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x86/mm: Include spinlock_t definition in pgtable.

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This header file provides forward declartion for pgd_lock but does not
include the header defining its type. This works since the definition of
spinlock_t is usually included somehow via printk.

By trying to avoid recursive includes on PREEMPT_RT I avoided the loop
in printk and as a consequnce kernel/intel.c failed to compile due to
missing type definition.

Include the needed definition for spinlock_t.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20211129174654.668506-11-bigeasy@linutronix.de
This commit is contained in:
Sebastian Andrzej Siewior 2021-11-29 18:46:53 +01:00 committed by Peter Zijlstra
parent 4cf75fd4a2
commit 0cf292b569
1 changed files with 1 additions and 0 deletions
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arch/x86/include/asm/pgtable.h
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@ -22,6 +22,7 @@
#define pgprot_decrypted(prot) __pgprot(__sme_clr(pgprot_val(prot)))
#ifndef __ASSEMBLY__
#include <linux/spinlock.h>
#include <asm/x86_init.h>
#include <asm/pkru.h>
#include <asm/fpu/api.h>