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ACPICA: acpiexec: Add testability of deferred table verification

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ACPICA commit 04c28c7549e694ea85f40bcc816039e5fbb4169c

This patch adds testability of deferred table verification mechanism. As
acpiexec uses dynamically allocated root table list from its very early
stage, a change to acpi_reallocate_root_table() is required to allow deferred
table verification mechanism to be triggered in such an environment. Note
that acpi_gbl_enable_table_validation is still TRUE by default, thus:
1. Developers need to manually set acpi_gbl_enable_table_validation to FALSE
   for acpiexec to enable this test.
2. For all other OSPMs (Linux, BSDs, etc.), this commit is a no-op.

Link: https://github.com/acpica/acpica/commit/04c28c7549e6
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng 2017-09-20 10:00:20 +08:00 committed by Rafael J. Wysocki
parent 8381c54fc0
commit 979fba9452
1 changed files with 6 additions and 3 deletions
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9
drivers/acpi/acpica/tbxface.c
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@ -173,10 +173,13 @@ acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void)
ACPI_FUNCTION_TRACE(acpi_reallocate_root_table);
/*
* Only reallocate the root table if the host provided a static buffer
* for the table array in the call to acpi_initialize_tables.
* If there are tables unverified, it is required to reallocate the
* root table list to clean up invalid table entries. Otherwise only
* reallocate the root table list if the host provided a static buffer
* for the table array in the call to acpi_initialize_tables().
*/
if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
if ((acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) &&
acpi_gbl_enable_table_validation) {
return_ACPI_STATUS(AE_SUPPORT);
}