From: Borislav Petkov <bp@alien8.de>
To: Babu Moger <babu.moger@amd.com>
Cc: tglx@linutronix.de, mingo@redhat.com, x86@kernel.org,
pbonzini@redhat.com, hpa@zytor.com, seanjc@google.com,
vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com,
joro@8bytes.org, tony.luck@intel.com, peterz@infradead.org,
kyung.min.park@intel.com, wei.huang2@amd.com, jgross@suse.com,
andrew.cooper3@citrix.com, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org
Subject: Re: [PATCH] KVM: x86: Expose Predictive Store Forwarding Disable
Date: Mon, 27 Sep 2021 12:59:24 +0200 [thread overview]
Message-ID: <YVGkDPbQmdwSw6Ff@zn.tnic> (raw)
In-Reply-To: <163244601049.30292.5855870305350227855.stgit@bmoger-ubuntu>
On Thu, Sep 23, 2021 at 08:15:28PM -0500, Babu Moger wrote:
> Linux kernel does not have the interface to enable/disable PSFD yet. Plan
> here is to expose the PSFD technology to KVM so that the guest kernel can
> make use of it if they wish to.
Why should the guest kernel expose it if we said that for now we want to
disable it with the SSBD control?
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next parent reply other threads:[~2021-09-27 10:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <163244601049.30292.5855870305350227855.stgit@bmoger-ubuntu>
2021-09-27 10:59 ` Borislav Petkov [this message]
2021-09-27 11:13 ` [PATCH] KVM: x86: Expose Predictive Store Forwarding Disable Paolo Bonzini
2021-09-27 12:06 ` Borislav Petkov
2021-09-27 12:14 ` Paolo Bonzini
2021-09-27 12:28 ` Borislav Petkov
2021-09-27 12:54 ` Paolo Bonzini
2021-09-27 13:38 ` Borislav Petkov
2021-09-27 15:47 ` Babu Moger
2021-09-27 15:48 ` Borislav Petkov
2021-09-28 16:04 ` Paolo Bonzini
2021-09-29 20:27 ` Babu Moger
2021-09-30 13:41 ` Paolo Bonzini
2021-09-30 14:12 ` Babu Moger
2022-08-23 21:26 ` Jim Mattson
2022-08-24 17:13 ` Paolo Bonzini
2022-08-24 17:16 ` Jim Mattson
2022-08-26 10:10 ` Paolo Bonzini
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