diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:45:15 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:45:15 +0100 |
commit | e1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (patch) | |
tree | bca1fcfef55b3e3e82c9a822b4ac6428fce2b419 /arch/powerpc/kernel/machine_kexec_64.c | |
parent | 2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 (diff) | |
parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
download | op-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.zip op-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.tar.gz |
Merge branch 'linus' into perfcounters/core
Conflicts:
fs/exec.c
include/linux/init_task.h
Simple context conflicts.
Diffstat (limited to 'arch/powerpc/kernel/machine_kexec_64.c')
-rw-r--r-- | arch/powerpc/kernel/machine_kexec_64.c | 78 |
1 files changed, 8 insertions, 70 deletions
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index 3c4ca04..49e705f 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -289,7 +289,7 @@ void default_machine_kexec(struct kimage *image) } /* Values we need to export to the second kernel via the device tree. */ -static unsigned long htab_base, kernel_end; +static unsigned long htab_base; static struct property htab_base_prop = { .name = "linux,htab-base", @@ -303,25 +303,20 @@ static struct property htab_size_prop = { .value = &htab_size_bytes, }; -static struct property kernel_end_prop = { - .name = "linux,kernel-end", - .length = sizeof(unsigned long), - .value = &kernel_end, -}; - -static void __init export_htab_values(void) +static int __init export_htab_values(void) { struct device_node *node; struct property *prop; + /* On machines with no htab htab_address is NULL */ + if (!htab_address) + return -ENODEV; + node = of_find_node_by_path("/chosen"); if (!node) - return; + return -ENODEV; /* remove any stale propertys so ours can be found */ - prop = of_find_property(node, kernel_end_prop.name, NULL); - if (prop) - prom_remove_property(node, prop); prop = of_find_property(node, htab_base_prop.name, NULL); if (prop) prom_remove_property(node, prop); @@ -329,68 +324,11 @@ static void __init export_htab_values(void) if (prop) prom_remove_property(node, prop); - /* information needed by userspace when using default_machine_kexec */ - kernel_end = __pa(_end); - prom_add_property(node, &kernel_end_prop); - - /* On machines with no htab htab_address is NULL */ - if (NULL == htab_address) - goto out; - htab_base = __pa(htab_address); prom_add_property(node, &htab_base_prop); prom_add_property(node, &htab_size_prop); - out: - of_node_put(node); -} - -static struct property crashk_base_prop = { - .name = "linux,crashkernel-base", - .length = sizeof(unsigned long), - .value = &crashk_res.start, -}; - -static unsigned long crashk_size; - -static struct property crashk_size_prop = { - .name = "linux,crashkernel-size", - .length = sizeof(unsigned long), - .value = &crashk_size, -}; - -static void __init export_crashk_values(void) -{ - struct device_node *node; - struct property *prop; - - node = of_find_node_by_path("/chosen"); - if (!node) - return; - - /* There might be existing crash kernel properties, but we can't - * be sure what's in them, so remove them. */ - prop = of_find_property(node, "linux,crashkernel-base", NULL); - if (prop) - prom_remove_property(node, prop); - - prop = of_find_property(node, "linux,crashkernel-size", NULL); - if (prop) - prom_remove_property(node, prop); - - if (crashk_res.start != 0) { - prom_add_property(node, &crashk_base_prop); - crashk_size = crashk_res.end - crashk_res.start + 1; - prom_add_property(node, &crashk_size_prop); - } - of_node_put(node); -} - -static int __init kexec_setup(void) -{ - export_htab_values(); - export_crashk_values(); return 0; } -__initcall(kexec_setup); +late_initcall(export_htab_values); |