Messages in this thread Patch in this message | | | From | Pratyush Anand <> | Subject | [RFC 5/8] ARM64: Re-factor flush_ptrace_access | Date | Wed, 31 Dec 2014 20:51:21 +0530 |
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Re-factor flush_ptrace_access to reuse vma independent part.
Signed-off-by: Pratyush Anand <panand@redhat.com> --- arch/arm64/mm/flush.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-)
diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c index b6f14e8d2121..9a4dd6f39cfb 100644 --- a/arch/arm64/mm/flush.c +++ b/arch/arm64/mm/flush.c @@ -34,19 +34,25 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start, __flush_icache_all(); } +static void __flush_ptrace_access(struct page *page, unsigned long uaddr, + void *kaddr, unsigned long len) +{ + unsigned long addr = (unsigned long)kaddr; + + if (icache_is_aliasing()) { + __flush_dcache_area(kaddr, len); + __flush_icache_all(); + } else { + flush_icache_range(addr, addr + len); + } +} + static void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, unsigned long uaddr, void *kaddr, unsigned long len) { - if (vma->vm_flags & VM_EXEC) { - unsigned long addr = (unsigned long)kaddr; - if (icache_is_aliasing()) { - __flush_dcache_area(kaddr, len); - __flush_icache_all(); - } else { - flush_icache_range(addr, addr + len); - } - } + if (vma->vm_flags & VM_EXEC) + __flush_ptrace_access(page, uaddr, kaddr, len); } /* -- 2.1.0
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