On Tue, May 03, 2016 at 01:48:08PM +0200, Alexander Gordeev wrote:
> Cc: Andrew Jones <drjones@xxxxxxxxxx>
> Cc: Thomas Huth <thuth@xxxxxxxxxx>
> Cc: Radim Krčmář <rkrcmar@xxxxxxxxxx>
> Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
> ---
> lib/x86/asm/page.h | 10 +++++++++-
> x86/access.c | 4 +---
> x86/vmx.h | 2 +-
> 3 files changed, 11 insertions(+), 5 deletions(-)
Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
>
> diff --git a/lib/x86/asm/page.h b/lib/x86/asm/page.h
> index d4580b4..916462d 100644
> --- a/lib/x86/asm/page.h
> +++ b/lib/x86/asm/page.h
> @@ -7,7 +7,14 @@
> */
>
>
> -#define PAGE_SIZE 4096ul
> +#include <linux/const.h>
> +
> +#define PAGE_SHIFT 12
> +#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
> +#define PAGE_MASK (~(PAGE_SIZE-1))
> +
> +#ifndef __ASSEMBLY__
> +
> #ifdef __x86_64__
> #define LARGE_PAGE_SIZE (512 * PAGE_SIZE)
> #else
> @@ -30,4 +37,5 @@
> #define PGDIR_MASK 1023
> #endif
>
> +#endif /* !__ASSEMBLY__ */
> #endif
> diff --git a/x86/access.c b/x86/access.c
> index 4acaee5..aaf805d 100644
> --- a/x86/access.c
> +++ b/x86/access.c
> @@ -2,6 +2,7 @@
> #include "libcflat.h"
> #include "desc.h"
> #include "processor.h"
> +#include "asm/page.h"
>
> #define smp_id() 0
>
> @@ -15,9 +16,6 @@ static int cpuid_7_ebx;
> static int cpuid_7_ecx;
> static int invalid_mask;
>
> -#define PAGE_SIZE ((pt_element_t)4096)
> -#define PAGE_MASK (~(PAGE_SIZE-1))
> -
> #define PT_BASE_ADDR_MASK ((pt_element_t)((((pt_element_t)1 << 40) - 1) & PAGE_MASK))
> #define PT_PSE_BASE_ADDR_MASK (PT_BASE_ADDR_MASK & ~(1ull << 21))
>
> diff --git a/x86/vmx.h b/x86/vmx.h
> index d6bc217..27f3451 100644
> --- a/x86/vmx.h
> +++ b/x86/vmx.h
> @@ -4,6 +4,7 @@
> #include "libcflat.h"
> #include "processor.h"
> #include "bitops.h"
> +#include "asm/page.h"
>
> struct vmcs {
> u32 revision_id; /* vmcs revision identifier */
> @@ -476,7 +477,6 @@ enum Ctrl1 {
> #define EPT_PGDIR_ENTRIES (1 << EPT_PGDIR_WIDTH)
> #define EPT_LEVEL_SHIFT(level) (((level)-1) * EPT_PGDIR_WIDTH + 12)
> #define EPT_ADDR_MASK GENMASK_ULL(51, 12)
> -#define PAGE_MASK (~(PAGE_SIZE-1))
> #define PAGE_MASK_2M (~(PAGE_SIZE_2M-1))
>
> #define EPT_VLT_RD 1
> --
> 1.8.3.1
>
> --
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