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| author | Bob Moore <robert.moore@intel.com> | 2007-02-02 19:48:20 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-02-02 21:14:24 -0500 |
| commit | 1ba753acb372c2955a4843302e92e49ce82e2fea (patch) | |
| tree | 13dbe3af585f835c7d9cdf41fae505a7df4e8620 /drivers/acpi/executer/excreate.c | |
| parent | 95befdb398e0112ede80529f6770644ecfa5a82e (diff) | |
| download | kernel_samsung_aries-1ba753acb372c2955a4843302e92e49ce82e2fea.zip kernel_samsung_aries-1ba753acb372c2955a4843302e92e49ce82e2fea.tar.gz kernel_samsung_aries-1ba753acb372c2955a4843302e92e49ce82e2fea.tar.bz2 | |
ACPICA: Re-implement interpreters' "serialized mode"
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 <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/executer/excreate.c')
| -rw-r--r-- | drivers/acpi/executer/excreate.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c index a4d29b2..c665aa7 100644 --- a/drivers/acpi/executer/excreate.c +++ b/drivers/acpi/executer/excreate.c @@ -583,10 +583,7 @@ acpi_ex_create_method(u8 * aml_start, * Get the sync_level. If method is serialized, a mutex will be * created for this method when it is parsed. */ - if (acpi_gbl_all_methods_serialized) { - obj_desc->method.sync_level = 0; - obj_desc->method.method_flags |= AML_METHOD_SERIALIZED; - } else if (method_flags & AML_METHOD_SERIALIZED) { + if (method_flags & AML_METHOD_SERIALIZED) { /* * ACPI 1.0: sync_level = 0 * ACPI 2.0: sync_level = sync_level in method declaration |