linux-kernel - Re: [PATCH v3 2/4] asm-generic: Provide a fncpy() implementation

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Message-ID: <20170619151818.pvjygbdvm6arvarq@yury-thinkpad>
Date:   Mon, 19 Jun 2017 18:18:18 +0300
From:   Yury Norov <ynorov@...iumnetworks.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     "open list:GENERIC INCLUDE/ASM HEADER FILES" 
        <linux-arch@...r.kernel.org>, Keerthy J <j-keerthy@...com>,
        Arnd Bergmann <arnd@...db.de>, Dave Gerlach <d-gerlach@...com>,
        Tony Lindgren <tony@...mide.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Russell King <linux@...linux.org.uk>,
        open list <linux-kernel@...r.kernel.org>,
        bcm-kernel-feedback-list@...adcom.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        linux-omap@...r.kernel.org, Shawn Guo <shawnguo@...nel.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 2/4] asm-generic: Provide a fncpy() implementation

On Mon, Jun 19, 2017 at 02:51:08AM +0300, Yury Norov wrote:
> Hi Florian,
> 
> Some questions and thoughts inline.
> 
> Yury
> 
> On Fri, Jun 16, 2017 at 05:07:42PM -0700, Florian Fainelli wrote:
> > Define a generic fncpy() implementation largely based on the ARM version
> > that requires an 8 bytes alignment for the destination address where to
> > copy this function as well as the function's own address.
> > 
> > Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> > ---
> >  include/asm-generic/fncpy.h | 93 +++++++++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 93 insertions(+)
> >  create mode 100644 include/asm-generic/fncpy.h

One else thing I forgot to ask - now you have the generic
implementation for fncpy(), so do you really need to save arm
version of it?

Yury