stable inclusion
from stable-v5.10.123
commit f83d4e5be4a3955a6c8af61ecec0934d0ece40c0
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I5D5RS
CVE: CVE-2022-21123,CVE-2022-21125,CVE-2022-21166

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=f83d4e5be4a3955a6c8af61ecec0934d0ece40c0

--------------------------------

commit f52ea6c2 upstream

Processor MMIO Stale Data mitigation uses similar mitigation as MDS and
TAA. In preparation for adding its mitigation, add a common function to
update all mitigations that depend on MD_CLEAR.

  [ bp: Add a newline in md_clear_update_mitigation() to separate
    statements better. ]
Signed-off-by: NPawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: NBorislav Petkov <bp@suse.de>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYipeng Zou <zouyipeng@huawei.com>
Reviewed-by: NZhang Jianhua <chris.zjh@huawei.com>
Reviewed-by: NXiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>