On Tue, Jul 18, 2017 at 8:49 AM, Greg KH <gre...@linuxfoundation.org> wrote: > On Fri, Jul 14, 2017 at 12:58:03PM -0700, Josh Zimmerman wrote: >> Backport of d1bd4a792d3961a04e6154118816b00167aad91a upstream. >> >> If a TPM2 loses power without a TPM2_Shutdown command being issued (a >> "disorderly reboot"), it may lose some state that has yet to be >> persisted to NVRam, and will increment the DA counter. After the DA >> counter gets sufficiently large, the TPM will lock the user out. >> >> NOTE: This only changes behavior on TPM2 devices. Since TPM1 uses sysfs, >> and sysfs relies on implicit locking on chip->ops, it is not safe to >> allow this code to run in TPM1, or to add sysfs support to TPM2, until >> that locking is made explicit. >> --- >> drivers/char/tpm/tpm-chip.c | 36 ++++++++++++++++++++++++++++++++++++ >> drivers/char/tpm/tpm-sysfs.c | 7 +++++++ >> 2 files changed, 43 insertions(+) >> > > Again no signed-off-by :(
Oops, sorry about that. Did you pull in the two cherry-picks as well? They're needed for these two to build and merge cleanly. I can send a v2 if you need with a corrected signed-off-by and correct number of patches in the cover letter. Josh ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ tpmdd-devel mailing list tpmdd-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tpmdd-devel
