Commit 847d9317 authored Jun 24, 2021 by Peter Zijlstra

x86/xen: Mark xen_force_evtchn_callback() noinstr

vmlinux.o: warning: objtool: check_events()+0xd: call to xen_force_evtchn_callback() leaves .noinstr.text section

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20210624095148.996055323@infradead.org

parent 09c41307

arch/x86/include/asm/xen/hypercall.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -358,7 +358,7 @@ HYPERVISOR_event_channel_op(int cmd, void *arg)
		return _hypercall2(int, event_channel_op, cmd, arg);
		}

		static inline int
		static __always_inline int
		HYPERVISOR_xen_version(int cmd, void *arg)
		{
		return _hypercall2(int, xen_version, cmd, arg);

arch/x86/xen/irq.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -19,7 +19,7 @@
		* callback mask. We do this in a very simple manner, by making a call
		* down into Xen. The pending flag will be checked by Xen on return.
		*/
		void xen_force_evtchn_callback(void)
		noinstr void xen_force_evtchn_callback(void)
		{
		(void)HYPERVISOR_xen_version(0, NULL);
		}