openbsd
3 years agoExpand the regress test quite a bit to make sure no new regressions are
martijn [Sat, 1 May 2021 16:55:14 +0000 (16:55 +0000)]
Expand the regress test quite a bit to make sure no new regressions are
introduced by the previous libagentx commit. There's a few of the new tests
failing, mark those as such.

3 years agoRefactor varbind OID parsing into their indices. Simplifies the code by
martijn [Sat, 1 May 2021 16:44:17 +0000 (16:44 +0000)]
Refactor varbind OID parsing into their indices.  Simplifies the code by
about 40 LoC and fixes a potential out of bounds read.

Bug found by bluhm@ on arm64 regress
OK bluhm@

3 years agoRemoved unused SYSCTL_INT_UNBOUNDED (no use planned)
gnezdo [Sat, 1 May 2021 16:18:58 +0000 (16:18 +0000)]
Removed unused SYSCTL_INT_UNBOUNDED (no use planned)

Added a comment for SYSCTL_INT_READONLY.

OK mvs@

3 years agoUpdate the remaining SYSCTL_INT_READONLY cases
gnezdo [Sat, 1 May 2021 16:18:28 +0000 (16:18 +0000)]
Update the remaining SYSCTL_INT_READONLY cases

OK mvs@

3 years agoImplement per-socket `so_lock' rwlock(9) and use it to protect routing
mvs [Sat, 1 May 2021 16:13:12 +0000 (16:13 +0000)]
Implement per-socket `so_lock' rwlock(9) and use it to protect routing
(PF_ROUTE) sockets. This can be done because we have no cases where one
thread should lock two sockets simultaneously.

Against the previous version rtm_senddesync_timer() execution was moved
to process context.

Also this time `so_lock' used for routing sockets only but in the future
it will be used to other socket types too.

tested by claudio@

ok claudio@ bluhm@

3 years agoRetire OpenBSD/sgi.
visa [Sat, 1 May 2021 16:10:29 +0000 (16:10 +0000)]
Retire OpenBSD/sgi.

OK deraadt@

3 years agosync
deraadt [Sat, 1 May 2021 14:47:15 +0000 (14:47 +0000)]
sync

3 years agobump to LibreSSL 3.4.0 in -current
bcook [Sat, 1 May 2021 14:15:57 +0000 (14:15 +0000)]
bump to LibreSSL 3.4.0 in -current

3 years agoPlug leak in c2i_ASN1_OBJECT
tb [Sat, 1 May 2021 13:16:30 +0000 (13:16 +0000)]
Plug leak in c2i_ASN1_OBJECT

When using the object reuse facility of c2i_ASN1_OBJECT, the dynamically
allocated strings a may contain are set to NULL, so we must free them
beforehand. Also clear the flag, because that's what OpenSSL chose to do.

From Richard Levitte OpenSSL 1.1.1 65b88a75921533ada8b465bc8d5c0817ad927947

ok inoguchi

3 years agoPrevent double free in int_TS_RESP_verify_token
tb [Sat, 1 May 2021 13:13:45 +0000 (13:13 +0000)]
Prevent double free in int_TS_RESP_verify_token

If TS_compute_imprint fails after md_alg was allocated, there will be a
double free in its caller. Obvious fix is to null out the output
parameter md_alg just like it's already done for imprint and imprint_len.

From Pauli Dale, OpenSSL 1.1.1, a3dea76f742896b7d75a0c0529c0af1e628bd853

ok inoguchi jsing

3 years agoImplement early console functionality based on available SBI calls.
kettenis [Sat, 1 May 2021 12:29:05 +0000 (12:29 +0000)]
Implement early console functionality based on available SBI calls.

While these calls are part of the legacy extensions and deprecated, they
are really useful for debugging purposes.

ok jsg@

3 years agoIn singel user mode / is mounted ro. Just warn if we can't create
florian [Sat, 1 May 2021 11:53:24 +0000 (11:53 +0000)]
In singel user mode / is mounted ro. Just warn if we can't create
the control socket instead of fatal().
OK deraadt

3 years agoAllow running in single user mode where /var/empty doesn't exist by
florian [Sat, 1 May 2021 11:53:06 +0000 (11:53 +0000)]
Allow running in single user mode where /var/empty doesn't exist by
switching from chroot("/var/empty") to unveil("/", "").
This is just an extra pair of suspenders since these processes
pledge(2) to not access the filesystem.
OK deraadt

3 years agoIn singel user mode / is mounted ro. Just warn if we can't create
florian [Sat, 1 May 2021 11:52:36 +0000 (11:52 +0000)]
In singel user mode / is mounted ro. Just warn if we can't create
the control socket instead of fatal().
OK deraadt

3 years agoAllow running in single user mode where /var/empty doesn't exist by
florian [Sat, 1 May 2021 11:51:59 +0000 (11:51 +0000)]
Allow running in single user mode where /var/empty doesn't exist by
switching from chroot("/var/empty") to unveil("/", "").
This is just an extra pair of suspenders since these processes
pledge(2) to not access the filesystem.
OK deraadt

3 years agoupdate currency exchange rates;
jmc [Sat, 1 May 2021 06:02:32 +0000 (06:02 +0000)]
update currency exchange rates;

3 years agoKERNEL_LOCK/UNLOCK() was pushed into trapsignal() last August
jsg [Sat, 1 May 2021 03:15:30 +0000 (03:15 +0000)]
KERNEL_LOCK/UNLOCK() was pushed into trapsignal() last August

3 years agouse sival_ptr instead of sival_int for breakpoint and illegal inst
jsg [Sat, 1 May 2021 03:03:15 +0000 (03:03 +0000)]
use sival_ptr instead of sival_int for breakpoint and illegal inst

For breakpoints stval will have a vaddr.  For illegal instructions stval
may be as large as a register or the widest instruction.

Also avoid using an uninitialised variable for stval.

ok mlarkin@ drahn@

3 years agoregen llvm man pages from rst with
jsg [Sat, 1 May 2021 01:00:41 +0000 (01:00 +0000)]
regen llvm man pages from rst with

cd /usr/src/gnu/llvm/llvm/docs
gmake -f Makefile.sphinx man

cd /usr/src/gnu/llvm/clang/docs
gmake -f Makefile.sphinx man

cmake -DLLVM_ENABLE_SPHINX=ON -DLLDB_INCLUDE_TESTS=OFF /usr/src/gnu/llvm/lldb/
make docs-lldb-man

3 years agoarvm7 -> armv7
jsg [Sat, 1 May 2021 00:43:12 +0000 (00:43 +0000)]
arvm7 -> armv7

3 years agovariable has to be a pointer after last change
deraadt [Sat, 1 May 2021 00:22:33 +0000 (00:22 +0000)]
variable has to be a pointer after last change

3 years agomake timer/intc cd_name match config
jsg [Fri, 30 Apr 2021 23:00:38 +0000 (23:00 +0000)]
make timer/intc cd_name match config

ok kettenis@ mlarkin@

3 years agoClean up and harden TLSv1.2 master key derivation.
jsing [Fri, 30 Apr 2021 19:26:44 +0000 (19:26 +0000)]
Clean up and harden TLSv1.2 master key derivation.

The master key and its length are only stored in one location, so it makes
no sense to handle these outside of the derivation function (the current
'out' argument is unused). This simplifies the various call sites.

If derivation fails for some reason, fail hard rather than continuing on
and hoping that something deals with this correctly later.

ok inoguchi@ tb@

3 years agoFix linkage error due to fp* functions.
drahn [Fri, 30 Apr 2021 16:13:00 +0000 (16:13 +0000)]
Fix linkage error due to fp* functions.
ok kettenis@

3 years agoRearrange the implementation of bounded sysctl. The primitive
bluhm [Fri, 30 Apr 2021 13:52:48 +0000 (13:52 +0000)]
Rearrange the implementation of bounded sysctl.  The primitive
functions are sysctl_int() and sysctl_rdint().  This brings us back
the 4.4BSD implementation.  Then sysctl_int_bounded() builds the
magic for range checks on top.  sysctl_bounded_arr() is a wrapper
around it to support multiple variables.
Introduce macros that describe the meaning of the magic boundary
values.  Use these macros in obvious places.
input and OK gnezdo@ mvs@

3 years agoadd arch to Dt lines;
jmc [Fri, 30 Apr 2021 13:52:12 +0000 (13:52 +0000)]
add arch to Dt lines;

3 years agoAdd zqclock(4), a driver for Zynq-7000 clocks.
visa [Fri, 30 Apr 2021 13:25:24 +0000 (13:25 +0000)]
Add zqclock(4), a driver for Zynq-7000 clocks.

Input and OK kettenis@

3 years agoAdd zqreset(4), a driver for Zynq-7000 resets.
visa [Fri, 30 Apr 2021 13:20:14 +0000 (13:20 +0000)]
Add zqreset(4), a driver for Zynq-7000 resets.

Input and OK kettenis@

3 years agoremove now unused elf.h
jsg [Fri, 30 Apr 2021 13:13:31 +0000 (13:13 +0000)]
remove now unused elf.h

3 years agoremove FreeBSD derived riscv cpu ident
jsg [Fri, 30 Apr 2021 12:57:29 +0000 (12:57 +0000)]
remove FreeBSD derived riscv cpu ident

print the mvendorid marchid mimpid values from sbi instead of
using hardcoded values

continue printing riscv,isa and copy it to cpu_model so it
will show up in sysctl

ok kettenis@

3 years agoreduce diff to current arm64
jsg [Fri, 30 Apr 2021 08:54:15 +0000 (08:54 +0000)]
reduce diff to current arm64

ok mlarkin@

3 years agofix newlines for devices attaching to cpu
jsg [Fri, 30 Apr 2021 06:29:19 +0000 (06:29 +0000)]
fix newlines for devices attaching to cpu

3 years agoa little debugging in the main mux process for status confirmation
djm [Fri, 30 Apr 2021 04:29:53 +0000 (04:29 +0000)]
a little debugging in the main mux process for status confirmation
failures in multiplexed sessions

3 years agoRemove now-unused skey function prototypes leftover from skey removal.
dtucker [Fri, 30 Apr 2021 04:02:52 +0000 (04:02 +0000)]
Remove now-unused skey function prototypes leftover from skey removal.

3 years agoremove commented arm console init lines
jsg [Fri, 30 Apr 2021 03:17:08 +0000 (03:17 +0000)]
remove commented arm console init lines

3 years agoWhen terminating via pledge_fail() stop all threads, before issuing a
deraadt [Fri, 30 Apr 2021 02:06:22 +0000 (02:06 +0000)]
When terminating via pledge_fail() stop all threads, before issuing a
(delayed action) sigabort() and disabling all syscalls for this process
(ie. all threads).  This resulted in multiple-threads crashing over top
of themselves, and a poor debugging experience.  We keep using sigabort()
rather than sigexit(), to keep the debugging process good.
Diagnosed from a report from brynet, and followup discussion with many.

3 years agoFix line swap resulting in misplaced ',' causing build error.
drahn [Fri, 30 Apr 2021 00:25:52 +0000 (00:25 +0000)]
Fix line swap resulting in misplaced ',' causing build error.

3 years agoLinting: remove duplicate struct definition (plus whitespace)
dv [Thu, 29 Apr 2021 23:27:10 +0000 (23:27 +0000)]
Linting: remove duplicate struct definition (plus whitespace)

"sure" mlarkin@

3 years agoMake iwn, iwm, and iwx keep track of beacon parameters at run-time.
stsp [Thu, 29 Apr 2021 21:43:46 +0000 (21:43 +0000)]
Make iwn, iwm, and iwx keep track of beacon parameters at run-time.

- HT protection settings (this was already implemented)
- ERP (11g) protection setting
- short slottime setting
- short preamble setting
- EDCA (QoS) parameters

All of these parameters are communicated in beacons and hardware is
now kept up-to-date with them.

Prompted by a problem report from Christian Ehrhardt regarding ERP.

Tested:
iwn 6205: stsp, Josh Grosse
iwm 7265: trondd
iwm 8265: stsp, Matthias Schmidt
iwm 9260: phessler
iwx ax200: stsp, jmc, gnezdo

3 years agoRemove netlock assertions from UNIX sockets layer.
mvs [Thu, 29 Apr 2021 20:13:25 +0000 (20:13 +0000)]
Remove netlock assertions from UNIX sockets layer.

ok bluhm@

3 years agoriscv64 libkvm support
drahn [Thu, 29 Apr 2021 20:00:18 +0000 (20:00 +0000)]
riscv64 libkvm support
copied from aarch64 with minimal changes

3 years agoriscv64 share/mk
drahn [Thu, 29 Apr 2021 19:21:31 +0000 (19:21 +0000)]
riscv64 share/mk
Add riscv64 to the list of PIE/static PIE and clang architectures.

3 years ago*** empty log message ***
drahn [Thu, 29 Apr 2021 18:48:30 +0000 (18:48 +0000)]
*** empty log message ***

3 years agoriscv64 libc
drahn [Thu, 29 Apr 2021 18:39:53 +0000 (18:39 +0000)]
riscv64 libc
asm defines, copied from aarch64.

3 years agoriscv64 libc
drahn [Thu, 29 Apr 2021 18:37:19 +0000 (18:37 +0000)]
riscv64 libc
Makefile.inc was missed in previous commit
ok kettenis@

3 years agoriscv64 libc, more pieces.
drahn [Thu, 29 Apr 2021 18:33:36 +0000 (18:33 +0000)]
riscv64 libc, more pieces.
largely derived from aarch64 code.
usertc.c taken from hppa
with cleanup to Symbols.list and tfork_thread.S
Further cleanup and enhancement will be performed in-tree.
ok kettenis@

3 years agoUse relative reference URIs in Location header on directory redirects.
dv [Thu, 29 Apr 2021 18:23:07 +0000 (18:23 +0000)]
Use relative reference URIs in Location header on directory redirects.

This adds support for front-ending httpd(8) with a TLS-terminating
gateway like relayd(8) that forwards unencrypted http traffic.

Previously httpd(8) would use a full URL in the Location header in 301
redirects when a user-agent requests a directory but without the
trailing '/'. If the user-agent originally connected with https, this
caused the redirected url to be http.

This change conforms to RFC7231 section 7.1.2.

Reported by Vincent Lee.

OK claudio@

3 years agoClean up <machine/ieeefp.h> and make sure the rounding mode bits match the
kettenis [Thu, 29 Apr 2021 17:19:18 +0000 (17:19 +0000)]
Clean up <machine/ieeefp.h> and make sure the rounding mode bits match the
hardware.  Implement fp[gs]etround(3) and fp[gs]etsticky(3) and tweak
the fp[gs]etmask(3) implementation to provide the right weak symbols.
This implementation deliberately ignores the additional
"round to nearest, away from zero" as this interface is derived from
i386-specific code and the i387 FPU doesn't implement such a rounding
mode.  This is a legacy API and code should use <fenv.h> instead.

ok drahn@

3 years agoRevert part of the previous uvm_km_zalloc(9) to km_alloc(9) commit.
bluhm [Thu, 29 Apr 2021 15:34:22 +0000 (15:34 +0000)]
Revert part of the previous uvm_km_zalloc(9) to km_alloc(9) commit.
The chunk with mapping for pm_pdir_intel causes crashes for sthen@
and bluhm@.  i386 pagedaemon panic: kernel diagnostic assertion
"pg->wire_count == 0" failed: file "/usr/src/sys/uvm/uvm_page.c",
line 1265
One of my 8 CPU 3 GB RAM machines can reproduce it when building
clang with make -j 9.  This commit hides the underlying bug.
OK mpi@

3 years agoReplace uvm_km_alloc(9) calls with km_alloc(9) calls. Make the copied ROM
kettenis [Thu, 29 Apr 2021 15:12:14 +0000 (15:12 +0000)]
Replace uvm_km_alloc(9) calls with km_alloc(9) calls.  Make the copied ROM
contents executable using pmap_kenter_pa(9) since uvm stops us from doing
so using higher-level interfaces (for good reasons).
Maintaining W^X of course!

ok mpi@

3 years agoExtend the fork and exit test with threads. Simultaneously kill
bluhm [Thu, 29 Apr 2021 13:39:22 +0000 (13:39 +0000)]
Extend the fork and exit test with threads.  Simultaneously kill
30 processes with 30 threads each.

3 years agoRemove unused RM7000 ICR handling.
visa [Thu, 29 Apr 2021 12:49:19 +0000 (12:49 +0000)]
Remove unused RM7000 ICR handling.

3 years agodescend into arch/riscv64
jsg [Thu, 29 Apr 2021 11:32:20 +0000 (11:32 +0000)]
descend into arch/riscv64

3 years agoadd riscv64 efibind.h
jsg [Thu, 29 Apr 2021 11:29:05 +0000 (11:29 +0000)]
add riscv64 efibind.h

ok drahn@ kettenis@

3 years agoregen
jsg [Thu, 29 Apr 2021 05:53:51 +0000 (05:53 +0000)]
regen

3 years agoadd RISCV
jsg [Thu, 29 Apr 2021 05:51:57 +0000 (05:51 +0000)]
add RISCV

3 years agoriscv64 clang support.
drahn [Thu, 29 Apr 2021 05:32:01 +0000 (05:32 +0000)]
riscv64 clang support.
With several fixes from review integrated.
ok patrick@

3 years agoRemove extraneous for() likely caused by copy & paste.
millert [Thu, 29 Apr 2021 01:57:00 +0000 (01:57 +0000)]
Remove extraneous for() likely caused by copy & paste.
From trondd, OK pjanzen@

3 years agoUse a universally understood example time (with AM, which is even easier
deraadt [Thu, 29 Apr 2021 00:47:53 +0000 (00:47 +0000)]
Use a universally understood example time (with AM, which is even easier
to understand)
from Edgar Pettijohn

3 years agosync
deraadt [Thu, 29 Apr 2021 00:04:06 +0000 (00:04 +0000)]
sync

3 years agoBuild libcompiler_rt for riscv64
drahn [Wed, 28 Apr 2021 22:56:22 +0000 (22:56 +0000)]
Build libcompiler_rt for riscv64
ok kettenis@

3 years agoEnable libunwind on riscv64
drahn [Wed, 28 Apr 2021 22:45:33 +0000 (22:45 +0000)]
Enable libunwind on riscv64
getWCookie() is an OpenBSD addition that is needed on new architectures.
ok kettenis@

3 years agoUse mq_delist() to fetch the ARP mbuf hold queue once and feed the
bluhm [Wed, 28 Apr 2021 21:21:44 +0000 (21:21 +0000)]
Use mq_delist() to fetch the ARP mbuf hold queue once and feed the
mbuf list to if_output().
OK sashan@ mvs@

3 years agosync
deraadt [Wed, 28 Apr 2021 20:05:47 +0000 (20:05 +0000)]
sync

3 years agosync
deraadt [Wed, 28 Apr 2021 19:33:38 +0000 (19:33 +0000)]
sync

3 years agoAdd sndio.pc file for pkg-config, mostly from brad@
ratchov [Wed, 28 Apr 2021 19:12:53 +0000 (19:12 +0000)]
Add sndio.pc file for pkg-config, mostly from brad@

ok and help from espie@

3 years agoriscv64 efiboot bootloader
drahn [Wed, 28 Apr 2021 19:01:00 +0000 (19:01 +0000)]
riscv64 efiboot bootloader
Ported from arm64 with changes for riscv64.
Initial effort by Mickael Torres, with additional updates
ACPI api removed per request
ok kettenis@

3 years agoTo hunt kernel bugs during exit, terminate processes simultaneously.
bluhm [Wed, 28 Apr 2021 17:59:53 +0000 (17:59 +0000)]
To hunt kernel bugs during exit, terminate processes simultaneously.
Fork 300 children that sleep.  Kill them together as process group.
Sleeping can optionally be done with individual memory layout by
executing sleep(1).

3 years agoRevert "Handle X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE in new
tb [Wed, 28 Apr 2021 17:53:34 +0000 (17:53 +0000)]
Revert "Handle X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE in new
verifier." (r1.27). While this may have "fixed" one corner case, it
broke expectations of Perl Net::SSLeay and Ruby OpenSSL regression
tests.

ok bcook

3 years agoUse "new" vmctl syntax in the example.
tb [Wed, 28 Apr 2021 17:44:35 +0000 (17:44 +0000)]
Use "new" vmctl syntax in the example.

3 years agoImplement __flt_rounds() for RISC-V. RISC-V is "interesting" since it
kettenis [Wed, 28 Apr 2021 15:38:59 +0000 (15:38 +0000)]
Implement __flt_rounds() for RISC-V.  RISC-V is "interesting" since it
implements a variation on the traditional "to nearest" rounding mode that
rounds away from zero when tied.  The upcoming C2x includes support for that
and LLVM already implements this so provide an implementation that matches
our system compiler.

ok drahn@

3 years agoriscv64 libc setjmp functions,
drahn [Wed, 28 Apr 2021 15:28:54 +0000 (15:28 +0000)]
riscv64 libc setjmp functions,
Based on arm64 versions
this implementation is missing jmpxor security enhancement.
Good enough deraadt@

3 years agoriscv64 ld.so
drahn [Wed, 28 Apr 2021 15:16:26 +0000 (15:16 +0000)]
riscv64 ld.so
derived from arm64
go ahead deraadt@

3 years agobuild eeprom on riscv64
jsg [Wed, 28 Apr 2021 15:15:37 +0000 (15:15 +0000)]
build eeprom on riscv64

3 years agodescend into riscv64 dirs
jsg [Wed, 28 Apr 2021 15:11:27 +0000 (15:11 +0000)]
descend into riscv64 dirs

ok deraadt@

3 years agoadd a Makefile for riscv64 man8
jsg [Wed, 28 Apr 2021 14:45:08 +0000 (14:45 +0000)]
add a Makefile for riscv64 man8

3 years agorecognise riscv64 as a valid arch in mandoc
jsg [Wed, 28 Apr 2021 14:29:50 +0000 (14:29 +0000)]
recognise riscv64 as a valid arch in mandoc

ok jmc@ deraadt@

3 years agocreate riscv64 man dirs
jsg [Wed, 28 Apr 2021 14:25:15 +0000 (14:25 +0000)]
create riscv64 man dirs

ok deraadt@

3 years agosync
patrick [Wed, 28 Apr 2021 13:07:32 +0000 (13:07 +0000)]
sync

3 years agoUpdate build infrastructure for libc++ and libc++abi version 11.1.0.
patrick [Wed, 28 Apr 2021 13:06:20 +0000 (13:06 +0000)]
Update build infrastructure for libc++ and libc++abi version 11.1.0.

3 years agoMerge libc++, libc++abi and libunwind version 11.1.0.
patrick [Wed, 28 Apr 2021 13:04:36 +0000 (13:04 +0000)]
Merge libc++, libc++abi and libunwind version 11.1.0.

3 years agoImport libc++ 11.1.0 release.
patrick [Wed, 28 Apr 2021 12:59:51 +0000 (12:59 +0000)]
Import libc++ 11.1.0 release.

3 years agoImport libc++abi 11.1.0 release.
patrick [Wed, 28 Apr 2021 12:59:30 +0000 (12:59 +0000)]
Import libc++abi 11.1.0 release.

3 years agoImport libunwind 11.1.0 release.
patrick [Wed, 28 Apr 2021 12:59:01 +0000 (12:59 +0000)]
Import libunwind 11.1.0 release.

3 years agosync
patrick [Wed, 28 Apr 2021 12:56:24 +0000 (12:56 +0000)]
sync

3 years agoUpdate clang build infrastructure for LLVM 11.1.0.
patrick [Wed, 28 Apr 2021 12:55:37 +0000 (12:55 +0000)]
Update clang build infrastructure for LLVM 11.1.0.

Heavy lifting by mortimer@, thank you so much!

3 years agoMerge LLVM 11.1.0.
patrick [Wed, 28 Apr 2021 12:49:07 +0000 (12:49 +0000)]
Merge LLVM 11.1.0.

3 years agoImport LLVM 11.1.0 release including clang, lld and lldb.
patrick [Wed, 28 Apr 2021 12:29:46 +0000 (12:29 +0000)]
Import LLVM 11.1.0 release including clang, lld and lldb.

3 years agoImport LLVM 11.1.0 release including clang, lld and lldb.
patrick [Wed, 28 Apr 2021 12:29:31 +0000 (12:29 +0000)]
Import LLVM 11.1.0 release including clang, lld and lldb.

3 years agoImport LLVM 11.1.0 release including clang, lld and lldb.
patrick [Wed, 28 Apr 2021 12:28:50 +0000 (12:28 +0000)]
Import LLVM 11.1.0 release including clang, lld and lldb.

3 years agoImport LLVM 11.1.0 release including clang, lld and lldb.
patrick [Wed, 28 Apr 2021 12:27:20 +0000 (12:27 +0000)]
Import LLVM 11.1.0 release including clang, lld and lldb.

3 years agoEnable dt(4) on amd64, arm64, i386, and powerpc64 in GENERIC kernel.
bluhm [Wed, 28 Apr 2021 11:32:59 +0000 (11:32 +0000)]
Enable dt(4) on amd64, arm64, i386, and powerpc64 in GENERIC kernel.
Support to skip frames is missing on arm64 and i386, but the stack
traces are useful anyway.  sparc64 should work, but I could not
test it.  Other architectures do not have stacktrace_save_at() and
dynamic tracer does not link.
from patrick@; OK semarie@

3 years agoDocument the locking mechanism of the global variables in ARP code.
bluhm [Wed, 28 Apr 2021 10:33:34 +0000 (10:33 +0000)]
Document the locking mechanism of the global variables in ARP code.
The global list of ARP llinfo is protected by net lock.  This is
not sufficent when we switch to shared netlock.  Add a mutex for
insertion and removal when net lock is not exclusive.  This is
needed if we want run IP output on multiple CPU.
Put an assertion for shared net lock into arp_rtrequest.
input mvs@; OK sashan@

3 years agoIntroduce a global vnode_mtx and use it to make vn_lock() safe to be called
claudio [Wed, 28 Apr 2021 09:53:53 +0000 (09:53 +0000)]
Introduce a global vnode_mtx and use it to make vn_lock() safe to be called
without the KERNEL_LOCK.
This moves VXLOCK and VXWANT to a mutex protected v_lflag field and also
v_lockcount is protected by this mutex.

The vn_lock() dance is overly complex and all of this should probably replaced
by a proper lock on the vnode but such a diff is a lot more complex. This
is an intermediate step so that at least some calls can be modified to grab
the KERNEL_LOCK later or not at all.

OK mpi@

3 years agotime to add NET_ASSERT_WLOCKED()
sashan [Wed, 28 Apr 2021 09:42:04 +0000 (09:42 +0000)]
time to add NET_ASSERT_WLOCKED()

with moving towards NET_RLOCK...() we need NET_ASSERT_WLOCKED()
to check caller owns netlock exclusively.

OK @bluhm

3 years agoAdd signbitl.c that was missed as part of an earlier commit.
kettenis [Wed, 28 Apr 2021 08:25:07 +0000 (08:25 +0000)]
Add signbitl.c that was missed as part of an earlier commit.

ok drahn@

3 years agoRISC-V does not implement trapping of floating point exceptions, so use
kettenis [Wed, 28 Apr 2021 08:22:56 +0000 (08:22 +0000)]
RISC-V does not implement trapping of floating point exceptions, so use
the same dummy fpgetmask(3) and fpsetmask(3) implementation as arm64.

ok drahn@

3 years agosndiod: Attach client at the same position, regardless the device mode
ratchov [Wed, 28 Apr 2021 05:10:29 +0000 (05:10 +0000)]
sndiod: Attach client at the same position, regardless the device mode

This is necessary to make rec-only devices properly work in
full-duplex. Fixes full-duplex clients stuck on rec-only device.

3 years agosndiod: Allocate (free) conversion buffers in slot_attach (slot_detach)
ratchov [Wed, 28 Apr 2021 05:05:05 +0000 (05:05 +0000)]
sndiod: Allocate (free) conversion buffers in slot_attach (slot_detach)

Besides being better coding style, this allows a client to be detached
and then attached to a device with different parameters.

3 years agoAdd RISC-V elf executable detection.
drahn [Wed, 28 Apr 2021 04:41:14 +0000 (04:41 +0000)]
Add RISC-V elf executable detection.
looks good jsg@