From: Alexander Steffen <Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w@public.gmane.org>
To: jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org,
tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: [PATCH 1/3] tpm2-cmd: Trigger only missing self tests
Date: Fri, 18 Aug 2017 14:15:30 +0200 [thread overview]
Message-ID: <20170818121532.5764-1-Alexander.Steffen@infineon.com> (raw)
tpm2_do_selftest is only used during initialization of the TPM to ensure
that the device functions correctly. Therefore, it is sufficient to request
only missing self tests (parameter full_test=0), not a reexecution of all
self tests, as was done before. This allows for a faster execution of this
command.
Signed-off-by: Alexander Steffen <Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w@public.gmane.org>
---
drivers/char/tpm/tpm2-cmd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index f7f34b2a..7e328d6 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -865,7 +865,7 @@ static int tpm2_start_selftest(struct tpm_chip *chip, bool full)
}
/**
- * tpm2_do_selftest() - run a full self test
+ * tpm2_do_selftest() - ensure that all self tests have passed
*
* @chip: TPM chip to use
*
@@ -886,7 +886,7 @@ static int tpm2_do_selftest(struct tpm_chip *chip)
loops = jiffies_to_msecs(duration) / delay_msec;
- rc = tpm2_start_selftest(chip, true);
+ rc = tpm2_start_selftest(chip, false);
if (rc)
return rc;
--
2.7.4
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next reply other threads:[~2017-08-18 12:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-18 12:15 Alexander Steffen [this message]
[not found] ` <20170818121532.5764-1-Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w@public.gmane.org>
2017-08-18 12:15 ` [PATCH 2/3] tpm2-cmd: Use dynamic delay to wait for self test result Alexander Steffen
[not found] ` <20170818121532.5764-2-Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w@public.gmane.org>
2017-08-20 18:26 ` Jarkko Sakkinen
[not found] ` <20170820182632.ik4d5nfm2ggashiy-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-08-22 17:44 ` Jarkko Sakkinen
2017-08-18 12:15 ` [PATCH 3/3] tpm2-cmd: React correctly to RC_TESTING from self tests Alexander Steffen
[not found] ` <20170818121532.5764-3-Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w@public.gmane.org>
2017-08-20 18:31 ` Jarkko Sakkinen
2017-08-19 17:16 ` [PATCH 1/3] tpm2-cmd: Trigger only missing " Jarkko Sakkinen
2017-08-20 18:25 ` Jarkko Sakkinen
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