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11fdf97a3c
This extracts the call to prepare_level4() into a top-level function that the user of the pagetable.c interface must call to initialize the new page tables. For clarity and to match the "finalize" function, it has been renamed to initialize_identity_maps(). This function also gains the initialization of mapping_info so we don't have to do it each time in add_identity_map(). Additionally add copyright notice to the top, to make it clear that the bulk of the pagetable.c code was written by Yinghai, and that I just added bugs later. :) Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Baoquan He <bhe@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: H.J. Lu <hjl.tools@gmail.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Yinghai Lu <yinghai@kernel.org> Link: http://lkml.kernel.org/r/1464216334-17200-3-git-send-email-keescook@chromium.org Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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