On Tue, Aug 23, 2022 at 08:07:13AM +0100, Richard W.M. Jones wrote: > io_uring (https://en.wikipedia.org/wiki/Io_uring) is an important > kernel facility, essentially an alternate way of dispatching system > calls more efficiently. It's used in a lot of high performance > situations. Although you can talk to it directly, most users should > be using liburing, a C library. > > We haven't updated liburing for "a while", since April 2021 to > liburing 2.0. There have been several upstream versions since then, > the latest is liburing 2.2, released in June. > > In theory this version is compatible and uses symbol versions: > > $ rpm -q --provides liburing > liburing = 2.2-1.fc38 > liburing(x86-64) = 2.2-1.fc38 > liburing.so.2()(64bit) > liburing.so.2(LIBURING_2.0)(64bit) > liburing.so.2(LIBURING_2.1)(64bit) > liburing.so.2(LIBURING_2.2)(64bit) > > so in theory this is not an ABI break. In practice I'm told that the > API of liburing is not very stable. > From my experience maintaining folly, the liburing API is definitely not very stable, and... this update might make it possible to compile more recent versions of folly again. So +1 for updating. Not sure if we should also reach out to upstream to do an ABI bump, but for neovim (which has a similar issue with tree-sitter having an internal API version that's not reflected in the soname) I just add additional versioned BR and R dependencies. Best regards, -- Michel Alexandre Salim identities: https://keyoxide.org/5dce2e7e9c3b1cffd335c1d78b229d2f7ccc04f2
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