xen: only expose start_info on architectures which have a PV boot path

Most of this struct is PV MMU specific and it is not used on ARM at all.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Jan Beulich <JBeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>

diff --git a/tools/libxc/xenctrl.h b/tools/libxc/xenctrl.h
index 388a9c3d5558ecdc3cbf39e6830e5fcb236a85a6..f2cebafc9ddd4815ffc73fcf9e0d292b1d4c91ff 100644 (file)
--- a/tools/libxc/xenctrl.h
+++ b/tools/libxc/xenctrl.h
@@ -408,15 +408,14 @@ typedef union
     shared_info_t s;
 } shared_info_any_t;
 
+#if defined(__i386__) || defined(__x86_64__)
 typedef union
 {
-#if defined(__i386__) || defined(__x86_64__)
     start_info_x86_64_t x64;
     start_info_x86_32_t x32;
-#endif
     start_info_t s;
 } start_info_any_t;
-
+#endif
 
 int xc_domain_create(xc_interface *xch,
                      uint32_t ssidref,

diff --git a/xen/include/asm-x86/config.h b/xen/include/asm-x86/config.h
index cb7b2e4a05a4709bd5a5d3aa61cf4ca48f69f44a..028b696dfa07e0c92a7ab03ad75a23733f7a0512 100644 (file)
--- a/xen/include/asm-x86/config.h
+++ b/xen/include/asm-x86/config.h
@@ -265,6 +265,7 @@ extern unsigned char boot_edid_info[128];
     (COMPAT_L2_PAGETABLE_LAST_XEN_SLOT - COMPAT_L2_PAGETABLE_FIRST_XEN_SLOT(d) + 1)
 
 #define COMPAT_LEGACY_MAX_VCPUS XEN_LEGACY_MAX_VCPUS
+#define COMPAT_HAVE_PV_GUEST_ENTRY XEN_HAVE_PV_GUEST_ENTRY
 
 #endif
 

diff --git a/xen/include/public/arch-x86/xen.h b/xen/include/public/arch-x86/xen.h
index b7f6a517b91e71dc3bee7e05c4c850804a1a7b0a..7ae8c9048908761aa1700201453e5422801dcd61 100644 (file)
--- a/xen/include/public/arch-x86/xen.h
+++ b/xen/include/public/arch-x86/xen.h
@@ -70,6 +70,8 @@ typedef unsigned long xen_pfn_t;
 #define PRI_xen_pfn "lx"
 #endif
 
+#define XEN_HAVE_PV_GUEST_ENTRY 1
+
 /*
  * `incontents 200 segdesc Segment Descriptor Tables
  */

diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h
index 3cab74f18e1a5ceac2b580b8d4b31559244ffd10..2414e7e3cad51c2cea6f65c891cca4b2cd480513 100644 (file)
--- a/xen/include/public/xen.h
+++ b/xen/include/public/xen.h
@@ -716,7 +716,7 @@ typedef struct shared_info shared_info_t;
  * 32-bit and runs under a 64-bit hypervisor should _NOT_ use two of the
  * pages preceding pt_base and mark them as reserved/unused.
  */
-
+#ifdef XEN_HAVE_PV_GUEST_ENTRY
 #define MAX_GUEST_CMDLINE 1024
 struct start_info {
     /* THE FOLLOWING ARE FILLED IN BOTH ON INITIAL BOOT AND ON RESUME.    */
@@ -756,6 +756,7 @@ typedef struct start_info start_info_t;
 #define console_mfn    console.domU.mfn
 #define console_evtchn console.domU.evtchn
 #endif
+#endif /* XEN_HAVE_PV_GUEST_ENTRY */
 
 /* These flags are passed in the 'flags' field of start_info_t. */
 #define SIF_PRIVILEGED    (1<<0)  /* Is the domain privileged? */