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Stefano Garzarella 0d9b5b3af1 io_uring: add 'cq_flags' field for the CQ ring
This patch adds the new 'cq_flags' field that should be written by
the application and read by the kernel.

This new field is available to the userspace application through
'cq_off.flags'.
We are using 4-bytes previously reserved and set to zero. This means
that if the application finds this field to zero, then the new
functionality is not supported.

In the next patch we will introduce the first flag available.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-05-15 12:16:59 -06:00
arch - Add -fasynchronous-unwind-tables to the vDSO CFLAGS. 2020-05-01 17:09:31 -07:00
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Documentation dmaengine fixes for v5.7-rc4 2020-05-02 11:16:14 -07:00
drivers IOMMU Fixes for Linux v5.7-rc3 2020-05-03 11:04:57 -07:00
fs io_uring: add 'cq_flags' field for the CQ ring 2020-05-15 12:16:59 -06:00
include io_uring: add 'cq_flags' field for the CQ ring 2020-05-15 12:16:59 -06:00
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Makefile Linux 5.7-rc4 2020-05-03 14:56:04 -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.