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David Howells e7d553d69c pipe: Add notification lossage handling
Add handling for loss of notifications by having read() insert a
loss-notification message after it has read the pipe buffer that was last
in the ring when the loss occurred.

Lossage can come about either by running out of notification descriptors or
by running out of space in the pipe ring.

Signed-off-by: David Howells <dhowells@redhat.com>
2020-05-19 15:40:28 +01:00
arch A single bugfix for the ORC unwinder to ensure that the error flag which 2020-05-17 12:20:14 -07:00
block
certs
crypto
Documentation watch_queue: Add a key/keyring notification facility 2020-05-19 15:19:06 +01:00
drivers Convert i2c_new_device() to i2c_new_client_device() 2020-05-17 16:07:30 -07:00
fs pipe: Add notification lossage handling 2020-05-19 15:40:28 +01:00
include pipe: Add notification lossage handling 2020-05-19 15:40:28 +01:00
init pipe: Add general notification queue support 2020-05-19 15:08:24 +01:00
ipc
kernel pipe: Add notification lossage handling 2020-05-19 15:40:28 +01:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-15 13:10:06 -07:00
LICENSES
mm
net NFS client bugfixes for Linux 5.7 2020-05-15 14:03:13 -07:00
samples pipe: Add notification lossage handling 2020-05-19 15:40:28 +01:00
scripts
security watch_queue: Add a key/keyring notification facility 2020-05-19 15:19:06 +01:00
sound
tools A new testcase for guest debugging (gdbstub) that exposed a bunch of 2020-05-16 13:39:22 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-15 13:10:06 -07:00
Makefile Linux 5.7-rc6 2020-05-17 16:48:37 -07:00
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.