Hi!
> > Also... explanation why you need this syscall while other
> > architectures live happily without it would be nice.
> This syscall exist in nios2 port since old days and some users already
> used it for sometimes.
> Like mentioned by Greet, 12 our of 28 architectures provide such a syscall.
Would it make sense to create common code for this syscall?
> >> +/* sys_cacheflush -- flush the processor cache. */
> >> +asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len,
> >> + unsigned int op)
> >> +{
> >> + struct vm_area_struct *vma;
> >> +
> >> + if (len == 0)
> >> + return 0;
> >
> > op is being ignored? You should remove it... or if (op) return -EINVAL
> > if you want future extensions.
> Yes, op argument is being ignored. Okay, will add the return -EINVAL
> if op is non-zero.
Thanks!
Pavel
--
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