From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Jianbo Liu <jianbo.liu@linaro.org>
Cc: dev@dpdk.org, Jerin Jacob <jerin.jacob@caviumnetworks.com>
Subject: Re: [dpdk-dev] [PATCH] arm64: change rte_memcpy to inline function
Date: Fri, 17 Jun 2016 12:30:32 +0200 [thread overview]
Message-ID: <2989572.Qmv8XzlVsK@xps13> (raw)
In-Reply-To: <2611917.yjRp4jXU2P@xps13>
2016-05-19 17:56, Thomas Monjalon:
> 2016-05-19 21:48, Jianbo Liu:
> > On 13 May 2016 at 23:49, Thomas Monjalon <thomas.monjalon@6wind.com> wrote:
> > > 2016-05-10 14:01, Jianbo Liu:
> > >> Other APP may call rte_memcpy by function pointer,
> > >> so change it to an inline function.
> > >
> > > Any example in mind?
> > >
> > It's for ODP-DPDK.
>
> Given that ODP is open (dataplane), you should also consider ppc64 and tile.
>
> > >> --- a/lib/librte_eal/common/include/arch/arm/rte_memcpy_64.h
> > >> +++ b/lib/librte_eal/common/include/arch/arm/rte_memcpy_64.h
> > >> -#define rte_memcpy(d, s, n) memcpy((d), (s), (n))
> > >> +static inline void *
> > >> +rte_memcpy(void *dst, const void *src, size_t n)
> > >> +{
> > >> + return memcpy(dst, src, n);
> > >> +}
> > >
> > > It has no sense if other archs (arm32, ppc64, tile) are not updated.
> > >
> > But it also an inline function on x86.
>
> In x86, it was implemented as a function because there is some code.
> If you want to make sure it is always a function, even in the case
> of just calling memcpy from libc, you should put a doxygen comment in
> the generic part and adapt every archs.
no news?
a v2 would be welcome
next prev parent reply other threads:[~2016-06-17 10:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-10 8:31 Jianbo Liu
2016-05-13 9:12 ` Jerin Jacob
2016-05-13 15:49 ` Thomas Monjalon
2016-05-19 13:48 ` Jianbo Liu
2016-05-19 15:56 ` Thomas Monjalon
2016-06-17 10:30 ` Thomas Monjalon [this message]
2016-06-22 8:10 ` Jianbo Liu
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