void __naked
feroceon_copy_user_page(void *kto, const void *kfrom)
{
asm("\
diff --git a/arch/arm/mm/copypage-v3.c b/arch/arm/mm/copypage-v3.c
index 70ed96c8af8e..de9c06854ad7 100644
--- a/arch/arm/mm/copypage-v3.c
+++ b/arch/arm/mm/copypage-v3.c
@@ -15,7 +15,7 @@
*
* FIXME: do we need to handle cache stuff...
*/
-static void __attribute__((naked))
+static void __naked
v3_copy_user_page(void *kto, const void *kfrom)
{
asm("\n\
diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c
index 1601698b9800..7370a7142b04 100644
--- a/arch/arm/mm/copypage-v4mc.c
+++ b/arch/arm/mm/copypage-v4mc.c
@@ -44,7 +44,7 @@ static DEFINE_SPINLOCK(minicache_lock);
* instruction. If your processor does not supply this, you have to write your
* own copy_user_highpage that does the right thing.
*/
-static void __attribute__((naked))
+static void __naked
mc_copy_user_page(void *from, void *to)
{
asm volatile(
diff --git a/arch/arm/mm/copypage-v4wb.c b/arch/arm/mm/copypage-v4wb.c
index 3ec93dab7656..9ab098414227 100644
--- a/arch/arm/mm/copypage-v4wb.c
+++ b/arch/arm/mm/copypage-v4wb.c
@@ -22,7 +22,7 @@
* instruction. If your processor does not supply this, you have to write your
* own copy_user_highpage that does the right thing.
*/
-static void __attribute__((naked))
+static void __naked
v4wb_copy_user_page(void *kto, const void *kfrom)
{
asm("\
diff --git a/arch/arm/mm/copypage-v4wt.c b/arch/arm/mm/copypage-v4wt.c
index 0f1188efae45..300efafd6643 100644
--- a/arch/arm/mm/copypage-v4wt.c
+++ b/arch/arm/mm/copypage-v4wt.c
@@ -20,7 +20,7 @@
* dirty data in the cache. However, we do have to ensure that
* subsequent reads are up to date.
*/
-static void __attribute__((naked))
+static void __naked
v4wt_copy_user_page(void *kto, const void *kfrom)
{
asm("\
diff --git a/arch/arm/mm/copypage-xsc3.c b/arch/arm/mm/copypage-xsc3.c
index 39a994542cad..bc4525f5ab23 100644
--- a/arch/arm/mm/copypage-xsc3.c
+++ b/arch/arm/mm/copypage-xsc3.c
@@ -29,7 +29,7 @@
* if we eventually end up using our copied page.
*
*/
-static void __attribute__((naked))
+static void __naked
xsc3_mc_copy_user_page(void *kto, const void *kfrom)
{
asm("\
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index d18f2397ee2d..76824d3e966a 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -42,7 +42,7 @@ static DEFINE_SPINLOCK(minicache_lock);
* Dcache aliasing issue. The writes will be forwarded to the write buffer,
* and merged as appropriate.
*/
-static void __attribute__((naked))
+static void __naked
mc_copy_user_page(void *from, void *to)
{
/*
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 310e479309ef..f1ef5613ccd4 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -490,26 +490,30 @@ core_initcall(consistent_init);
*/
void dma_cache_maint(const void *start, size_t size, int direction)
{
- const void *end = start + size;
+ void (*inner_op)(const void *, const void *);
+ void (*outer_op)(unsigned long, unsigned long);
- BUG_ON(!virt_addr_valid(start) || !virt_addr_valid(end - 1));
+ BUG_ON(!virt_addr_valid(start) || !virt_addr_valid(start + size - 1));
switch (direction) {
case DMA_FROM_DEVICE: /* invalidate only */
- dmac_inv_range(start, end);
- outer_inv_range(__pa(start), __pa(end));
+ inner_op = dmac_inv_range;
+ outer_op = outer_inv_range;
break;
case DMA_TO_DEVICE: /* writeback only */
- dmac_clean_range(start, end);
- outer_clean_range(__pa(start), __pa(end));
+ inner_op = dmac_clean_range;
+ outer_op = outer_clean_range;
break;
case DMA_BIDIRECTIONAL: /* writeback and invalidate */
- dmac_flush_range(start, end);
- outer_flush_range(__pa(start), __pa(end));
+ inner_op = dmac_flush_range;
+ outer_op = outer_flush_range;
break;
default:
BUG();
}
+
+ inner_op(start, start + size);
+ outer_op(__pa(start), __pa(start) + size);
}
EXPORT_SYMBOL(dma_cache_maint);
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 34df4d9d03a6..80fd3b69ae1f 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -382,7 +382,7 @@ void __init bootmem_init(void)
for_each_node(node)
bootmem_free_node(node, mi);
- high_memory = __va(memend_pfn << PAGE_SHIFT);
+ high_memory = __va((memend_pfn << PAGE_SHIFT) - 1) + 1;
/*
* This doesn't seem to be used by the Linux memory manager any
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index 5358fcc7f61e..f7457fea6de8 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -124,7 +124,7 @@ int valid_phys_addr_range(unsigned long addr, size_t size)
{
if (addr < PHYS_OFFSET)
return 0;
- if (addr + size > __pa(high_memory))
+ if (addr + size >= __pa(high_memory - 1))
return 0;
return 1;
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