Re: [Xen-devel] Slow HVM boot time, was "HVM boot time optimization"

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Thu, Feb 08, 2018 at 04:48:10PM +0000, Wei Liu wrote:
> On Thu, Feb 08, 2018 at 08:31:40AM -0800, Stefano Stabellini wrote:
> > CC'ing xen-devel and a few relevant people
> > 
> > On Thu, 8 Feb 2018, Yessine Daoud wrote:
> > > Dear Sir,
> > > I need your help please.
> > > 
> > > I am using a direct kernel boot (HVM guest) with kernel + ramdisk.
> > > At boot, seabios is bloqued about 20 seconds (or more) at the following 
> > > state:
> > > 
> 
> The manual seems a bit confusing to me but maybe I misremember how it
> works. My understanding is direct kernel boot jumps straight to kernel
> entry point without going through firmware.
> 
> If this is direct kernel boot why is seabios involved?

seabios is the one to load the kernel into memory and start it.

-- 
Anthony PERARD

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel