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authorVitaly Kuznetsov <vkuznets@redhat.com>2017-03-14 18:35:51 +0100
committerJuergen Gross <jgross@suse.com>2017-05-02 11:09:37 +0200
commitc504b2f1061972e1e9f2a3fcbbb1d6fbcce5ed26 (patch)
treebe1624fefadbdaaba4ebb6d62c1fe9c5bd4482bf /arch/x86/xen/xen-head.S
parent50a1062d61a62421f3181ce3e594a330f8a15cff (diff)
downloadlinux-c504b2f1061972e1e9f2a3fcbbb1d6fbcce5ed26.tar.bz2
x86/xen: define startup_xen for XEN PV only
startup_xen references PV-only code, decorate it with #ifdef CONFIG_XEN_PV to make PV-free builds possible. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'arch/x86/xen/xen-head.S')
-rw-r--r--arch/x86/xen/xen-head.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index 37794e42b67d..72a8e6adebe6 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -16,6 +16,7 @@
#include <xen/interface/xen-mca.h>
#include <asm/xen/interface.h>
+#ifdef CONFIG_XEN_PV
__INIT
ENTRY(startup_xen)
cld
@@ -34,6 +35,7 @@ ENTRY(startup_xen)
jmp xen_start_kernel
__FINIT
+#endif
.pushsection .text
.balign PAGE_SIZE
@@ -58,7 +60,9 @@ ENTRY(hypercall_page)
/* Map the p2m table to a 512GB-aligned user address. */
ELFNOTE(Xen, XEN_ELFNOTE_INIT_P2M, .quad PGDIR_SIZE)
#endif
+#ifdef CONFIG_XEN_PV
ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, _ASM_PTR startup_xen)
+#endif
ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, _ASM_PTR hypercall_page)
ELFNOTE(Xen, XEN_ELFNOTE_FEATURES,
.ascii "!writable_page_tables|pae_pgdir_above_4gb")