From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
To: Borislav Petkov <bp@alien8.de>
Cc: x86@kernel.org, Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Len Brown <len.brown@intel.com>,
"Ravi V. Shankar" <ravi.v.shankar@intel.com>,
linux-kernel@vger.kernel.org, Andy Lutomirski <luto@kernel.org>,
Tony Luck <tony.luck@intel.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Andi Kleen <ak@linux.intel.com>,
Dave Hansen <dave.hansen@intel.com>,
Kan Liang <kan.liang@linux.intel.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Subject: Re: [PATCH 2/3] x86/cpu: Describe hybrid CPUs in cpuinfo_x86
Date: Fri, 2 Oct 2020 14:02:31 -0700 [thread overview]
Message-ID: <20201002210231.GA3222@ranerica-svr.sc.intel.com> (raw)
In-Reply-To: <20201002203452.GE17436@zn.tnic>
On Fri, Oct 02, 2020 at 10:34:52PM +0200, Borislav Petkov wrote:
> On Fri, Oct 02, 2020 at 01:19:30PM -0700, Ricardo Neri wrote:
> > diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
> > index 35ad8480c464..0778b3ad26b3 100644
> > --- a/arch/x86/kernel/cpu/common.c
> > +++ b/arch/x86/kernel/cpu/common.c
> > @@ -932,6 +932,11 @@ void get_cpu_cap(struct cpuinfo_x86 *c)
> > c->x86_capability[CPUID_D_1_EAX] = eax;
> > }
> >
> > + if (cpu_has(c, X86_FEATURE_HYBRID_CPU)) {
> > + cpuid_count(0x0000001a, 0, &eax, &ebx, &ecx, &edx);
> > + c->x86_cpu_type = eax;
>
> c->x86_cpu_type = cpuid_eax(0x0000001a);
>
> should do too.
Thank you for the quick feedback Boris! Sure I can implement it as you
suggest.
>
> But send this patch together with the code that uses it.
Sure I can submit it along with the code using it.
What about patches 1 and 3? Should I resubmit the series with only
those?
Thanks and BR,
Ricardo
next prev parent reply other threads:[~2020-10-02 21:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-02 20:19 [PATCH 0/3] x86: Add initial support to discover Intel hybrid CPUs Ricardo Neri
2020-10-02 20:19 ` [PATCH 1/3] x86/cpufeatures: Enumerate hybrid CPU feature bit Ricardo Neri
2020-10-02 20:19 ` [PATCH 2/3] x86/cpu: Describe hybrid CPUs in cpuinfo_x86 Ricardo Neri
2020-10-02 20:34 ` Borislav Petkov
2020-10-02 21:02 ` Ricardo Neri [this message]
2020-10-02 21:03 ` Borislav Petkov
2020-10-02 23:41 ` Ricardo Neri
2020-10-02 20:19 ` [PATCH 3/3] x86/mce: include type of core when reporting a machine check error Ricardo Neri
2020-10-03 1:39 ` [PATCH 0/3] x86: Add initial support to discover Intel hybrid CPUs Thomas Gleixner
2020-10-03 2:17 ` Luck, Tony
2020-10-03 9:04 ` Borislav Petkov
2020-10-06 0:24 ` Ricardo Neri
2020-10-03 10:46 ` Thomas Gleixner
2020-10-03 14:39 ` Peter Zijlstra
2020-10-06 0:21 ` Ricardo Neri
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