Messages in this thread Patch in this message | | | Date | Mon, 21 Jun 2021 13:12:36 +0200 | From | Peter Zijlstra <> | Subject | [PATCH 03/18] x86/xen: Fix noinstr fail in exc_xen_unknown_trap() |
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vmlinux.o: warning: objtool: exc_xen_unknown_trap()+0x7: call to printk() leaves .noinstr.text section
Fixes: 2e92493637a0 ("x86/xen: avoid warning in Xen pv guest with CONFIG_AMD_MEM_ENCRYPT enabled") Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- arch/x86/xen/enlighten_pv.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -592,8 +592,10 @@ DEFINE_IDTENTRY_RAW(xenpv_exc_debug) DEFINE_IDTENTRY_RAW(exc_xen_unknown_trap) { /* This should never happen and there is no way to handle it. */ + instrumentation_begin(); pr_err("Unknown trap in Xen PV mode."); BUG(); + instrumentation_end(); } #ifdef CONFIG_X86_MCE
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