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Since ath10k_mac_tx_push_txq() can be called from process context, we must explicitly disable softirqs before the call into mac80211. By calling ieee80211_tx_dequeue_ni() instead of ieee80211_tx_dequeue() we make sure softirqs are always disabled even in the case when ath10k_mac_tx_push_txq() is called from process context. Calling ieee80211_tx_dequeue_ni() with softirq's already disabled (e.g., from softirq context) should be safe as the local_bh_disable() and local_bh_enable() functions (called from ieee80211_tx_dequeue_ni) are fully reentrant. Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> |
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arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
COPYING | ||
CREDITS | ||
Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
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.