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Filename Latest commit message Latest commit date
Juergen Gross 5df29a445f xen/swiotlb: add alignment check for dma buffers 
[ Upstream commit 9f40ec84a7976d95c34e7cc070939deb103652b0 ]

When checking a memory buffer to be consecutive in machine memory,
the alignment needs to be checked, too. Failing to do so might result
in DMA memory not being aligned according to its requested size,
leading to error messages like:

  4xxx 0000:2b:00.0: enabling device (0140 -> 0142)
  4xxx 0000:2b:00.0: Ring address not aligned
  4xxx 0000:2b:00.0: Failed to initialise service qat_crypto
  4xxx 0000:2b:00.0: Resetting device qat_dev0
  4xxx: probe of 0000:2b:00.0 failed with error -14

Fixes: 9435cce879 ("xen/swiotlb: Add support for 64KB page granularity")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-08 16:20:30 +01:00
arch xen: use correct end address of kernel for conflict checking 2024-11-08 16:20:30 +01:00
block block, bfq: don't break merge chain in bfq_split_bfqq() 2024-11-08 16:20:28 +01:00
certs
crypto
Documentation ipmi: docs: don't advertise deprecated sysfs entries 2024-11-08 16:20:29 +01:00
drivers xen/swiotlb: add alignment check for dma buffers 2024-11-08 16:20:30 +01:00
fs jfs: fix out-of-bounds in dbNextAG() and diAlloc() 2024-11-08 16:20:29 +01:00
include mac80211: parse radiotap header when selecting Tx queue 2024-11-08 16:20:27 +01:00
init
ipc ipc: replace costly bailout check in sysvipc_find_ipc() 2024-09-04 13:15:02 +02:00
kernel bpf: Fix DEVMAP_HASH overflow check on 32-bit arches 2024-11-08 16:20:26 +01:00
lib lib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc() 2024-09-12 11:03:55 +02:00
LICENSES
mm
net net: tipc: avoid possible garbage value 2024-11-08 16:20:27 +01:00
samples
scripts scripts: kconfig: merge_config: config files: add a trailing newline 2024-11-08 16:20:24 +01:00
security smack: unix sockets: fix accept()ed socket label 2024-09-12 11:03:52 +02:00
sound ASoC: tda7419: fix module autoloading 2024-11-08 16:20:25 +01:00
tools selftests: breakpoints: Fix a typo of function name 2024-11-08 16:20:25 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
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Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.284 2024-09-12 11:03:57 +02:00
README

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.