diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-09-21 12:51:27 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-09-21 12:51:42 +0200 |
commit | ae82bfd61ca7e57cc2d914add9ab0873e260f2f5 (patch) | |
tree | a7f862ad8b0ae4f2e8953e6aa613eb702b484ecf /arch/ia64/kernel/machine_kexec.c | |
parent | cd74c86bdf705f824d494a2bbda393d1d562b40a (diff) | |
parent | ebc79c4f8da0f92efa968e0328f32334a2ce80cf (diff) |
Merge branch 'linus' into perfcounters/rename
Merge reason: pull in all the latest code before doing the rename.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/ia64/kernel/machine_kexec.c')
-rw-r--r-- | arch/ia64/kernel/machine_kexec.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c index 0823de1f6eb..3d3aeef4694 100644 --- a/arch/ia64/kernel/machine_kexec.c +++ b/arch/ia64/kernel/machine_kexec.c @@ -24,6 +24,8 @@ #include <asm/delay.h> #include <asm/meminit.h> #include <asm/processor.h> +#include <asm/sal.h> +#include <asm/mca.h> typedef NORET_TYPE void (*relocate_new_kernel_t)( unsigned long indirection_page, @@ -85,13 +87,26 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg) void *pal_addr = efi_get_pal_addr(); unsigned long code_addr = (unsigned long)page_address(image->control_code_page); int ii; + u64 fp, gp; + ia64_fptr_t *init_handler = (ia64_fptr_t *)ia64_os_init_on_kdump; BUG_ON(!image); if (image->type == KEXEC_TYPE_CRASH) { crash_save_this_cpu(); current->thread.ksp = (__u64)info->sw - 16; + + /* Register noop init handler */ + fp = ia64_tpa(init_handler->fp); + gp = ia64_tpa(ia64_getreg(_IA64_REG_GP)); + ia64_sal_set_vectors(SAL_VECTOR_OS_INIT, fp, gp, 0, fp, gp, 0); + } else { + /* Unregister init handlers of current kernel */ + ia64_sal_set_vectors(SAL_VECTOR_OS_INIT, 0, 0, 0, 0, 0, 0); } + /* Unregister mca handler - No more recovery on current kernel */ + ia64_sal_set_vectors(SAL_VECTOR_OS_MCA, 0, 0, 0, 0, 0, 0); + /* Interrupts aren't acceptable while we reboot */ local_irq_disable(); |