Edward O'Callaghan (eocallaghan@alterapraxis.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5080
-gerrit
commit f93288f1e342307ed47515a387c0ead3421dcf98 Author: Edward O'Callaghan eocallaghan@alterapraxis.com Date: Wed Jan 29 22:12:52 2014 +1100
asrock/e350m1: Serialize ACPI IDE methods to avoid races.
Fix the remark introduced in ACPICA version 20130517 pertaining to blocking threads within a methods. If another thread attempts to use the method to create the same (named) object twice a race condition will occur. ACPICA BZ 909.
Change-Id: I4bb20c9a75d3d7c89f1dbeb526328eface0fdc0c Signed-off-by: Edward O'Callaghan eocallaghan@alterapraxis.com --- src/mainboard/asrock/e350m1/acpi/ide.asl | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/mainboard/asrock/e350m1/acpi/ide.asl b/src/mainboard/asrock/e350m1/acpi/ide.asl index b3aed9c..4071f85 100644 --- a/src/mainboard/asrock/e350m1/acpi/ide.asl +++ b/src/mainboard/asrock/e350m1/acpi/ide.asl @@ -77,7 +77,7 @@ Method(GTTM, 1) /* get total time*/ Device(PRID) { Name (_ADR, Zero) - Method(_GTM, 0) + Method(_GTM, 0, Serialized) { NAME(OTBF, Buffer(20) { /* out buffer */ 0xFF, 0xFF, 0xFF, 0xFF, @@ -122,7 +122,7 @@ Device(PRID) Return(OTBF) /* out buffer */ } /* End Method(_GTM) */
- Method(_STM, 3, NotSerialized) + Method(_STM, 3, Serialized) { NAME(INBF, Buffer(20) { /* in buffer */ 0xFF, 0xFF, 0xFF, 0xFF, @@ -173,7 +173,7 @@ Device(PRID) Device(MST) { Name(_ADR, 0) - Method(_GTF) { + Method(_GTF, 0, Serialized) { Name(CMBF, Buffer(21) { 0x03, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xEF, 0x03, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xEF, @@ -209,7 +209,7 @@ Device(PRID) Device(SLAV) { Name(_ADR, 1) - Method(_GTF) { + Method(_GTF, 0, Serialized) { Name(CMBF, Buffer(21) { 0x03, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xEF, 0x03, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xEF,