Merge branch 'linus' into core/objtool, to pick up dependent fixes

[mirror_ubuntu-bionic-kernel.git] / arch / x86 / xen / xen-head.S

diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index a7525e95d53fe9d35ce31349d6fb45dc112f9418..497cc55a0c16cccbe64f0a17e2518a6337e7d4e8 100644 (file)
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Xen-specific pieces of head.S, intended to be included in the right
        place in head.S */
 
@@ -9,6 +10,7 @@
 #include <asm/boot.h>
 #include <asm/asm.h>
 #include <asm/page_types.h>
+#include <asm/unwind_hints.h>
 
 #include <xen/interface/elfnote.h>
 #include <xen/interface/features.h>
@@ -19,6 +21,7 @@
 #ifdef CONFIG_XEN_PV
        __INIT
 ENTRY(startup_xen)
+       UNWIND_HINT_EMPTY
        cld
 
        /* Clear .bss */
@@ -33,21 +36,24 @@ ENTRY(startup_xen)
        mov $init_thread_union+THREAD_SIZE, %_ASM_SP
 
        jmp xen_start_kernel
-
+END(startup_xen)
        __FINIT
 #endif
 
 .pushsection .text
        .balign PAGE_SIZE
 ENTRY(hypercall_page)
-       .skip PAGE_SIZE
+       .rept (PAGE_SIZE / 32)
+               UNWIND_HINT_EMPTY
+               .skip 32
+       .endr
 
 #define HYPERCALL(n) \
        .equ xen_hypercall_##n, hypercall_page + __HYPERVISOR_##n * 32; \
        .type xen_hypercall_##n, @function; .size xen_hypercall_##n, 32
 #include <asm/xen-hypercalls.h>
 #undef HYPERCALL
-
+END(hypercall_page)
 .popsection
 
        ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS,       .asciz "linux")