a6e9c37f5e
Right now systemd-tpm2-setup-early and systemd-pcrphase-initrd.service are not ordered against each other. However, they require the same slow resource to operate: the TPM2. If we allow them to access the device simultaneously, the kernel resource manager like has to save/restore TPM state while they operate, slowing things down further. hence, let's avoid all this mess, and just order them against each other so that the shared resource is first used in full by one and then by the other. I opted to order systemd-pcrphase-initrd before systemd-tpm2-setup-early, since there's value in having the former as early as possible in userspace, to be a good marker for the transition from kernel to first userspace. I can see no benefit in the opposite order however.
System and Service Manager
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