x86/tlb: Restrict access to tlbstate

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Hide tlbstate, flush_tlb_info and related helpers when tlbflush.h is
included from a module. Modules have absolutely no business with these
internals.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200421092600.328438734@linutronix.de

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Thomas Gleixner 2020-04-21 11:20:43 +02:00 • committed by Borislav Petkov

parent 8a29204f3e

commit bfe3d8f631

2 changed files with 49 additions and 48 deletions

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96

arch/x86/include/asm/tlbflush.h

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1

arch/x86/mm/init.c

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