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Filename Latest commit message Latest commit date
Long Li 3d2e0711ec uio_hv_generic: Set event for all channels on the device
commit d062463edf1770427dc2d637df4088df4835aa47 upstream.

Hyper-V may offer a non latency sensitive device with subchannels without
monitor bit enabled. The decision is entirely on the Hyper-V host not
configurable within guest.

When a device has subchannels, also signal events for the subchannel
if its monitor bit is disabled.

This patch also removes the memory barrier when monitor bit is enabled
as it is not necessary. The memory barrier is only needed between
setting up interrupt mask and calling vmbus_set_event() when monitor
bit is disabled.

Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Link: https://lore.kernel.org/r/1741644721-20389-1-git-send-email-longli@linuxonhyperv.com
Fixes: b15b7d2a1b09 ("uio_hv_generic: Let userspace take care of interrupt mask")
Closes: https://bugs.debian.org/1120602
Signed-off-by: Naman Jain <namjain@linux.microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-12-03 12:45:21 +01:00
arch MIPS: Malta: Fix !EVA SOC-it PCI MMIO 2025-12-03 12:45:20 +01:00
block
certs
crypto crypto: essiv - Check ssize for decryption and in-place encryption 2025-10-29 13:59:52 +01:00
Documentation arm64: errata: Apply workarounds for Neoverse-V3AE 2025-10-29 14:00:00 +01:00
drivers uio_hv_generic: Set event for all channels on the device 2025-12-03 12:45:21 +01:00
fs NFS4: Fix state renewals missing after boot 2025-12-03 12:45:16 +01:00
include mm/ksm: fix flag-dropping behavior in ksm_madvise 2025-12-03 12:45:18 +01:00
init
ipc
kernel gcov: add support for GCC 15 2025-12-03 12:45:19 +01:00
lib lib/genalloc: fix device leak in of_gen_pool_get() 2025-10-29 13:59:53 +01:00
LICENSES
mm mm/page_alloc: fix hash table order logging in alloc_large_system_hash() 2025-12-03 12:45:20 +01:00
net vsock: Ignore signal/timeout on connect() if already established 2025-12-03 12:45:20 +01:00
samples
scripts kconfig/nconf: Initialize the default locale at startup 2025-12-03 12:45:20 +01:00
security KEYS: trusted_tpm1: Compare HMAC values in constant time 2025-10-29 14:00:01 +01:00
sound ALSA: usb-audio: fix uac2 clock source at terminal parser 2025-12-03 12:45:21 +01:00
tools selftests/Makefile: include $(INSTALL_DEP_TARGETS) in clean target to clean net/lib dependency 2025-12-03 12:45:12 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.301 2025-10-29 14:00:02 +01:00
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.