From nobody Mon Apr 6 23:10:14 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C76633A7F47; Tue, 17 Mar 2026 22:51:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773787892; cv=none; b=WMXA7yfz9WzDq8H6IjnntmRdDfpZNvoNxLCws+bvTJLBb/YMta9TFp3RQ7KoooOnwjbtyjgkNvhdNGxZkm3DwQkr36XeKnksrF6P8z+SyVf2f8+mJxdtTN9cViRG3vYr3qFf6MNKaeKme9ZukTB4uCXbCMuZAA+DzKoiRlldLvY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773787892; c=relaxed/simple; bh=sgRjFM7xWFg9L5n1fihixm+C5Qbm0Ax6cGt49J083JI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sftcsAuwLhxDzZvYTCV47E1GR1qRszm9l5+TKEL7Gwsr6y8le/scrLtMdxS0N2/Pj5dul/aEpW0eiP7C3jcwJJEFE5opaIJb/iC27XmI6XNL/gwZ0FAQuks7DnCmJoCeM2jujwjPsrZGOYOFruJbrtha+2moQCeLQWT13JVXT5E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k/glGm01; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="k/glGm01" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D2F0C2BCB3; Tue, 17 Mar 2026 22:51:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773787892; bh=sgRjFM7xWFg9L5n1fihixm+C5Qbm0Ax6cGt49J083JI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=k/glGm01cZOY8IhazlamaSFb++2gB16akWLwpdr+xDiQlDwhFBMGEU+K/8zBRuBlC E3nJxjLBpP4w9TPa2qn0+fQbZdGcp+F/8gAq9AGPW60tQaMAONlVXt/uBSXnmlXS+L tkPS3KC48AHcJwsfN1+2IhpieaQv8xJN3jDq6D47+DEYYYnVtemNLlENMmwtTN8mTr uYpB+UFZ9H2OEZrWlCtfUYzDP8txjmPEzdJgFLb1mAcJgyU56qpNRmHCFgWI4b9kBH qP2VJq8c4xLG6iEn9WyvagAuVOJ3K+GnjBxedvNJgtm3e9xgDIhRdvuATTHneM+y/i kJNmpFfWVDzqw== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, Peter Zijlstra , Joe Lawrence , Song Liu , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, Mark Rutland , Nathan Chancellor , Nicolas Schier , Herbert Xu Subject: [PATCH v2 01/12] arm64: Annotate intra-function calls Date: Tue, 17 Mar 2026 15:51:01 -0700 Message-ID: <3a9decf6cc0ad8ae707c3b4df814b92b3e7f85d8.1773787568.git.jpoimboe@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In preparation for enabling objtool on arm64, annotate intra-function calls. Acked-by: Song Liu Signed-off-by: Josh Poimboeuf --- arch/arm64/kernel/entry.S | 2 ++ arch/arm64/kernel/proton-pack.c | 12 +++++++----- 2 files changed, 9 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index f8018b5c1f9a..cf808bb2abc0 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -10,6 +10,7 @@ #include #include #include +#include =20 #include #include @@ -707,6 +708,7 @@ alternative_else_nop_endif * entry onto the return stack and using a RET instruction to * enter the full-fat kernel vectors. */ + ANNOTATE_INTRA_FUNCTION_CALL bl 2f b . 2: diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pac= k.c index b3801f532b10..b63887a1b823 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -24,6 +24,7 @@ #include #include #include +#include =20 #include #include @@ -245,11 +246,12 @@ static noinstr void qcom_link_stack_sanitisation(void) { u64 tmp; =20 - asm volatile("mov %0, x30 \n" - ".rept 16 \n" - "bl . + 4 \n" - ".endr \n" - "mov x30, %0 \n" + asm volatile("mov %0, x30 \n" + ".rept 16 \n" + ANNOTATE_INTRA_FUNCTION_CALL " \n" + "bl . + 4 \n" + ".endr \n" + "mov x30, %0 \n" : "=3D&r" (tmp)); } =20 --=20 2.53.0