Re: [Qemu-devel] [PATCH] hw/net/pcnet: Use qemu_log_mask(GUEST_ERROR) instead of fprintf

[Thomas Huth <thuth@redhat.com>]

On 11/03/2019 11.27, Philippe Mathieu-Daudé wrote:
> Avoid to clutter stdout until explicitly requested
> (with -d guest_errors):
> 
>   $ qemu-system-mips -M malta -m 512 -kernel vmlinux-3.2.0-4-4kc-malta
>   Bad SWSTYLE=0x04
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> Helge patch "pcnet: Avoid warning when switching back to 16bit mode"
> remembered me I had this one somewhere.
> ---
>  hw/net/pcnet.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c
> index d9ba04bdfc..16683091c9 100644
> --- a/hw/net/pcnet.c
> +++ b/hw/net/pcnet.c
> @@ -36,6 +36,7 @@
>   */
>  
>  #include "qemu/osdep.h"
> +#include "qemu/log.h"
>  #include "hw/qdev.h"
>  #include "net/net.h"
>  #include "net/eth.h"
> @@ -1501,7 +1502,8 @@ static void pcnet_bcr_writew(PCNetState *s, uint32_t rap, uint32_t val)
>              val |= 0x0300;
>              break;
>          default:
> -            printf("Bad SWSTYLE=0x%02x\n", val & 0xff);
> +            qemu_log_mask(LOG_GUEST_ERROR, "pcnet: Bad SWSTYLE=0x%02x\n",
> +                          val & 0xff);
>              val = 0x0200;
>              break;
>          }
> 

Reviewed-by: Thomas Huth <thuth@redhat.com>