diff --git a/[refs] b/[refs]
index bdc6757fa60a..78fe93734c89 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5825627c9463581fd9e70f8285685889ae5bb9bb
+refs/heads/master: 84bda12af31f930e4200c5244aa111de2485d7b0
diff --git a/trunk/include/linux/libata.h b/trunk/include/linux/libata.h
index fbf064e13ad5..dc18b87ed722 100644
--- a/trunk/include/linux/libata.h
+++ b/trunk/include/linux/libata.h
@@ -751,7 +751,8 @@ struct ata_port {
 	acpi_handle		acpi_handle;
 	struct ata_acpi_gtm	__acpi_init_gtm; /* use ata_acpi_init_gtm() */
 #endif
-	u8			sector_buf[ATA_SECT_SIZE]; /* owned by EH */
+	/* owned by EH */
+	u8			sector_buf[ATA_SECT_SIZE] ____cacheline_aligned;
 };
 
 /* The following initializer overrides a method to NULL whether one of