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Borislav Petkov (AMD) dbdec47842 x86/microcode/AMD: Flush patch buffer mapping after application 
commit c809b0d0e5 upstream.

Due to specific requirements while applying microcode patches on Zen1
and 2, the patch buffer mapping needs to be flushed from the TLB after
application. Do so.

If not, unnecessary and unnatural delays happen in the boot process.

Reported-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Cc: <stable@kernel.org> # f1d84b59cb ("x86/mm: Carve out INVLPG inline asm for use by others")
Link: https://lore.kernel.org/r/ZyulbYuvrkshfsd2@antipodes
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-12-05 14:02:57 +01:00
arch x86/microcode/AMD: Flush patch buffer mapping after application 2024-12-05 14:02:57 +01:00
block blk-mq: Make blk_mq_quiesce_tagset() hold the tag list mutex less long 2024-12-05 14:02:56 +01:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY 2024-12-05 14:01:18 +01:00
Documentation dt-bindings: serial: rs485: Fix rs485-rts-delay property 2024-12-05 14:02:53 +01:00
drivers media: v4l2-core: v4l2-dv-timings: check cvt/gtf result 2024-12-05 14:02:57 +01:00
fs smb: client: fix NULL ptr deref in crypto_aead_setkey() 2024-12-05 14:02:52 +01:00
include media: v4l2-core: v4l2-dv-timings: check cvt/gtf result 2024-12-05 14:02:57 +01:00
init Compiler Attributes: disable __counted_by for clang < 19.1.3 2024-12-05 14:02:45 +01:00
io_uring io_uring: check for overflows in io_pin_pages 2024-12-05 14:02:50 +01:00
ipc struct fd layout change (and conversion to accessor helpers) 2024-09-23 09:35:36 -07:00
kernel Revert "fs: don't block i_writecount during exec" 2024-12-05 14:02:50 +01:00
lib Compiler Attributes: disable __counted_by for clang < 19.1.3 2024-12-05 14:02:45 +01:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm mm/mmap: fix __mmap_region() error handling in rare merge failure case 2024-11-22 15:30:26 +01:00
net netdev-genl: Hold rcu_read_lock in napi_get 2024-12-05 14:02:57 +01:00
rust rust: block: fix formatting of kernel::block::mq::request module 2024-12-05 14:02:21 +01:00
samples bpf: Fix the xdp_adjust_tail sample prog issue 2024-12-05 14:01:42 +01:00
scripts checkpatch: always parse orig_commit in fixes tag 2024-12-05 14:02:09 +01:00
security apparmor: test: Fix memory leak for aa_unpack_strdup() 2024-12-05 14:02:46 +01:00
sound ASoC: da7213: Populate max_register to regmap_config 2024-12-05 14:02:42 +01:00
tools tools/nolibc: s390: include std.h 2024-12-05 14:02:46 +01:00
usr initramfs: shorten cmd_initfs in usr/Makefile 2024-07-16 01:07:52 +09:00
virt KVM: x86: switch hugepage recovery thread to vhost_task 2024-12-05 14:02:43 +01:00
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Kbuild updates for v6.12 2024-09-24 13:02:06 -07:00
.mailmap mailmap: add entry for Thorsten Blum 2024-11-07 14:14:59 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Remove self from DSA entry 2024-11-03 12:52:38 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: update location of media main tree 2024-12-05 14:02:42 +01:00
Makefile Linux 6.12.1 2024-11-22 15:30:26 +01:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

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 reStructuredText 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.