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Pavel Begunkov 9dc0dcb6dc io_uring/net: don't skip notifs for failed requests 
[ upstream commit 6ae91ac9a6 ]

We currently only add a notification CQE when the send succeded, i.e.
cqe.res >= 0. However, it'd be more robust to do buffer notifications
for failed requests as well in case drivers decide do something fanky.

Always return a buffer notification after initial prep, don't hide it.
This behaviour is better aligned with documentation and the patch also
helps the userspace to respect it.

Cc: stable@vger.kernel.org # 6.0
Suggested-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9c8bead87b2b980fcec441b8faef52188b4a6588.1664292100.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-10-21 12:39:27 +02:00
arch arm64: dts: imx8mp: Add snps,gfladj-refclk-lpm-sel quirk to USB nodes 2022-10-21 12:39:24 +02:00
block blk-mq: use quiesced elevator switch when reinitializing queues 2022-10-21 12:39:25 +02:00
certs certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
crypto crypto: akcipher - default implementation for setting a private key 2022-10-21 12:38:59 +02:00
Documentation x86/apic: Don't disable x2APIC if locked 2022-10-21 12:39:07 +02:00
drivers clk: bcm2835: Round UART input clock up 2022-10-21 12:39:26 +02:00
fs ext2: Use kvmalloc() for group descriptor array 2022-10-21 12:39:25 +02:00
include scsi: tracing: Fix compile error in trace_array calls when TRACING is disabled 2022-10-21 12:39:24 +02:00
init arm64 fixes for -rc3 2022-08-26 11:32:53 -07:00
io_uring io_uring/net: don't skip notifs for failed requests 2022-10-21 12:39:27 +02:00
ipc ipc: mqueue: fix possible memory leak in init_mqueue_fs() 2022-10-21 12:38:55 +02:00
kernel bpf: use bpf_prog_pack for bpf_dispatcher 2022-10-21 12:39:11 +02:00
lib dyndbg: drop EXPORTed dynamic_debug_exec_queries 2022-10-21 12:38:44 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm mm/mmap: undo ->mmap() when arch_validate_flags() fails 2022-10-21 12:37:42 +02:00
net net: sched: cls_u32: Avoid memcpy() false-positive warning 2022-10-21 12:39:11 +02:00
samples Tracing updates for 5.20 / 6.0 2022-08-05 09:41:12 -07:00
scripts kbuild: rpm-pkg: fix breakage when V=1 is used 2022-10-21 12:39:01 +02:00
security ima: fix blocking of security.ima xattrs of unsupported algorithms 2022-10-21 12:37:58 +02:00
sound ASoC: amd: yc: Add Lenovo Yoga Slim 7 Pro X to quirks table 2022-10-21 12:39:16 +02:00
tools perf intel-pt: Fix system_wide dummy event for hybrid 2022-10-21 12:39:26 +02:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: Drop unnecessary initialization of "ops" in kvm_ioctl_create_device() 2022-08-19 04:05:43 -04:00
.clang-format PCI/DOE: Add DOE mailbox support functions 2022-07-19 15:38:04 -07:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap Qualcomm ARM64 DTS fixes for 6.0 2022-09-23 16:44:37 +02:00
COPYING
CREDITS drm for 5.20/6.0 2022-08-03 19:52:08 -07:00
Kbuild
Kconfig
MAINTAINERS One MAINTAINERS update, two MM fixes, both cc:stable 2022-10-01 09:13:29 -07:00
Makefile Linux 6.0.2 2022-10-15 08:02:59 +02:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.