From 84e60065df9ef03759115a7e48c04bbc0d292165 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Mon, 21 Jun 2021 13:12:35 +0200 Subject: x86/xen: Fix noinstr fail in xen_pv_evtchn_do_upcall() Fix: vmlinux.o: warning: objtool: xen_pv_evtchn_do_upcall()+0x23: call to irq_enter_rcu() leaves .noinstr.text section Fixes: 359f01d1816f ("x86/entry: Use run_sysvec_on_irqstack_cond() for XEN upcall") Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Link: https://lore.kernel.org/r/20210621120120.532960208@infradead.org --- arch/x86/entry/common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/x86') diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index a6bf516257ec..04bce95bc7e3 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -269,15 +269,16 @@ __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs) irqentry_state_t state = irqentry_enter(regs); bool inhcall; + instrumentation_begin(); run_sysvec_on_irqstack_cond(__xen_pv_evtchn_do_upcall, regs); inhcall = get_and_clear_inhcall(); if (inhcall && !WARN_ON_ONCE(state.exit_rcu)) { - instrumentation_begin(); irqentry_exit_cond_resched(); instrumentation_end(); restore_inhcall(inhcall); } else { + instrumentation_end(); irqentry_exit(regs, state); } } -- cgit v1.2.3