[PATCH v2 19/24] x86/xen: Make hypercall_page noinstr

Peter Zijlstra
2021-06-24T09:55:09Z

vmlinux.o: warning: objtool: xen_set_debugreg()+0x3: call to hypercall_page() leaves .noinstr.text section
vmlinux.o: warning: objtool: xen_get_debugreg()+0x3: call to hypercall_page() leaves .noinstr.text section
vmlinux.o: warning: objtool: xen_irq_enable()+0x24: call to hypercall_page() leaves .noinstr.text section

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
arch/x86/xen/xen-head.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -64,7 +64,7 @@ SYM_CODE_END(asm_cpu_bringup_and_idle)
#endif
#endif

-.pushsection .text
+.pushsection .noinstr.text, "ax"
.balign PAGE_SIZE
SYM_CODE_START(hypercall_page)
.rept (PAGE_SIZE / 32)