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2018-03-12Make luna88k use the MI mplock implementation.Kenji Aoyama
(forget to remove from repository) ok visa@
2018-03-12Make luna88k use the MI mplock implementation.Kenji Aoyama
ok visa@
2018-03-05#define _MAX_PAGE_SHIFT in MD _types.h as the maximum pagesize an archTheo de Raadt
needs (looking at you sgi, but others required this before). This is for the circumstances we need pagesize known at compile time, not getpagesize() runtime. Use it for malloc storage sizes, for shm, and to set pthread stack default sizes. The stack sizes were a mess, and pushing them towards page-aligned is healthy move (which will also be needed by the coming stack register checker) ok guenther kettenis, discussion with stefan
2018-01-13Define and use IPL_MPFLOOR in our common mutex implementation.Martin Pieuchot
ok kettenis@, visa@
2018-01-04Unify <machine/mutex.h> a bit further.Martin Pieuchot
Remove `mtx_lock' from i386, add volatile before `mtx_owner' where it was missing. Inputs from kettenis@, ok visa@
2017-12-14fcntl(F_SETFL) invokes the FIONBIO and FIOASYNC ioctls internally, soPhilip Guenther
the memory devices (/dev/null, /dev/zero, etc) need to permit them. problem noted, tweak, and testing by jeremy@ ok deraadt@
2017-12-04Change __mp_lock_held() to work with an arbitrary CPU info structure andMartin Pieuchot
extend ddb(4) "ps /o" output to print which CPU is currently holding the KERNEL_LOCK(). Tested by dhill@, ok visa@
2017-09-08If you use sys/param.h, you don't need sys/types.hTheo de Raadt
2017-09-05Move mutex, condvar, and thread-specific data routes, pthread_once, andPhilip Guenther
pthread_exit from libpthread to libc, along with low-level bits to support them. Major bump to both libc and libpthread. Requested by libressl team. Ports testing by naddy@ ok kettenis@
2017-06-22Tidy up comment about double load opcodes in m88k/eh_common.S (and fix ;; -> ||)Tom Cosgrove
ok miod@
2017-05-30Kill db_sym_t.Martin Pieuchot
ok deraadt@, kettenis@, jasper@
2017-05-29Kill SPINLOCK_SPIN_HOOK, use CPU_BUSY_CYCLE() instead.Martin Pieuchot
ok visa@, kettenis@
2017-05-29copyin32 implementation from miod@Martin Pieuchot
ok kettenis@
2017-04-30Rename Debugger() into db_enter().Martin Pieuchot
Using a name with the 'db_' prefix makes it invisible from the dynamic profiler. ok deraadt@, kettenis@, visa@
2017-04-20Hook up mutex(9) to witness(4).Visa Hankala
2017-04-13Provide mips64 with kernel-facing TCB_{GET,SET} macros that store itPhilip Guenther
in struct mdproc. With that, all archs have those and the __HAVE_MD_TCB macro can be unifdef'ed as always defined. ok kettenis@ visa@ jsing@
2017-03-19Put the address of the per-cpu clock and interrupt registers into the cpu_infoMiod Vallat
struct, rather than fetching them from arrays every time they are needed. ok aoyama@
2017-02-15Make this build (and run) with gcc 4.Miod Vallat
2017-02-12Split up fork1():Philip Guenther
- FORK_THREAD handling is a totally separate function, thread_fork(), that is only used by sys___tfork() and which loses the flags, func, arg, and newprocp parameters and gains tcb parameter to guarantee the new thread's TCB is set before the creating thread returns - fork1() loses its stack and tidptr parameters Common bits factor out: - struct proc allocation and initialization moves to thread_new() - maxthread handling moves to fork_check_maxthread() - setting the new thread running moves to fork_thread_start() The MD cpu_fork() function swaps its unused stacksize parameter for a tcb parameter. luna88k testing by aoyama@, alpha testing by dlg@ ok mpi@
2017-02-08In exec_elf.c: expand ELFNAME(), ELFNAME2(), and ELFNAMEEND() exceptPhilip Guenther
leaving out the size, so that ELFNAME2(exec,makecmds) becomes exec_elf_makecmds instead of exec_elf{32,64}_makecmds and then delete the ELFNAME2() and ELFNAMEEND() macros. Move the prototypes for functions local to exec_elf.c to there from exec_elf.h. Simplify the SMALL_KERNEL conditionals around the ELF coredump code. Change exec_conf.c to use the size-generic names and macros Remove exec_elf{32,64}.c and just build exec_elf.c; delete the _KERN_DO_ELF and _KERN_DO_ELF64 #defines. ok jca@, encouragement from deraadt@ and tom@
2016-10-19Change process_{domem,auxv_offset}() to take a process instead of a proc.Philip Guenther
Make process_auxv_offset() take and release a reference of the vmspace like process_domem() does. ok kettenis@
2016-10-19Change pmap_proc_iflush() to take a process instead of a procPhilip Guenther
powerpc: rename second argument of pmap_proc_iflush() to match other archs ok kettenis@
2016-10-09Tweak the special handling of pid 1 in setregs()...and document thatPhilip Guenther
while it's not 100% correct, it's okay tested by aoyama@
2016-10-09Apply consistency to forever loops with continue and NOTREACHEDTom Cosgrove
Same thought from kettenis@, ok krw@ phessler@ millert@
2016-10-08Report the PID in sendsig() debuggingPhilip Guenther
tested by aoyama@
2016-09-25Make a move towards ending 4 decades of kernel snooping.Theo de Raadt
Add sysctl kern.allowkmem (default 0) which controls the ability to open /dev/mem or /dev/kmem at securelevel > 0. Over 15 years we converted 99% of utilities in the tree to operate on sysctl-nodes (either by themselves or via code hiding in the guts of -lkvm). pstat -d and -v & procmap are affected and continued use of them will require kern.allowkmem=1 in /etc/sysctl.conf. acpidump (and it's buddy sendbug) are affected, but we'll work out a solution soon. There will be some impact in ports. ok kettenis guenther
2016-09-19ansify function definitionsJasper Lievisse Adriaanse
ok guenther@ millert@
2016-09-15all pools have their ipl set via pool_setipl, so fold it into pool_init.David Gwynne
the ioff argument to pool_init() is unused and has been for many years, so this replaces it with an ipl argument. because the ipl will be set on init we no longer need pool_setipl. most of these changes have been done with coccinelle using the spatch below. cocci sucks at formatting code though, so i fixed that by hand. the manpage and subr_pool.c bits i did myself. ok tedu@ jmatthew@ @ipl@ expression pp; expression ipl; expression s, a, o, f, m, p; @@ -pool_init(pp, s, a, o, f, m, p); -pool_setipl(pp, ipl); +pool_init(pp, s, a, ipl, f, m, p);
2016-09-04TCB_GET_MEMBER() is no longer used after the TIB changesPhilip Guenther
2016-09-03Increase the number of mbufs on most architectures. This is basedAlexander Bluhm
on a guess how much memory a typical machine has. If the value is too high, users may run out of kernel memory. Then we will have to adjust this again. OK claudio@ deraadt@
2016-08-01bring the light of ansi to a few more filesTed Unangst
2016-06-21Add sc_cookie in sigcontext, as same as other ports.Kenji Aoyama
From Miod Vallat, tested by him and me. ok deraadt@
2016-06-13rename raiseipl to splraise()David Gwynne
another step toward making splraise an MI api. ok aoyama@
2016-06-07consistently set ipls on pmap pools.David Gwynne
this is a step toward making ipls unconditionaly on pools. ok deraadt@ kettenis@
2016-05-27Remove the non ELF macrosTheo de Raadt
ok millert
2016-05-21hand-massage sendsig() and sys_sigreturn() to be much more similar.Theo de Raadt
ok guenther kettenis
2016-05-10SROP mitigation. sendsig() stores a (per-process ^ &sigcontext) cookieTheo de Raadt
inside the sigcontext. sigreturn(2) checks syscall entry was from the exact PC addr in the (per-process ASLR) sigtramp, verifies the cookie, and clears it to prevent sigcontext reuse. not yet tested on landisk, sparc, *88k, socppc. ok kettenis
2016-04-27G/C DDB_REGS.Martin Pieuchot
2016-03-19Reduces the noise around the global ``ticks'' variable by renamingMartin Pieuchot
all the local ones to ``nticks''. ok stefan@, deraadt@
2016-03-09Convert DDB_REGS -> &ddb_regs, inputs and ok naddy@Martin Pieuchot
Put addresses instead of registers inside db_regs[] to match what other archs do and to get rid of db_setf_regs().
2016-03-01DB_SYM_NULL -> NULL.Martin Pieuchot
2015-11-01Remove the definition of USRTEXT. It has no relevance outside of the non-PIEMiod Vallat
a.out world. ok deraadt@ kettenis@
2015-10-05user land -> userland; from Rob PierceTheo de Raadt
2015-09-26lint is dead and C99 may be old enough to drive a car: delete LONGLONGPhilip Guenther
comments ok millert@
2015-09-13<sys/systm.h> must be before <sys/syscall_mi.h> now.Miod Vallat
2015-09-08Give the pool page allocator backends more sensible names. We now have:Mark Kettenis
* pool_allocator_single: single page allocator, always interrupt safe * pool_allocator_multi: multi-page allocator, interrupt safe * pool_allocator_multi_ni: multi-page allocator, not interrupt-safe ok deraadt@, dlg@
2015-08-29_NLIST_DO_ELF is no longer needed: it's the only optionPhilip Guenther
ok deraadt@
2015-07-29Acquire the kernel lock in pmap_remove(). The reasons for this can't beMiod Vallat
stated here as I have been asked to be polite in this commit message. ok deraadt@
2015-07-25Only store mod/ref flags in the vm_page_md struct, not in every pv_entry.Miod Vallat
2015-07-17remove obsolete INET kernel optionTed Unangst
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