Messages in this thread Patch in this message | | | From | "Gustavo F. Padovan" <> | Subject | [PATCH 2/6] x86: define FIXADDR_BOOT_* and redefine FIX_ADDR_SIZE | Date | Thu, 5 Feb 2009 20:39:42 -0200 |
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Now, with these macros, x86_64 code can know where start the permanent and non-permanent fixed mapped address. This patch make these macros equal fixmap_32.h for future x86 integration.
Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br> Acked-by: Glauber Costa <gcosta@redhat.com> --- arch/x86/include/asm/fixmap_64.h | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/fixmap_64.h b/arch/x86/include/asm/fixmap_64.h index 00a30ab..678b9c5 100644 --- a/arch/x86/include/asm/fixmap_64.h +++ b/arch/x86/include/asm/fixmap_64.h @@ -73,8 +73,11 @@ enum fixed_addresses { }; #define FIXADDR_TOP (VSYSCALL_END-PAGE_SIZE) -#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) -#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) + +#define FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) +#define FIXADDR_BOOT_START (FIXADDR_TOP - FIXADDR_BOOT_SIZE) /* Only covers 32bit vsyscalls currently. Need another set for 64bit. */ #define FIXADDR_USER_START ((unsigned long)VSYSCALL32_VSYSCALL) -- 1.5.6.4
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