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32fcefa2bf
This patch clears up trampoline memory and copies trampoline code in place. It's not yet used though. Tested-by: Borislav Petkov <bp@suse.de> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Eric Biederman <ebiederm@xmission.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Juergen Gross <jgross@suse.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20180226180451.86788-5-kirill.shutemov@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
21 lines
495 B
C
21 lines
495 B
C
#ifndef BOOT_COMPRESSED_PAGETABLE_H
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#define BOOT_COMPRESSED_PAGETABLE_H
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#define TRAMPOLINE_32BIT_SIZE (2 * PAGE_SIZE)
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#define TRAMPOLINE_32BIT_PGTABLE_OFFSET 0
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#define TRAMPOLINE_32BIT_CODE_OFFSET PAGE_SIZE
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#define TRAMPOLINE_32BIT_CODE_SIZE 0x60
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#define TRAMPOLINE_32BIT_STACK_END TRAMPOLINE_32BIT_SIZE
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#ifndef __ASSEMBLER__
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extern unsigned long *trampoline_32bit;
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extern void trampoline_32bit_src(void *return_ptr);
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#endif /* __ASSEMBLER__ */
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#endif /* BOOT_COMPRESSED_PAGETABLE_H */
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