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Re: [PATCH] hw/hyperv: Fix 32-bit build error for vmbus.


From: Jon Doron
Subject: Re: [PATCH] hw/hyperv: Fix 32-bit build error for vmbus.
Date: Sun, 6 Sep 2020 09:29:58 +0300

Hi Richard,

I have already submitted this 7 weeks ago
https://patchew.org/QEMU/20200715084326.678715-1-arilou@gmail.com/20200715084326.678715-3-arilou@gmail.com/

On Sun, Sep 6, 2020 at 8:01 AM Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> ../qemu/hw/hyperv/vmbus.c: In function ‘gpadl_iter_io’:
> ../qemu/hw/hyperv/vmbus.c:383:13: error: cast to pointer from integer of 
> different size [-Werror=int-to-pointer-cast]
>   383 |         p = (void *)(((uintptr_t)iter->map & TARGET_PAGE_MASK) | 
> off_in_page);
>       |             ^
> cc1: all warnings being treated as errors
>
> Fixes: 0d71f7082d7 ("vmbus: vmbus implementation")
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> Cc: Jon Doron <arilou@gmail.com>
> ---
>  hw/hyperv/vmbus.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c
> index 75af6b83dd..3482e9c6cb 100644
> --- a/hw/hyperv/vmbus.c
> +++ b/hw/hyperv/vmbus.c
> @@ -380,7 +380,8 @@ static ssize_t gpadl_iter_io(GpadlIter *iter, void *buf, 
> uint32_t len)
>              }
>          }
>
> -        p = (void *)(((uintptr_t)iter->map & TARGET_PAGE_MASK) | 
> off_in_page);
> +        p = (void *)(uintptr_t)
> +            (((uintptr_t)iter->map & TARGET_PAGE_MASK) | off_in_page);
>          if (iter->dir == DMA_DIRECTION_FROM_DEVICE) {
>              memcpy(p, buf, cplen);
>          } else {
> --
> 2.25.1
>



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