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2ce8043b1d
Replace the open-coded ifdefs in C sources files with IS_ENABLED(). This makes the code easier to read and enables the compiler to typecheck also the disabled parts, before optimizing them away. To make this work, also remove the ifdefs from declarations of used variables. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Andrew Cooper <andrew.cooper3@citrix.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Brian Gerst <brgerst@gmail.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Juergen Gross <jgross@suse.com> Cc: Kees Cook <kees@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@surriel.com> Link: https://lore.kernel.org/r/20240910-x86-vdso-ifdef-v1-1-877c9df9b081@linutronix.de
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_VDSO_H
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#define _ASM_X86_VDSO_H
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#include <asm/page_types.h>
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#include <linux/linkage.h>
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#include <linux/init.h>
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#ifndef __ASSEMBLER__
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#include <linux/mm_types.h>
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struct vdso_image {
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void *data;
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unsigned long size; /* Always a multiple of PAGE_SIZE */
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unsigned long alt, alt_len;
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unsigned long extable_base, extable_len;
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const void *extable;
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long sym_VDSO32_NOTE_MASK;
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long sym___kernel_sigreturn;
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long sym___kernel_rt_sigreturn;
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long sym___kernel_vsyscall;
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long sym_int80_landing_pad;
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long sym_vdso32_sigreturn_landing_pad;
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long sym_vdso32_rt_sigreturn_landing_pad;
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};
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extern const struct vdso_image vdso_image_64;
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extern const struct vdso_image vdso_image_x32;
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extern const struct vdso_image vdso_image_32;
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extern int __init init_vdso_image(const struct vdso_image *image);
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extern int map_vdso_once(const struct vdso_image *image, unsigned long addr);
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extern bool fixup_vdso_exception(struct pt_regs *regs, int trapnr,
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unsigned long error_code,
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unsigned long fault_addr);
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#endif /* __ASSEMBLER__ */
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#endif /* _ASM_X86_VDSO_H */
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