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Groups > linux.kernel > #1712495
| From | Ken Goldman <kgold@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [tpmdd-devel] [PATCH] tpm: improve tpm_tis send() performance by ignoring burstcount |
| Date | 2017-08-16 00:10 +0200 |
| Message-ID | <ueSca-76K-25@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <ucicO-4h6-15@gated-at.bofh.it> <ucFM6-3O1-19@gated-at.bofh.it> <ucGoO-4hg-27@gated-at.bofh.it> <udpOW-eI-21@gated-at.bofh.it> <ueaXv-5an-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 8/13/2017 7:53 PM, msuchanek wrote: > About 500 out of 700 mainboards sold today has a PS/2 port which is > probably due to prevalence of legacy devices and usbhid limitations. > > Similarily many boards have serial and parallel hardware ports. > > In all diagrams detailed enough to show these ports I have seen them > attached to the LPC bus. Do these boards have a TPM? Remember that the TPM requires special LPC bus cycles. Even if so, the TPM LPC bus wait states are less than a usec. My thought is that it's unlikely that any device (serial port, mouse, keyboard, printer) will be adversely affected.
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Re: [tpmdd-devel] [PATCH] tpm: improve tpm_tis send() performance by ignoring burstcount msuchanek <msuchanek@suse.de> - 2017-08-14 02:00 +0200
Re: [tpmdd-devel] [PATCH] tpm: improve tpm_tis send() performance by ignoring burstcount Ken Goldman <kgold@linux.vnet.ibm.com> - 2017-08-16 00:10 +0200
Re: [tpmdd-devel] [PATCH] tpm: improve tpm_tis send() performance by ignoring burstcount Michal Suchánek <msuchanek@suse.de> - 2017-08-16 12:30 +0200
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