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 CEC83383990; Sat, 8 Aug 2026 23:18:18 +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=1786231100; cv=none; b=d+V7wpKNWOrtT7XyBYtifYnzfn98yMOk/ueEP73ocqQlHFbYE0CB//E0BGnnY0LYDj6A1mdwFRY19YWV3wuzRtWBT6oZxCc06GiWa91bCX67QvUYhznkjRGywXS9WwF9MNfpZTXTYSXSstXeRP92Jxu4+O7g/wxYPgvvhCAWbLE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786231100; c=relaxed/simple; bh=gbz/DYxJ/sJCXTm/JVO6OX9wG85Wy1PEbplpxSUYjOc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DARLzzayJuaisV0T1yKOUpnusl/VQtjW8+6940AwF3mqont7h6pYpw2OkVTK9NyZ/ACJT+A/bUhM8I3UTz5bkXv04erCTNQT5F0WDNlcQS6SMKAKI/66P8Q6trNuHxjap2FgO5Bo3d89QgGA0ZOrQ9K7fBIq1yg4Fju++cdEWSM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XCMIUlLz; 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="XCMIUlLz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3FF811F000E9; Sat, 8 Aug 2026 23:18:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786231098; bh=y5jStvRxXhCnYlnJabnKzeT9J7k+pNzNQ0SCW4VdeUI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=XCMIUlLz1Asek+LxJ+kcAPQ6aq74uNQTDC9q7nEcsLt4tESEewgyodt0rxoHbpRaX FrQ1rIUO/vnDlvHSkB3WkFQNsQT4xiTFwUh5bnF7mllDKg0mlRJaDsHt8akX2JAi+1 XbgnFgT1g6n9lKmWWGFW5+3tgA1o0/N8uW4mjpxcQuDEn4zmLY0RCgV0AfFsPr4/Y1 1g3psKhadx5/uzRuwmotee6vMKfzEBBaPfQsofTjxWP3o3R2tcOoFkMdtgL4H4Wp3C fg3DfurXXgY5fn95vjXz8FjZ899AtqA48aTQBHwgXRWMndnqxjJ88lr57mvuzTjRdI PVHSCEx8UURFw== 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 , Miroslav Benes , Petr Mladek Subject: [PATCH v4 03/22] arm64: Annotate intra-function calls Date: Sat, 8 Aug 2026 16:17:07 -0700 Message-ID: X-Mailer: git-send-email 2.54.0 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: 8bit In preparation for enabling objtool on arm64, annotate intra-function calls. Acked-by: Song Liu Reviewed-by: Miroslav Benes 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 e0db14e9c843a..d4cbdfb23d733 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -10,6 +10,7 @@ #include #include #include +#include #include #include @@ -705,6 +706,7 @@ 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-pack.c index 7bb6553fec087..3737190ce36ec 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -246,11 +247,12 @@ static noinstr void qcom_link_stack_sanitisation(void) { u64 tmp; - 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" : "=&r" (tmp)); } -- 2.54.0