[dpdk-dev] [PATCH] mbuf: align rte_mbuf for Windows

[Thomas Monjalon]

11/06/2020 13:43, Olivier Matz:
> On Tue, May 19, 2020 at 03:15:19PM -0700, Ranjit Menon wrote:
> > On 5/19/2020 1:18 PM, Thomas Monjalon wrote:
> > > 19/05/2020 21:57, Dmitry Kozlyuk:
> > > > On Tue, 19 May 2020 20:49:50 +0200
> > > > Thomas Monjalon <thomas at monjalon.net> wrote:
> > > > 
> > > > > +Cc more maintainers
> > > > > 
> > > > > 19/05/2020 20:41, talshn at mellanox.com:
> > > > > > From: Tal Shnaiderman <talshn at mellanox.com>
> > > > > > 
> > > > > > Using uint32_t type bit-fields in Windows will pads the
> > > > > > 'L2/L3/L4 and tunnel information' union with additional bits.
> > > > > > 
> > > > > > This padding causes rte_mbuf size misalignment and the total size
> > > > > > increases to 3 cache-lines.
> > > > > > 
> > > > > > Changed packet_type bit-fields types from uint32_t to uint8_t
> > > > > > to allow unified 2 cache-line structure size.
> > > > > > 
> > > > > > Added the __extension__ attribute over the modified struct to avoid
> > > > > > the warning:
> > > > > > 
> > > > > > type of bit-field ... is a GCC extension [-pedantic]
> > > > > > 
> > > > > > Signed-off-by: Tal Shnaiderman <talshn at mellanox.com>
> 
> Acked-by: Olivier Matz <olivier.matz at 6wind.com>

Applied, thanks