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-rw-r--r--include/asm-generic/io.h2
-rw-r--r--include/asm-generic/page.h10
-rw-r--r--include/asm-generic/uaccess.h7
-rw-r--r--include/linux/elf-em.h1
4 files changed, 15 insertions, 5 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 9120887..c2cf2ed 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -327,7 +327,7 @@ static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size)
#define ioremap_wc ioremap_nocache
#endif
-static inline void iounmap(void *addr)
+static inline void iounmap(void __iomem *addr)
{
}
#endif /* CONFIG_MMU */
diff --git a/include/asm-generic/page.h b/include/asm-generic/page.h
index 351889d..37d1fe2 100644
--- a/include/asm-generic/page.h
+++ b/include/asm-generic/page.h
@@ -71,10 +71,14 @@ extern unsigned long memory_end;
#define PAGE_OFFSET (0)
#endif
+#ifndef ARCH_PFN_OFFSET
+#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT)
+#endif
+
#ifndef __ASSEMBLY__
-#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET))
-#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
+#define __va(x) ((void *)((unsigned long) (x)))
+#define __pa(x) ((unsigned long) (x))
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
@@ -86,7 +90,7 @@ extern unsigned long memory_end;
#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
#endif
-#define pfn_valid(pfn) ((pfn) < max_mapnr)
+#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
((void *)(kaddr) < (void *)memory_end))
diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h
index ac68c99..9788568 100644
--- a/include/asm-generic/uaccess.h
+++ b/include/asm-generic/uaccess.h
@@ -289,9 +289,14 @@ strncpy_from_user(char *dst, const char __user *src, long count)
* Return 0 on exception, a value greater than N if too long
*/
#ifndef __strnlen_user
-#define __strnlen_user strnlen
+#define __strnlen_user(s, n) (strnlen((s), (n)) + 1)
#endif
+/*
+ * Unlike strnlen, strnlen_user includes the nul terminator in
+ * its returned count. Callers should check for a returned value
+ * greater than N as an indication the string is too long.
+ */
static inline long strnlen_user(const char __user *src, long n)
{
if (!access_ok(VERIFY_READ, src, 1))
diff --git a/include/linux/elf-em.h b/include/linux/elf-em.h
index 18bea78..8e2b7ba 100644
--- a/include/linux/elf-em.h
+++ b/include/linux/elf-em.h
@@ -33,6 +33,7 @@
#define EM_H8_300 46 /* Renesas H8/300,300H,H8S */
#define EM_MN10300 89 /* Panasonic/MEI MN10300, AM33 */
#define EM_BLACKFIN 106 /* ADI Blackfin Processor */
+#define EM_TI_C6000 140 /* TI C6X DSPs */
#define EM_FRV 0x5441 /* Fujitsu FR-V */
#define EM_AVR32 0x18ad /* Atmel AVR32 */
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