Commit-ID: f4661d293eb2d01dfc742982761a36fafe456d46 Gitweb: https://git.kernel.org/tip/f4661d293eb2d01dfc742982761a36fafe456d46 Author: Jacek Tomaka <jacek.tom...@poczta.fm> AuthorDate: Sat, 25 Aug 2018 11:50:39 +0800 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Sun, 2 Sep 2018 14:09:13 +0200
x86/microcode: Make revision and processor flags world-readable The microcode revision is already readable for non-root users via /proc/cpuinfo. Thus, there's no reason to keep the same information readable by root only in /sys/devices/system/cpu/cpuX/microcode/. Make .../processor_flags world-readable too, while at it. Reported-by: Tim Burgess <t...@dug.com> Signed-off-by: Jacek Tomaka <jacek.tom...@poczta.fm> Signed-off-by: Borislav Petkov <b...@suse.de> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Link: http://lkml.kernel.org/r/20180825035039.14409-1-jac...@dugeo.com --- arch/x86/kernel/cpu/microcode/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index b9bc8a1a584e..2637ff09d6a0 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -666,8 +666,8 @@ static ssize_t pf_show(struct device *dev, } static DEVICE_ATTR_WO(reload); -static DEVICE_ATTR(version, 0400, version_show, NULL); -static DEVICE_ATTR(processor_flags, 0400, pf_show, NULL); +static DEVICE_ATTR(version, 0444, version_show, NULL); +static DEVICE_ATTR(processor_flags, 0444, pf_show, NULL); static struct attribute *mc_default_attrs[] = { &dev_attr_version.attr,
