Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 33384
b: refs/heads/master
c: 47585d8
h: refs/heads/master
v: v3
  • Loading branch information
Michael Ellerman authored and Paul Mackerras committed Aug 17, 2006
1 parent 53e709c commit 5e9c3b7
Show file tree
Hide file tree
Showing 3 changed files with 57 additions and 57 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 90bdde362cc506173c1d18b8f516b18e5b228e96
refs/heads/master: 47585d8f5dea10dea49c948f1fb13ef7632409c7
56 changes: 56 additions & 0 deletions trunk/arch/powerpc/kernel/machine_kexec.c
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
#include <linux/reboot.h>
#include <linux/threads.h>
#include <asm/machdep.h>
#include <asm/lmb.h>

void machine_crash_shutdown(struct pt_regs *regs)
{
Expand Down Expand Up @@ -59,3 +60,58 @@ NORET_TYPE void machine_kexec(struct kimage *image)
}
for(;;);
}

static int __init early_parse_crashk(char *p)
{
unsigned long size;

if (!p)
return 1;

size = memparse(p, &p);

if (*p == '@')
crashk_res.start = memparse(p + 1, &p);
else
crashk_res.start = KDUMP_KERNELBASE;

crashk_res.end = crashk_res.start + size - 1;

return 0;
}
early_param("crashkernel", early_parse_crashk);

void __init reserve_crashkernel(void)
{
unsigned long size;

if (crashk_res.start == 0)
return;

/* We might have got these values via the command line or the
* device tree, either way sanitise them now. */

size = crashk_res.end - crashk_res.start + 1;

if (crashk_res.start != KDUMP_KERNELBASE)
printk("Crash kernel location must be 0x%x\n",
KDUMP_KERNELBASE);

crashk_res.start = KDUMP_KERNELBASE;
size = PAGE_ALIGN(size);
crashk_res.end = crashk_res.start + size - 1;

/* Crash kernel trumps memory limit */
if (memory_limit && memory_limit <= crashk_res.end) {
memory_limit = crashk_res.end + 1;
printk("Adjusted memory limit for crashkernel, now 0x%lx\n",
memory_limit);
}

lmb_reserve(crashk_res.start, size);
}

int overlaps_crashkernel(unsigned long start, unsigned long size)
{
return (start + size) > crashk_res.start && start <= crashk_res.end;
}
56 changes: 0 additions & 56 deletions trunk/arch/powerpc/kernel/machine_kexec_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@
#include <asm/machdep.h>
#include <asm/cacheflush.h>
#include <asm/paca.h>
#include <asm/lmb.h>
#include <asm/mmu.h>
#include <asm/sections.h> /* _end */
#include <asm/prom.h>
Expand Down Expand Up @@ -385,58 +384,3 @@ static int __init kexec_setup(void)
return 0;
}
__initcall(kexec_setup);

static int __init early_parse_crashk(char *p)
{
unsigned long size;

if (!p)
return 1;

size = memparse(p, &p);

if (*p == '@')
crashk_res.start = memparse(p + 1, &p);
else
crashk_res.start = KDUMP_KERNELBASE;

crashk_res.end = crashk_res.start + size - 1;

return 0;
}
early_param("crashkernel", early_parse_crashk);

void __init reserve_crashkernel(void)
{
unsigned long size;

if (crashk_res.start == 0)
return;

/* We might have got these values via the command line or the
* device tree, either way sanitise them now. */

size = crashk_res.end - crashk_res.start + 1;

if (crashk_res.start != KDUMP_KERNELBASE)
printk("Crash kernel location must be 0x%x\n",
KDUMP_KERNELBASE);

crashk_res.start = KDUMP_KERNELBASE;
size = PAGE_ALIGN(size);
crashk_res.end = crashk_res.start + size - 1;

/* Crash kernel trumps memory limit */
if (memory_limit && memory_limit <= crashk_res.end) {
memory_limit = crashk_res.end + 1;
printk("Adjusted memory limit for crashkernel, now 0x%lx\n",
memory_limit);
}

lmb_reserve(crashk_res.start, size);
}

int overlaps_crashkernel(unsigned long start, unsigned long size)
{
return (start + size) > crashk_res.start && start <= crashk_res.end;
}

0 comments on commit 5e9c3b7

Please sign in to comment.