diff options
author | Paul Mackerras <paulus@samba.org> | 2006-08-25 00:56:07 -0400 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2006-08-25 00:56:07 -0400 |
commit | ea0763a7e62f60f3e166327268a80f16ad806718 (patch) | |
tree | de54ec5e5d5a49b3cba81b096b7572852aa6f5a9 /arch/powerpc/kernel/machine_kexec_64.c | |
parent | 271c511db9d37d6797745adb1f151a8bd2838c6f (diff) | |
parent | c85c41ad73c6db4cf4cc98c595cc5e2fdbdb53d5 (diff) |
Merge branch 'merge'
Diffstat (limited to 'arch/powerpc/kernel/machine_kexec_64.c')
-rw-r--r-- | arch/powerpc/kernel/machine_kexec_64.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index 4efdaa9d3f43..a24b09c27718 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c | |||
@@ -10,7 +10,6 @@ | |||
10 | */ | 10 | */ |
11 | 11 | ||
12 | 12 | ||
13 | #include <linux/cpumask.h> | ||
14 | #include <linux/kexec.h> | 13 | #include <linux/kexec.h> |
15 | #include <linux/smp.h> | 14 | #include <linux/smp.h> |
16 | #include <linux/thread_info.h> | 15 | #include <linux/thread_info.h> |
@@ -21,7 +20,6 @@ | |||
21 | #include <asm/machdep.h> | 20 | #include <asm/machdep.h> |
22 | #include <asm/cacheflush.h> | 21 | #include <asm/cacheflush.h> |
23 | #include <asm/paca.h> | 22 | #include <asm/paca.h> |
24 | #include <asm/lmb.h> | ||
25 | #include <asm/mmu.h> | 23 | #include <asm/mmu.h> |
26 | #include <asm/sections.h> /* _end */ | 24 | #include <asm/sections.h> /* _end */ |
27 | #include <asm/prom.h> | 25 | #include <asm/prom.h> |
@@ -383,58 +381,3 @@ static int __init kexec_setup(void) | |||
383 | return 0; | 381 | return 0; |
384 | } | 382 | } |
385 | __initcall(kexec_setup); | 383 | __initcall(kexec_setup); |
386 | |||
387 | static int __init early_parse_crashk(char *p) | ||
388 | { | ||
389 | unsigned long size; | ||
390 | |||
391 | if (!p) | ||
392 | return 1; | ||
393 | |||
394 | size = memparse(p, &p); | ||
395 | |||
396 | if (*p == '@') | ||
397 | crashk_res.start = memparse(p + 1, &p); | ||
398 | else | ||
399 | crashk_res.start = KDUMP_KERNELBASE; | ||
400 | |||
401 | crashk_res.end = crashk_res.start + size - 1; | ||
402 | |||
403 | return 0; | ||
404 | } | ||
405 | early_param("crashkernel", early_parse_crashk); | ||
406 | |||
407 | void __init reserve_crashkernel(void) | ||
408 | { | ||
409 | unsigned long size; | ||
410 | |||
411 | if (crashk_res.start == 0) | ||
412 | return; | ||
413 | |||
414 | /* We might have got these values via the command line or the | ||
415 | * device tree, either way sanitise them now. */ | ||
416 | |||
417 | size = crashk_res.end - crashk_res.start + 1; | ||
418 | |||
419 | if (crashk_res.start != KDUMP_KERNELBASE) | ||
420 | printk("Crash kernel location must be 0x%x\n", | ||
421 | KDUMP_KERNELBASE); | ||
422 | |||
423 | crashk_res.start = KDUMP_KERNELBASE; | ||
424 | size = PAGE_ALIGN(size); | ||
425 | crashk_res.end = crashk_res.start + size - 1; | ||
426 | |||
427 | /* Crash kernel trumps memory limit */ | ||
428 | if (memory_limit && memory_limit <= crashk_res.end) { | ||
429 | memory_limit = crashk_res.end + 1; | ||
430 | printk("Adjusted memory limit for crashkernel, now 0x%lx\n", | ||
431 | memory_limit); | ||
432 | } | ||
433 | |||
434 | lmb_reserve(crashk_res.start, size); | ||
435 | } | ||
436 | |||
437 | int overlaps_crashkernel(unsigned long start, unsigned long size) | ||
438 | { | ||
439 | return (start + size) > crashk_res.start && start <= crashk_res.end; | ||
440 | } | ||