diff options
-rw-r--r-- | arch/ppc/kernel/machine_kexec.c | 2 | ||||
-rw-r--r-- | include/asm-powerpc/kexec.h | 49 | ||||
-rw-r--r-- | include/asm-ppc/kexec.h | 40 | ||||
-rw-r--r-- | include/asm-ppc64/kexec.h | 41 |
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 | */ |
35 | void *crash_notes = NULL; | 35 | note_buf_t crash_notes[NR_CPUS]; |
36 | 36 | ||
37 | void machine_shutdown(void) | 37 | void 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 | ||
36 | typedef u32 note_buf_t[MAX_NOTE_BYTES / sizeof(u32)]; | ||
37 | |||
38 | extern note_buf_t crash_notes[]; | ||
39 | |||
40 | #ifdef __powerpc64__ | ||
41 | extern void kexec_smp_wait(void); /* get and clear naca physid, wait for | ||
42 | master to copy new code to 0 */ | ||
43 | #else | ||
44 | struct kimage; | ||
45 | extern 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 | |||
30 | extern void *crash_notes; | ||
31 | |||
32 | struct kimage; | ||
33 | |||
34 | extern 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 | |||
32 | typedef u32 note_buf_t[MAX_NOTE_BYTES/4]; | ||
33 | |||
34 | extern note_buf_t crash_notes[]; | ||
35 | |||
36 | extern 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 | |||