diff options
Diffstat (limited to 'arch/powerpc/kexec/core.c')
| -rw-r--r-- | arch/powerpc/kexec/core.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/arch/powerpc/kexec/core.c b/arch/powerpc/kexec/core.c index d1a2d755381c..f86a6fc11e91 100644 --- a/arch/powerpc/kexec/core.c +++ b/arch/powerpc/kexec/core.c @@ -22,6 +22,9 @@ #include <asm/setup.h> #include <asm/firmware.h> +#define cpu_to_be_ulong __PASTE(cpu_to_be, BITS_PER_LONG) +#define __be_word __PASTE(__be, BITS_PER_LONG) + #ifdef CONFIG_CRASH_DUMP void machine_crash_shutdown(struct pt_regs *regs) { @@ -136,37 +139,28 @@ int __init overlaps_crashkernel(unsigned long start, unsigned long size) } /* Values we need to export to the second kernel via the device tree. */ -static phys_addr_t kernel_end; -static phys_addr_t crashk_base; -static phys_addr_t crashk_size; -static unsigned long long mem_limit; - -static struct property kernel_end_prop = { - .name = "linux,kernel-end", - .length = sizeof(phys_addr_t), - .value = &kernel_end, -}; +static __be_word crashk_base; +static __be_word crashk_size; +static __be_word mem_limit; static struct property crashk_base_prop = { .name = "linux,crashkernel-base", - .length = sizeof(phys_addr_t), + .length = sizeof(__be_word), .value = &crashk_base }; static struct property crashk_size_prop = { .name = "linux,crashkernel-size", - .length = sizeof(phys_addr_t), + .length = sizeof(__be_word), .value = &crashk_size, }; static struct property memory_limit_prop = { .name = "linux,memory-limit", - .length = sizeof(unsigned long long), + .length = sizeof(__be_word), .value = &mem_limit, }; -#define cpu_to_be_ulong __PASTE(cpu_to_be, BITS_PER_LONG) - static void __init export_crashk_values(struct device_node *node) { /* There might be existing crash kernel properties, but we can't @@ -190,6 +184,15 @@ static void __init export_crashk_values(struct device_node *node) mem_limit = cpu_to_be_ulong(memory_limit); of_update_property(node, &memory_limit_prop); } +#endif /* CONFIG_CRASH_RESERVE */ + +static __be_word kernel_end; + +static struct property kernel_end_prop = { + .name = "linux,kernel-end", + .length = sizeof(__be_word), + .value = &kernel_end, +}; static int __init kexec_setup(void) { @@ -200,16 +203,17 @@ static int __init kexec_setup(void) return -ENOENT; /* remove any stale properties so ours can be found */ - of_remove_property(node, of_find_property(node, kernel_end_prop.name, NULL)); + of_remove_property(node, of_find_property(node, kernel_end_prop.name, + NULL)); /* information needed by userspace when using default_machine_kexec */ kernel_end = cpu_to_be_ulong(__pa(_end)); of_add_property(node, &kernel_end_prop); +#ifdef CONFIG_CRASH_RESERVE export_crashk_values(node); - +#endif of_node_put(node); return 0; } late_initcall(kexec_setup); -#endif /* CONFIG_CRASH_RESERVE */ |
