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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt27
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 07e22ba5bfe3..39b3fac28dd7 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2538,6 +2538,13 @@
requires the kernel to be built with
CONFIG_ARM64_PSEUDO_NMI.
+ irqchip.riscv_imsic_noipi
+ [RISC-V,EARLY]
+ Force the kernel to not use IMSIC software injected MSIs
+ as IPIs. Intended for system where IMSIC is trap-n-emulated,
+ and thus want to reduce MMIO traps when triggering IPIs
+ to multiple harts.
+
irqfixup [HW]
When an interrupt is not handled search all handlers
for it. Intended to get systems with badly broken
@@ -5000,6 +5007,18 @@
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 +7233,14 @@
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