[dpdk-dev] [PATCH v6 5/8] virtio: virtio vec rx

Thomas Monjalon thomas.monjalon at 6wind.com
Mon Nov 2 08:28:51 CET 2015


2015-11-02 02:18, Xie, Huawei:
> On 10/31/2015 2:21 AM, Thomas Monjalon wrote:
> > Sorry, there is a clang error.
> >
> > 2015-10-29 22:53, Huawei Xie:
> >> +	_mm_prefetch((const void *)rused, _MM_HINT_T0);
> > virtio_rxtx_simple.c:197:2: error: cast from 'const void *' to
> >       'void *' drops const qualifier
> This is weird. This conversion is actually from 'void *' to 'const void
> *', not the opposite, so there should be no error.
> I checked clang build, it doesn't report error.
>     clang version 3.3 (tags/RELEASE_33/rc2)

I'm using clang 3.6.2.
Anybody else to check please?


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