From: Ian Campbell <ian.campbell@xensource.com>
Date: Thu, 2 Nov 2006 11:56:26 +0000 (+0000)
Subject: PV-on-HVM: Fix PV-on-HVM drivers for IA64.
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=d8656aaa3e9c089e3fb49a8bcd5ecccc1d6ce1eb;p=xen.git

PV-on-HVM: Fix PV-on-HVM drivers for IA64.

Thanks to Kasai Takanori and Doi Tsunehisa for testing.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
---

diff --git a/linux-2.6-xen-sparse/arch/ia64/xen/xencomm.c b/linux-2.6-xen-sparse/arch/ia64/xen/xencomm.c
index 3767e893fc..367b6b32de 100644
--- a/linux-2.6-xen-sparse/arch/ia64/xen/xencomm.c
+++ b/linux-2.6-xen-sparse/arch/ia64/xen/xencomm.c
@@ -20,6 +20,11 @@
 #include <linux/mm.h>
 #include <xen/interface/xen.h>
 #include <asm/page.h>
+
+#ifdef HAVE_XEN_PLATFORM_COMPAT_H
+#include <xen/platform-compat.h>
+#endif
+
 #include <asm/xen/xencomm.h>
 
 static int xencomm_debug = 0;
diff --git a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_comms.c b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_comms.c
index ea8f3c283e..f0e42ba715 100644
--- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_comms.c
+++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_comms.c
@@ -30,13 +30,16 @@
  * IN THE SOFTWARE.
  */
 
-#include <asm/hypervisor.h>
-#include <xen/evtchn.h>
 #include <linux/wait.h>
 #include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/err.h>
+#include <linux/ptrace.h>
+#include <xen/evtchn.h>
 #include <xen/xenbus.h>
+
+#include <asm/hypervisor.h>
+
 #include "xenbus_comms.h"
 
 #ifdef HAVE_XEN_PLATFORM_COMPAT_H
diff --git a/linux-2.6-xen-sparse/include/asm-ia64/hypercall.h b/linux-2.6-xen-sparse/include/asm-ia64/hypercall.h
index 43f88b1930..7a522be483 100644
--- a/linux-2.6-xen-sparse/include/asm-ia64/hypercall.h
+++ b/linux-2.6-xen-sparse/include/asm-ia64/hypercall.h
@@ -283,6 +283,9 @@ static inline void exit_idle(void) {}
 #ifdef CONFIG_XEN
 #include <asm/xen/privop.h>
 #endif /* CONFIG_XEN */
+#ifdef HAVE_XEN_PLATFORM_COMPAT_H
+#include <xen/platform-compat.h>
+#endif
 
 static inline unsigned long
 __HYPERVISOR_ioremap(unsigned long ioaddr, unsigned long size)
diff --git a/unmodified_drivers/linux-2.6/compat-include/asm-generic/pgtable-nopud.h b/unmodified_drivers/linux-2.6/compat-include/asm-generic/pgtable-nopud.h
index 8b23299dd0..05c9675760 100644
--- a/unmodified_drivers/linux-2.6/compat-include/asm-generic/pgtable-nopud.h
+++ b/unmodified_drivers/linux-2.6/compat-include/asm-generic/pgtable-nopud.h
@@ -9,6 +9,7 @@
 #define pud_offset(d, va)     d
 #define pud_none(pud)         0
 #define pud_present(pud)      1
+#define pud_bad(pud)          0
 #define PTRS_PER_PUD          1
 
 #endif /* _PGTABLE_NOPUD_H */
diff --git a/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h b/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h
index 4978c63610..ea0e6b308f 100644
--- a/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h
+++ b/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h
@@ -25,6 +25,21 @@
 #define NET_IP_ALIGN 0
 #endif
 
+#if defined(_LINUX_ERR_H) && !defined(IS_ERR_VALUE)
+#define IS_ERR_VALUE(x) unlikely((x) > (unsigned long)-1000L)
+#endif
+
+#if defined(_ASM_IA64_PGTABLE_H) && !defined(_PGTABLE_NOPUD_H)
+#include <asm-generic/pgtable-nopud.h>
+#endif
+
+/* Some kernels have this typedef backported so we cannot reliably
+ * detect based on version number, hence we forcibly #define it.
+ */
+#if defined(__LINUX_TYPES_H) || defined(__LINUX_GFP_H)
+#define gfp_t unsigned
+#endif
+
 #if defined(_LINUX_FS_H) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
 #define nonseekable_open(inode, filp) /* Nothing to do */
 #endif