On Thu, Jul 11, 2019 at 10:43:13PM +0300, Jarkko Sakkinen wrote: > On Thu, Jul 11, 2019 at 09:35:33PM +0300, Jarkko Sakkinen wrote: > > > Careful with this, you can't backport this to any kernels that don't > > > have the sysfs ops locking changes or they will crash in sysfs code. > > > > Oops, I was way too fast! Thanks Jason. > > Hmm... hold on a second. > > How would the crash realize? I mean this is at the point when user space > should not be active. Not strictly, AFAIK > Secondly, why the crash would not realize with > TPM2? The only thing the fix is doing is to do the same thing with TPM1 > essentially. TPM2 doesn't use the unlocked sysfs path Jason
