mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-29 07:04:10 +08:00
ff76e3d7c3
Fix build error when disable CONFIG_SMP:
mm/pgtable-generic.o: In function `.L19':
pgtable-generic.c:(.text+0x42): undefined reference to `flush_pmd_tlb_range'
mm/pgtable-generic.o: In function `pmdp_huge_clear_flush':
pgtable-generic.c:(.text+0x6c): undefined reference to `flush_pmd_tlb_range'
mm/pgtable-generic.o: In function `pmdp_invalidate':
pgtable-generic.c:(.text+0x162): undefined reference to `flush_pmd_tlb_range'
Fixes: e88b333142 ("riscv: mm: add THP support on 64-bit")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Bixuan Cui <cuibixuan@huawei.com>
Acked-by: Nanyong Sun <sunnanyong@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2009 Chen Liqin <liqin.chen@sunplusct.com>
|
|
* Copyright (C) 2012 Regents of the University of California
|
|
*/
|
|
|
|
#ifndef _ASM_RISCV_TLBFLUSH_H
|
|
#define _ASM_RISCV_TLBFLUSH_H
|
|
|
|
#include <linux/mm_types.h>
|
|
#include <asm/smp.h>
|
|
#include <asm/errata_list.h>
|
|
|
|
#ifdef CONFIG_MMU
|
|
static inline void local_flush_tlb_all(void)
|
|
{
|
|
__asm__ __volatile__ ("sfence.vma" : : : "memory");
|
|
}
|
|
|
|
/* Flush one page from local TLB */
|
|
static inline void local_flush_tlb_page(unsigned long addr)
|
|
{
|
|
ALT_FLUSH_TLB_PAGE(__asm__ __volatile__ ("sfence.vma %0" : : "r" (addr) : "memory"));
|
|
}
|
|
#else /* CONFIG_MMU */
|
|
#define local_flush_tlb_all() do { } while (0)
|
|
#define local_flush_tlb_page(addr) do { } while (0)
|
|
#endif /* CONFIG_MMU */
|
|
|
|
#if defined(CONFIG_SMP) && defined(CONFIG_MMU)
|
|
void flush_tlb_all(void);
|
|
void flush_tlb_mm(struct mm_struct *mm);
|
|
void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
|
|
void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
|
|
unsigned long end);
|
|
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
|
|
#define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
|
|
void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
|
|
unsigned long end);
|
|
#endif
|
|
#else /* CONFIG_SMP && CONFIG_MMU */
|
|
|
|
#define flush_tlb_all() local_flush_tlb_all()
|
|
#define flush_tlb_page(vma, addr) local_flush_tlb_page(addr)
|
|
|
|
static inline void flush_tlb_range(struct vm_area_struct *vma,
|
|
unsigned long start, unsigned long end)
|
|
{
|
|
local_flush_tlb_all();
|
|
}
|
|
|
|
#define flush_tlb_mm(mm) flush_tlb_all()
|
|
#endif /* !CONFIG_SMP || !CONFIG_MMU */
|
|
|
|
/* Flush a range of kernel pages */
|
|
static inline void flush_tlb_kernel_range(unsigned long start,
|
|
unsigned long end)
|
|
{
|
|
flush_tlb_all();
|
|
}
|
|
|
|
#endif /* _ASM_RISCV_TLBFLUSH_H */
|