diff options
author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-09-10 10:09:38 -0700 |
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committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-09-10 11:48:55 -0700 |
commit | 78c86e5e5691fc84d5fbea0cd4ac7147e87b7490 (patch) | |
tree | aa10df4a64505332ec093d909fa0999764ac4d66 /arch/x86/mm/physaddr.h | |
parent | 2496afbf1e50c70f80992656bcb730c8583ddac3 (diff) |
x86: split __phys_addr out into separate file
Split __phys_addr out into its own file so we can disable
-fstack-protector in a fine-grained fashion. Also it doesn't
have terribly much to do with the rest of ioremap.c.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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 000000000000..a3cd5a0c97b3 --- /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 +} |