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Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 07e22ba5bfe3..c3491143c706 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5000,6 +5000,18 @@ that number, otherwise (e.g., 'pmu_override=on'), MMCR1 remains 0. + pm_async= [PM] + Format: off + This parameter sets the initial value of the + /sys/power/pm_async sysfs knob at boot time. + If set to "off", disables asynchronous suspend and + resume of devices during system-wide power transitions. + This can be useful on platforms where device + dependencies are not well-defined, or for debugging + power management issues. Asynchronous operations are + enabled by default. + + pm_debug_messages [SUSPEND,KNL] Enable suspend/resume debug messages during boot up. @@ -7214,6 +7226,14 @@ causing a major performance hit, and the space where machines are deployed is by other means guarded. + tpm_crb_ffa.busy_timeout_ms= [ARM64,TPM] + Maximum time in milliseconds to retry sending a message + to the TPM service before giving up. This parameter controls + how long the system will continue retrying when the TPM + service is busy. + Format: <unsigned int> + Default: 2000 (2 seconds) + tpm_suspend_pcr=[HW,TPM] Format: integer pcr id Specify that at suspend time, the tpm driver |