Andres Freund <and...@anarazel.de> writes: > On 2024-07-29 11:31:56 -0400, Tom Lane wrote: >> There was some recent discussion about getting rid of >> --disable-spinlocks on the grounds that nobody would use >> hardware that lacked native spinlocks. But now I wonder >> if there is a testing/debugging reason to keep it.
> Seems it'd be a lot more straightforward to just add an assertion to the > x86-64 spinlock implementation verifying that the spinlock isn't already free? I dunno, is that the only extra check that the --disable-spinlocks implementation is providing? I'm kind of allergic to putting Asserts into spinlocked code segments, mostly on the grounds that it violates the straight-line-code precept. I suppose it's not really that bad for tests that you don't expect to fail, but still ... regards, tom lane