Convert crash_notes access to use cpu alloc.
Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
---
arch/ia64/kernel/crash.c | 2 +-
drivers/base/cpu.c | 2 +-
kernel/kexec.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
Index: linux-2.6/arch/ia64/kernel/crash.c
===================================================================
--- linux-2.6.orig/arch/ia64/kernel/crash.c 2008-05-28 17:25:23.000000000 -0700
+++ linux-2.6/arch/ia64/kernel/crash.c 2008-05-28 18:27:04.000000000 -0700
@@ -72,7 +72,7 @@
dst[46] = (unsigned long)ia64_rse_skip_regs((unsigned long *)dst[46],
sof - sol);
- buf = (u64 *) per_cpu_ptr(crash_notes, cpu);
+ buf = (u64 *) CPU_PTR(crash_notes, cpu);
if (!buf)
return;
buf = append_elf_note(buf, KEXEC_CORE_NOTE_NAME, NT_PRSTATUS, prstatus,
Index: linux-2.6/drivers/base/cpu.c
===================================================================
--- linux-2.6.orig/drivers/base/cpu.c 2008-05-28 17:25:23.000000000 -0700
+++ linux-2.6/drivers/base/cpu.c 2008-05-28 18:27:04.000000000 -0700
@@ -95,7 +95,7 @@
* boot up and this data does not change there after. Hence this
* operation should be safe. No locking required.
*/
- addr = __pa(per_cpu_ptr(crash_notes, cpunum));
+ addr = __pa(CPU_PTR(crash_notes, cpunum));
rc = sprintf(buf, "%Lx\n", addr);
return rc;
}
Index: linux-2.6/kernel/kexec.c
===================================================================
--- linux-2.6.orig/kernel/kexec.c 2008-05-28 17:25:23.000000000 -0700
+++ linux-2.6/kernel/kexec.c 2008-05-28 18:27:05.000000000 -0700
@@ -1121,7 +1121,7 @@
* squirrelled away. ELF notes happen to provide
* all of that, so there is no need to invent something new.
*/
- buf = (u32*)per_cpu_ptr(crash_notes, cpu);
+ buf = (u32 *)CPU_PTR(crash_notes, cpu);
if (!buf)
return;
memset(&prstatus, 0, sizeof(prstatus));
@@ -1135,7 +1135,7 @@
static int __init crash_notes_memory_init(void)
{
/* Allocate memory for saving cpu registers. */
- crash_notes = alloc_percpu(note_buf_t);
+ crash_notes = CPU_ALLOC(note_buf_t, GFP_KERNEL|__GFP_ZERO);
if (!crash_notes) {
printk("Kexec: Memory allocation for saving cpu register"
" states failed\n");
--
--
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