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d65aef2546
commite42acf104dupstream. The current release locality code seems to be based on the misunderstanding that the TPM interrupts when a locality is released: it doesn't, only when the locality is acquired. Furthermore, there seems to be no point in waiting for the locality to be released. All it does is penalize the last TPM user. However, if there's no next TPM user, this is a pointless wait and if there is a next TPM user, they'll pay the penalty waiting for the new locality (or possibly not if it's the same as the old locality). Fix the code by making release_locality as simple write to release with no waiting for completion. Cc: stable@ger.kernel.org Fixes:33bafe9082("tpm_tis: verify locality released before returning from release_locality") Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.