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Borislav Petkov (AMD) c84ba4cdf4 x86/microcode/AMD: Handle the case of no BIOS microcode
commit fcf8239ad6a5de54fa7ce18e464c6b5951b982cb upstream.

Machines can be shipped without any microcode in the BIOS. Which means,
the microcode patch revision is 0.

Handle that gracefully.

Fixes: 94838d230a ("x86/microcode/AMD: Use the family,model,stepping encoded in the patch ID")
Reported-by: Vítek Vávra <vit.vavra.kh@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-09-04 15:30:26 +02:00
arch x86/microcode/AMD: Handle the case of no BIOS microcode 2025-09-04 15:30:26 +02:00
block block: reject invalid operation in submit_bio_noacct 2025-08-28 16:28:40 +02:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2025-04-25 10:45:58 +02:00
crypto crypto: jitter - fix intermediary handling 2025-08-28 16:28:26 +02:00
Documentation dt-bindings: display/msm: qcom,mdp5: drop lut clock 2025-09-04 15:30:22 +02:00
drivers net: stmmac: Set CIC bit only for TX queues with COE 2025-09-04 15:30:25 +02:00
fs efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare 2025-09-04 15:30:26 +02:00
include net: rose: convert 'use' field to refcount_t 2025-09-04 15:30:25 +02:00
init sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP 2025-05-02 07:50:57 +02:00
io_uring io_uring/net: commit partial buffers on retry 2025-08-28 16:28:11 +02:00
ipc ipc: fix to protect IPCS lookups using RCU 2025-06-27 11:08:49 +01:00
kernel ftrace: Fix potential warning in trace_printk_seq during ftrace_dump 2025-09-04 15:30:19 +02:00
lib maple_tree: fix mt_destroy_walk() on root leaf node 2025-07-17 18:35:14 +02:00
LICENSES
mm mm/memory-failure: fix infinite UCE for VM_PFNMAP pfn 2025-08-28 16:28:43 +02:00
net sctp: initialize more fields in sctp_v6_from_sk() 2025-09-04 15:30:26 +02:00
rust rust: module: place cleanup_module() in .exit.text section 2025-07-06 11:00:06 +02:00
samples samples: mei: Fix building on musl libc 2025-08-15 12:08:43 +02:00
scripts kconfig: lxdialog: fix 'space' to (de)select options 2025-08-28 16:28:29 +02:00
security apparmor: use the condition in AA_BUG_FMT even with debug disabled 2025-08-28 16:28:28 +02:00
sound ASoC: codecs: tx-macro: correct tx_macro_component_drv name 2025-09-04 15:30:19 +02:00
tools bonding: Add independent control state machine 2025-08-28 16:28:49 +02:00
usr kbuild: hdrcheck: fix cross build with clang 2025-03-13 12:58:38 +01:00
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
.rustfmt.toml
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS sign-file,extract-cert: move common SSL helper functions to a header 2025-04-25 10:45:57 +02:00
Makefile Linux 6.6.103 2025-08-28 16:28:50 +02:00
README

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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:

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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.