Re: [PATCH] kvm tools: mmap guest kernel instead of reading it into memory

[Sasha Levin <levinsasha928@gmail.com>]

On Mon, 2011-12-12 at 20:10 +0200, Avi Kivity wrote:
> On 12/12/2011 04:47 PM, Sasha Levin wrote:
> > This patch mmaps guest kernel into it's own memory slot instead of reading
> > it into the memory.
> >
> > -	} else {
> > -		/* First RAM range from zero to the PCI gap: */
> >  
> > +		/* Mapped kernel */
> > +		phys_start = BZ_KERNEL_START;
> > +		phys_size  = bzl;
> > +		host_mem   = kvm->bz_start;
> > +
> > +		kvm__register_mem(kvm, phys_start, phys_size, host_mem);
> > +
> > +		/* Rest of the memory */
> > +		phys_start = BZ_KERNEL_START + bzl;
> > +		phys_size  = kvm->ram_size - (BZ_KERNEL_START + bzl);
> > +		host_mem   = kvm->ram_start + (BZ_KERNEL_START + bzl);
> > +
> > +		kvm__register_mem(kvm, phys_start, phys_size, host_mem);
> >
> 
> 
> You don't actually need separate slots for this (there is no requirement
> that a slot == one vma).

How exactly would I put it into one slot?

-- 

Sasha.