Re: [PATCH net v2 0/2] net/smc: close the SMC-D teardown window around the ghost send buffer
| Newsgroups | org.kernel.vger.linux-s390,org.kernel.vger.linux-kernel,org.kernel.vger.linux-rdma,org.kernel.vger.netdev |
|---|---|
| Message-ID | <178667783138.3150297.14142348032693681009.git-patchwork-notify@kernel.org> |
Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski <[email protected]>: On Sat, 08 Aug 2026 02:21:22 -0500 you wrote: > Both patches only matter on the SMC-D DMB-nocopy path, where the ghost send > buffer exists, and the only in-tree provider of support_mmapped_rdmb is > dibs_loopback. CONFIG_DIBS_LO is default n and its help calls it a testing aid, > so on a stock config neither bug is reachable. > > v1 moved smcd_buf_detach() after the drain. Dust Li replied that it does not > fully eliminate the race and asked whether RCU is the better shape. He is right > about the first part; I built both and measured them. > > [...] Here is the summary with links: - [net,v2,1/2] net/smc: unregister the connection before draining the rx tasklet https://git.kernel.org/netdev/net/c/36cdf5d48ca1 - [net,v2,2/2] net/smc: do not dereference an unset send buffer on the SMC-D teardown path https://git.kernel.org/netdev/net/c/b395dd319cea You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html