Re: [PATCH v8 1/7] xen/console: do not use XENCONS_RING_IDX in console_init_ring()

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Mon, 27 Jul 2026, dmukhin@xxxxxxxx wrote:
> From: Denis Mukhin <dmukhin@xxxxxxxx> 
> 
> Replace XENCONS_RING_IDX with unsigned int for the console ring indices,
> as the console ring is not a Xen console (XENCONS) ring.
> 
> Suggested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> ---
> Changes since v7:
> - new patch
> ---
>  xen/drivers/char/console.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
> index ea4e3ff34178..37fdda93a4c1 100644
> --- a/xen/drivers/char/console.c
> +++ b/xen/drivers/char/console.c
> @@ -463,7 +463,7 @@ static void cf_check conring_dump_keyhandler(unsigned 
> char key)
>  void __init console_init_ring(void)
>  {
>      char *ring;
> -    XENCONS_RING_IDX done, size, n;
> +    unsigned int done, size, n;
>      unsigned int order, memflags;
>      unsigned long flags;
>  
> @@ -484,8 +484,8 @@ void __init console_init_ring(void)
>      size = conringp - conringc;
>      for ( done = 0; done < size; done += n )
>      {
> -        XENCONS_RING_IDX src = (conringc + done) & (conring_size - 1);
> -        XENCONS_RING_IDX dst = (conringc + done) & (opt_conring_size - 1);
> +        unsigned int src = (conringc + done) & (conring_size - 1);
> +        unsigned int dst = (conringc + done) & (opt_conring_size - 1);
>  
>          n = min(opt_conring_size - dst, conring_size - src);
>          n = min(size - done, n);
> -- 
> 2.54.0
>