wireguard-openbsd/sys/arch/powerpc/include/mutex.h, branch jd/queueboosts WireGuard implementation for the OpenBSD kernel https://git.zx2c4.com/wireguard-openbsd/atom/sys/arch/powerpc/include/mutex.h?h=jd%2Fqueueboosts 2018-01-25T15:06:29Z Move common mutex implementations to a MI place. 2018-01-25T15:06:29Z mpi mpi@openbsd.org 2018-01-25T15:06:29Z urn:sha1:710c2d98ef6b48aed52cf1712826535b248055bf Archs not yet converted can to the jump by defining __USE_MI_MUTEX. ok visa@ Define and use IPL_MPFLOOR in our common mutex implementation. 2018-01-13T15:18:11Z mpi mpi@openbsd.org 2018-01-13T15:18:11Z urn:sha1:4965d1a4536ae31f44fece9aedf52ba3da2c14fb ok kettenis@, visa@ Unify <machine/mutex.h> a bit further. 2018-01-12T09:19:32Z mpi mpi@openbsd.org 2018-01-12T09:19:32Z urn:sha1:ee04a0b4c7b4d80bfec00ccaa22436570edc25dd `mtx_owner' becomes the first field of 'struct mutex' on i386/amd64/arm64. ok visa@ Hook up mutex(9) to witness(4). 2017-04-20T13:57:29Z visa visa@openbsd.org 2017-04-20T13:57:29Z urn:sha1:c4925651028d655edda3c8b85b8d1b4a0cda6fb9 replace the asm mutexes with a c implementation. 2015-08-14T06:14:19Z dlg dlg@openbsd.org 2015-08-14T06:14:19Z urn:sha1:992d1078c7384dbbd82e210f5056b595446802c9 there's no real functional advantage to this, except that it will make it easier to add deadlock detection to the code. this is modelled on the c mutex implementation thats on alpha, mips64, and hppa. ok mpi@ kettenis@ 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@ To prevent lock ordering problems with the kernel lock, we need to make sure 2014-01-22T11:01:15Z kettenis kettenis@openbsd.org 2014-01-22T11:01:15Z urn:sha1:213d08dcab0c59fe6fffa5ebcaf84507f952adfc we block all interrupts that can grab the kernel lock. The simplest way to achieve this is to make sure mutexes always raise the ipl to the highest level that has interrupts that grab the kernel lock. This will allow us to have "mpsafe" interrupt handlers at lower priority levels. No change for non-MULTIPROCESSOR kernels. tested by mpi@, landry@ ok mpi@, dlg@ Define MUTEX_OLDIPL where they were missing, will be used (reasonably) shortly. 2007-05-05T12:06:17Z miod miod@openbsd.org 2007-05-05T12:06:17Z urn:sha1:9f1a1266e22a19a997a9966e76275c7e161bdaff Move powerpc to __HAVE_MUTEX. With help from drahn@. Tested by nick@, xsa@, 2007-03-22T19:26:27Z kettenis kettenis@openbsd.org 2007-03-22T19:26:27Z urn:sha1:77e61ec49ce86bb62e563e0956275a7da2e836ed deraadt@. "reads right" deraadt@