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Date: Tue, 2 Apr 2024 13:51:06 -0700
From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org, Ajit Khaparde <ajit.khaparde@broadcom.com>,
 Andrew Boyer <andrew.boyer@amd.com>,
 Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
 Bruce Richardson <bruce.richardson@intel.com>,
 Chenbo Xia <chenbox@nvidia.com>, Chengwen Feng <fengchengwen@huawei.com>,
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 Jerin Jacob <jerinj@marvell.com>, Jie Hai <haijie1@huawei.com>,
 Jingjing Wu <jingjing.wu@intel.com>, John Daley <johndale@cisco.com>,
 Kevin Laatz <kevin.laatz@intel.com>,
 Kiran Kumar K <kirankumark@marvell.com>,
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 Ori Kam <orika@nvidia.com>, Ruifeng Wang <ruifeng.wang@arm.com>,
 Satha Rao <skoteshwar@marvell.com>,
 Somnath Kotur <somnath.kotur@broadcom.com>,
 Suanming Mou <suanmingm@nvidia.com>, Sunil Kumar Kori <skori@marvell.com>,
 Viacheslav Ovsiienko <viacheslavo@nvidia.com>,
 Yisen Zhuang <yisen.zhuang@huawei.com>,
 Yuying Zhang <Yuying.Zhang@intel.com>, mb@smartsharesystems.com
Subject: Re: [PATCH v9 2/4] mbuf: remove rte marker fields
Message-ID: <20240402205106.GA13316@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
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On Tue, Apr 02, 2024 at 01:45:49PM -0700, Stephen Hemminger wrote:
> On Tue,  2 Apr 2024 13:08:48 -0700
> Tyler Retzlaff <roretzla@linux.microsoft.com> wrote:
> 
> > RTE_MARKER typedefs are a GCC extension unsupported by MSVC. Remove
> > RTE_MARKER fields from rte_mbuf struct.
> > 
> > Maintain alignment of fields after removed cacheline1 marker by placing
> > C11 alignas(RTE_CACHE_LINE_MIN_SIZE).
> > 
> > Provide new rearm_data and rx_descriptor_fields1 fields in anonymous
> > unions as single element arrays of with types matching the original
> > markers to maintain API compatibility.
> > 
> > This change breaks the API for cacheline{0,1} fields that have been
> > removed from rte_mbuf but it does not break the ABI, to address the
> > false positives of the removed (but 0 size fields) provide the minimum
> > libabigail.abignore for type = rte_mbuf.
> > 
> > Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
> 
> Release note should be for 24.07 not 24.03.

yeah, pressed send and noticed it seconds later. when the new empty
release notes are added i'll move the notes to 24.07.

thanks.