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

From: Borislav Petkov
Date: Thu Sep 27 2018 - 09:17:41 EST


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.

> +#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?

--
Regards/Gruss,
Boris.

SUSE Linux GmbH, GF: Felix ImendÃrffer, Jane Smithard, Graham Norton, HRB 21284 (AG NÃrnberg)