Re: [PATCH] xen/ACPI: Use const char * for string literals

[Julien Grall <julien@xxxxxxx>]

Hi Andrew,

On 14/07/2023 14:10, Andrew Cooper wrote:
> For pre-ANSI-C compatibility reasons, string literals have a mutable type, but
> it is undefined behaviour to mutate them.
>
> Swap char *'s to const char *'s for variables which hold string literals.
>
> This fixes several violations of MISRA Rule 7.4:
>
>    A string literal shall not be assigned to an object unless the object's type
>    is "pointer to const-qualified char".
>
> No functional change.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

I had a similar patch in my queue. But never sent as I didn't know 
whether it would be accepted. This was one of the major blocker for 
switching the hypervisor to use const string.
Acked-by: Julien Grall <jgrall@xxxxxxxxxx>

Cheers,

--
Julien Grall