ia64/linux-2.6.18-xen.hg

view include/asm-h8300/segment.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 #ifndef _H8300_SEGMENT_H
2 #define _H8300_SEGMENT_H
4 /* define constants */
5 #define USER_DATA (1)
6 #ifndef __USER_DS
7 #define __USER_DS (USER_DATA)
8 #endif
9 #define USER_PROGRAM (2)
10 #define SUPER_DATA (3)
11 #ifndef __KERNEL_DS
12 #define __KERNEL_DS (SUPER_DATA)
13 #endif
14 #define SUPER_PROGRAM (4)
16 #ifndef __ASSEMBLY__
18 typedef struct {
19 unsigned long seg;
20 } mm_segment_t;
22 #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
23 #define USER_DS MAKE_MM_SEG(__USER_DS)
24 #define KERNEL_DS MAKE_MM_SEG(__KERNEL_DS)
26 /*
27 * Get/set the SFC/DFC registers for MOVES instructions
28 */
30 static inline mm_segment_t get_fs(void)
31 {
32 return USER_DS;
33 }
35 static inline mm_segment_t get_ds(void)
36 {
37 /* return the supervisor data space code */
38 return KERNEL_DS;
39 }
41 static inline void set_fs(mm_segment_t val)
42 {
43 }
45 #define segment_eq(a,b) ((a).seg == (b).seg)
47 #endif /* __ASSEMBLY__ */
49 #endif /* _H8300_SEGMENT_H */