diff options
author | Andreas Herrmann <andreas.herrmann3@amd.com> | 2007-02-13 07:26:23 -0500 |
---|---|---|
committer | Andi Kleen <andi@basil.nowhere.org> | 2007-02-13 07:26:23 -0500 |
commit | 6c5806cae50717f31878d0da29109b10610ab862 (patch) | |
tree | 65dd7caf0b0767ccc5ac5d27c992bce00da8f353 /arch/i386/kernel/cpu/mtrr/mtrr.h | |
parent | 016d6f35803667ffbe3e7bba8b58a6b611fac998 (diff) |
[PATCH] i386: fix size_or_mask and size_and_mask
mtrr: fix size_or_mask and size_and_mask
This fixes two bugs in /proc/mtrr interface:
o If physical address size crosses the 44 bit boundary
size_or_mask is evaluated wrong.
o size_and_mask limits width of physical base
address for an MTRR to be less than 44 bits.
TBD: later patch had one more change, but I think that was bogus.
TBD: need to double check
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch/i386/kernel/cpu/mtrr/mtrr.h')
-rw-r--r-- | arch/i386/kernel/cpu/mtrr/mtrr.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/cpu/mtrr/mtrr.h b/arch/i386/kernel/cpu/mtrr/mtrr.h index d61ea9db6cfe..289dfe6030e3 100644 --- a/arch/i386/kernel/cpu/mtrr/mtrr.h +++ b/arch/i386/kernel/cpu/mtrr/mtrr.h | |||
@@ -84,7 +84,7 @@ void get_mtrr_state(void); | |||
84 | 84 | ||
85 | extern void set_mtrr_ops(struct mtrr_ops * ops); | 85 | extern void set_mtrr_ops(struct mtrr_ops * ops); |
86 | 86 | ||
87 | extern u32 size_or_mask, size_and_mask; | 87 | extern u64 size_or_mask, size_and_mask; |
88 | extern struct mtrr_ops * mtrr_if; | 88 | extern struct mtrr_ops * mtrr_if; |
89 | 89 | ||
90 | #define is_cpu(vnd) (mtrr_if && mtrr_if->vendor == X86_VENDOR_##vnd) | 90 | #define is_cpu(vnd) (mtrr_if && mtrr_if->vendor == X86_VENDOR_##vnd) |