diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 10:23:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 10:23:49 -0700 |
| commit | b8cb48aae1b8c50b37dcb7710363aa69a7a0d9ca (patch) | |
| tree | c7b04bfc8ece8b0121a9030c7f49e7bf9bf570d1 /arch/x86/mm/physaddr.h | |
| parent | 0cc6d77e55eca9557bbe41bf2db94b31aa8fcb2a (diff) | |
| parent | 78c86e5e5691fc84d5fbea0cd4ac7147e87b7490 (diff) | |
Merge branch 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: split __phys_addr out into separate file
xen: use stronger barrier after unlocking lock
xen: only enable interrupts while actually blocking for spinlock
xen: make -fstack-protector work under Xen
Diffstat (limited to 'arch/x86/mm/physaddr.h')
| -rw-r--r-- | arch/x86/mm/physaddr.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/mm/physaddr.h b/arch/x86/mm/physaddr.h new file mode 100644 index 00000000000..a3cd5a0c97b --- /dev/null +++ b/arch/x86/mm/physaddr.h @@ -0,0 +1,10 @@ +#include <asm/processor.h> + +static inline int phys_addr_valid(resource_size_t addr) +{ +#ifdef CONFIG_PHYS_ADDR_T_64BIT + return !(addr >> boot_cpu_data.x86_phys_bits); +#else + return 1; +#endif +} |