openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[PATCH] ARM SMP: TLB implementations only affect local CPU 

The existing TLB flush implementations only have an effect on
the local CPU.  Prefix them with local_.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2005-06-28 13:40:39 +01:00 committed by Russell King
parent 99f95e5286 8b22c249e7
commit 603fff5442
1 changed files with 22 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
include/asm-arm/tlbflush.h
View File

@ -235,7 +235,7 @@ extern struct cpu_tlb_fns cpu_tlb;
#define tlb_flag(f) ((always_tlb_flags & (f)) || (__tlb_flag & possible_tlb_flags & (f)))
static inline void flush_tlb_all(void)
static inline void local_flush_tlb_all(void)
{
const int zero = 0;
const unsigned int __tlb_flag = __cpu_tlb_flags;
@ -253,7 +253,7 @@ static inline void flush_tlb_all(void)
asm("mcr%? p15, 0, %0, c8, c5, 0" : : "r" (zero));
}
static inline void flush_tlb_mm(struct mm_struct *mm)
static inline void local_flush_tlb_mm(struct mm_struct *mm)
{
const int zero = 0;
const int asid = ASID(mm);
@ -282,7 +282,7 @@ static inline void flush_tlb_mm(struct mm_struct *mm)
}
static inline void
flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
{
const int zero = 0;
const unsigned int __tlb_flag = __cpu_tlb_flags;
@ -313,7 +313,7 @@ flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
asm("mcr%? p15, 0, %0, c8, c5, 1" : : "r" (uaddr));
}
static inline void flush_tlb_kernel_page(unsigned long kaddr)
static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
{
const int zero = 0;
const unsigned int __tlb_flag = __cpu_tlb_flags;
@ -384,8 +384,24 @@ static inline void clean_pmd_entry(pmd_t *pmd)
/*
* Convert calls to our calling convention.
*/
#define flush_tlb_range(vma,start,end) __cpu_flush_user_tlb_range(start,end,vma)
#define flush_tlb_kernel_range(s,e) __cpu_flush_kern_tlb_range(s,e)
#define local_flush_tlb_range(vma,start,end) __cpu_flush_user_tlb_range(start,end,vma)
#define local_flush_tlb_kernel_range(s,e) __cpu_flush_kern_tlb_range(s,e)
#ifndef CONFIG_SMP
#define flush_tlb_all local_flush_tlb_all
#define flush_tlb_mm local_flush_tlb_mm
#define flush_tlb_page local_flush_tlb_page
#define flush_tlb_kernel_page local_flush_tlb_kernel_page
#define flush_tlb_range local_flush_tlb_range
#define flush_tlb_kernel_range local_flush_tlb_kernel_range
#else
extern void flush_tlb_all(void);
extern void flush_tlb_mm(struct mm_struct *mm);
extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr);
extern void flush_tlb_kernel_page(unsigned long kaddr);
extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
#endif
/*
* if PG_dcache_dirty is set for the page, we need to ensure that any