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Tsirkin" To: Akihiko Odaki Cc: Jason Wang , qemu-devel@nongnu.org, Yuri Benditovich , Andrew Melnychenko Subject: Re: [PATCH v3 01/11] tap: Remove tap_probe_vnet_hdr_len() Message-ID: <20231013095407-mutt-send-email-mst@kernel.org> References: <20231011153944.39572-1-akihiko.odaki@daynix.com> <20231011153944.39572-2-akihiko.odaki@daynix.com> <74139826-7e06-48c0-bb1c-0b5bf708c808@daynix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <74139826-7e06-48c0-bb1c-0b5bf708c808@daynix.com> Received-SPF: pass client-ip=170.10.129.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Fri, Oct 13, 2023 at 01:14:32PM +0900, Akihiko Odaki wrote: > On 2023/10/13 10:38, Jason Wang wrote: > > On Wed, Oct 11, 2023 at 11:40 PM Akihiko Odaki wrote: > > > > > > It was necessary since an Linux older than 2.6.35 may implement the > > > virtio-net header but may not allow to change its length. Remove it > > > since such an old Linux is no longer supported. > > > > Where can I see this agreement? > > docs/about/build-platforms.rst says: > > The project aims to support the most recent major version at all times > > for up to five years after its initial release. Support for the > > previous major version will be dropped 2 years after the new major > > version is released or when the vendor itself drops support, whichever > > comes first. In this context, third-party efforts to extend the > > lifetime of a distro are not considered, even when they are endorsed > > by the vendor (eg. Debian LTS); the same is true of repositories that > > contain packages backported from later releases (e.g. Debian > > backports). Within each major release, only the most recent minor > > release is considered. > > > > For the purposes of identifying supported software versions available > > on Linux, the project will look at CentOS, Debian, Fedora, openSUSE, > > RHEL, SLES and Ubuntu LTS. Other distros will be assumed to ship > > similar software versions. > > All of the previous major versions of these distributions ship far newer > kernels. > > CentOS Stream 8 and RHEL 8 ship 4.18.0. Yes but RHEL7 is still in full support. > Debian bullseye ships 5.10.0. > Fedora 37 ships 6.5.6. > openSUSE Leap 15.4 ships 5.14.21. > SLES 12 ships 4.12.14. > Ubuntu 20.04 ships 5.4. It does not matter that a newer version is shipped. What matters is whether older one is still supported.