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authorRusty Russell <rusty@rustcorp.com.au>2015-02-11 15:15:10 +1030
committerRusty Russell <rusty@rustcorp.com.au>2015-02-11 16:47:32 +1030
commitd1c29465b8a52d8fc5a59aac92c6b206b69fe631 (patch)
tree5e1de4fbc947d5ee0324dada94e52f1a0eedba91 /arch/x86
parent48fd6b71d60ef66ef2d791045d750168c0d09201 (diff)
downloadop-kernel-dev-d1c29465b8a52d8fc5a59aac92c6b206b69fe631.zip
op-kernel-dev-d1c29465b8a52d8fc5a59aac92c6b206b69fe631.tar.gz
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@rustcorp.com.au>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/lguest/boot.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index c1c1544..47ec7f2 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:
*/
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