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Vincenzo Maffione 1d238b07d5 netmap: iflib: stop krings during interface reset
When different processes open separate subsets of the
available rings of a same netmap interface, a device
reset may be performed while one of the processes
is actively using some rings (e.g., caused by another
process executing a nmport_open()).
With this patch, such situation will cause the
active process to get a POLLERR, so that it can
have a chance to detect the situation.
We also guarantee that no process is running a txsync
or rxsync (ioctl or poll) while an iflib device reset
is in progress.

PR:	    252453
MFC after:  1 week
2021-01-09 21:01:46 +00:00
.github/workflows GitHub actions: unbreak macOS build 2021-01-08 15:36:38 +01:00
bin Fix all warnings emitted in make kernel-toolchain 2021-01-07 09:26:22 +00:00
cddl OpenZFS: Fix issues caused by reversed commits + rebase 2021-01-07 17:42:10 -08:00
contrib Update contrib/llvm-project/FREEBSD-Xlist for llvmorg-11.0.1-rc2. 2021-01-03 14:21:54 +01:00
crypto Merge OpenSSL 1.1.1i. 2020-12-09 02:05:14 +00:00
etc BSD.usr.dist: remove aout 2021-01-07 19:14:01 -05:00
gnu gnu: remove gnugrep and libgnuregex 2020-12-25 15:16:33 -06:00
include pccard: Remove wi(4) driver 2021-01-07 20:41:06 -07:00
kerberos5 Fix more -Wundef warnings during bootstrap 2020-10-14 12:28:54 +00:00
lib fileargs: add tests 2021-01-09 21:56:09 +01:00
libexec Retire obsolete a.out rtld 2021-01-07 18:50:01 -05:00
release release.sh: Update GITROOT URL 2020-12-29 09:40:28 -05:00
rescue ping: add a ping6 hard link for backwards compatibility 2020-11-26 18:33:04 +00:00
sbin Fix 32-bit build post 6733401935 2021-01-08 23:38:30 +01:00
secure caroot: drop $FreeBSD$ expansion from root bundle 2020-12-27 21:47:41 -06:00
share bsd.compat.mk: Allow finding non-internal libraries 2021-01-08 14:34:21 -08:00
stand loader: really use bold font for vga text mode 2021-01-08 01:24:30 +02:00
sys netmap: iflib: stop krings during interface reset 2021-01-09 21:01:46 +00:00
targets Rename NO_WERROR -> MK_WERROR=no 2021-01-07 09:31:03 +00:00
tests aio_fsync(2): Support O_DSYNC. 2021-01-08 13:15:56 +13:00
tools build: add WITHOUT_CLEAN workaround for 821aa63a09 2021-01-08 10:43:53 -06:00
usr.bin ldd: renumber executable type constants 2021-01-09 13:34:58 -05:00
usr.sbin certctl: factor out certname resolution 2021-01-08 22:36:22 -06:00
.arcconfig arcconfig: add callsign again 2020-11-23 04:39:29 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml CI: switch to qemu42 package 2020-10-29 02:02:30 +00:00
.clang-format clang-format: Avoid breaking after the opening paren of function definitions 2020-10-28 11:54:00 +00:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore Stop ignoring makeLINT generated files 2020-10-09 00:27:45 +00:00
COPYRIGHT copyrights: Happy New Year 2021 2020-12-31 10:29:44 -05:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Add a pointer to csprng@ for the CSPRNG driver. This is enforced anyway by 2020-09-01 08:02:12 +00:00
Makefile Rename NO_WERROR -> MK_WERROR=no 2021-01-07 09:31:03 +00:00
Makefile.inc1 Makefile.inc1: Avoid using release/Makefile for VERSION. 2021-01-08 14:33:35 -08:00
Makefile.libcompat libcompat: remove redundant path for ncurses 2021-01-07 15:14:52 +01:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc pccard: Remove wi(4) driver 2021-01-07 20:41:06 -07:00
README import terminus-font-4.48 2021-01-02 20:51:22 +02:00
README.md Initial import of vendor/pnglite 2021-01-02 21:20:31 +02:00
RELNOTES Add relnote for r368667, GDB 6.1.1 removal 2020-12-15 17:52:04 +00:00
UPDATING pccard: Update UPDATING 2021-01-07 20:41:08 -07:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html