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| author |   Lin Ming <ming.m.lin@intel.com> | 2010-04-01 11:14:12 +0800 |
|---|---|---|
| committer |   Len Brown <len.brown@intel.com> | 2010-04-20 10:43:16 -0400 |
| commit | 69ec87efa815d69140423014bb5f91e034faac22 (patch) | |
| tree | 4619ef009c68e1061c41e6081b7967da67974970 /drivers/acpi/acpica/acglobal.h | |
| parent | ACPICA: Add detection of corrupted/replaced DSDT (diff) | |
| download | linux-dev-69ec87efa815d69140423014bb5f91e034faac22.tar.xz linux-dev-69ec87efa815d69140423014bb5f91e034faac22.zip | |
ACPICA: Add subsystem option to force copy of DSDT to local memory
Optionally copy the entire DSDT to local memory (instead of
simply mapping it.) There are some BIOSs that corrupt or replace
the original DSDT, creating the need for this option. Default is
FALSE, do not copy the DSDT.
https://bugzilla.kernel.org/show_bug.cgi?id=14679
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/acglobal.h')
| -rw-r--r-- | drivers/acpi/acpica/acglobal.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index a419fe98a5fc..e3813d290b4f 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -117,6 +117,14 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE); */ u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE); +/* + * Optionally copy the entire DSDT to local memory (instead of simply + * mapping it.) There are some BIOSs that corrupt or replace the original + * DSDT, creating the need for this option. Default is FALSE, do not copy + * the DSDT. + */ +u8 ACPI_INIT_GLOBAL(acpi_gbl_copy_dsdt_locally, FALSE); + /* acpi_gbl_FADT is a local copy of the FADT, converted to a common format. */ struct acpi_table_fadt acpi_gbl_FADT; |