| Server IP : 54.94.228.101 / Your IP : 172.28.1.13 Web Server : Apache System : Linux ip-172-28-29-189 6.5.0-1014-aws #14~22.04.1-Ubuntu SMP Thu Feb 15 15:27:06 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.2.34-43+ubuntu22.04.1+deb.sury.org+1 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /lib/modules/6.8.0-1042-aws/build/arch/riscv/include/asm/ |
Upload File : |
/* 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>
#define FLUSH_TLB_MAX_SIZE ((unsigned long)-1)
#define FLUSH_TLB_NO_ASID ((unsigned long)-1)
#ifdef CONFIG_MMU
extern unsigned long asid_mask;
static inline void local_flush_tlb_all(void)
{
__asm__ __volatile__ ("sfence.vma" : : : "memory");
}
static inline void local_flush_tlb_all_asid(unsigned long asid)
{
if (asid != FLUSH_TLB_NO_ASID)
ALT_SFENCE_VMA_ASID(asid);
else
local_flush_tlb_all();
}
/* Flush one page from local TLB */
static inline void local_flush_tlb_page(unsigned long addr)
{
ALT_SFENCE_VMA_ADDR(addr);
}
static inline void local_flush_tlb_page_asid(unsigned long addr,
unsigned long asid)
{
if (asid != FLUSH_TLB_NO_ASID)
ALT_SFENCE_VMA_ADDR_ASID(addr, asid);
else
local_flush_tlb_page(addr);
}
#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_mm_range(struct mm_struct *mm, unsigned long start,
unsigned long end, unsigned int page_size);
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);
void flush_tlb_kernel_range(unsigned long start, unsigned long end);
void local_flush_tlb_kernel_range(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
bool arch_tlbbatch_should_defer(struct mm_struct *mm);
void arch_tlbbatch_add_pending(struct arch_tlbflush_unmap_batch *batch,
struct mm_struct *mm,
unsigned long uaddr);
void arch_flush_tlb_batched_pending(struct mm_struct *mm);
void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch);
#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();
}
/* Flush a range of kernel pages */
static inline void flush_tlb_kernel_range(unsigned long start,
unsigned long end)
{
local_flush_tlb_all();
}
#define flush_tlb_mm(mm) flush_tlb_all()
#define flush_tlb_mm_range(mm, start, end, page_size) flush_tlb_all()
#define local_flush_tlb_kernel_range(start, end) flush_tlb_all()
#endif /* !CONFIG_SMP || !CONFIG_MMU */
#endif /* _ASM_RISCV_TLBFLUSH_H */