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authorJett Rink <jettrink@chromium.org>2020-07-10 12:10:35 -0600
committerPatrick Georgi <pgeorgi@google.com>2020-07-15 08:42:11 +0000
commit3f5de1c8f43b380dabb09bf10e3cea5b536a5856 (patch)
treeb3bc8720b044089a1d6fdfe0ecef092c2f1c1116 /src/mainboard/google/dedede
parent60e6f6e1e52a62556d3025f061c1a8edecdbc29f (diff)
security/vboot: ensure that NVMEM is saved on every kernel space write
If the AP actually needs to write to the TPM, then it is important and the TPM should commit those changes to NVMEM immediately in case there is an unexpected power loss (e.g. from a USB-C port partner reset upon cold reboot request). BRANCH=none BUG=b:160913048 TEST=Verify that puff will no longer reboot loop when coreboot writes a new Hmir (Hash mirror) in the TPM Change-Id: I9597a55891d11bdf040d70f38b4c5a59c7888b8a Signed-off-by: Jett Rink <jettrink@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43414 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/dedede')
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