Re: [Qemu-devel] [PATCH] linux-user: Introduce h2g_valid

[Aurelien Jarno <aurelien@aurel32.net>]

On Wed, Dec 03, 2008 at 01:29:40PM +0200, Kirill A. Shutemov wrote:
> From: Jan Kiszka <jan.kiszka@web.de>
> 
> Introduce h2g_valid to check if a given host address can be converted
> into a valid guest address.

Applied. I have seen the patch has been modified since Jan Kiszka posted
it to the mailing list. Not sure a Signed-off-by still applies in that
case.

> Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
> Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
> ---
>  cpu-all.h |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/cpu-all.h b/cpu-all.h
> index 526ace2..341c38e 100644
> --- a/cpu-all.h
> +++ b/cpu-all.h
> @@ -638,6 +638,10 @@ static inline void stfq_be_p(void *ptr, float64 v)
>      assert(__ret == (abi_ulong)__ret); \
>      (abi_ulong)__ret; \
>  })
> +#define h2g_valid(x) ({ \
> +    unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \
> +    (__guest == (abi_ulong)__guest); \
> +})
>  
>  #define saddr(x) g2h(x)
>  #define laddr(x) g2h(x)
> -- 
> 1.6.0.2.GIT
> 
> 
> 
> 

-- 
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