The patch titled
lguest: suppress IDE probing
has been added to the -mm tree. Its filename is
lguest-the-guest-code-suppress-ide-probing.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: lguest: suppress IDE probing
From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
The IDE probe is the slowest part of boot: by suppressing it we cut
boot from from 4.1 seconds to 0.6 seconds.
It turns out that paravirt_disable_iospace() does just this. Woot!
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/lguest/lguest.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN drivers/lguest/lguest.c~lguest-the-guest-code-suppress-ide-probing drivers/lguest/lguest.c
--- a/drivers/lguest/lguest.c~lguest-the-guest-code-suppress-ide-probing
+++ a/drivers/lguest/lguest.c
@@ -510,6 +510,8 @@ __init void lguest_init(void)
reserve_top_address(lguest_data.reserve_mem);
+ paravirt_disable_iospace();
+
cpu_detect(&new_cpu_data);
/* Math is always hard! */
new_cpu_data.hard_math = 1;
_
Patches currently in -mm which might be from rusty@xxxxxxxxxxxxxxx are
git-kbuild.patch
paravirt-helper-to-disable-all-io-space.patch
paravirt-helper-to-disable-all-io-space-fix.patch
xen-disable-all-non-virtual-devices.patch
mm-clean-up-and-kernelify-shrinker-registration.patch
use-menuconfig-objects-ii-module-menu.patch
fix-stop_machine_run-problem-with-naughty-real-time-process.patch
cpu-hotplug-fix-ksoftirqd-termination-on-cpu-hotplug-with-naughty-realtime-process.patch
cpu-hotplug-fix-ksoftirqd-termination-on-cpu-hotplug-with-naughty-realtime-process-fix.patch
define-new-percpu-interface-for-shared-data.patch
use-the-new-percpu-interface-for-shared-data.patch
lguest-export-symbols-for-lguest-as-a-module.patch
lguest-the-guest-code.patch
lguest-the-guest-code-tidyups.patch
lguest-the-guest-code-tidyups-update.patch
lguest-the-guest-code-update-for-mm-disable-tsc-dont-set-pge-bit.patch
lguest-speed-up-paravirt_lazy_flush-handling.patch
lguest-more-lazy_hcalls.patch
lguest-the-guest-code-tsc-fix.patch
lguest-the-guest-code-suppress-ide-probing.patch
lguest-the-host-code.patch
lguest-the-host-code-tidyups.patch
lguest-the-host-code-tidyups-update.patch
lguest-the-host-code-borkages.patch
lguest-faster-tls-switching.patch
lguest-the-host-code-dont-signal-like-crazy-use-lhreq_break-command.patch
lguest-the-host-code-use-tsc.patch
lguest-the-host-code-use-hrtimers.patch
lguest-the-host-code-update-for-mm-simplify-boot_params.patch
lguest-the-asm-offsets.patch
lguest-the-makefile-and-kconfig.patch
lguest-the-makefile-and-kconfig-tidyups.patch
lguest-the-console-driver.patch
lguest-the-console-driver-tidyups.patch
lguest-the-net-driver.patch
lguest-the-net-driver-tidyups.patch
lguest-the-net-driver-tidyups-update.patch
lguest-the-net-driver-include-fix.patch
lguest-the-block-driver.patch
lguest-the-block-driver-tidyups.patch
lguest-the-block-driver-tidyups-update.patch
lguest-the-documentation-example-launcher.patch
lguest-the-documentation-example-launcher-example-launcher-fix.patch
lguest-dont-signal-like-crazy-use-lhreq_break-command-doc.patch
mm-clean-up-and-kernelify-shrinker-registration-reiser4.patch
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