wireguard-openbsd/sys/arch/alpha/include/lock.h, branch jd/queueboosts WireGuard implementation for the OpenBSD kernel https://git.zx2c4.com/wireguard-openbsd/atom/sys/arch/alpha/include/lock.h?h=jd%2Fqueueboosts 2017-05-29T14:19:49Z Kill SPINLOCK_SPIN_HOOK, use CPU_BUSY_CYCLE() instead. 2017-05-29T14:19:49Z mpi mpi@openbsd.org 2017-05-29T14:19:49Z urn:sha1:275e6a2f73daf87c4fca2936430979b529d958cc ok visa@, kettenis@ the only user of __cpu_cas is lock_machdep, so move it there. 2015-02-11T03:56:00Z dlg dlg@openbsd.org 2015-02-11T03:56:00Z urn:sha1:7d63663cf3602355f7e8bd72889637065ecc2359 machine/lock.h only provides SPINLOCK_SPIN_HOOK which is included directly by the three files that use it. make the rwlock implementation MI. 2015-02-11T00:14:11Z dlg dlg@openbsd.org 2015-02-11T00:14:11Z urn:sha1:c7ee61963c3a9af7911e1d06422068d4e15ba0c0 each arch used to have to provide an rw_cas operation, but now we have the rwlock code build its own version. on smp machines it uses atomic_cas_ulong. on uniproc machines it avoids interlocked instructions by using straight loads and stores. this is safe because rwlocks are only used from process context and processes are currently not preemptible in our kernel. so alpha/ppc/etc might get a benefit. ok miod@ kettenis@ deraadt@ It's been a quarter century: we can assume volatile is present with that name. 2014-03-29T18:09:28Z guenther guenther@openbsd.org 2014-03-29T18:09:28Z urn:sha1:2df76cc2a0aee2cb2166e3799b7bb5c3f883f83d ok dlg@ mpi@ deraadt@ Allow MP_LOCKDEBUG kernels to get tracebacks from other processors when 2014-02-01T21:18:19Z miod miod@openbsd.org 2014-02-01T21:18:19Z urn:sha1:f82414a7344a886c82365acc706179b7a9178914 entering ddb. No change for !MP_LOCKDEBUG kernels. MP-safe rw_cas() implementation for rwlocks. 2013-12-22T18:32:40Z miod miod@openbsd.org 2013-12-22T18:32:40Z urn:sha1:1f99c46e2161a26fffe44eee602374d0142c2644 remove unused cpu_lock code (where it is truly unused). it is not 2013-05-21T20:05:30Z tedu tedu@openbsd.org 2013-05-21T20:05:30Z urn:sha1:dc809bae3e7cea798d871006a9d0888b9a712566 part of the future we have planned. middling ok from a few Normalize sentinel. Use _MACHINE_*_H_ and _<ARCH>_*_H_ properly and consitently. 2011-03-23T16:54:33Z pirofti pirofti@openbsd.org 2011-03-23T16:54:33Z urn:sha1:2fa72412907ae78c4787a4a8f888c5f0486e225c Discussed and okay drahn@. Okay deraadt@. First pass at removing clauses 3 and 4 from NetBSD licenses. 2008-06-26T05:42:03Z ray ray@openbsd.org 2008-06-26T05:42:03Z urn:sha1:d874cce4b1d9fe6b41c9e4f2117a77d8a4a37b92 Not sure what's more surprising: how long it took for NetBSD to catch up to the rest of the BSDs (including UCB), or the amount of code that NetBSD has claimed for itself without attributing to the actual authors. OK deraadt@ get alpha SMP into a state where it at least compiles: 2007-04-13T08:31:50Z martin martin@openbsd.org 2007-04-13T08:31:50Z urn:sha1:2199c730e8a07886c649140f6a263c7a2a28036e - add machine-dependent spinlock operations - add basic interprocessor interrupt sending and receiving code from NetBSD; ok miod@