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Diffstat (limited to 'Documentation/arch/arm64/asymmetric-32bit.rst')
| -rw-r--r-- | Documentation/arch/arm64/asymmetric-32bit.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/arch/arm64/asymmetric-32bit.rst b/Documentation/arch/arm64/asymmetric-32bit.rst index 64a0b505da7d..1ca2b359a907 100644 --- a/Documentation/arch/arm64/asymmetric-32bit.rst +++ b/Documentation/arch/arm64/asymmetric-32bit.rst @@ -153,3 +153,11 @@ asymmetric system, a broken guest at EL1 could still attempt to execute mode will return to host userspace with an ``exit_reason`` of ``KVM_EXIT_FAIL_ENTRY`` and will remain non-runnable until successfully re-initialised by a subsequent ``KVM_ARM_VCPU_INIT`` operation. + +NOHZ FULL +--------- + +To avoid perturbing an adaptive-ticks CPU (specified using +``nohz_full=``) when a 32-bit task is forcefully migrated, these CPUs +are treated as 64-bit-only when support for asymmetric 32-bit systems +is enabled. |