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ACPI: plan to delete "acpi=ht" boot option

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Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2010-03-14 16:28:46 -04:00
parent 8144c88039
commit 4c81ba4900
2 changed files with 10 additions and 1 deletions
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7
Documentation/feature-removal-schedule.txt
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@ -582,3 +582,10 @@ Why: The paravirt mmu host support is slower than non-paravirt mmu, both
Who: Avi Kivity <avi@redhat.com> Who: Avi Kivity <avi@redhat.com>
---------------------------- ----------------------------
What: "acpi=ht" boot option
When: 2.6.35
Why: Useful in 2003, implementation is a hack.
Generally invoked by accident today.
Seen as doing more harm than good.
Who: Len Brown <len.brown@intel.com>

4
arch/x86/kernel/acpi/boot.c
View File

@ -1559,8 +1559,10 @@ static int __init parse_acpi(char *arg)
} }
/* Limit ACPI just to boot-time to enable HT */ /* Limit ACPI just to boot-time to enable HT */
else if (strcmp(arg, "ht") == 0) { else if (strcmp(arg, "ht") == 0) {
if (!acpi_force) if (!acpi_force) {
printk(KERN_WARNING "acpi=ht will be removed in Linux-2.6.35\n");
disable_acpi(); disable_acpi();
}
acpi_ht = 1; acpi_ht = 1;
} }
/* acpi=rsdt use RSDT instead of XSDT */ /* acpi=rsdt use RSDT instead of XSDT */