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Pali Rohár 5a67f82737 PCI: aardvark: Fix preserving PCI_EXP_RTCTL_CRSSVE flag on emulated bridge 
[ Upstream commit d419052bc6 ]

Commit 43f5c77bcb ("PCI: aardvark: Fix reporting CRS value") started
using CRSSVE flag for handling CRS responses.

PCI_EXP_RTCTL_CRSSVE flag is stored only in emulated config space buffer
and there is handler for PCI_EXP_RTCTL register. So every read operation
from config space automatically clears CRSSVE flag as it is not defined in
PCI_EXP_RTCTL read handler.

Fix this by reading current CRSSVE bit flag from emulated space buffer and
appending it to PCI_EXP_RTCTL read response.

Link: https://lore.kernel.org/r/20211005180952.6812-5-kabel@kernel.org
Fixes: 43f5c77bcb ("PCI: aardvark: Fix reporting CRS value")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-11-18 19:17:00 +01:00
arch mips: cm: Convert to bitfield API to fix out-of-bounds access 2021-11-18 19:16:58 +01:00
block blk-cgroup: synchronize blkg creation against policy deactivation 2021-11-18 19:16:41 +01:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto crypto: pcrypt - Delay write to padata->info 2021-11-18 19:16:44 +01:00
Documentation fscrypt: allow 256-bit master keys with AES-256-XTS 2021-11-18 19:16:11 +01:00
drivers PCI: aardvark: Fix preserving PCI_EXP_RTCTL_CRSSVE flag on emulated bridge 2021-11-18 19:17:00 +01:00
fs pnfs/flexfiles: Fix misplaced barrier in nfs4_ff_layout_prepare_ds 2021-11-18 19:17:00 +01:00
include rpmsg: Fix rpmsg_create_ept return when RPMSG config is not defined 2021-11-18 19:16:58 +01:00
init bootconfig: init: Fix memblock leak in xbc_make_cmdline() 2021-10-10 22:27:40 -04:00
ipc ipc: remove memcg accounting for sops objects in do_semtimedop() 2021-09-14 10:22:11 -07:00
kernel bpf: Fix propagation of signed bounds from 64-bit min/max into 32-bit. 2021-11-18 19:16:45 +01:00
lib dyndbg: make dyndbg a known cli param 2021-11-18 19:16:52 +01:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm kfence: always use static branches to guard kfence_alloc() 2021-11-12 15:05:49 +01:00
net nfsd: don't alloc under spinlock in rpc_parse_scope_id 2021-11-18 19:16:58 +01:00
samples samples/kretprobes: Fix return value if register_kretprobe() failed 2021-11-18 19:16:42 +01:00
scripts leaking_addresses: Always print a trailing newline 2021-11-18 19:16:16 +01:00
security apparmor: fix error check 2021-11-18 19:16:58 +01:00
sound ASoC: rsnd: Fix an error handling path in 'rsnd_node_count()' 2021-11-18 19:16:57 +01:00
tools bpf: Fix propagation of bounds from 64-bit min/max into 32-bit and var_off. 2021-11-18 19:16:45 +01:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt KVM: Remove tlbs_dirty 2021-09-23 11:01:12 -04:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.get_maintainer.ignore
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.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild
Kconfig
MAINTAINERS drm fixes for 5.15 final 2021-10-28 12:17:01 -07:00
Makefile Linux 5.15.2 2021-11-12 15:05:52 +01:00
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.