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Groups > linux.kernel > #1577900
| From | James Bottomley <James.Bottomley@HansenPartnership.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion |
| Date | 2017-02-09 20:40 +0100 |
| Message-ID | <t92Jr-1MV-5@gated-at.bofh.it> (permalink) |
| References | <t8STM-4gx-27@gated-at.bofh.it> <t8STM-4gx-25@gated-at.bofh.it> <t8YPv-7PX-9@gated-at.bofh.it> <t92gr-1CS-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, 2017-02-09 at 12:04 -0700, Jason Gunthorpe wrote: > On Thu, Feb 09, 2017 at 05:19:22PM +0200, Jarkko Sakkinen wrote: > > The current patch set does not define policy. The simple policy > > addition that could be added soon is the limit of connections > > because it is easy to implement in non-intrusive way. > > It is also trivial for a userspace RM to limit the number of sessions > or connections or otherwise to manage this limitation. It is hard to > see why we'd need kernel support for this. Because the kernel is a primary TPM user. We can't have the kernel call on the in-userspace resource manager without causing a deadlock, so we need as much of the RM as is needed to support the kernel in the kernel itself. James
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Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion "Dr. Greg Wettstein" <greg@wind.enjellic.com> - 2017-02-09 10:10 +0100
Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-09 16:30 +0100
Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2017-02-09 20:10 +0100
Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-09 20:40 +0100
Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2017-02-09 23:30 +0100
Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-10 09:50 +0100
Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-09 20:30 +0100
Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-09 21:20 +0100
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