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2018-01-25Remove mutex implementations that now live in MI code.Martin Pieuchot
2018-01-25Move common mutex implementations to a MI place.Martin Pieuchot
Archs not yet converted can to the jump by defining __USE_MI_MUTEX. ok visa@
2018-01-22Include <sys/mutex.h> rather than <machine/mutex.h>Martin Pieuchot
Required by upcoming MI mutex change.
2018-01-13Define and use IPL_MPFLOOR in our common mutex implementation.Martin Pieuchot
ok kettenis@, visa@
2018-01-12Unify <machine/mutex.h> a bit further.Martin Pieuchot
`mtx_owner' becomes the first field of 'struct mutex' on i386/amd64/arm64. ok visa@
2018-01-11Add size for free.Visa Hankala
OK mpi@
2017-12-30Delete unnecessary <sys/file.h> includesPhilip Guenther
ok millert@ krw@
2017-12-20Sync C mutex implementations.Martin Pieuchot
ok kettenis@
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@
2017-10-18add support for printing function arguments when displaying a traceJasper Lievisse Adriaanse
from DDB. this uses CTF to get the correct number of arguments. ok mpi@
2017-09-11Sync alpha/mips64/powerpc mutex implementations.Martin Pieuchot
No functionnal change. ok visa@
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@
2017-07-25Remove leftovers of a past softintr mechanism.Visa Hankala
OK mpi@, kettenis@
2017-06-29kill RCSID macros; discussed with millertTheo de Raadt
2017-06-23Unbreak profiling assembly functions in userland by defining theMartin Pieuchot
correct prologue if compiled with -DPROF. ok deraadt@
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@
2017-05-16Implement copyin32(9).Mark Kettenis
ok mpi@, visa@
2017-05-12Make atomic.h ready to be included in userland.Martin Pieuchot
- keep setbits/clearbits inside _KERNEL ok dlg@, 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@
2017-02-12Split 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@
2017-01-24Rename pfind(9) into tfind(9) to reflect that it deals with threads.Martin Pieuchot
While here document prfind(9. with and ok guenther@
2016-12-20fix an uninitialised variable on altivec assist trapJonathan Gray
ok krw@ 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@
2016-09-15all 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);
2016-09-10take it one step further and bring the message inline with arm/sparc64Jasper Lievisse Adriaanse
pointed out by guenther@
2016-09-09don't hardcode the filename in an error message; use the function name insteadJasper Lievisse Adriaanse
ok jsg@ (who spotted the powerpc straggler too) millert@
2016-09-04Telling gcc the TCB pointer is in %r2 via the 'register asm' extensionPhilip Guenther
tests out on powerpc and generates slightly better code
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@
2016-06-07consistently set ipls on pmap pools.David Gwynne
this is a step toward making ipls unconditionaly on pools. ok deraadt@ 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
2016-05-07Flush page (through the direct map) before mapping it into AGP. FixesMark Kettenis
artifacts seen in X on some G5 machines. Unfortunately not enough to fix G4 machines. With help from Marcus Glocker. ok mpi@
2016-05-07Use a Thread Information Block in both single and multi-threaded programs.Philip Guenther
This stores errno, the cancelation flags, and related bits for each thread and is allocated by ld.so or libc.a. This is an ABI break from 5.9-stable! Make libpthread dlopen'able by moving the cancelation wrappers into libc and doing locking and fork/errno handling via callbacks that libpthread registers when it first initializes. 'errno' *must* be declared via <errno.h> now! Clean up libpthread's symbol exports like libc. On powerpc, offset the TIB/TCB/TLS data from the register per the ELF spec. Testing by various, particularly sthen@ and patrick@ 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@
2016-03-06DDB_REGS -> ddb_regsMartin Pieuchot
2016-03-05One ddb interface is enough for ppc.Martin Pieuchot
2016-03-05Define db_reg_t like the other archs by typedef'ing "struct trapframe".Martin Pieuchot
This will allow us to use some of the DDB macros on trapframe which are not DDB_REGS.
2016-03-02DDB_REGS -> ddb_regs in db_regs[], no reason to be different.Martin Pieuchot
2015-11-24The only network driver needing <net/if_types.h> is upl(4) for IFT_OTHER.Martin Pieuchot
2015-10-08Add a per-page flag to indicate that all mappings of that page should beMark Kettenis
uncached. To be used in the drm code. ok mpi@
2015-09-26lint is dead and C99 may be old enough to drive a car: delete LONGLONGPhilip Guenther
comments ok millert@
2015-09-21Fix membar positioning in mtx_enter_try() and (critically!) mtx_leave()Mark Kettenis
Same diff as guenther@ committed for alpha. ok guenther@
2015-09-13intr_barrier(9) for macppc and socppc.Mark Kettenis
2015-09-11Make the powerpc pmap (more) mpsafe by protecting both the pmap itself and theMark Kettenis
pv lists with a mutex. This should make pmap_enter(9), pmap_remove(9) and pmap_page_protect(9) safe to use without holding the kernel lock. ok visa@, mpi@, deraadt@
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@
2015-09-06size for free()Theo de Raadt
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