[Xen-devel] [PATCH 05/17] x86: make x86_64/traps.c build with !CONFIG_PV

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Provide declarations for hypercall_page_initialise_ring*_kernel, make
sure DCE work as expected.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/arch/x86/x86_64/traps.c     | 6 ++++--
 xen/include/asm-x86/hypercall.h | 3 ++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/x86_64/traps.c b/xen/arch/x86/x86_64/traps.c
index afe539f..27154f2 100644
--- a/xen/arch/x86/x86_64/traps.c
+++ b/xen/arch/x86/x86_64/traps.c
@@ -354,10 +354,12 @@ void hypercall_page_initialise(struct domain *d, void 
*hypercall_page)
     memset(hypercall_page, 0xCC, PAGE_SIZE);
     if ( is_hvm_domain(d) )
         hvm_hypercall_page_initialise(d, hypercall_page);
-    else if ( !is_pv_32bit_domain(d) )
+    else if ( is_pv_64bit_domain(d) )
         hypercall_page_initialise_ring3_kernel(hypercall_page);
-    else
+    else if ( is_pv_32bit_domain(d) )
         hypercall_page_initialise_ring1_kernel(hypercall_page);
+    else
+        ASSERT_UNREACHABLE();
 }
 
 /*
diff --git a/xen/include/asm-x86/hypercall.h b/xen/include/asm-x86/hypercall.h
index da38b79..7f302ec 100644
--- a/xen/include/asm-x86/hypercall.h
+++ b/xen/include/asm-x86/hypercall.h
@@ -28,9 +28,10 @@ extern const hypercall_args_t 
hypercall_args_table[NR_hypercalls];
 #ifdef CONFIG_PV
 extern const hypercall_table_t pv_hypercall_table[];
 void pv_hypercall(struct cpu_user_regs *regs);
+#endif
+
 void hypercall_page_initialise_ring3_kernel(void *hypercall_page);
 void hypercall_page_initialise_ring1_kernel(void *hypercall_page);
-#endif
 
 /*
  * Both do_mmuext_op() and do_mmu_update():
-- 
git-series 0.9.1

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