RE: [Xen-devel] [PATCH] [x86_64] Fixing PGT_va_mutable and PGT_va_unknown

["Nakajima, Jun" <jun.nakajima@xxxxxxxxx>]

Keir Fraser wrote:
> On 15 Aug 2005, at 08:11, Nakajima, Jun wrote:
> 
>> This patch ensures that type_info is always greater than
>> PGT_va_unknown if PGT_va_mutable is set.
> 
> Okay, but I see no reason to change PGT_va_mask. You already include
> 28 bits where you actually need only 27 bits of backptr.

The current one
#define PGT_va_mask         ((unsigned long)((1U<<28)-1)<<PGT_va_shift)
includes only 27 bits (see -1). 

> 
>   -- Keir


Jun
---
Intel Open Source Technology Center

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel