diff options
Diffstat (limited to 'arch/x86/include/uapi/asm/mtrr.h')
| -rw-r--r-- | arch/x86/include/uapi/asm/mtrr.h | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/x86/include/uapi/asm/mtrr.h b/arch/x86/include/uapi/asm/mtrr.h index 7528dcf59691..3a8a8eb8ac3a 100644 --- a/arch/x86/include/uapi/asm/mtrr.h +++ b/arch/x86/include/uapi/asm/mtrr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */ /* Generic MTRR (Memory Type Range Register) ioctls. Copyright (C) 1997-1999 Richard Gooch @@ -80,14 +81,6 @@ typedef __u8 mtrr_type; #define MTRR_NUM_FIXED_RANGES 88 #define MTRR_MAX_VAR_RANGES 256 -struct mtrr_state_type { - struct mtrr_var_range var_ranges[MTRR_MAX_VAR_RANGES]; - mtrr_type fixed_ranges[MTRR_NUM_FIXED_RANGES]; - unsigned char enabled; - unsigned char have_fixed; - mtrr_type def_type; -}; - #define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg)) #define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1) @@ -114,9 +107,9 @@ struct mtrr_state_type { #define MTRR_NUM_TYPES 7 /* - * Invalid MTRR memory type. mtrr_type_lookup() returns this value when - * MTRRs are disabled. Note, this value is allocated from the reserved - * values (0x7-0xff) of the MTRR memory types. + * Invalid MTRR memory type. No longer used outside of MTRR code. + * Note, this value is allocated from the reserved values (0x7-0xff) of + * the MTRR memory types. */ #define MTRR_TYPE_INVALID 0xff |