linux-kernel - Re: [PATCH v4 0/5] Lazy flush for the auth session

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Message-Id: <D4AB1EB73L84.2CVJGCDFJSWX0@kernel.org>
Date: Thu, 19 Sep 2024 16:45:25 +0300
From: "Jarkko Sakkinen" <jarkko@...nel.org>
To: "Pengyu Ma" <mapengyu@...il.com>
Cc: <linux-integrity@...r.kernel.org>,
 <James.Bottomley@...senpartnership.com>, <roberto.sassu@...wei.com>, "Mimi
 Zohar" <zohar@...ux.ibm.com>, "David Howells" <dhowells@...hat.com>, "Paul
 Moore" <paul@...l-moore.com>, "James Morris" <jmorris@...ei.org>, "Serge E.
 Hallyn" <serge@...lyn.com>, <keyrings@...r.kernel.org>,
 <linux-security-module@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 0/5] Lazy flush for the auth session

On Thu Sep 19, 2024 at 4:12 AM EEST, Pengyu Ma wrote:
> On Thu, Sep 19, 2024 at 4:36 AM Jarkko Sakkinen <jarkko@...nel.org> wrote:
> >
> > For the sake of:
> > https://bugzilla.kernel.org/show_bug.cgi?id=219229
> >
> > The baseline for the series is v6.11 tag.
>
> Clean applied on v6.11 upstream kernel.
> Boot time is 8.7 seconds which is almost good as 7 seconds without TPM2_HMAC.

Awesome thank you! I think there could be some places where we could
further make "100 ms here and 50 ms there" time savings. I'll look
at those when I have some bandwidth but overally I think we are
now in pretty acceptable measures :-)

Thanks again for all the effort with testing this!

BR, Jarkko