Add -xen buildconfig for ia64 and tweak CONFIG_VT setup to avoid

initializing on domUs.  Remove CONFIG_IDE_GENERIC as this is
unnecessary on ia64 systems (no ISA IDE controllers) and causes long
timeouts booting domU.

Signed-off-by: Alex Williamson <alex.williamson@hp.com>

buildconfigs/linux-defconfig_xen0_ia64

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc3-xen0
-# Thu Feb 16 13:20:46 2006
+# Linux kernel version: 2.6.16-xen0
+# Mon Mar 27 14:46:03 2006
 #
 
 #
@@ -95,8 +95,7 @@ CONFIG_ARCH_XEN=y
 CONFIG_XEN_PRIVILEGED_GUEST=y
 CONFIG_XEN_BLKDEV_GRANT=y
 CONFIG_XEN_BLKDEV_FRONTEND=y
-CONFIG_XEN_VT=y
-CONFIG_VT=y
+CONFIG_XEN_BLKDEV_BACKEND=y
 CONFIG_XEN_SYSFS=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_DMA_IS_DMA32=y
@@ -378,7 +377,7 @@ CONFIG_BLK_DEV_IDESCSI=y
 #
 # IDE chipset support/bugfixes
 #
-CONFIG_IDE_GENERIC=y
+# CONFIG_IDE_GENERIC is not set
 CONFIG_BLK_DEV_IDEPCI=y
 # CONFIG_IDEPCI_SHARE_IRQ is not set
 # CONFIG_BLK_DEV_OFFBOARD is not set
@@ -706,6 +705,7 @@ CONFIG_GAMEPORT=y
 #
 # Character devices
 #
+CONFIG_VT=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 CONFIG_SERIAL_NONSTANDARD=y
@@ -1252,11 +1252,7 @@ CONFIG_USB_MON=y
 # CONFIG_INFINIBAND is not set
 
 #
-# SN Devices
-#
-
-#
-# EDAC - error detection and reporting (RAS)
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
 #
 
 #

buildconfigs/linux-defconfig_xenU_ia64

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc3-xenU
-# Thu Feb 16 13:47:59 2006
+# Linux kernel version: 2.6.16-xenU
+# Mon Mar 27 14:01:13 2006
 #
 
 #
@@ -92,8 +92,7 @@ CONFIG_ARCH_XEN=y
 CONFIG_XEN_PRIVILEGED_GUEST=y
 CONFIG_XEN_BLKDEV_GRANT=y
 CONFIG_XEN_BLKDEV_FRONTEND=y
-# CONFIG_XEN_VT is not set
-# CONFIG_VT is not set
+CONFIG_XEN_BLKDEV_BACKEND=y
 CONFIG_XEN_SYSFS=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_DMA_IS_DMA32=y
@@ -607,6 +606,9 @@ CONFIG_SERIO=y
 #
 # Character devices
 #
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -864,6 +866,13 @@ CONFIG_FB_RADEON_DEBUG=y
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_VIRTUAL is not set
 
+#
+# Console display driver support
+#
+CONFIG_VGA_CONSOLE=y
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+
 #
 # Logo configuration
 #
@@ -1122,11 +1131,7 @@ CONFIG_USB_MON=y
 # CONFIG_INFINIBAND is not set
 
 #
-# SN Devices
-#
-
-#
-# EDAC - error detection and reporting (RAS)
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
 #
 
 #

linux-2.6-xen-sparse/arch/ia64/Kconfig

@@ -84,19 +84,6 @@ config XEN_BLKDEV_BACKEND
 	bool
 	default y
 
-config XEN_VT
-	bool "Override for turning on CONFIG_VT for domU"
-	default y
-	help
-	  Hack to turn off CONFIG_VT for domU
-
-config VT
-	bool
-	default y if XEN && XEN_VT
-	default n if XEN && !XEN_VT
-	help
-	  Hack to turn off CONFIG_VT for domU
-
 config XEN_SYSFS
 	bool "Export Xen attributes in sysfs"
 	depends on XEN && SYSFS

linux-2.6-xen-sparse/arch/ia64/kernel/setup.c

@@ -506,6 +506,22 @@ setup_arch (char **cmdline_p)
 			conswitchp = &vga_con;
 # endif
 	}
+#ifdef CONFIG_XEN
+	if (running_on_xen) {
+		extern shared_info_t *HYPERVISOR_shared_info;
+
+		/* xen_start_info isn't setup yet, get the flags manually */
+		if (HYPERVISOR_shared_info->arch.flags & SIF_INITDOMAIN) {
+			if (!(HYPERVISOR_shared_info->arch.flags & SIF_PRIVILEGED))
+				panic("Xen granted us console access "
+				      "but not privileged status");
+		} else {
+			extern int console_use_vt;
+			conswitchp = NULL;
+			console_use_vt = 0;
+		}
+	}
+#endif
 #endif
 
 	/* enable IA-64 Machine Check Abort Handling unless disabled */