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ACPICA: Re-implement interpreters' "serialized mode"

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Enhanced the implementation of the interpreters'
serialized mode (boot with "acpi_serialize" to set
acpi_glb_all_methods_serialized flag.)
When this mode is specified, instead of creating a serialization
semaphore per control method, the interpreter lock is
simply no longer released before a blocking operation
during control method execution. This effectively makes
the AML Interpreter single-threaded. The overhead of a
semaphore per-method is eliminated.

Signed-off-by: Alexey Starikovskiy <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Bob Moore 2007-02-02 19:48:20 +03:00 • committed by Len Brown
commit 1ba753acb3
9 changed files with 114 additions and 85 deletions
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6
include/acpi/acinterp.h
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@ -445,10 +445,14 @@ acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
/*
* exutils - interpreter/scanner utilities
*/
acpi_status acpi_ex_enter_interpreter(void);
void acpi_ex_enter_interpreter(void);
void acpi_ex_exit_interpreter(void);
void acpi_ex_reacquire_interpreter(void);
void acpi_ex_relinquish_interpreter(void);
void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
u8 acpi_ex_acquire_global_lock(u32 rule);