From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: linux-integrity@vger.kernel.org, Jason Gunthorpe <jgg@ziepe.ca>,
Jerry Snitselaar <jsnitsel@redhat.com>,
Peter Huewe <peterhuewe@gmx.de>
Subject: Re: [PATCH v2 4/5] tpm_tis: fix IRQ probing
Date: Mon, 5 Oct 2020 20:05:56 +0300 [thread overview]
Message-ID: <20201005170556.GF6232@linux.intel.com> (raw)
In-Reply-To: <20201001180925.13808-5-James.Bottomley@HansenPartnership.com>
On Thu, Oct 01, 2020 at 11:09:24AM -0700, James Bottomley wrote:
> There are two problems with our current interrupt probing: firstly the
> TPM_CHIP_FLAG_IRQ never gets set initially, so a check for interrupts
> is never done. Fix this by setting the flag before we generate and
> interrupt for probing. Secondly our IRQ setup may be ineffective on a
> TPM without legacy access cycles becuase according to the TPM
> Interface Specification the interrupt registers are only writeable in
> the current locality, so issue a request_locality before setting up
> the interrupts.
>
> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
>
> ---
>
> v2: improved description
Ditto.
/Jarkko
next prev parent reply other threads:[~2020-10-05 17:09 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-01 18:09 [PATCH v2 0/5] tpm_tis: fix interrupts (again) James Bottomley
2020-10-01 18:09 ` [PATCH v2 1/5] tpm_tis: Fix check_locality for correct locality acquisition James Bottomley
2020-10-05 15:34 ` Jarkko Sakkinen
2020-10-05 19:00 ` James Bottomley
2020-10-05 20:32 ` Jarkko Sakkinen
2020-10-19 23:16 ` Jerry Snitselaar
2020-10-24 12:07 ` Jarkko Sakkinen
2020-10-30 12:13 ` Jarkko Sakkinen
2020-10-01 18:09 ` [PATCH v2 2/5] tpm_tis: Clean up locality release James Bottomley
2020-10-05 17:02 ` Jarkko Sakkinen
2020-10-05 19:05 ` James Bottomley
2020-10-05 20:34 ` Jarkko Sakkinen
2020-10-05 17:03 ` Jarkko Sakkinen
2020-10-19 23:17 ` Jerry Snitselaar
2020-10-24 12:10 ` Jarkko Sakkinen
2020-10-30 12:17 ` Jarkko Sakkinen
2020-10-30 15:47 ` James Bottomley
2020-10-30 21:52 ` Jarkko Sakkinen
2020-10-01 18:09 ` [PATCH v2 3/5] tpm_tis: Fix interrupts for TIS TPMs without legacy cycles James Bottomley
2020-10-05 17:05 ` Jarkko Sakkinen
2020-10-20 0:14 ` Jerry Snitselaar
2020-10-24 12:15 ` Jarkko Sakkinen
2020-10-30 12:18 ` Jarkko Sakkinen
2020-10-30 16:06 ` Jerry Snitselaar
2020-11-03 4:16 ` Jarkko Sakkinen
2020-12-01 18:12 ` Jerry Snitselaar
2020-12-01 19:49 ` Jerry Snitselaar
2020-12-01 21:06 ` James Bottomley
2020-12-01 21:47 ` Jerry Snitselaar
2020-10-01 18:09 ` [PATCH v2 4/5] tpm_tis: fix IRQ probing James Bottomley
2020-10-05 17:05 ` Jarkko Sakkinen [this message]
2020-10-19 23:41 ` Jerry Snitselaar
2020-10-24 12:17 ` Jarkko Sakkinen
2020-10-30 12:43 ` Jarkko Sakkinen
2020-10-30 15:49 ` James Bottomley
2020-10-30 16:11 ` Jerry Snitselaar
2020-11-03 4:43 ` Jarkko Sakkinen
2020-11-03 23:00 ` Jerry Snitselaar
2020-11-04 0:31 ` Jarkko Sakkinen
2020-11-03 4:17 ` Jarkko Sakkinen
2020-11-06 15:32 ` Jarkko Sakkinen
2020-11-06 16:21 ` James Bottomley
2020-11-06 22:07 ` Jarkko Sakkinen
2020-10-01 18:09 ` [PATCH v2 5/5] Revert "tpm: Revert "tpm_tis_core: Turn on the TPM before probing IRQ's"" James Bottomley
2020-10-19 20:23 ` Jerry Snitselaar
2020-10-19 22:54 ` James Bottomley
2020-10-19 23:40 ` Jerry Snitselaar
2020-10-12 5:39 ` [PATCH v2 0/5] tpm_tis: fix interrupts (again) Jerry Snitselaar
2020-10-13 1:23 ` Jarkko Sakkinen
2020-10-18 5:34 ` Jarkko Sakkinen
2020-10-13 1:17 ` Jarkko Sakkinen
2020-10-13 15:15 ` Jerry Snitselaar
2020-10-13 15:24 ` James Bottomley
2020-10-13 16:05 ` Jerry Snitselaar
2020-10-14 15:03 ` Hans de Goede
2020-10-14 15:23 ` James Bottomley
2020-10-14 16:04 ` Hans de Goede
2020-10-14 16:34 ` Jerry Snitselaar
2020-10-14 16:46 ` Hans de Goede
2020-10-14 17:01 ` Jerry Snitselaar
2020-10-14 17:04 ` Jerry Snitselaar
2020-10-14 20:58 ` Jerry Snitselaar
2020-10-15 7:38 ` Hans de Goede
2020-10-18 21:09 ` Jarkko Sakkinen
2020-10-15 15:36 ` James Bottomley
2020-10-15 18:48 ` Jerry Snitselaar
2020-10-15 18:57 ` James Bottomley
2020-10-15 19:16 ` Jerry Snitselaar
2020-10-14 16:49 ` James Bottomley
2020-10-18 21:05 ` Jarkko Sakkinen
2020-10-20 23:10 ` Jerry Snitselaar
2020-10-24 12:20 ` Jarkko Sakkinen
2020-10-26 18:29 ` Jerry Snitselaar
2020-10-27 17:14 ` Jarkko Sakkinen
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