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Bartosz Pawlowski 610003d742 PCI: Disable ATS for specific Intel IPU E2000 devices
commit a18615b1cf upstream.

Due to a hardware issue in A and B steppings of Intel IPU E2000, it expects
wrong endianness in ATS invalidation message body. This problem can lead to
outdated translations being returned as valid and finally cause system
instability.

To prevent such issues, add quirk_intel_e2000_no_ats() to disable ATS for
vulnerable IPU E2000 devices.

Link: https://lore.kernel.org/r/20230908143606.685930-3-bartosz.pawlowski@intel.com
Signed-off-by: Bartosz Pawlowski <bartosz.pawlowski@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-15 18:23:44 +01:00
arch ARM: sun9i: smp: Fix array-index-out-of-bounds read in sunxi_mc_smp_init 2024-01-15 18:23:41 +01:00
block blk-throttle: fix lockdep warning of "cgroup_mutex or RCU read lock required!" 2023-12-20 15:38:02 +01:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-25 11:49:16 +02:00
crypto crypto: pcrypt - Fix hungtask for PADATA_RESET 2023-11-28 16:46:31 +00:00
Documentation Documentation: security-bugs.rst: clarify CVE handling 2023-08-11 11:45:34 +02:00
drivers PCI: Disable ATS for specific Intel IPU E2000 devices 2024-01-15 18:23:44 +01:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:21:29 +01:00
fs fuse: nlookup missing decrement in fuse_direntplus_link 2024-01-15 18:23:43 +01:00
include asm-generic: qspinlock: fix queued_spin_value_unlocked() implementation 2023-12-20 15:38:03 +01:00
init init, x86: Move mem_encrypt_init() into arch_cpu_finalize_init() 2023-08-08 19:49:18 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:18:35 +01:00
kernel ring-buffer: Fix memory leak of free page 2023-12-20 15:38:03 +01:00
lib kobject: Fix slab-out-of-bounds in fill_kobj_path() 2023-11-08 11:22:17 +01:00
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
mm mm: fix unmap_mapping_range high bits shift bug 2024-01-15 18:23:43 +01:00
net netfilter: nf_tables: Reject tables of unsupported family 2024-01-15 18:23:43 +01:00
samples samples/bpf: Fix buffer overflow in tcp_basertt 2023-08-11 11:45:03 +02:00
scripts sign-file: Fix incorrect return values check 2023-12-20 15:38:01 +01:00
security ima: detect changes to the backing overlay file 2023-12-08 08:43:26 +01:00
sound ALSA: hda/realtek: Enable headset on Lenovo M90 Gen5 2024-01-08 11:27:33 +01:00
tools tools headers UAPI: Sync linux/perf_event.h with the kernel sources 2023-12-13 17:42:20 +01:00
usr initramfs: restore default compression behavior 2020-04-13 10:44:59 +02:00
virt KVM: arm64: vgic: Fix exit condition in scan_its_table() 2022-11-03 23:52:24 +09:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
COPYING
CREDITS 9p: remove Ron Minnich from MAINTAINERS 2018-08-17 16:20:26 -07:00
Kbuild
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS MAINTAINERS: r8169: Update path to the driver 2023-11-08 11:22:19 +01:00
Makefile Linux 4.19.304 2024-01-08 11:27:37 +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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.