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-rw-r--r--arch/ia64/kernel/machine_kexec.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index 0823de1f6ebe..3d3aeef46947 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -24,6 +24,8 @@
24#include <asm/delay.h> 24#include <asm/delay.h>
25#include <asm/meminit.h> 25#include <asm/meminit.h>
26#include <asm/processor.h> 26#include <asm/processor.h>
27#include <asm/sal.h>
28#include <asm/mca.h>
27 29
28typedef NORET_TYPE void (*relocate_new_kernel_t)( 30typedef NORET_TYPE void (*relocate_new_kernel_t)(
29 unsigned long indirection_page, 31 unsigned long indirection_page,
@@ -85,13 +87,26 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
85 void *pal_addr = efi_get_pal_addr(); 87 void *pal_addr = efi_get_pal_addr();
86 unsigned long code_addr = (unsigned long)page_address(image->control_code_page); 88 unsigned long code_addr = (unsigned long)page_address(image->control_code_page);
87 int ii; 89 int ii;
90 u64 fp, gp;
91 ia64_fptr_t *init_handler = (ia64_fptr_t *)ia64_os_init_on_kdump;
88 92
89 BUG_ON(!image); 93 BUG_ON(!image);
90 if (image->type == KEXEC_TYPE_CRASH) { 94 if (image->type == KEXEC_TYPE_CRASH) {
91 crash_save_this_cpu(); 95 crash_save_this_cpu();
92 current->thread.ksp = (__u64)info->sw - 16; 96 current->thread.ksp = (__u64)info->sw - 16;
97
98 /* Register noop init handler */
99 fp = ia64_tpa(init_handler->fp);
100 gp = ia64_tpa(ia64_getreg(_IA64_REG_GP));
101 ia64_sal_set_vectors(SAL_VECTOR_OS_INIT, fp, gp, 0, fp, gp, 0);
102 } else {
103 /* Unregister init handlers of current kernel */
104 ia64_sal_set_vectors(SAL_VECTOR_OS_INIT, 0, 0, 0, 0, 0, 0);
93 } 105 }
94 106
107 /* Unregister mca handler - No more recovery on current kernel */
108 ia64_sal_set_vectors(SAL_VECTOR_OS_MCA, 0, 0, 0, 0, 0, 0);
109
95 /* Interrupts aren't acceptable while we reboot */ 110 /* Interrupts aren't acceptable while we reboot */
96 local_irq_disable(); 111 local_irq_disable();
97 112