linux-kernel - Re: [PATCH v4 1/1] x86/cpufeatures: Implement Predictive Store Forwarding control.

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Date:   Tue, 4 May 2021 20:13:12 -0500
From:   "Saripalli, RK" <rsaripal@....com>
To:     Reiji Watanabe <reijiw@...gle.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org, tglx@...utronix.de,
        mingo@...hat.com, Borislav Petkov <bp@...en8.de>, hpa@...or.com,
        Jonathan Corbet <corbet@....net>, bsd@...hat.com
Subject: Re: [PATCH v4 1/1] x86/cpufeatures: Implement Predictive Store
 Forwarding control.



On 5/4/2021 5:11 PM, Reiji Watanabe wrote:
>> Boris / Reiji, I am wondering if I have answered all the questions on these latest patches.
>> Just checking to see if there are any more changes needed.
> 
> All the questions from me were answered and I don't have any
> other comment/question for the latest patch (assuming that
> the patch will be updated based on the comment from Tom).

Yes, I have a new patch that takes into account Tom's suggestion. It is a minor change.
I was holding off to incorporate feedback from others (Pawan).
I will send the new patch with Tom's suggestions incorporated.

> 
> FYI.
> I was going to ask you a question about x86_spec_ctrl_mask.
> But, since it is used only for KVM (although x86_spec_ctrl_mask
> is defined/used only in arch/x86/kernel/cpu/bugs.c),
> I plan to ask you about it once your KVM patch gets updated
> rather than this patch.
> 
> Thanks,
> Reiji
>