> We have 2 fields in "struct pnv_phb" to trace the states. The patch
> replace the fields with one and introduces flags for that. The patch
> doesn't impact the logic.
What is the benefit of this change?
...
> +
> +#define PNV_EEH_STATE_ENABLED (1 << 0) /* EEH enabled */
> +#define PNV_EEH_STATE_REMOVED (1 << 1) /* PHB removed */
> +
> #endif /* CONFIG_EEH */
>
> struct pnv_phb {
> @@ -92,8 +96,7 @@ struct pnv_phb {
>
> #ifdef CONFIG_EEH
> struct pnv_eeh_ops *eeh_ops;
> - int eeh_enabled;
> - int removed;
> + int eeh_state;
> #endif
>
> #ifdef CONFIG_DEBUG_FS
All I can see is that it possibly reduces a structure by 4 bytes
while adding extra code.
(On 64 bit systems there might be a 4 byte pad added.)
David
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