diff options
Diffstat (limited to 'arch/ia64/kernel/setup.c')
| -rw-r--r-- | arch/ia64/kernel/setup.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 14e1200..ad567b8 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -256,7 +256,7 @@ reserve_memory (void) #ifdef CONFIG_KEXEC /* crashkernel=size@offset specifies the size to reserve for a crash - * kernel.(offset is ingored for keep compatibility with other archs) + * kernel. If offset is 0, then it is determined automatically. * By reserving this memory we guarantee that linux never set's it * up as a DMA target.Useful for holding code to do something * appropriate after a kernel panic. @@ -266,10 +266,16 @@ reserve_memory (void) unsigned long base, size; if (from) { size = memparse(from + 12, &from); + if (*from == '@') + base = memparse(from+1, &from); + else + base = 0; if (size) { - sort_regions(rsvd_region, n); - base = kdump_find_rsvd_region(size, - rsvd_region, n); + if (!base) { + sort_regions(rsvd_region, n); + base = kdump_find_rsvd_region(size, + rsvd_region, n); + } if (base != ~0UL) { rsvd_region[n].start = (unsigned long)__va(base); @@ -434,6 +440,21 @@ static __init int setup_nomca(char *s) } early_param("nomca", setup_nomca); +#ifdef CONFIG_PROC_VMCORE +/* elfcorehdr= specifies the location of elf core header + * stored by the crashed kernel. + */ +static int __init parse_elfcorehdr(char *arg) +{ + if (!arg) + return -EINVAL; + + elfcorehdr_addr = memparse(arg, &arg); + return 0; +} +early_param("elfcorehdr", parse_elfcorehdr); +#endif /* CONFIG_PROC_VMCORE */ + void __init setup_arch (char **cmdline_p) { @@ -653,6 +674,7 @@ get_model_name(__u8 family, __u8 model) { char brand[128]; + memcpy(brand, "Unknown", 8); if (ia64_pal_get_brand_info(brand)) { if (family == 0x7) memcpy(brand, "Merced", 7); @@ -660,8 +682,7 @@ get_model_name(__u8 family, __u8 model) case 0: memcpy(brand, "McKinley", 9); break; case 1: memcpy(brand, "Madison", 8); break; case 2: memcpy(brand, "Madison up to 9M cache", 23); break; - } else - memcpy(brand, "Unknown", 8); + } } if (brandname[0] == '\0') return strcpy(brandname, brand); |