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Groups > linux.kernel > #1519445
| From | Kyle Huey <me@kylehuey.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v10 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID |
| Date | 2016-11-11 00:40 +0100 |
| Message-ID | <sC76N-4It-9@gated-at.bofh.it> (permalink) |
| References | <sBjD3-4ES-11@gated-at.bofh.it> <sBjD3-4ES-15@gated-at.bofh.it> <sBl29-5Nj-7@gated-at.bofh.it> <sBB6V-7PV-13@gated-at.bofh.it> <sBBgB-7T9-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Nov 9, 2016 at 5:34 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
> On Wed, 9 Nov 2016, Borislav Petkov wrote:
>> +static void init_misc_enables(struct cpuinfo_x86 *c)
>> +{
>> + u64 val, misc_en;
>> +
>> + if (rdmsrl_safe(MSR_MISC_FEATURES_ENABLES, &misc_en))
>> + return;
>> +
>> + misc_en &= ~MSR_MISC_ENABLES_CPUID_FAULT_ENABLE;
>
> I rather prefer to write this MSR to 0 right away and just enable the bits
> which we really support.
I've gone ahead and done this.
- Kyle
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[PATCH v10 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID Kyle Huey <me@kylehuey.com> - 2016-11-08 19:50 +0100
Re: [PATCH v10 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID Thomas Gleixner <tglx@linutronix.de> - 2016-11-08 21:20 +0100
Re: [PATCH v10 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID Borislav Petkov <bp@suse.de> - 2016-11-09 14:30 +0100
Re: [PATCH v10 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID Thomas Gleixner <tglx@linutronix.de> - 2016-11-09 14:40 +0100
Re: [PATCH v10 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID Kyle Huey <me@kylehuey.com> - 2016-11-11 00:40 +0100
Re: [PATCH v10 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID Kyle Huey <me@kylehuey.com> - 2016-11-11 00:30 +0100
Re: [PATCH v10 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID Borislav Petkov <bp@suse.de> - 2016-11-09 14:20 +0100
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