diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-02-15 09:25:08 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-02-15 09:25:08 -0800 |
| commit | 0da3e7f526fde7a6522a3038b7ce609fc50f6707 (patch) | |
| tree | c6e2dacd96fe7eac8312f3d7c22e0995dc423879 /kernel/kexec.c | |
| parent | 95c9608478d639dcffc14ea47b31bff021a99ed1 (diff) | |
| parent | 68d00bbebb5a48b7a9056a8c03476a71ecbc30a6 (diff) | |
Merge branch 'x86/mm2' into x86/mm
x86/mm2 is testing out fine, but has developed conflicts with x86/mm
due to patches in adjacent code. Merge them so we can drop x86/mm2
and have a unified branch.
Resolved Conflicts:
arch/x86/kernel/setup.c
Diffstat (limited to 'kernel/kexec.c')
| -rw-r--r-- | kernel/kexec.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c index 5e4bd7864c5..2436ffcec91 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -54,6 +54,12 @@ struct resource crashk_res = { .end = 0, .flags = IORESOURCE_BUSY | IORESOURCE_MEM }; +struct resource crashk_low_res = { + .name = "Crash kernel low", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_MEM +}; int kexec_should_crash(struct task_struct *p) { @@ -1369,10 +1375,11 @@ static int __init parse_crashkernel_simple(char *cmdline, * That function is the entry point for command line parsing and should be * called from the arch-specific code. */ -int __init parse_crashkernel(char *cmdline, +static int __init __parse_crashkernel(char *cmdline, unsigned long long system_ram, unsigned long long *crash_size, - unsigned long long *crash_base) + unsigned long long *crash_base, + const char *name) { char *p = cmdline, *ck_cmdline = NULL; char *first_colon, *first_space; @@ -1382,16 +1389,16 @@ int __init parse_crashkernel(char *cmdline, *crash_base = 0; /* find crashkernel and use the last one if there are more */ - p = strstr(p, "crashkernel="); + p = strstr(p, name); while (p) { ck_cmdline = p; - p = strstr(p+1, "crashkernel="); + p = strstr(p+1, name); } if (!ck_cmdline) return -EINVAL; - ck_cmdline += 12; /* strlen("crashkernel=") */ + ck_cmdline += strlen(name); /* * if the commandline contains a ':', then that's the extended @@ -1409,6 +1416,23 @@ int __init parse_crashkernel(char *cmdline, return 0; } +int __init parse_crashkernel(char *cmdline, + unsigned long long system_ram, + unsigned long long *crash_size, + unsigned long long *crash_base) +{ + return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base, + "crashkernel="); +} + +int __init parse_crashkernel_low(char *cmdline, + unsigned long long system_ram, + unsigned long long *crash_size, + unsigned long long *crash_base) +{ + return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base, + "crashkernel_low="); +} static void update_vmcoreinfo_note(void) { |