Dave Airlie <[email protected]> ha scritto:
> diff --git a/drivers/video/gpu_layer.c b/drivers/video/gpu_layer.c
> new file mode 100644
> index 0000000..36e7037
> --- /dev/null
> +++ b/drivers/video/gpu_layer.c
> @@ -0,0 +1,393 @@
> +/*
> + * drivers/video/gpu_layer.c
> + *
> + * (C) Copyright Dave Airlie 2006
> + *
> + */
> +#include <linux/device.h>
> +#include <linux/list.h>
> +#include <linux/mutex.h>
> +#include <linux/pci.h>
> +#include <linux/gpu_layer.h>
> +
> +/* GPUs we manage */
> +LIST_HEAD(gpu_bus_list);
> +
> +/* used when allocating bus numbers */
> +#define GPU_MAXBUS 16
> +struct gpu_busmap {
> + unsigned long busmap [GPU_MAXBUS / (8*sizeof (unsigned long))];
> +};
16 / (8 * 4) is zero (the same with sizeof(long) == 8). When doing bit
ops on that zero-sized array you are probably corrupting the BSS.
Luca
--
Home: http://kronoz.cjb.net
Recursion n.:
See Recursion.
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