The patch titled
lguest update for mm: disable tsc, don't set PGE bit
has been added to the -mm tree. Its filename is
lguest-the-guest-code-update-for-mm-disable-tsc-dont-set-pge-bit.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 update for mm: disable tsc, don't set PGE bit
From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Lguest guests don't use the TSC, and so we must disable it otherwise
sched-clock.c barfs.
Also, we no longer need to explicitly set the PGE feature bit:
cpu_detect->cpuid->lguest_cpuid does that for us now that cpu_detect
uses paravirt_ops (IIRC it used to do a direct cpuid from assembler).
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/lguest/lguest.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/lguest/lguest.c~lguest-the-guest-code-update-for-mm-disable-tsc-dont-set-pge-bit drivers/lguest/lguest.c
--- a/drivers/lguest/lguest.c~lguest-the-guest-code-update-for-mm-disable-tsc-dont-set-pge-bit
+++ a/drivers/lguest/lguest.c
@@ -502,11 +502,11 @@ __init void lguest_init(void)
reserve_top_address(lguest_data.reserve_mem);
cpu_detect(&new_cpu_data);
- /* Need this before paging_init. */
- set_bit(X86_FEATURE_PGE, new_cpu_data.x86_capability);
/* Math is always hard! */
new_cpu_data.hard_math = 1;
+ tsc_disable = 1;
+
#ifdef CONFIG_X86_MCE
mce_disabled = 1;
#endif
_
Patches currently in -mm which might be from rusty@xxxxxxxxxxxxxxx are
refine-screen_info-sanity-check-for-vgacon-initialization.patch
fix-x86_64-mm-sched-clock-share.patch
xfs-clean-up-shrinker-games.patch
mm-clean-up-and-kernelify-shrinker-registration.patch
use-menuconfig-objects-ii-module-menu.patch
split-usermodehelper-setup-from-execution.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
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-the-host-code.patch
lguest-the-host-code-tidyups.patch
lguest-the-host-code-tidyups-update.patch
lguest-the-host-code-borkages.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-block-driver.patch
lguest-the-block-driver-tidyups.patch
lguest-the-block-driver-tidyups-update.patch
lguest-the-documentation-example-launcher.patch
mm-clean-up-and-kernelify-shrinker-registration-reiser4.patch
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