On 4/9/2021 3:19 PM, Borislav Petkov wrote:
> On Fri, Apr 09, 2021 at 02:45:23PM -0500, Saripalli, RK wrote:
>> Yes, these options should be fine for now.
>> Like you said, if we get the need to add prctl and seccomp, I can always do
>> that later.
>>
>> What do you think auto should default
On Fri, Apr 09, 2021 at 02:45:23PM -0500, Saripalli, RK wrote:
> Yes, these options should be fine for now.
> Like you said, if we get the need to add prctl and seccomp, I can always do
> that later.
>
> What do you think auto should default to?.
> In SSBD case, I believe auto defaults to prctl
Boris, thank you.
On 4/9/2021 2:39 PM, Borislav Petkov wrote:
> On Fri, Apr 09, 2021 at 01:22:49PM -0500, Saripalli, RK wrote:
>>> And I think you don't need this one either if we do a "light" controls
>>> thing but lemme look at the rest first.
>
> Ok, and what I mean with "lite" version is
On Fri, Apr 09, 2021 at 01:22:49PM -0500, Saripalli, RK wrote:
> > And I think you don't need this one either if we do a "light" controls
> > thing but lemme look at the rest first.
Ok, and what I mean with "lite" version is something like this below
which needs finishing and testing.
Initially,
On 4/9/2021 12:41 PM, Borislav Petkov wrote:
> On Tue, Apr 06, 2021 at 10:50:00AM -0500, Ramakrishna Saripalli wrote:
>> diff --git a/arch/x86/include/asm/cpufeatures.h
>> b/arch/x86/include/asm/cpufeatures.h
>> index cc96e26d69f7..21e7f8d0d7d9 100644
>> ---
On Tue, Apr 06, 2021 at 10:50:00AM -0500, Ramakrishna Saripalli wrote:
> diff --git a/arch/x86/include/asm/cpufeatures.h
> b/arch/x86/include/asm/cpufeatures.h
> index cc96e26d69f7..21e7f8d0d7d9 100644
> --- a/arch/x86/include/asm/cpufeatures.h
> +++ b/arch/x86/include/asm/cpufeatures.h
> @@
From: Ramakrishna Saripalli
Certain AMD processors feature a new technology called Predictive Store
Forwarding (PSF).
PSF is a micro-architectural optimization designed to improve the
performance of code execution by predicting dependencies between
loads and stores.
Incorrect PSF predictions
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