tree 7bd7de8dd15a00f931be5f571eb65d7623eaace9
parent 651f562081cc6386fbb181f863f6d95890714f7b
author Thomas Gleixner <tglx@linutronix.de> 1531491801 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1534347450 +0200

x86/kvm: Serialize L1D flush parameter setter

commit dd4bfa739a72508b75760b393d129ed7b431daab upstream.

Writes to the parameter files are not serialized at the sysfs core
level, so local serialization is required.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Jiri Kosina <jkosina@suse.cz>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20180713142322.873642605@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>