x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data
authorPawan Gupta <pawan.kumar.gupta@linux.intel.com>
Fri, 20 May 2022 03:32:13 +0000 (20:32 -0700)
committerBorislav Petkov <bp@suse.de>
Sat, 21 May 2022 10:16:04 +0000 (12:16 +0200)
commit8d50cdf8b8341770bc6367bce40c0c1bb0e1d5b3
treefa000ed5dd9092d29137ca27a2dddd4b350f2fdc
parent99a83db5a605137424e1efe29dc0573d6a5b6316
x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data

Add the sysfs reporting file for Processor MMIO Stale Data
vulnerability. It exposes the vulnerability and mitigation state similar
to the existing files for the other hardware vulnerabilities.

Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Documentation/ABI/testing/sysfs-devices-system-cpu
arch/x86/kernel/cpu/bugs.c
drivers/base/cpu.c
include/linux/cpu.h