Messages in this thread | | | Date | Fri, 8 Aug 2014 09:39:14 +0800 | From | "Yang,Wei" <> | Subject | Re: [PATCH v1] MIPS:KDUMP: set a right value to kexec_indirection_page variable |
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Ralf,
What do you think of this patch?
Thanks Wei On 08/04/2014 11:46 AM, Yang,Wei wrote: > ping. > > BR, > Wei > On 07/31/2014 07:42 PM, Wei.Yang@windriver.com wrote: >> From: Yang Wei <Wei.Yang@windriver.com> >> >> Since there is not indirection page in crash type, so the vaule of >> the head >> field of kimage structure is not equal to the address of indirection >> page but >> IND_DONE. so we have to set kexec_indirection_page variable to the >> address of >> the head field of image structure. >> >> Signed-off-by: Yang Wei <Wei.Yang@windriver.com> >> >> Hi Ralf, >> >> Please help me take a look at this patch, I have already >> verified it on Cavium 6100EVB board. >> >> Thanks >> Wei >> --- >> arch/mips/kernel/machine_kexec.c | 9 +++++++-- >> 1 file changed, 7 insertions(+), 2 deletions(-) >> >> diff --git a/arch/mips/kernel/machine_kexec.c >> b/arch/mips/kernel/machine_kexec.c >> index 992e184..531b70d 100644 >> --- a/arch/mips/kernel/machine_kexec.c >> +++ b/arch/mips/kernel/machine_kexec.c >> @@ -71,8 +71,13 @@ machine_kexec(struct kimage *image) >> kexec_start_address = >> (unsigned long) phys_to_virt(image->start); >> - kexec_indirection_page = >> - (unsigned long) phys_to_virt(image->head & PAGE_MASK); >> + if (image->type == KEXEC_TYPE_DEFAULT) { >> + kexec_indirection_page = >> + (unsigned long) phys_to_virt(image->head & PAGE_MASK); >> + } else { >> + kexec_indirection_page = (unsigned long)&image->head; >> + } >> + >> memcpy((void*)reboot_code_buffer, relocate_new_kernel, >> relocate_new_kernel_size); > > >
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