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authorLinus Torvalds <torvalds@linux-foundation.org>2008-11-02 10:16:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-02 10:16:44 -0800
commit0bf82cccd1e17135f880c161bc7926f5b25df34c (patch)
tree45935237f81b08d34f52c7bf5fe8d3d3c6a8b11b
parent391e572cd1a63aee9c8d4c2d5e3dada91d86bc43 (diff)
parent5769907ade8dda7002b304c03ef9e4ee5c1e0821 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix PCI resource mapping on sparc64 sparc64: Kill annoying warning when building compat_binfmt_elf.o sparc32: kernel/trace/trace.c wants DIE_OOPS sparc64: Fix __copy_{to,from}_user_inatomic defines.
-rw-r--r--arch/sparc/include/asm/processor_64.h4
-rw-r--r--arch/sparc/include/asm/uaccess_64.h4
-rw-r--r--arch/sparc64/kernel/pci.c10
3 files changed, 13 insertions, 5 deletions
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h
index 137a6bd72fc8..59fcebb8f440 100644
--- a/arch/sparc/include/asm/processor_64.h
+++ b/arch/sparc/include/asm/processor_64.h
@@ -36,10 +36,10 @@
#define VPTE_SIZE (1 << (VA_BITS - PAGE_SHIFT + 3))
#endif
-#define TASK_SIZE ((unsigned long)-VPTE_SIZE)
#define TASK_SIZE_OF(tsk) \
(test_tsk_thread_flag(tsk,TIF_32BIT) ? \
- (1UL << 32UL) : TASK_SIZE)
+ (1UL << 32UL) : ((unsigned long)-VPTE_SIZE))
+#define TASK_SIZE TASK_SIZE_OF(current)
#ifdef __KERNEL__
#define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE)
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index 296ef30e05c8..c64e767a3e4b 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -265,8 +265,8 @@ extern long __strnlen_user(const char __user *, long len);
#define strlen_user __strlen_user
#define strnlen_user __strnlen_user
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
+#define __copy_to_user_inatomic ___copy_to_user
+#define __copy_from_user_inatomic ___copy_from_user
#endif /* __ASSEMBLY__ */
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 242ac1ccae7d..bdb7c0a6d83d 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -889,6 +889,7 @@ static int __pci_mmap_make_offset(struct pci_dev *pdev,
for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
struct resource *rp = &pdev->resource[i];
+ resource_size_t aligned_end;
/* Active? */
if (!rp->flags)
@@ -906,8 +907,15 @@ static int __pci_mmap_make_offset(struct pci_dev *pdev,
continue;
}
+ /* Align the resource end to the next page address.
+ * PAGE_SIZE intentionally added instead of (PAGE_SIZE - 1),
+ * because actually we need the address of the next byte
+ * after rp->end.
+ */
+ aligned_end = (rp->end + PAGE_SIZE) & PAGE_MASK;
+
if ((rp->start <= user_paddr) &&
- (user_paddr + user_size) <= (rp->end + 1UL))
+ (user_paddr + user_size) <= aligned_end)
break;
}

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