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authorBob Moore <robert.moore@intel.com>2007-02-02 19:48:20 +0300
committerLen Brown <len.brown@intel.com>2007-02-03 05:14:24 +0300
commit1ba753acb372c2955a4843302e92e49ce82e2fea (patch)
tree13dbe3af585f835c7d9cdf41fae505a7df4e8620 /drivers/acpi/tables
parent95befdb398e0112ede80529f6770644ecfa5a82e (diff)
downloadlinux-1ba753acb372c2955a4843302e92e49ce82e2fea.tar.xz
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>
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