lkml.org 
[lkml]   [2018]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [PATCH v8 04/13] arch/resctrl: Bring all the macros to resctrl.h
On Fri, Nov 16, 2018 at 08:54:28PM +0000, Moger, Babu wrote:
> diff --git a/arch/x86/kernel/cpu/resctrl_monitor.c b/arch/x86/kernel/cpu/resctrl_monitor.c
> index 6d654f7b0eba..9fd62263dabd 100644
> --- a/arch/x86/kernel/cpu/resctrl_monitor.c
> +++ b/arch/x86/kernel/cpu/resctrl_monitor.c
> @@ -28,9 +28,6 @@
> #include <asm/cpu_device_id.h>
> #include "resctrl.h"
>
> -#define MSR_IA32_QM_CTR 0x0c8e
> -#define MSR_IA32_QM_EVTSEL 0x0c8d
> -
> struct rmid_entry {
> u32 rmid;
> int busy;
> @@ -97,8 +94,8 @@ static u64 __rmid_read(u32 rmid, u32 eventid)
> * IA32_QM_CTR.Error (bit 63) and IA32_QM_CTR.Unavailable (bit 62)
> * are error bits.
> */
> - wrmsr(MSR_IA32_QM_EVTSEL, eventid, rmid);
> - rdmsrl(MSR_IA32_QM_CTR, val);
> + wrmsr(IA32_QM_EVTSEL, eventid, rmid);
> + rdmsrl(IA32_QM_CTR, val);

Well, if you have a look at arch/x86/include/asm/msr-index.h, you'll see
that all MSR defines are prefixed with "MSR_" so dropping that prefix
here loses information and staring at the define doesn't tell me what it
is.

--
Regards/Gruss,
Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

\
 
 \ /
  Last update: 2018-11-20 10:37    [W:1.140 / U:0.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site