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freebsd-dev/sys/kern
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Warner Losh 6fec662c86 Make the code match the comments: If we have ANY buf's that failed 
then return EAGAIN. The current code just returns that if the LAST buf
failed.

Reviewed by: kib@, trasz@
Differential Revision: https://reviews.freebsd.org/D9677
2017-02-21 18:56:06 +00:00
..
bus_if.m "Buses" is the preferred plural of "bus" 2017-01-15 17:54:01 +00:00
capabilities.conf Update capabilities.conf comment 2016-09-08 14:04:04 +00:00
clock_if.m
cpufreq_if.m
device_if.m Import the 'iflib' API library for network drivers. From the author: 2016-05-18 04:35:58 +00:00
genassym.sh
imgact_aout.c
imgact_binmisc.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
imgact_elf32.c
imgact_elf64.c
imgact_elf.c Copy the e_machine and e_flags fields from the binary into an ELF core dump. 2017-02-07 20:34:03 +00:00
imgact_gzip.c
imgact_shell.c
inflate.c ANSIfy inflate.c 2016-10-04 17:57:30 +00:00
init_main.c Bump struct thread alignment to 32. 2017-02-07 17:03:22 +00:00
init_sysent.c Regenerate all the system call tables to drop "created from" lines. 2017-02-10 19:45:02 +00:00
kern_acct.c Revert r312119 and reword the intent to fix -Wshadow issues 2017-01-15 09:25:33 +00:00
kern_alq.c
kern_clock.c Initialize 'ticks' earlier in boot after 'hz' is set. 2016-11-22 01:02:59 +00:00
kern_clocksource.c Fix for race leading to endless timer interrupts related to 2017-01-20 17:40:31 +00:00
kern_condvar.c Introduce SCHEDULER_STOPPED_TD for use when the thread pointer was already read 2017-02-17 06:45:04 +00:00
kern_conf.c Undo r309891. Konstantin is right in that this condition normally 2016-12-12 19:11:04 +00:00
kern_cons.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
kern_context.c
kern_cpu.c Add an EARLY_AP_STARTUP option to start APs earlier during boot. 2016-05-14 18:22:52 +00:00
kern_cpuset.c Add kern_cpuset_getaffinity() and kern_cpuset_getaffinity(), 2017-02-05 13:24:54 +00:00
kern_ctf.c Fix improper use of "its". 2016-11-08 23:59:41 +00:00
kern_descrip.c fd: switch fget_unlocked to atomic_fcmpset 2017-02-05 01:40:27 +00:00
kern_dtrace.c
kern_dump.c Add support for encrypted kernel crash dumps. 2016-12-10 16:20:39 +00:00
kern_environment.c Create wrappers for uint64_t and int64_t for the tunables. While not 2016-04-15 03:09:55 +00:00
kern_et.c Add labels to sysctls related to clocks. 2016-12-14 12:56:58 +00:00
kern_event.c Add kevent EVFILT_EMPTY for notification when a client has received all data 2017-01-16 08:25:33 +00:00
kern_exec.c Apply MADV_FREE to exec_map entries only after a lowmem event. 2017-02-15 01:50:58 +00:00
kern_exit.c When a zombie gets reparented due to the parent exit, send SIGCHLD to 2016-12-12 11:11:50 +00:00
kern_fail.c Fix some cosmetic issues in kern_fail.c omitted from r296927. 2016-06-09 13:17:08 +00:00
kern_ffclock.c kernel: use our nitems() macro when it is available through param.h. 2016-04-19 23:48:27 +00:00
kern_fork.c Defer ptracestop() signals that cannot be delivered immediately 2017-02-20 15:53:16 +00:00
kern_gzio.c
kern_hhook.c Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
kern_idle.c
kern_intr.c
kern_jail.c Use inet_ntoa_r() instead of inet_ntoa() throughout the kernel 2017-02-16 20:47:41 +00:00
kern_khelp.c
kern_kthread.c Re-schedule signals after kthread exits, since apparently there are 2016-08-10 13:47:12 +00:00
kern_ktr.c
kern_ktrace.c ANSYfy kern_ktrace.c and remove archaic register keyword 2017-01-20 14:59:56 +00:00
kern_linker.c kern_linker: Handle module-loading failures in preloaded .ko files 2016-10-13 02:06:23 +00:00
kern_lock.c lockmgr: implement fast path 2017-02-12 09:49:44 +00:00
kern_lockf.c put very expensive sanity checks of advisory locks under DIAGNOSTIC 2017-01-30 15:20:13 +00:00
kern_lockstat.c mtx: microoptimize lockstat handling in __mtx_lock_sleep 2017-02-17 14:55:59 +00:00
kern_loginclass.c
kern_malloc.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
kern_mbuf.c Import the 'iflib' API library for network drivers. From the author: 2016-05-18 04:35:58 +00:00
kern_mib.c Mark a bunch of mpsafe sysctls as such. 2016-10-19 19:42:01 +00:00
kern_module.c
kern_mtxpool.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
kern_mutex.c mtx: fix spin mutexes interaction with failed fcmpset 2017-02-20 19:08:36 +00:00
kern_ntptime.c ANSIfy kern_ntptime.c 2017-01-25 20:22:32 +00:00
kern_numa.c
kern_osd.c osd(9): Change array pointer to array pointer type from void* 2016-04-26 19:57:35 +00:00
kern_physio.c Add four new RCTL resources - readbps, readiops, writebps and writeiops, 2016-04-07 04:23:25 +00:00
kern_pmc.c hwpmc: annotate pmc_hook and pmc_intr as __read_mostly 2017-01-27 22:14:42 +00:00
kern_poll.c
kern_priv.c
kern_proc.c Make sure the thread constructor and destructor eventhandlers are 2017-02-19 13:15:33 +00:00
kern_procctl.c reaper: Make REAPER_KILL_SUBTREE actually work. 2016-12-14 22:49:20 +00:00
kern_prot.c proc: perform a lockless check in sys_issetugid 2017-01-24 21:48:57 +00:00
kern_racct.c try to fix RACCT_RSS accounting 2017-02-14 13:54:05 +00:00
kern_rangelock.c
kern_rctl.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
kern_resource.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
kern_rmlock.c Bring back r313037, with fixes for mips: 2017-02-19 02:03:09 +00:00
kern_rwlock.c locks: make trylock routines check for 'unowned' value 2017-02-19 16:28:46 +00:00
kern_sdt.c
kern_sema.c
kern_sendfile.c Move bogus_page declaration to vm_page.h and initialization to vm_page.c. 2017-01-04 22:27:19 +00:00
kern_sharedpage.c
kern_shutdown.c Revert crap accidentally committed 2017-01-28 16:31:23 +00:00
kern_sig.c Defer ptracestop() signals that cannot be delivered immediately 2017-02-20 15:53:16 +00:00
kern_switch.c Add comments explaining unobvious td_critnest adjustments in 2017-01-22 19:41:42 +00:00
kern_sx.c locks: make trylock routines check for 'unowned' value 2017-02-19 16:28:46 +00:00
kern_synch.c Introduce SCHEDULER_STOPPED_TD for use when the thread pointer was already read 2017-02-17 06:45:04 +00:00
kern_syscalls.c
kern_sysctl.c Document the existence of the {0, 6, ...} sysctl. 2016-12-15 15:45:11 +00:00
kern_tc.c Add labels to sysctls related to clocks. 2016-12-14 12:56:58 +00:00
kern_thr.c Defer ptracestop() signals that cannot be delivered immediately 2017-02-20 15:53:16 +00:00
kern_thread.c Bump struct thread alignment to 32. 2017-02-07 17:03:22 +00:00
kern_time.c Use time_t for intermediate values to avoid overflow in clock_ts_to_ct 2017-01-24 18:05:29 +00:00
kern_timeout.c Permit timed sleeps for threads other than thread0 before timers are working. 2016-11-25 18:02:43 +00:00
kern_umtx.c [mips] make UMTX_CHAINS configurable at compile time. 2016-11-15 01:34:38 +00:00
kern_uuid.c
kern_xxx.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
ksched.c
link_elf_obj.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
link_elf.c kern: for pointers replace 0 with NULL. 2016-04-15 16:10:11 +00:00
linker_if.m sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
Make.tags.inc
Makefile Don't create pointless backups of generated files in "make sysent". 2016-07-28 21:29:04 +00:00
makesyscalls.sh Consolidate statements to initialize files. 2017-02-20 20:37:25 +00:00
md4c.c crypto routines: Hint minimum buffer sizes to the compiler 2016-05-26 19:29:29 +00:00
md5c.c crypto routines: Hint minimum buffer sizes to the compiler 2016-05-26 19:29:29 +00:00
msi_if.m Introduce MSI and MSI-X support to intrng. This adds a new msi device 2016-05-16 09:11:40 +00:00
p1003_1b.c
pic_if.m INTRNG: Rework handling with resources. Partially revert r301453. 2016-08-19 10:52:39 +00:00
posix4_mib.c posix4_mib: Don't overrun facility_initialized array 2016-04-27 00:10:32 +00:00
sched_4bsd.c Revert r313814 and r313816 2017-02-16 21:18:31 +00:00
sched_ule.c Revert r313814 and r313816 2017-02-16 21:18:31 +00:00
serdev_if.m
stack_protector.c
subr_acl_nfs4.c
subr_acl_posix1e.c
subr_autoconf.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_blist.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_bufring.c
subr_bus_dma.c
subr_bus.c "Buses" is the preferred plural of "bus" 2017-01-15 17:54:01 +00:00
subr_busdma_bufalloc.c
subr_capability.c
subr_clock.c Use time_t for intermediate values to avoid overflow in clock_ts_to_ct 2017-01-24 18:05:29 +00:00
subr_counter.c Zero return value when counter_rate() switches over to next second and 2016-12-13 20:11:45 +00:00
subr_devmap.c Include machine/acle-compat.h in cdefs.h on arm if the compiler doesn't 2016-05-25 19:44:26 +00:00
subr_devstat.c Add support for managing Shingled Magnetic Recording (SMR) drives. 2016-05-19 14:08:36 +00:00
subr_disk.c
subr_dummy_vdso_tc.c
subr_eventhandler.c
subr_fattime.c
subr_firmware.c Fix improper use of "its". 2016-11-08 23:59:41 +00:00
subr_gtaskqueue.c A few more style bugs lying around in here. 2017-01-26 13:48:45 +00:00
subr_hash.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_hints.c
subr_intr.c Only allow the pic type to be either a PIC or MSI type. All interrupt 2017-02-06 13:08:48 +00:00
subr_kdb.c
subr_kobj.c
subr_lock.c locks: follow up r313386 2017-02-07 16:01:07 +00:00
subr_log.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_mbpool.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
subr_mchain.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_module.c
subr_msgbuf.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
subr_param.c Initialize 'ticks' earlier in boot after 'hz' is set. 2016-11-22 01:02:59 +00:00
subr_pcpu.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_pctrie.c sys: extend use of the howmany() macro when available. 2016-04-26 15:38:17 +00:00
subr_power.c
subr_prf.c Include <stdarg.h> instead of <machine/stdarg.h> when compiled as 2016-10-24 18:03:04 +00:00
subr_prof.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_rman.c Add new bus methods for mapping resources. 2016-05-20 17:57:47 +00:00
subr_rtc.c Make resettodr_lock accessible outside subr_rtc.c. Protect 2016-09-21 10:15:08 +00:00
subr_sbuf.c
subr_scanf.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_sfbuf.c subr_sfbus.c need sys/proc.h for struct thread definition. 2017-02-07 17:31:24 +00:00
subr_sglist.c Add sglist functions for working with arrays of VM pages. 2016-05-20 23:28:43 +00:00
subr_sleepqueue.c sleepq_catch_signals: do thread suspension before signal check 2017-02-14 17:13:23 +00:00
subr_smp.c Handle broadcast NMIs. 2016-10-24 16:40:27 +00:00
subr_stack.c
subr_syscall.c Defer ptracestop() signals that cannot be delivered immediately 2017-02-20 15:53:16 +00:00
subr_taskqueue.c While draining a timeout task prevent the taskqueue_enqueue_timeout() 2016-09-29 10:38:20 +00:00
subr_terminal.c
subr_trap.c The assertion re-added in r302614 was triggered when stopping signal 2016-07-18 10:53:47 +00:00
subr_turnstile.c ddb(4): Add sleepchains to "show allchains" 2016-10-22 18:02:20 +00:00
subr_uio.c Switch copyout_map() to use vm_mmap_object() instead of vm_mmap(). 2017-02-12 20:54:31 +00:00
subr_unit.c Clean up trailing whitespace 2017-01-14 04:16:13 +00:00
subr_vmem.c subr_vmem: Fix double-free in error case of vmem_create 2016-05-11 23:16:11 +00:00
subr_witness.c Make witness_warn() always print to the console. 2017-02-05 02:27:04 +00:00
sys_capability.c capsicum: perform copyout without the fildesc lock held in sys_cap_ioctls_get 2016-10-21 16:12:23 +00:00
sys_generic.c Add kern_pread() and kern_pwrite(), and use it in compats instead 2017-01-31 15:35:18 +00:00
sys_pipe.c Generate syscall tables and update pipe() implementation after r302094. 2016-06-22 21:18:19 +00:00
sys_procdesc.c Hide the boottime and bootimebin globals, provide the getboottime(9) 2016-07-27 11:08:59 +00:00
sys_process.c Defer ptracestop() signals that cannot be delivered immediately 2017-02-20 15:53:16 +00:00
sys_socket.c Set MORETOCOME for AIO write requests on a socket. 2017-01-06 23:41:45 +00:00
syscalls.c Regenerate all the system call tables to drop "created from" lines. 2017-02-10 19:45:02 +00:00
syscalls.master Rename the 'flags' argument to getfsstat() to 'mode' and validate it. 2016-12-27 20:21:11 +00:00
systrace_args.c Regen after r310638. 2016-12-27 20:22:17 +00:00
sysv_ipc.c
sysv_msg.c Remove a comment that was part of copied code, and is misleading in 2016-06-09 15:34:33 +00:00
sysv_sem.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
sysv_shm.c Add shmatt_t. 2016-07-26 17:23:49 +00:00
tty_compat.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
tty_info.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
tty_inq.c Check tty_gone() after allocating IO buffers. The tty lock has to be 2017-01-13 16:37:38 +00:00
tty_outq.c Check tty_gone() after allocating IO buffers. The tty lock has to be 2017-01-13 16:37:38 +00:00
tty_pts.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
tty_tty.c
tty_ttydisc.c
tty.c Correct the comments about how much buffer is allocated. 2017-01-13 17:03:23 +00:00
uipc_accf.c Use correct size type in do_setopt_accept_filter 2016-10-12 00:56:49 +00:00
uipc_debug.c
uipc_domain.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
uipc_mbuf2.c Remove writability requirement for single-mbuf, contiguous-range 2017-01-12 06:38:03 +00:00
uipc_mbuf.c Suppress a warning about m_assertbuf being unused. 2017-01-15 03:53:20 +00:00
uipc_mbufhash.c
uipc_mqueue.c Fix panic with unlocked vnode to vrecycle(). 2017-02-18 05:07:53 +00:00
uipc_sem.c Clean up some style(9) violations. 2016-04-14 17:07:26 +00:00
uipc_shm.c Consistently handle negative or wrapping offsets in the mmap(2) syscalls. 2017-02-12 21:05:44 +00:00
uipc_sockbuf.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
uipc_socket.c Merge filt_soread and filt_solisten and decide what to do when checking 2017-02-01 13:12:07 +00:00
uipc_syscalls.c Add kern_listen(), kern_shutdown(), and kern_socket(), and use them 2017-01-30 12:57:22 +00:00
uipc_usrreq.c For non-listening AF_UNIX sockets return error code EOPNOTSUPP to match 2017-01-25 22:26:45 +00:00
vfs_acl.c
vfs_aio.c Rework r313352. 2017-02-13 09:04:38 +00:00
vfs_bio.c Do not set BIO_DONE if the BIO specifies a completion handler. 2017-01-10 21:41:28 +00:00
vfs_cache.c cache: use vrefact for '.' lookups and refing the rdir in fullpath 2017-01-30 03:20:05 +00:00
vfs_cluster.c Move bogus_page declaration to vm_page.h and initialization to vm_page.c. 2017-01-04 22:27:19 +00:00
vfs_default.c Make the code match the comments: If we have ANY buf's that failed 2017-02-21 18:56:06 +00:00
vfs_export.c Fix build when no INET and INET6 in kernel config. 2016-11-17 16:13:30 +00:00
vfs_extattr.c
vfs_hash.c Add vfs_hash_ref(9) function, which finds a vnode by the hash value 2016-05-11 06:32:22 +00:00
vfs_init.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
vfs_lookup.c Provide fallback VOP methods for crossmp vnode. 2017-01-22 19:36:02 +00:00
vfs_mount.c Do not allocate struct statfs on kernel stack. 2017-01-05 17:19:26 +00:00
vfs_mountroot.c Make root_mount_hold() work after boot. This is important for two 2017-02-06 20:44:34 +00:00
vfs_subr.c vfs: use atomic_fcmpset in vfs_refcount_* 2017-02-05 03:23:16 +00:00
vfs_syscalls.c Replace calls to sys_truncate() with kern_truncate(). 2017-01-31 15:19:44 +00:00
vfs_vnops.c Apply noexec mount option for mmap(PROT_EXEC). 2017-02-19 20:51:04 +00:00
vnode_if.src Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00