diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/kdump.h | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/machine_kexec_64.c | 9 | ||||
| -rw-r--r-- | arch/powerpc/kernel/misc_64.S | 9 |
3 files changed, 5 insertions, 19 deletions
diff --git a/arch/powerpc/include/asm/kdump.h b/arch/powerpc/include/asm/kdump.h index a503da9d56f3..821ed48c10ed 100644 --- a/arch/powerpc/include/asm/kdump.h +++ b/arch/powerpc/include/asm/kdump.h @@ -9,12 +9,6 @@ * Reserve to the end of the FWNMI area, see head_64.S */ #define KDUMP_RESERVE_LIMIT 0x10000 /* 64K */ -/* - * Used to differentiate between relocatable kdump kernel and other - * kernels - */ -#define KDUMP_SIGNATURE 0xfeed1234 - #ifdef CONFIG_CRASH_DUMP #define KDUMP_TRAMPOLINE_START 0x0100 diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index e6efec788c4d..3c4ca046e854 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -255,14 +255,11 @@ static union thread_union kexec_stack /* Our assembly helper, in kexec_stub.S */ extern NORET_TYPE void kexec_sequence(void *newstack, unsigned long start, void *image, void *control, - void (*clear_all)(void), - unsigned long kdump_flag) ATTRIB_NORET; + void (*clear_all)(void)) ATTRIB_NORET; /* too late to fail here */ void default_machine_kexec(struct kimage *image) { - unsigned long kdump_flag = 0; - /* prepare control code if any */ /* @@ -275,8 +272,6 @@ void default_machine_kexec(struct kimage *image) if (crashing_cpu == -1) kexec_prepare_cpus(); - else - kdump_flag = KDUMP_SIGNATURE; /* switch to a staticly allocated stack. Based on irq stack code. * XXX: the task struct will likely be invalid once we do the copy! @@ -289,7 +284,7 @@ void default_machine_kexec(struct kimage *image) */ kexec_sequence(&kexec_stack, image->start, image, page_address(image->control_code_page), - ppc_md.hpte_clear_all, kdump_flag); + ppc_md.hpte_clear_all); /* NOTREACHED */ } diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index a243fd072a77..3053fe5c62f2 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -611,12 +611,10 @@ real_mode: /* assume normal blr return */ /* - * kexec_sequence(newstack, start, image, control, clear_all(), kdump_flag) + * kexec_sequence(newstack, start, image, control, clear_all()) * * does the grungy work with stack switching and real mode switches * also does simple calls to other code - * - * kdump_flag says whether the next kernel should be a kdump kernel. */ _GLOBAL(kexec_sequence) @@ -649,7 +647,7 @@ _GLOBAL(kexec_sequence) mr r29,r5 /* image (virt) */ mr r28,r6 /* control, unused */ mr r27,r7 /* clear_all() fn desc */ - mr r26,r8 /* kdump flag */ + mr r26,r8 /* spare */ lhz r25,PACAHWCPUID(r13) /* get our phys cpu from paca */ /* disable interrupts, we are overwriting kernel data next */ @@ -711,6 +709,5 @@ _GLOBAL(kexec_sequence) mr r4,r30 # start, aka phys mem offset mtlr 4 li r5,0 - mr r6,r26 /* kdump_flag */ - blr /* image->start(physid, image->start, 0, kdump_flag); */ + blr /* image->start(physid, image->start, 0); */ #endif /* CONFIG_KEXEC */ |