Re: [Xen-devel] [PATCH V2 3/5] exec: Introduce helper to set dirty flags.

[Avi Kivity <avi@xxxxxxxxxx>]

On 07/20/2012 05:34 PM, Anthony PERARD wrote:
> This new helper/hook is used in the next patch to add an extra call in a 
> single
> place.
> 
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> ---
>  exec.c |   42 ++++++++++++++----------------------------
>  1 files changed, 14 insertions(+), 28 deletions(-)
> 
> diff --git a/exec.c b/exec.c
> index feb4795..b24a03a 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -3386,6 +3386,16 @@ int cpu_memory_rw_debug(CPUArchState *env, 
> target_ulong addr,
>  }
>  
>  #else

<blank line>

> +static void set_dirty_helper(target_phys_addr_t addr, target_phys_addr_t 
> length)

More meaningful name please.  Practically every function can be name
something_helper().

> +{
> +    if (!cpu_physical_memory_is_dirty(addr)) {
> +        /* invalidate code */
> +        tb_invalidate_phys_page_range(addr, addr + length, 0);
> +        /* set dirty bit */
> +        cpu_physical_memory_set_dirty_flags(addr, (0xff & ~CODE_DIRTY_FLAG));
> +    }
> +}
> +

Otherwise looks good; a nice cleanup in its own right.



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



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