diff options
Diffstat (limited to 'Documentation/core-api')
-rw-r--r-- | Documentation/core-api/cpu_hotplug.rst | 6 | ||||
-rw-r--r-- | Documentation/core-api/debugging-via-ohci1394.rst | 6 |
2 files changed, 3 insertions, 9 deletions
diff --git a/Documentation/core-api/cpu_hotplug.rst b/Documentation/core-api/cpu_hotplug.rst index 9511e405aabd..dcb0e379e5e8 100644 --- a/Documentation/core-api/cpu_hotplug.rst +++ b/Documentation/core-api/cpu_hotplug.rst @@ -40,12 +40,6 @@ Command Line Switches supplied here is lower than the number of physically available CPUs, then those CPUs can not be brought online later. -``additional_cpus=n`` - Use this to limit hotpluggable CPUs. This option sets - ``cpu_possible_mask = cpu_present_mask + additional_cpus`` - - This option is limited to the IA64 architecture. - ``possible_cpus=n`` This option sets ``possible_cpus`` bits in ``cpu_possible_mask``. diff --git a/Documentation/core-api/debugging-via-ohci1394.rst b/Documentation/core-api/debugging-via-ohci1394.rst index 981ad4f89fd3..cb3d3228dfc8 100644 --- a/Documentation/core-api/debugging-via-ohci1394.rst +++ b/Documentation/core-api/debugging-via-ohci1394.rst @@ -23,9 +23,9 @@ Retrieving a full system memory dump is also possible over the FireWire, using data transfer rates in the order of 10MB/s or more. With most FireWire controllers, memory access is limited to the low 4 GB -of physical address space. This can be a problem on IA64 machines where -memory is located mostly above that limit, but it is rarely a problem on -more common hardware such as x86, x86-64 and PowerPC. +of physical address space. This can be a problem on machines where memory is +located mostly above that limit, but it is rarely a problem on more common +hardware such as x86, x86-64 and PowerPC. At least LSI FW643e and FW643e2 controllers are known to support access to physical addresses above 4 GB, but this feature is currently not enabled by |