Attention is currently required from: jolly, laforge. pespin has posted comments on this change by jolly. ( https://gerrit.osmocom.org/c/libosmocore/+/40725?usp=email ) Change subject: Automatically increase io_uring, if too small. ...................................................................... Patch Set 6: (2 comments) Patchset: PS6: More thoughts on this: With my proposal where we queue iofds waiting for an SQE we could end up in some sort of starvation or even deadlock, because we may end up with tons of fds/sockets with pending READs and nothing external (eg. a packet arriving) triggering a READ from it, leaving outside from the reading set some socket which may already contain some data to be read. File src/core/osmo_io_uring.c: https://gerrit.osmocom.org/c/libosmocore/+/40725/comment/bf6415a1_10d4d758?… : PS6, Line 172: sqe = io_uring_get_sqe(&g_ring->ring); Aren't we using it from read()? Then it's not simply empty msgbs waiting for packets, but buffers being filled from an in-order stream of bytes which needs to be kept in order when usbmitting the msgbs to upper layers (or when resegmenting internally). -- To view, visit https://gerrit.osmocom.org/c/libosmocore/+/40725?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-Change-Id: Id9230146acc8d54bfd44834e783c31b37bd64bca Gerrit-Change-Number: 40725 Gerrit-PatchSet: 6 Gerrit-Owner: jolly <andreas(a)eversberg.eu> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-CC: pespin <pespin(a)sysmocom.de> Gerrit-Attention: jolly <andreas(a)eversberg.eu> Gerrit-Attention: laforge <laforge(a)osmocom.org> Gerrit-Comment-Date: Thu, 31 Jul 2025 15:00:07 +0000 Gerrit-HasComments: Yes Gerrit-Has-Labels: No Comment-In-Reply-To: laforge <laforge(a)osmocom.org> Comment-In-Reply-To: pespin <pespin(a)sysmocom.de>