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[PATCH] paravirt: Allow disable power management under hypervisor

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Two legacy power management modes are much easier to just explicitly disable
when running in paravirtualized mode - neither APM nor PnP is still relevant.
The status of ACPI is still debatable, and noacpi is still a common enough
boot parameter that it is not necessary to explicitly disable ACPI.

Signed-off-by: Zachary Amsden <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
Cc: Rusty Russell <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
This commit is contained in:
Rusty Russell 2006-12-07 02:14:08 +01:00 • committed by Andi Kleen
commit 6020c8f315
2 changed files with 4 additions and 2 deletions
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3
drivers/pnp/pnpbios/core.c
View file

@ -530,7 +530,8 @@ static int __init pnpbios_init(void)
if (check_legacy_ioport(PNPBIOS_BASE))
return -ENODEV;
#endif
if (pnpbios_disabled || dmi_check_system(pnpbios_dmi_table)) {
if (pnpbios_disabled || dmi_check_system(pnpbios_dmi_table) ||
paravirt_enabled()) {
printk(KERN_INFO "PnPBIOS: Disabled\n");
return -ENODEV;
}