[PATCH v3 15/28] x86/xen: Ignore noreturn status of weak mem_map_via_hcall()

Unlike the non-weak version, the weak version of mem_map_via_hcall()
doesn't return.  Tell objtool to ignore that, as the protoype (and the
non-weak version) aren't noreturn so its callers can't assume it.

Reported-by: kernel test robot <redacted>
Closes: https://lore.kernel.org/oe-kbuild-all/202608280214.c28GlIx6-lkp@intel.com/ (local)
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
 arch/x86/platform/pvh/enlighten.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/platform/pvh/enlighten.c b/arch/x86/platform/pvh/enlighten.c
index f2053cbe9b0ce..9f227f06cbaf5 100644
--- a/arch/x86/platform/pvh/enlighten.c
+++ b/arch/x86/platform/pvh/enlighten.c

@@ -37,6 +37,7 @@ void __init __weak mem_map_via_hcall(struct boot_params *ptr __maybe_unused)
 	xen_raw_printk("Error: Could not find memory map\n");
 	BUG();
 }
+ANNOTATE_IGNORE_NORETURN(mem_map_via_hcall);
 
 static void __init init_pvh_bootparams(bool xen_guest)
 {

-- 
2.55.0