linux/arch/x86/include/asm/tlb.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_TLB_H
#define _ASM_X86_TLB_H

#define tlb_flush
static inline void tlb_flush(struct mmu_gather *tlb);

#include <asm-generic/tlb.h>

static inline void tlb_flush(struct mmu_gather *tlb)
{}

/*
 * While x86 architecture in general requires an IPI to perform TLB
 * shootdown, enablement code for several hypervisors overrides
 * .flush_tlb_others hook in pv_mmu_ops and implements it by issuing
 * a hypercall. To keep software pagetable walkers safe in this case we
 * switch to RCU based table free (MMU_GATHER_RCU_TABLE_FREE). See the comment
 * below 'ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE' in include/asm-generic/tlb.h
 * for more details.
 */
static inline void __tlb_remove_table(void *table)
{}

#endif /* _ASM_X86_TLB_H */