Messages in this thread | | | Subject | Re: [tpmdd-devel] [PATCH RFC v3 5/5] tpm2: expose resource manager via a device link /dev/tpms<n> | From | James Bottomley <> | Date | Thu, 19 Jan 2017 07:19:40 -0500 |
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On Thu, 2017-01-19 at 12:49 +0200, Jarkko Sakkinen wrote: > On Wed, Jan 18, 2017 at 10:01:03AM -0500, James Bottomley wrote: > > On Mon, 2017-01-16 at 15:12 +0200, Jarkko Sakkinen wrote: > > > From: James Bottomley <James.Bottomley@HansenPartnership.com> > > > > > > Currently the Resource Manager (RM) is not exposed to userspace. > > > Make this exposure via a separate device, which can now be > > > opened multiple times because each read/write transaction goes > > > separately via the RM. > > > > > > Concurrency is protected by the chip->tpm_mutex for each > > > read/write transaction separately. The TPM is cleared of all > > > transient objects by the time the mutex is dropped, so there > > > should be no interference between the kernel and userspace. > > > > There's actually a missing kfree of context_buf on the tpms_release > > path as well. This patch fixes it up. > > Can you send me a fresh version of the whole patch so that I can > include to v4 that includes also changes that I requested in my > recent comments + all the fixes?
Sure, I think the attached is basically it
James [unhandled content-type:application/mbox] | |