Re: [PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

On Wed, Sep 14, 2016 at 6:54 PM, Andy Lutomirski wrote: > On Wed, Sep 14, 2016 at 6:47 PM, Kyle Huey wrote: >> On Wed, Sep 14, 2016 at 6:29 PM, Andy Lutomirski wrote: >>> On Wed, Sep 14, 2016 at 2:01 PM, Kyle Huey

Re: [PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

On Wed, Sep 14, 2016 at 6:54 PM, Andy Lutomirski wrote: > On Wed, Sep 14, 2016 at 6:47 PM, Kyle Huey wrote: >> On Wed, Sep 14, 2016 at 6:29 PM, Andy Lutomirski wrote: >>> On Wed, Sep 14, 2016 at 2:01 PM, Kyle Huey wrote: > + +int set_cpuid_mode(struct task_struct *task, unsigned long

Re: [PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

On Wed, Sep 14, 2016 at 6:47 PM, Kyle Huey wrote: > On Wed, Sep 14, 2016 at 6:29 PM, Andy Lutomirski wrote: >> On Wed, Sep 14, 2016 at 2:01 PM, Kyle Huey wrote: >>> + >>> +int set_cpuid_mode(struct task_struct *task, unsigned long val)

Re: [PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

On Wed, Sep 14, 2016 at 6:47 PM, Kyle Huey wrote: > On Wed, Sep 14, 2016 at 6:29 PM, Andy Lutomirski wrote: >> On Wed, Sep 14, 2016 at 2:01 PM, Kyle Huey wrote: >>> + >>> +int set_cpuid_mode(struct task_struct *task, unsigned long val) >>> +{ >>> + /* Only disable/enable_cpuid() if it is

Re: [PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

On Wed, Sep 14, 2016 at 6:29 PM, Andy Lutomirski wrote: > On Wed, Sep 14, 2016 at 2:01 PM, Kyle Huey wrote: >> Intel supports faulting on the CPUID instruction in newer processors. Bit >> 31 of MSR_PLATFORM_INFO advertises support for this feature. It is

Re: [PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

On Wed, Sep 14, 2016 at 6:29 PM, Andy Lutomirski wrote: > On Wed, Sep 14, 2016 at 2:01 PM, Kyle Huey wrote: >> Intel supports faulting on the CPUID instruction in newer processors. Bit >> 31 of MSR_PLATFORM_INFO advertises support for this feature. It is >> documented in detail in Section 2.3.2

Re: [PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

On Wed, Sep 14, 2016 at 2:01 PM, Kyle Huey wrote: > Intel supports faulting on the CPUID instruction in newer processors. Bit > 31 of MSR_PLATFORM_INFO advertises support for this feature. It is > documented in detail in Section 2.3.2 of >

Re: [PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

On Wed, Sep 14, 2016 at 2:01 PM, Kyle Huey wrote: > Intel supports faulting on the CPUID instruction in newer processors. Bit > 31 of MSR_PLATFORM_INFO advertises support for this feature. It is > documented in detail in Section 2.3.2 of >

[RESEND][PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

Intel supports faulting on the CPUID instruction in newer processors. Bit 31 of MSR_PLATFORM_INFO advertises support for this feature. It is documented in detail in Section 2.3.2 of

[RESEND][PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

Intel supports faulting on the CPUID instruction in newer processors. Bit 31 of MSR_PLATFORM_INFO advertises support for this feature. It is documented in detail in Section 2.3.2 of

[PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

Intel supports faulting on the CPUID instruction in newer processors. Bit 31 of MSR_PLATFORM_INFO advertises support for this feature. It is documented in detail in Section 2.3.2 of

[PATCH v2 3/3] x86,arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction

Intel supports faulting on the CPUID instruction in newer processors. Bit 31 of MSR_PLATFORM_INFO advertises support for this feature. It is documented in detail in Section 2.3.2 of