linux-kernel - Re: [PATCH 3/3] MIPS: Remove get_fs/set

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Message-ID: <20210331114119.GA10555@alpha.franken.de>
Date:   Wed, 31 Mar 2021 13:41:19 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Christoph Hellwig <hch@....de>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] MIPS: Remove get_fs/set_fs

On Tue, Mar 30, 2021 at 07:54:17PM +0200, Christoph Hellwig wrote:
> > -	if (likely(access_ok( __gu_ptr, size))) {		\
> > -		if (eva_kernel_access())				\
> > -			__get_kernel_common((x), size, __gu_ptr);	\
> 
> FYI, it might be a good idea to fold __{get,put}_kernel_common into
> __{get,put}_kernel_nofault now that these are the only callers left.

__get_data macro used it, but I rewrote it, so I could fold in
__get/__put_kernel_common.

> Similarly __get_user_common and __put_user_common should probably also
> go away.

__get_user_common is used 3 times and __put_user_common twice. So I
left them as they are.

> >  static inline unsigned long
> >  raw_copy_to_user(void __user *to, const void *from, unsigned long n)
> >  {
> > +	return __invoke_copy_to_user(to, from, n);
> 
> I think __invoke_copy_to_user, __invoke_copy_from_user and
> ___invoke_copy_in_user can go away now as well.

done.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]