Andrii Nakryiko 6f04180ca6 Merge branch 'libbpf: Fixes for ring buffer'
Hou Tao says:

====================

From: Hou Tao <houtao1@huawei.com>

Hi,

The patch set tries to fix the problems found when testing ringbuf by
using 4KB and 2GB size. Patch 1 fixes the probe of ring buffer map on
host with 64KB page (e.g., an ARM64 host). Patch 2 & 3 fix the overflow
of length when mmaping 2GB kernel ringbuf or user ringbuf on libbpf.
Patch 4 just reject the reservation with invalid size.

Please see individual patch for details. And comments are always
welcome.

Change Log:
v2:
 * patch 1: use page size instead of adjust_ringbuf_sz(4096) as main_entries (suggested by Stanislav)
 * patch 2 & 3: use "mmap_sz" instead of "ro_size/wr_size" as name of mmap length (From Andrii)
v1: https://lore.kernel.org/bpf/20221111092642.2333724-1-houtao@huaweicloud.com
====================

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
2022-11-17 15:50:09 -08:00
2022-09-28 09:02:20 +02:00
2022-09-28 09:02:20 +02:00
2022-10-20 21:27:21 -07:00
2022-09-28 09:02:20 +02:00
2022-11-10 13:53:53 -08:00
2022-11-06 15:07:11 -08:00

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.
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