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From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>
Cc: qemu-devel@nongnu.org, Anthony PERARD <anthony@xenproject.org>,
	xen-devel@lists.xenproject.org,
	Pierrick Bouvier <pierrick.bouvier@linaro.org>,
	Paul Durrant <paul@xen.org>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Anton Johansson <anjo@rev.ng>
Subject: Re: [PATCH 2/3] hw/xen: Replace target_ulong by agnostic target_long_bits()
Date: Tue, 28 Oct 2025 13:49:00 +0100	[thread overview]
Message-ID: <aQC7vCX4OHElpfDD@zapote> (raw)
In-Reply-To: <20251022140114.72372-3-philmd@linaro.org>

On Wed, Oct 22, 2025 at 04:01:12PM +0200, Philippe Mathieu-Daudé wrote:
> Both are equivalent:
> 
>   target_long_bits()
> 
>   sizeof(target_u?long) * BITS_PER_BYTE
> 
> Prefer the former which is target-agnostic.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>



> ---
>  hw/xen/xen-hvm-common.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/xen/xen-hvm-common.c b/hw/xen/xen-hvm-common.c
> index 258014370e1..b40ae0b3af0 100644
> --- a/hw/xen/xen-hvm-common.c
> +++ b/hw/xen/xen-hvm-common.c
> @@ -2,8 +2,8 @@
>  #include "qemu/units.h"
>  #include "qemu/bitops.h"
>  #include "qemu/error-report.h"
> +#include "qemu/target-info.h"
>  #include "qapi/error.h"
> -#include "exec/target_long.h"
>  #include "exec/target_page.h"
>  #include "trace.h"
>  
> @@ -455,7 +455,7 @@ static void handle_ioreq(XenIOState *state, ioreq_t *req)
>                         req->addr, req->data, req->count, req->size);
>  
>      if (!req->data_is_ptr && (req->dir == IOREQ_WRITE) &&
> -            (req->size < sizeof (target_ulong))) {
> +            (req_size_bits < target_long_bits())) {
>          req->data &= MAKE_64BIT_MASK(0, req_size_bits);
>      }
>  
> -- 
> 2.51.0
> 


  parent reply	other threads:[~2025-10-28 12:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-22 14:01 [PATCH 0/3] hw/xen: Build only once Philippe Mathieu-Daudé
2025-10-22 14:01 ` [PATCH 1/3] hw/xen: Use BITS_PER_BYTE & MAKE_64BIT_MASK() in req_size_bits() Philippe Mathieu-Daudé
2025-10-28  8:08   ` Pierrick Bouvier
2025-10-28 12:48   ` Edgar E. Iglesias
2025-10-22 14:01 ` [PATCH 2/3] hw/xen: Replace target_ulong by agnostic target_long_bits() Philippe Mathieu-Daudé
2025-10-28  8:09   ` Pierrick Bouvier
2025-10-28 12:49   ` Edgar E. Iglesias [this message]
2025-10-22 14:01 ` [PATCH 3/3] hw/xen: Build only once Philippe Mathieu-Daudé
2025-10-28  8:09   ` Pierrick Bouvier
2025-10-28 13:57   ` Edgar E. Iglesias
2025-10-27 19:17 ` [PATCH 0/3] " Philippe Mathieu-Daudé
2025-10-29 18:03   ` Philippe Mathieu-Daudé

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