From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 54645583AC6; Tue, 8 Sep 2026 20:34:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788899677; cv=none; b=cMnMV5FMQPyrS12dQS0UGvMGhcnmPLdq+mkjQHMkSQHjmXNSpSILB1sH4bw3IWDkDX9gJphZelLQVMS1T6nXmbWPg3zHXWhiM4r1t9WEHFfnOdw4VowieX8DMNx/M54IhR1x3OC6WhTSKzZZYZJJlwPyRMAUF4ZRIMvJ0jZwAQY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788899677; c=relaxed/simple; bh=MoxkdQ1PZtbscQc+lhfZEsLtnTOuV5Kr1isBaLFfg/8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ovdp8thz60H6aCLKM4IIemXkRv97IsYgaQ8ZnpIpMQWXNMx/z0dQNBb6LZXKq0NOaSU5I0xVV2C1XFvu4pJ0M84CZ+5uwXj4nZh6qbBfjMMeMG1T2Jd33ZiO0MDsawzVGyzzRRUn1EdnqGgvKM/4DUU4nVblusFV9KXwczi+Oyg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ixOWwXE/; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ixOWwXE/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC7B51F00A3E; Tue, 8 Sep 2026 20:34:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788899676; bh=oMAVVsJ+ySiw/1VP59+j9m215Ku23i+uiwwAe+dcMn8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ixOWwXE/raQf8YJQF8qzjRzz4yZ+nnWs+/eNKosvDLYBD0s/gM/+ymaHI0LcIi3pO cp3Xu+TiIGoi0JpUWQ2KogZ6CAZqhf9Es1PJyNw3G0JgMiI7anoxqx6CHUCzyaHoAP ABxJ0H4NU3vDGiPvMjfEWLqSLPnK7SWmxUvdEs7BAD3TnOL1DVJ045FH0mjXkClkBU 3UFcIsqxQJorNSstWhSbFMv9s9lawWti4K54RlOE4JECtnxzccl6z42qekykJ1NoTN TENVB7H2DHk3ncSx3+S2NuKP2H1tdCicGq6KVNb1KyvvTAf8aPIklWXpK0Iz+6VWD/ qRbW6qKbEPSFQ== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Gary Guo , rust-for-linux@vger.kernel.org, Ard Biesheuvel , Miguel Ojeda , Nathan Chancellor , Nicolas Schier , linux-kbuild@vger.kernel.org, Huacai Chen , kernel test robot Subject: [PATCH v2 15/27] x86/xen: Ignore noreturn status of weak mem_map_via_hcall() Date: Tue, 8 Sep 2026 13:33:27 -0700 Message-ID: <238f5da77d70fb2ae6428c201be9b547479f798d.1788899473.git.jpoimboe@kernel.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 Closes: https://lore.kernel.org/oe-kbuild-all/202608280214.c28GlIx6-lkp@intel.com/ Signed-off-by: Josh Poimboeuf --- 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