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Date: Fri, 6 Feb 2015 15:51:51 +1030 From: Rusty Russell <rusty@...tcorp.com.au> To: "lkml" <linux-kernel@...r.kernel.org> Cc: Rusty Russell <rusty@...tcorp.com.au> Subject: [PATCH 08/29] 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: Rusty Russell <rusty@...tcorp.com.au> --- arch/x86/lguest/boot.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index c1c1544b8485..47ec7f201d27 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -1400,14 +1400,6 @@ __init void lguest_init(void) 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: */ -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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