** Changed in: kunpeng920/ubuntu-20.04
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1859743
Title:
[tpm-0115]EFI/stub: tpm: enable tpm eventlog function for ARM64
platform
Status in kunpeng920:
Fix Committed
Status in kunpeng920 ubuntu-18.04 series:
Won't Fix
Status in kunpeng920 ubuntu-18.04-hwe series:
Fix Released
Status in kunpeng920 ubuntu-19.10 series:
Fix Released
Status in kunpeng920 ubuntu-20.04 series:
Fix Released
Status in kunpeng920 upstream-kernel series:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Eoan:
Fix Released
Status in linux source package in Focal:
Fix Released
Bug description:
[Impact]
No TPM eventlog information in sysfs
[Fix]
d99c1ba6a73b EFI/stub: tpm: enable tpm eventlog function for ARM64 platform
[Test]
ls -l /sys/kernel/security/tpm0/binary_bios_measurements
[Regression Potential]
Only affect arm64 system with TPM. Lowest risk for other platform.
[Bug Description]
this patch gets tpm eventlog information such as device boot status,event guid
and so on, which will be from bios stage. it use "efi_retrieve_tpm2_eventlog"
functions to get it for ARM64 platorm.
[Steps to Reproduce]
1) ls -l /sys/kernel/security/tpm0/binary_bios_measurements
2)
3)
[Actual Results]
'/sys/kernel/security/tpm0/binary_bios_measurements' no such file or directory
[Expected Results]
ok
[Reproducibility]
100%
[Additional information]
(Firmware version, kernel version, affected hardware, etc. if required):
[Resolution]
d99c1ba6a73b EFI/stub: tpm: enable tpm eventlog function for ARM64 platform
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