[RFC PATCH v2 10/45] arm64: irqflags: Introduce arm64-specific irqflags type

[Vladimir Murzin]

On 7/27/26 17:34, Vladimir Murzin wrote:
>  
> + /*
> +  * Internally, we want to independently manipulate and track the different
> +  * interrupt masking mechanisms.
> +  * Externally, the generic irqflags API expects unsgined longs to represent
> +  * the state of interrupts, which are treated as obscure arch-specific data.
> +  */
> +typedef union arm64_exc_hwstate {
> +	struct {
> +		u16 daif;
> +		u8 pmr;
> +		u8 __padding[5];

This padding hurts code generation. It is better expressed as:

 u8 __pad0;
 u32 __pad1;


> +	};
> +	unsigned long flags;
> +} arm64_exc_hwstate_t;
> +