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-rw-r--r--arch/ppc/kernel/machine_kexec.c2
-rw-r--r--include/asm-powerpc/kexec.h49
-rw-r--r--include/asm-ppc/kexec.h40
-rw-r--r--include/asm-ppc64/kexec.h41
4 files changed, 50 insertions, 82 deletions
diff --git a/arch/ppc/kernel/machine_kexec.c b/arch/ppc/kernel/machine_kexec.c
index a72787747df7..a882b0dbe8de 100644
--- a/arch/ppc/kernel/machine_kexec.c
+++ b/arch/ppc/kernel/machine_kexec.c
@@ -32,7 +32,7 @@ const extern unsigned int relocate_new_kernel_size;
32 * Provide a dummy crash_notes definition while crash dump arrives to ppc. 32 * Provide a dummy crash_notes definition while crash dump arrives to ppc.
33 * This prevents breakage of crash_notes attribute in kernel/ksysfs.c. 33 * This prevents breakage of crash_notes attribute in kernel/ksysfs.c.
34 */ 34 */
35void *crash_notes = NULL; 35note_buf_t crash_notes[NR_CPUS];
36 36
37void machine_shutdown(void) 37void machine_shutdown(void)
38{ 38{
diff --git a/include/asm-powerpc/kexec.h b/include/asm-powerpc/kexec.h
new file mode 100644
index 000000000000..062ab9ba68eb
--- /dev/null
+++ b/include/asm-powerpc/kexec.h
@@ -0,0 +1,49 @@
1#ifndef _ASM_POWERPC_KEXEC_H
2#define _ASM_POWERPC_KEXEC_H
3
4/*
5 * Maximum page that is mapped directly into kernel memory.
6 * XXX: Since we copy virt we can use any page we allocate
7 */
8#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
9
10/*
11 * Maximum address we can reach in physical address mode.
12 * XXX: I want to allow initrd in highmem. Otherwise set to rmo on LPAR.
13 */
14#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
15
16/* Maximum address we can use for the control code buffer */
17#ifdef __powerpc64__
18#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
19#else
20/* TASK_SIZE, probably left over from use_mm ?? */
21#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
22#endif
23
24#define KEXEC_CONTROL_CODE_SIZE 4096
25
26/* The native architecture */
27#ifdef __powerpc64__
28#define KEXEC_ARCH KEXEC_ARCH_PPC64
29#else
30#define KEXEC_ARCH KEXEC_ARCH_PPC
31#endif
32
33#ifndef __ASSEMBLY__
34
35#define MAX_NOTE_BYTES 1024
36typedef u32 note_buf_t[MAX_NOTE_BYTES / sizeof(u32)];
37
38extern note_buf_t crash_notes[];
39
40#ifdef __powerpc64__
41extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
42 master to copy new code to 0 */
43#else
44struct kimage;
45extern void machine_kexec_simple(struct kimage *image);
46#endif
47
48#endif /* ! __ASSEMBLY__ */
49#endif /* _ASM_POWERPC_KEXEC_H */
diff --git a/include/asm-ppc/kexec.h b/include/asm-ppc/kexec.h
deleted file mode 100644
index 6d2aa0aa4642..000000000000
--- a/include/asm-ppc/kexec.h
+++ /dev/null
@@ -1,40 +0,0 @@
1#ifndef _PPC_KEXEC_H
2#define _PPC_KEXEC_H
3
4#ifdef CONFIG_KEXEC
5
6/*
7 * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
8 * I.e. Maximum page that is mapped directly into kernel memory,
9 * and kmap is not required.
10 *
11 * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct
12 * calculation for the amount of memory directly mappable into the
13 * kernel memory space.
14 */
15
16/* Maximum physical address we can use pages from */
17#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
18/* Maximum address we can reach in physical address mode */
19#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
20/* Maximum address we can use for the control code buffer */
21#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
22
23#define KEXEC_CONTROL_CODE_SIZE 4096
24
25/* The native architecture */
26#define KEXEC_ARCH KEXEC_ARCH_PPC
27
28#ifndef __ASSEMBLY__
29
30extern void *crash_notes;
31
32struct kimage;
33
34extern void machine_kexec_simple(struct kimage *image);
35
36#endif /* __ASSEMBLY__ */
37
38#endif /* CONFIG_KEXEC */
39
40#endif /* _PPC_KEXEC_H */
diff --git a/include/asm-ppc64/kexec.h b/include/asm-ppc64/kexec.h
deleted file mode 100644
index 511908afaeeb..000000000000
--- a/include/asm-ppc64/kexec.h
+++ /dev/null
@@ -1,41 +0,0 @@
1#ifndef _PPC64_KEXEC_H
2#define _PPC64_KEXEC_H
3
4/*
5 * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
6 * I.e. Maximum page that is mapped directly into kernel memory,
7 * and kmap is not required.
8 */
9
10/* Maximum physical address we can use pages from */
11/* XXX: since we copy virt we can use any page we allocate */
12#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
13
14/* Maximum address we can reach in physical address mode */
15/* XXX: I want to allow initrd in highmem. otherwise set to rmo on lpar */
16#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
17
18/* Maximum address we can use for the control code buffer */
19/* XXX: unused today, ppc32 uses TASK_SIZE, probably left over from use_mm */
20#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
21
22/* XXX: today we don't use this at all, althogh we have a static stack */
23#define KEXEC_CONTROL_CODE_SIZE 4096
24
25/* The native architecture */
26#define KEXEC_ARCH KEXEC_ARCH_PPC64
27
28#define MAX_NOTE_BYTES 1024
29
30#ifndef __ASSEMBLY__
31
32typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
33
34extern note_buf_t crash_notes[];
35
36extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
37 master to copy new code to 0 */
38
39#endif /* __ASSEMBLY__ */
40#endif /* _PPC_KEXEC_H */
41