[Lguest] [PATCH v2 2/3] lguest: Physical Address Extension	support
    Rusty Russell 
    rusty at rustcorp.com.au
       
    Mon Oct 20 14:44:36 EST 2008
    
    
  
On Monday 29 September 2008 14:40:07 Matias Zabaljauregui wrote:
> This patch adds Physical Address Extension support to lguest.
And this was basically flawless.  Nice work!
>  	if (!(pgd_flags(gpgd) & _PAGE_PRESENT))
>  		return 0;
>
>  	/* Now look at the matching shadow entry. */
>  	spgd = spgd_addr(cpu, cpu->cpu_pgd, vaddr);
> +
>  	if (!(pgd_flags(*spgd) & _PAGE_PRESENT)) {
>  		/* No shadow entry: allocate a new shadow PTE page. */
>  		unsigned long ptepage = get_zeroed_page(GFP_KERNEL);
I did remove this whitespace change noise.
Thanks,
Rusty.
    
    
More information about the Lguest
mailing list