Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
Merge branch 'bugzilla-14954' into release
+30
drivers/acpi/processor_pdc.c
+30
drivers/acpi/processor_pdc.c
···
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}
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EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);
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static acpi_status
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early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
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{
···
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* should not use mwait for CPU-states.
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*/
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dmi_check_system(processor_idle_dmi_table);
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acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
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ACPI_UINT32_MAX,
···
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}
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EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);
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147
+
static int early_pdc_optin;
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+
static int set_early_pdc_optin(const struct dmi_system_id *id)
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+
{
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+
early_pdc_optin = 1;
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+
return 0;
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+
}
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+
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+
static struct dmi_system_id __cpuinitdata early_pdc_optin_table[] = {
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+
{
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+
set_early_pdc_optin, "HP Envy", {
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+
DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"),
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+
DMI_MATCH(DMI_PRODUCT_NAME, "HP Envy") }, NULL},
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+
{
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+
set_early_pdc_optin, "HP Pavilion dv6", {
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+
DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"),
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+
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv6") }, NULL},
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+
{
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+
set_early_pdc_optin, "HP Pavilion dv7", {
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+
DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"),
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+
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv7") }, NULL},
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+
{},
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+
};
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+
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static acpi_status
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early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
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{
···
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* should not use mwait for CPU-states.
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*/
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dmi_check_system(processor_idle_dmi_table);
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+
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+
/*
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+
* Allow systems to opt-in to early _PDC evaluation.
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+
*/
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+
dmi_check_system(early_pdc_optin_table);
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+
if (!early_pdc_optin)
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+
return;
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acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
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ACPI_UINT32_MAX,