Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h
new file mode 100644
index 000000000..2963a2f5d
--- /dev/null
+++ b/arch/x86/include/asm/vdso.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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 */
+
+	unsigned long alt, alt_len;
+	unsigned long extable_base, extable_len;
+	const void *extable;
+
+	long sym_vvar_start;  /* Negative offset to the vvar area */
+
+	long sym_vvar_page;
+	long sym_pvclock_page;
+	long sym_hvclock_page;
+	long sym_timens_page;
+	long sym_VDSO32_NOTE_MASK;
+	long sym___kernel_sigreturn;
+	long sym___kernel_rt_sigreturn;
+	long sym___kernel_vsyscall;
+	long sym_int80_landing_pad;
+	long sym_vdso32_sigreturn_landing_pad;
+	long sym_vdso32_rt_sigreturn_landing_pad;
+};
+
+#ifdef CONFIG_X86_64
+extern const struct vdso_image vdso_image_64;
+#endif
+
+#ifdef CONFIG_X86_X32_ABI
+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);
+
+extern int map_vdso_once(const struct vdso_image *image, unsigned long addr);
+
+extern bool fixup_vdso_exception(struct pt_regs *regs, int trapnr,
+				 unsigned long error_code,
+				 unsigned long fault_addr);
+#endif /* __ASSEMBLER__ */
+
+#endif /* _ASM_X86_VDSO_H */