From: Jarkko Sakkinen <jarkko@kernel.org>
To: Stefan Berger <stefanb@linux.ibm.com>, linux-integrity@vger.kernel.org
Cc: James.Bottomley@HansenPartnership.com, roberto.sassu@huawei.com,
mapengyu@gmail.com, Mimi Zohar <zohar@linux.ibm.com>,
David Howells <dhowells@redhat.com>,
Paul Moore <paul@paul-moore.com>,
James Morris <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
Peter Huewe <peterhuewe@gmx.de>, Jason Gunthorpe <jgg@ziepe.ca>,
keyrings@vger.kernel.org, linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 0/5] Lazy flush for the auth session
Date: Tue, 08 Oct 2024 02:49:21 +0300 [thread overview]
Message-ID: <b2dd8b0587f6d40a0474cb76db3a339442021bf2.camel@kernel.org> (raw)
In-Reply-To: <7f05ff8e-6103-4ad7-8a32-9ff5643b8a41@linux.ibm.com>
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
next prev parent reply other threads:[~2024-10-07 23:49 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-21 12:08 [PATCH v5 0/5] Lazy flush for the auth session Jarkko Sakkinen
2024-09-21 12:08 ` [PATCH v5 1/5] tpm: Return on tpm2_create_null_primary() failure Jarkko Sakkinen
2024-10-03 14:57 ` Stefan Berger
2024-10-07 23:47 ` Jarkko Sakkinen
2024-09-21 12:08 ` [PATCH v5 2/5] tpm: Implement tpm2_load_null() rollback Jarkko Sakkinen
2024-10-03 15:27 ` Stefan Berger
2024-09-21 12:08 ` [PATCH v5 3/5] tpm: flush the null key only when /dev/tpm0 is accessed Jarkko Sakkinen
2024-09-21 12:08 ` [PATCH v5 4/5] tpm: Allocate chip->auth in tpm2_start_auth_session() Jarkko Sakkinen
2024-09-24 13:33 ` James Bottomley
2024-09-24 16:13 ` Jarkko Sakkinen
2024-09-24 18:13 ` Jarkko Sakkinen
2024-09-21 12:08 ` [PATCH v5 5/5] tpm: flush the auth session only when /dev/tpm0 is open Jarkko Sakkinen
2024-09-24 13:43 ` James Bottomley
2024-09-24 16:13 ` Jarkko Sakkinen
2024-09-24 18:07 ` Jarkko Sakkinen
2024-09-24 18:40 ` James Bottomley
2024-09-24 21:35 ` Jarkko Sakkinen
2024-09-24 21:51 ` James Bottomley
2024-09-25 7:42 ` Jarkko Sakkinen
2024-09-25 7:46 ` Jarkko Sakkinen
2024-09-25 7:53 ` Jarkko Sakkinen
2024-09-21 12:36 ` [PATCH v5 0/5] Lazy flush for the auth session Paul Menzel
2024-09-21 13:13 ` Jarkko Sakkinen
2024-09-21 14:38 ` Jarkko Sakkinen
2024-09-22 17:51 ` Jarkko Sakkinen
2024-09-24 13:48 ` James Bottomley
2024-09-24 16:29 ` Jarkko Sakkinen
2024-09-24 16:33 ` James Bottomley
2024-09-24 16:36 ` Jarkko Sakkinen
2024-09-24 17:26 ` Jarkko Sakkinen
2024-09-24 17:28 ` Jarkko Sakkinen
2024-09-24 18:01 ` Jarkko Sakkinen
2024-10-01 18:10 ` Mimi Zohar
2024-10-07 23:45 ` Jarkko Sakkinen
2024-10-03 15:14 ` Stefan Berger
2024-10-07 23:49 ` Jarkko Sakkinen [this message]
2024-10-11 14:06 ` Jarkko Sakkinen
2024-10-11 16:10 ` Roberto Sassu
2024-10-11 16:25 ` Jarkko Sakkinen
2024-10-12 10:56 ` Jarkko Sakkinen
2024-10-14 11:45 ` Mimi Zohar
2024-10-14 12:34 ` Jarkko Sakkinen
2024-10-15 20:08 ` Mimi Zohar
2024-10-15 22:14 ` Jarkko Sakkinen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b2dd8b0587f6d40a0474cb76db3a339442021bf2.camel@kernel.org \
--to=jarkko@kernel.org \
--cc=James.Bottomley@HansenPartnership.com \
--cc=dhowells@redhat.com \
--cc=jgg@ziepe.ca \
--cc=jmorris@namei.org \
--cc=keyrings@vger.kernel.org \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=mapengyu@gmail.com \
--cc=paul@paul-moore.com \
--cc=peterhuewe@gmx.de \
--cc=roberto.sassu@huawei.com \
--cc=serge@hallyn.com \
--cc=stefanb@linux.ibm.com \
--cc=zohar@linux.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).