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sh: Update SH-5 flush_cache_sigtramp() for API changes. 

Previously this took an explicit range, update this to use the same
behaviour as the rest of the SH parts where we simply flush out a line
from the start address.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2008-02-12 17:00:39 +09:00
parent 5e9c8ac569
commit f1f8926a94
2 changed files with 6 additions and 4 deletions
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8
arch/sh/mm/cache-sh5.c
View File

@ -1015,15 +1015,17 @@ void flush_icache_user_range(struct vm_area_struct *vma,
ARCH/SH64 PRIVATE CALLABLE API.
##########################################################################*/
void flush_cache_sigtramp(unsigned long start, unsigned long end)
void flush_cache_sigtramp(unsigned long vaddr)
{
unsigned long end = vaddr + L1_CACHE_BYTES;
/* For the address range [start,end), write back the data from the
D-cache and invalidate the corresponding region of the I-cache for
the current process. Used to flush signal trampolines on the stack
to make them executable. */
sh64_dcache_wback_current_user_range(start, end);
sh64_dcache_wback_current_user_range(vaddr, end);
wmb();
sh64_icache_inv_current_user_range(start, end);
sh64_icache_inv_current_user_range(vaddr, end);
}

2
include/asm-sh/cpu-sh5/cacheflush.h
View File

@ -11,7 +11,7 @@ struct mm_struct;
extern void flush_cache_all(void);
extern void flush_cache_mm(struct mm_struct *mm);
extern void flush_cache_sigtramp(unsigned long start, unsigned long end);
extern void flush_cache_sigtramp(unsigned long vaddr);
extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end);
extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);