[PATCH v5 0/5] Lazy flush for the auth session

Jarkko Sakkinen jarkko at kernel.org
Mon Oct 7 23:49:21 UTC 2024


On Thu, 2024-10-03 at 11:14 -0400, Stefan Berger wrote:
> 
> 
> On 9/21/24 8:08 AM, Jarkko Sakkinen wrote:
> > This patch set aims to fix:
> > https://bugzilla.kernel.org/show_bug.cgi?id=219229.
> > 
> > The baseline for the series is the v6.11 tag.
> 
> I was testing this with 6.12-rc1 on ppc64/kvm + vtpm boot time from 
> pressing return on grub until login prompt appears while using an IMA
> measure policy:
> 
> with HMAC2: 36s
> with HMAC2+this series: 29s
> without HMAC2: 28s
> 
> Looks good to me, though using a hardware TPM would probably be more 
> critical in this type of measurement.

Yep, exactly. QEMU fails here...

BR, Jarkko



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