On 20.06.2023 12:35, Simone Ballarin wrote:
> --- a/xen/common/gunzip.c
> +++ b/xen/common/gunzip.c
> @@ -11,7 +11,7 @@ static unsigned char *__initdata window;
>  static memptr __initdata free_mem_ptr;
>  static memptr __initdata free_mem_end_ptr;
>  
> -#define WSIZE           0x80000000
> +#define WSIZE           0x80000000U

This again is an imported file, which I'm not sure we want to touch like
this. (Then again it's only a single line change.)

> --- a/xen/lib/muldiv64.c
> +++ b/xen/lib/muldiv64.c
> @@ -27,7 +27,7 @@ uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
>      rh = (uint64_t)u.l.high * (uint64_t)b;
>      rh += (rl >> 32);
>      res.l.high = rh / c;
> -    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
> +    res.l.low = (((rh % c) << 32) + (rl & 0xffffffffU)) / c;

This might be neater and more consistent with surrounding code if
switched to (uint32_t)rl.

Jan

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