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Commit f1f8926a authored by Paul Mundt's avatar Paul Mundt
Browse files

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: default avatarPaul Mundt <lethal@linux-sh.org>
parent 5e9c8ac5

arch/sh/mm/cache-sh5.c

+5 −3
Original line number Diff line number Diff line
@@ -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);

}

include/asm-sh/cpu-sh5/cacheflush.h

+1 −1
Original line number Diff line number Diff line
@@ -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);