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Filename Latest commit message Latest commit date
Yewon Choi f781fb5177 rds: introduce acquire/release ordering in acquire/release_in_xmit()
[ Upstream commit 1422f28826d2a0c11e5240b3e951c9e214d8656e ]

acquire/release_in_xmit() work as bit lock in rds_send_xmit(), so they
are expected to ensure acquire/release memory ordering semantics.
However, test_and_set_bit/clear_bit() don't imply such semantics, on
top of this, following smp_mb__after_atomic() does not guarantee release
ordering (memory barrier actually should be placed before clear_bit()).

Instead, we use clear_bit_unlock/test_and_set_bit_lock() here.

Fixes: 0f4b1c7e89 ("rds: fix rds_send_xmit() serialization")
Fixes: 1f9ecd7eac ("RDS: Pass rds_conn_path to rds_send_xmit()")
Signed-off-by: Yewon Choi <woni9911@gmail.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://lore.kernel.org/r/ZfQUxnNTO9AJmzwc@libra05
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:22:25 -04:00
arch s390/vtime: fix average steal time calculation 2024-03-26 18:22:24 -04:00
block
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Documentation media: rename VFL_TYPE_GRABBER to _VIDEO 2024-03-26 18:22:22 -04:00
drivers octeontx2-af: Use matching wake_up API variant in CGX command interface 2024-03-26 18:22:24 -04:00
fs afs: Revert "afs: Hide silly-rename files from userspace" 2024-03-26 18:22:24 -04:00
include media: rename VFL_TYPE_GRABBER to _VIDEO 2024-03-26 18:22:22 -04:00
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net rds: introduce acquire/release ordering in acquire/release_in_xmit() 2024-03-26 18:22:25 -04:00
samples media: rename VFL_TYPE_GRABBER to _VIDEO 2024-03-26 18:22:22 -04:00
scripts kconfig: fix infinite loop when expanding a macro at the end of file 2024-03-26 18:22:24 -04:00
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sound ALSA: usb-audio: Stop parsing channels bits when all channels are found. 2024-03-26 18:22:23 -04:00
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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.