Bug 1027250 - Add support to tuned for setting MSR_IA32_ENERGY_PERF_BIAS Intel CPU MSR
Summary: Add support to tuned for setting MSR_IA32_ENERGY_PERF_BIAS Intel CPU MSR
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: selinux-policy
Version: 7.0
Hardware: All
OS: Linux
medium
high
Target Milestone: rc
: ---
Assignee: Miroslav Grepl
QA Contact: Milos Malik
URL:
Whiteboard:
Depends On: 1015675
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-11-06 12:25 UTC by Jaroslav Škarvada
Modified: 2015-11-02 13:53 UTC (History)
3 users (show)

Fixed In Version: selinux-policy-3.12.1-98.el7
Doc Type: Bug Fix
Doc Text:
Clone Of: 1015675
Environment:
Last Closed: 2014-06-13 13:04:44 UTC
Target Upstream Version:

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Comment 1 Jaroslav Škarvada 2013-11-06 12:26:36 UTC 
Tuned needs to run x86_energy_perf tool to modify the MSR:

type=AVC msg=audit(1383740537.980:1592): avc:  denied  { write } for  pid=43003 comm="x86_energy_perf" name="msr" dev="devtmpfs" ino=1152 scontext=system_u:system_r:tuned_t:s0 tcontext=system_u:object_r:cpu_device_t:s0 tclass=chr_file
type=SYSCALL msg=audit(1383740537.980:1592): arch=c000003e syscall=2 success=no exit=-13 a0=7fff48938330 a1=2 a2=7fff4893833f a3=7fff489380e0 items=0 ppid=41071 pid=43003 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="x86_energy_perf" exe="/usr/bin/x86_energy_perf_policy" subj=system_u:system_r:tuned_t:s0 key=(null)
Comment 2 Jaroslav Škarvada 2013-11-06 12:26:57 UTC 
The same code is heading into f21.
Comment 3 Jaroslav Škarvada 2013-11-06 12:27:25 UTC 
And also f20.
Comment 4 Miroslav Grepl 2013-11-06 20:23:30 UTC 
commit 9dd2836b055b65f62f96bd7ecd9f0ea138531a1c
Author: Miroslav Grepl <mgrepl>
Date:   Wed Nov 6 22:22:47 2013 +0100

    Allow x86_energy_perf  tool to modify the MSR
Comment 7 Ludek Smid 2014-06-13 13:04:44 UTC 
This request was resolved in Red Hat Enterprise Linux 7.0.

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