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Diffstat (limited to 'docs/about/deprecated.rst')
| -rw-r--r-- | docs/about/deprecated.rst | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index ecccd5d3fc..78550c07bf 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -413,6 +413,18 @@ Specifying the iSCSI password in plain text on the command line using the used instead, to refer to a ``--object secret...`` instance that provides a password via a file, or encrypted. +CPU device properties +''''''''''''''''''''' + +``pmu-num=n`` on RISC-V CPUs (since 8.2) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +In order to support more flexible counter configurations this has been replaced +by a ``pmu-mask`` property. If set of counters is continuous then the mask can +be calculated with ``((2 ^ n) - 1) << 3``. The least significant three bits +must be left clear. + + Backwards compatibility ----------------------- |