On Thu, Apr 25, 2024 at 10:13:11AM -0700, Ricardo Neri wrote: > The Intel Software Development manual defines the temperature digital > readout as the bits [22:16] of the IA32_[PACKAGE]_THERM_STATUS registers. > Bit 23 is specified as reserved. > > In recent processors, however, the temperature digital readout uses bits > [23:16]. In those processors, using the bitmask 0x7f would lead to > incorrect readings if the temperature deviates from TjMax by more than > 127 degrees Celsius. > > Although not guaranteed, bit 23 is likely to be 0 in processors from a few > generations ago. The temperature reading would still be correct in those > processors when using a 0xff bitmask. > > Model-specific provisions can be made for older processors in which bit 23 > is not 0 should the need arise. > > Signed-off-by: Ricardo Neri <ricardo.neri-calderon@xxxxxxxxxxxxxxx> Applied. Thanks, Guenter
