Make the drivers build properly in a 2.6.27 environment as well as
against a kernel with pv-ops Xen configured on (in the latter case more
work would be needed to also make the drivers work, as there's a large
number of duplicate exports).
Portions from Charles Arnold <carnold@xxxxxxxxxx>.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
Index: 2008-11-20/unmodified_drivers/linux-2.6/balloon/Kbuild
===================================================================
--- 2008-11-20.orig/unmodified_drivers/linux-2.6/balloon/Kbuild 2007-04-05
17:35:34.000000000 +0200
+++ 2008-11-20/unmodified_drivers/linux-2.6/balloon/Kbuild 2008-11-21
10:14:15.000000000 +0100
@@ -4,6 +4,5 @@ obj-m = xen-balloon.o
EXTRA_CFLAGS += -I$(M)/platform-pci
-xen-balloon-objs =
-xen-balloon-objs += balloon.o
-xen-balloon-objs += sysfs.o
+xen-balloon-y := balloon.o sysfs.o
+xen-balloon-$(CONFIG_XEN_SCRUB_PAGES) += scrub.o
Index: 2008-11-20/unmodified_drivers/linux-2.6/mkbuildtree
===================================================================
--- 2008-11-20.orig/unmodified_drivers/linux-2.6/mkbuildtree 2008-02-22
10:04:45.000000000 +0100
+++ 2008-11-20/unmodified_drivers/linux-2.6/mkbuildtree 2008-11-21
10:16:40.000000000 +0100
@@ -53,6 +53,7 @@ i[34567]86|x86_64)
ln -sf ${XL}/include/asm-x86/mach-xen/asm/synch_bitops*.h include/asm
ln -sf ${XL}/include/asm-x86/mach-xen/asm/maddr*.h include/asm
ln -sf ${XL}/include/asm-x86/mach-xen/asm/gnttab_dma.h include/asm
+ ln -sf ${XL}/arch/x86/lib/scrub.c balloon
else
if [ $uname = x86_64 ]; then
mkdir -p include/asm-i386
Index: 2008-11-20/unmodified_drivers/linux-2.6/platform-pci/platform-compat.c
===================================================================
--- 2008-11-20.orig/unmodified_drivers/linux-2.6/platform-pci/platform-compat.c
2007-04-16 09:26:34.000000000 +0200
+++ 2008-11-20/unmodified_drivers/linux-2.6/platform-pci/platform-compat.c
2008-11-21 09:52:00.000000000 +0100
@@ -14,7 +14,11 @@ EXPORT_SYMBOL(system_state);
void ctrl_alt_del(void)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
kill_proc(1, SIGINT, 1); /* interrupt init */
+#else
+ kill_cad_pid(SIGINT, 1);
+#endif
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
Index: 2008-11-20/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c
===================================================================
--- 2008-11-20.orig/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c
2008-10-24 11:21:38.000000000 +0200
+++ 2008-11-20/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c
2008-11-21 09:41:52.000000000 +0100
@@ -34,7 +34,11 @@ static void ap_suspend(void *_info)
atomic_dec(&info->nr_spinning);
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
#define initiate_ap_suspend(i) smp_call_function(ap_suspend, i, 0, 0)
+#else
+#define initiate_ap_suspend(i) smp_call_function(ap_suspend, i, 0)
+#endif
#else /* !defined(CONFIG_SMP) */
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