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Johannes Berg 1e1bb1efd6 iwlwifi: mvm: don't change band on bound PHY contexts 
[ Upstream commit 8835a64f74 ]

When we have a P2P Device active, we attempt to only change the
PHY context it uses when we get a new remain-on-channel, if the
P2P Device is the only user of the PHY context.

This is fine if we're switching within a band, but if we're
switching bands then the switch implies a removal and re-add
of the PHY context, which isn't permitted by the firmware while
it's bound to an interface.

Fix the code to skip the unbind/release/... cycle only if the
band doesn't change (or we have old devices that can switch the
band on the fly as well.)

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210612142637.e9ac313f70f3.I713b9d109957df7e7d9ed0861d5377ce3f8fccd3@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-19 09:44:52 +02:00
arch MIPS: add PMD table accounting into MIPS'pmd_alloc_one 2021-07-19 09:44:51 +02:00
block
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Documentation
drivers iwlwifi: mvm: don't change band on bound PHY contexts 2021-07-19 09:44:52 +02:00
fs io_uring: fix false WARN_ONCE 2021-07-19 09:44:51 +02:00
include net: fix mistake path for netdev_features_strings 2021-07-19 09:44:51 +02:00
init
ipc
kernel bpf: Fix up register-based shifts in interpreter to silence KUBSAN 2021-07-19 09:44:50 +02:00
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net vsock: notify server to shutdown when client has pending signal 2021-07-19 09:44:52 +02:00
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security selinux: use __GFP_NOWARN with GFP_NOWAIT in the AVC 2021-07-19 09:44:49 +02:00
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tools selftests: Clean forgotten resources as part of cleanup() 2021-07-19 09:44:49 +02:00
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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.