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Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name |
Date: |
Tue, 12 Jun 2018 08:55:55 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 |
On 11/06/2018 22:37, Eduardo Habkost wrote:
> RFC NOTE: Paolo, Richard, as far as I can see, there's no point
> in enabling OSPKE in user-mode QEMU. Do you confirm that?
>
> OSPKE is not a static feature flag: it changes dynamically at
> runtime depending on CR4, and it was never configurable: KVM
> never returned OSPKE on GET_SUPPORTED_CPUID, and on TCG enables
> it automatically if CR4_PKE_MASK is set.
>
> Remove OSPKE from the feature name array so users don't try to
> configure it manually.
>
> Signed-off-by: Eduardo Habkost <address@hidden>
Yes, it's the same as OSXSAVE. Thanks!
Paolo
- [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name, Eduardo Habkost, 2018/06/11
- Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name, Richard Henderson, 2018/06/11
- Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name,
Paolo Bonzini <=
- Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name, Eduardo Habkost, 2018/06/12
- Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name, Paolo Bonzini, 2018/06/12
- Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name, Eduardo Habkost, 2018/06/12
- Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name, Paolo Bonzini, 2018/06/13
- Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name, Eduardo Habkost, 2018/06/13
- Re: [Qemu-devel] [RFC PATCH] i386: Remove ospke CPUID flag name, Paolo Bonzini, 2018/06/13