On Tue, Oct 06, 2020 at 02:44:42PM -0600, Shuah Khan wrote: > counter_atomic* is introduced to be used when a variable is used as > a simple counter and doesn't guard object lifetimes. This clearly > differentiates atomic_t usages that guard object lifetimes. > > counter_atomic* variables will wrap around to 0 when it overflows and > should not be used to guard resource lifetimes, device usage and > open counts that control state changes, and pm states. > > atomic_t variables used for pci counters keep track of pci parity and > non-parity errors. Convert them to use counter_atomic32. > > Overflow will wrap around and reset the counts as was the case prior to > the conversion. > > Acked-by: Borislav Petkov <[email protected]> > Signed-off-by: Shuah Khan <[email protected]>
Looks like pure logging. :) Reviewed-by: Kees Cook <[email protected]> -- Kees Cook
