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

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On Thu, Sep 19, 2024 at 4:36 AM Jarkko Sakkinen <jarkko@xxxxxxxxxx> 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.

Thanks,
Pengyu

>
> v3:
> https://lore.kernel.org/linux-integrity/20240917154444.702370-1-jarkko@xxxxxxxxxx/
> v2:
> https://lore.kernel.org/linux-integrity/20240916110714.1396407-1-jarkko@xxxxxxxxxx/
> v1:
> https://lore.kernel.org/linux-integrity/20240915180448.2030115-1-jarkko@xxxxxxxxxx/
>
> Jarkko Sakkinen (5):
>   tpm: Return on tpm2_create_null_primary() failure
>   tpm: Return on tpm2_create_primary() failure in tpm2_load_null()
>   tpm: flush the null key only when /dev/tpm0 is accessed
>   tpm: Allocate chip->auth in tpm2_start_auth_session()
>   tpm: flush the auth session only when /dev/tpm0 is open
>
>  drivers/char/tpm/tpm-chip.c       |  14 ++++
>  drivers/char/tpm/tpm-dev-common.c |   8 +++
>  drivers/char/tpm/tpm-interface.c  |  10 ++-
>  drivers/char/tpm/tpm2-cmd.c       |   3 +
>  drivers/char/tpm/tpm2-sessions.c  | 109 +++++++++++++++++++-----------
>  include/linux/tpm.h               |   2 +
>  6 files changed, 104 insertions(+), 42 deletions(-)
>
> --
> 2.46.0
>





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