Re: [PATCH v7 RESEND 1/4] x86/ioremap: add a function ioremap_encrypted() to remap kdump old memory

From: lijiang
Date: Thu Sep 27 2018 - 10:54:07 EST


å 2018å09æ27æ 21:17, Borislav Petkov åé:
> On Thu, Sep 27, 2018 at 03:19:51PM +0800, Lianbo Jiang wrote:
>> diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
>> index 6de64840dd22..f8795f9581c7 100644
>> --- a/arch/x86/include/asm/io.h
>> +++ b/arch/x86/include/asm/io.h
>> @@ -192,6 +192,9 @@ extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size);
>> #define ioremap_cache ioremap_cache
>> extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, unsigned long prot_val);
>> #define ioremap_prot ioremap_prot
>> +extern void __iomem *ioremap_encrypted(resource_size_t phys_addr,
>> + unsigned long size);
>
> No need to break this line - see how the other externs don't.
>
Ok, i will fix it.

If no need to break this line, it will cause a warning of exceeding 80 characters per line.

>> +#define ioremap_encrypted ioremap_encrypted
>>
>> /**
>> * ioremap - map bus memory into CPU space
>> diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
>> index c63a545ec199..e01e6c695add 100644
>> --- a/arch/x86/mm/ioremap.c
>> +++ b/arch/x86/mm/ioremap.c
>> @@ -24,6 +24,7 @@
>> #include <asm/pgalloc.h>
>> #include <asm/pat.h>
>> #include <asm/setup.h>
>> +#include <linux/crash_dump.h>
>
> What is that include for and why is it not up there with the <linux/...
> includes instead here with the <asm/..> ones?
>
Thank you for pointing out this issue, i forgot to remove this header file.

I will get rid of this header file and post this patch again.

Regards,
Lianbo