Commit d1c29465 authored by Rusty Russell's avatar Rusty Russell
Browse files

lguest: don't disable iospace. 



This no longer speeds up boot (IDE got better, I guess), but it does stop
us probing for a PCI bus.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 48fd6b71

arch/x86/lguest/boot.c

+0 −8
Original line number Diff line number Diff line
@@ -1399,14 +1399,6 @@ __init void lguest_init(void) 
	/* Hook in our special panic hypercall code. */

	atomic_notifier_chain_register(&panic_notifier_list, &paniced);



	/*

	 * The IDE code spends about 3 seconds probing for disks: if we reserve

	 * all the I/O ports up front it can't get them and so doesn't probe.

	 * Other device drivers are similar (but less severe).  This cuts the

	 * kernel boot time on my machine from 4.1 seconds to 0.45 seconds.

	 */

	paravirt_disable_iospace();



	/*

	 * This is messy CPU setup stuff which the native boot code does before

	 * start_kernel, so we have to do, too: