Re: [PATCH] Add ability to drop pages through testdev

[Avi Kivity <avi@redhat.com>]

On 12/22/2010 05:18 PM, Gleb Natapov wrote:
> Signed-off-by: Gleb Natapov<gleb@redhat.com>
> diff --git a/hw/testdev.c b/hw/testdev.c
> index d1abf59..29df385 100644
> --- a/hw/testdev.c
> +++ b/hw/testdev.c
> @@ -1,3 +1,4 @@
> +#include<sys/mman.h>
>   #include "hw.h"
>   #include "qdev.h"
>   #include "isa.h"
> @@ -46,6 +47,16 @@ static uint32_t test_device_ioport_read(void *opaque, uint32_t addr)
>       return test_device_ioport_data;
>   }
>
> +static void test_device_flush_page(void *opaque, uint32_t addr, uint32_t data)
> +{
> +    target_phys_addr_t len = 4096;
> +    void *a = cpu_physical_memory_map(data&  ~0xffful,&len, 0);
> +
> +    mprotect(a, 4096, PROT_NONE);
> +    mprotect(a, 4096, PROT_READ|PROT_WRITE);
> +    cpu_physical_memory_unmap(a, len, 0, 0);
> +}
> +

Icky.  This is much better done through the api tests.  Applied it so as 
not to spoil all the effort.

-- 
error compiling committee.c: too many arguments to function