linux_dsm_epyc7002/arch/x86/include/asm/vdso.h
Andy Lutomirski dac16fba6f x86/vdso: Get pvclock data from the vvar VMA instead of the fixmap
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/9d37826fdc7e2d2809efe31d5345f97186859284.1449702533.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-12-11 08:56:03 +01:00

50 lines
1.1 KiB
C

#ifndef _ASM_X86_VDSO_H
#define _ASM_X86_VDSO_H
#include <asm/page_types.h>
#include <linux/linkage.h>
#include <linux/init.h>
#ifndef __ASSEMBLER__
#include <linux/mm_types.h>
struct vdso_image {
void *data;
unsigned long size; /* Always a multiple of PAGE_SIZE */
/* text_mapping.pages is big enough for data/size page pointers */
struct vm_special_mapping text_mapping;
unsigned long alt, alt_len;
long sym_vvar_start; /* Negative offset to the vvar area */
long sym_vvar_page;
long sym_hpet_page;
long sym_pvclock_page;
long sym_VDSO32_NOTE_MASK;
long sym___kernel_sigreturn;
long sym___kernel_rt_sigreturn;
long sym___kernel_vsyscall;
long sym_int80_landing_pad;
};
#ifdef CONFIG_X86_64
extern const struct vdso_image vdso_image_64;
#endif
#ifdef CONFIG_X86_X32
extern const struct vdso_image vdso_image_x32;
#endif
#if defined CONFIG_X86_32 || defined CONFIG_COMPAT
extern const struct vdso_image vdso_image_32;
#endif
extern void __init init_vdso_image(const struct vdso_image *image);
#endif /* __ASSEMBLER__ */
#endif /* _ASM_X86_VDSO_H */