From 4c81ba4900ab4eb24c7d2ba1aca594c644b6ce4c Mon Sep 17 00:00:00 2001 From: Len Brown Date: Sun, 14 Mar 2010 16:28:46 -0400 Subject: ACPI: plan to delete "acpi=ht" boot option Signed-off-by: Len Brown --- Documentation/feature-removal-schedule.txt | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'Documentation') diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index a5cc0db63d7..ed511af0f79 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -582,3 +582,10 @@ Why: The paravirt mmu host support is slower than non-paravirt mmu, both Who: Avi Kivity ---------------------------- + +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 -- cgit v1.2.3 From 3b1da4c5d1032ebc29fec8bd8f592ba6589be8ed Mon Sep 17 00:00:00 2001 From: Alex Chiang Date: Mon, 22 Feb 2010 12:11:34 -0700 Subject: ACPI: processor: remove early _PDC optin quirks Now that we check for physically present processors before blindly evaluating _PDC, we no longer need to maintain a DMI opt-in table nor a kernel param. Acked-by: Venkatesh Pallipadi Signed-off-by: Alex Chiang Signed-off-by: Len Brown --- Documentation/kernel-parameters.txt | 4 ---- drivers/acpi/processor_core.c | 37 ------------------------------------- 2 files changed, 41 deletions(-) (limited to 'Documentation') diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 3bc48b0bd3a..e4cbca58536 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -200,10 +200,6 @@ and is between 256 and 4096 characters. It is defined in the file acpi_display_output=video See above. - acpi_early_pdc_eval [HW,ACPI] Evaluate processor _PDC methods - early. Needed on some platforms to properly - initialize the EC. - acpi_irq_balance [HW,ACPI] ACPI will balance active IRQs default in APIC mode diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index f0c68c1b86d..ef34faad600 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -341,36 +341,6 @@ void acpi_processor_set_pdc(acpi_handle handle) } EXPORT_SYMBOL_GPL(acpi_processor_set_pdc); -static int early_pdc_optin; -static int set_early_pdc_optin(const struct dmi_system_id *id) -{ - early_pdc_optin = 1; - return 0; -} - -static int param_early_pdc_optin(char *s) -{ - early_pdc_optin = 1; - return 1; -} -__setup("acpi_early_pdc_eval", param_early_pdc_optin); - -static struct dmi_system_id __cpuinitdata early_pdc_optin_table[] = { - { - set_early_pdc_optin, "HP Envy", { - DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Envy") }, NULL}, - { - set_early_pdc_optin, "HP Pavilion dv6", { - DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv6") }, NULL}, - { - set_early_pdc_optin, "HP Pavilion dv7", { - DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv7") }, NULL}, - {}, -}; - static acpi_status early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv) { @@ -396,13 +366,6 @@ void __init acpi_early_processor_set_pdc(void) */ dmi_check_system(processor_idle_dmi_table); - /* - * Allow systems to opt-in to early _PDC evaluation. - */ - dmi_check_system(early_pdc_optin_table); - if (!early_pdc_optin) - return; - acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, early_init_pdc, NULL, NULL, NULL); -- cgit v1.2.3