From mboxrd@z Thu Jan 1 00:00:00 1970 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 9049C397E64; Wed, 13 May 2026 03:34:33 +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=1778643273; cv=none; b=pZQ1/P9YOHKLjyspId5ErKPJrK5oTZcSjcNXbti487+xyBKLQeCHqMCFYFpL4gRSlgNMj4sgRI0TbkOweT30UIo0lmQ7YwpPHEVIHRCFUMu1Bad8DC1bj/WcSROxOlx5LjKDlPC3fzbd+4spJQNQDH9ft/K26ZNoYT4H95z04bU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778643273; c=relaxed/simple; bh=n0zIE5QeG6gMOvBsdlMrDubUOuT5GRIBXLzLQUDUXac=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QqQOYR/jictOk7nt36+K/xF6XpA/iJ9jZMmXwOd9bCbfMGE0FEbuVwlEZgDhKX7KmQHyub1jlur0wylYPa9wjLx/87FXPwzNyyr7SnPUESvkWAAIJucaBWnjizOC2GRUZwX67W8UNcPUilgznrhbswN+zm3724LoDquLkUJ6j64= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=chSi84cB; 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="chSi84cB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D78FAC2BCC9; Wed, 13 May 2026 03:34:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778643273; bh=n0zIE5QeG6gMOvBsdlMrDubUOuT5GRIBXLzLQUDUXac=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=chSi84cBSWZQ3vzUL3u89G3N9UkMGoa2rbMgZTL5v+BTF/ePRxDq1c/2s30SEYtJ4 0jzWHcpTEs5Yxrc8YqDY7zEHdLB1cH1x671jbE1KI/2FuAqEs7CC/r/3TUMK0aPRXa kI30DdQbO+kjLzdjIw+L4NSLEl5CyHgRaoQRialBRxHkEOZRoC38+emL1Cg95jAbUW ailUe57izmbwMRjz/ilVClENE2MLHsRdCTq2f/IHOszs+Tjklf2cwdxU9IhDPofhDC 4TWJQCd4ESow0T88WmLujZ3DmnmaPbQ7KrxBMVwUsgeJTQEKxL7yOJ42uhZEAuABlL SbMNTFZeb1byQ== 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 , Miroslav Benes , Petr Mladek Subject: [PATCH v3 05/21] arm64: vdso: Discard .discard.* sections Date: Tue, 12 May 2026 20:33:39 -0700 Message-ID: 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: 8bit In preparation for enabling objtool on arm64, add .discard.* to the vDSO's /DISCARD/ section so objtool annotations don't cause orphan section warnings or leak into the final vDSO binary. Signed-off-by: Josh Poimboeuf --- arch/arm64/kernel/vdso/vdso.lds.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kernel/vdso/vdso.lds.S b/arch/arm64/kernel/vdso/vdso.lds.S index 52314be291912..d5f96fa17e605 100644 --- a/arch/arm64/kernel/vdso/vdso.lds.S +++ b/arch/arm64/kernel/vdso/vdso.lds.S @@ -39,6 +39,7 @@ SECTIONS /DISCARD/ : { *(.note.GNU-stack .note.gnu.property) *(.ARM.attributes) + *(.discard.*) } .note : { *(.note.*) } :text :note -- 2.53.0 From mboxrd@z Thu Jan 1 00:00:00 1970 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 1A6D43AA4E0; Wed, 13 May 2026 03:34:47 +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=1778643290; cv=none; b=lk2JJkOtew9RfcI0A0AajVCT9z7GenclvYp8OTZ275qTpVzBVGefSoL+2j7kF+J8cotZAVIN4d1FuPE6rMXuOXheRjMeNW/9crBy9PcH5tUEcBzJ8zjpCSSbU68jT1rqXvDontLDWroLPv9u+GrMIuW0m1fv2qMB2FJ/H/r1OXY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778643290; c=relaxed/simple; bh=n0zIE5QeG6gMOvBsdlMrDubUOuT5GRIBXLzLQUDUXac=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ITwumW8/YvqzM4aw/ao/4alWSBGaVMQwPGhVrTBQS8Ydf+n8ku3Q2MWkS5qKsY+dASfAFMOZnnCPioJLxy7uaNqVXkTE/7mvoauYPw/LPJv+MVFGPQRRoTdNUGqjJC3nAF8qlSY4OfhwaYMJYIES9t59gcyWX8RSWx6tR5oSaGg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a8hdIHrT; 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="a8hdIHrT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FA04C2BCC7; Wed, 13 May 2026 03:34:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778643287; bh=n0zIE5QeG6gMOvBsdlMrDubUOuT5GRIBXLzLQUDUXac=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a8hdIHrTWDu0YaYDs2Z5CBvbdW+bWitNDdUfJ5nc9Xn1AQUgx3LQYnPbXwkcy6nLl LVBcQM+HUK0uXO1vPwUyZpqwVo6IkIxTL0RvLRNtnV0I00nCR4gNAa5IUz/LDAgzxW RTbdfAASG6K5VPvxaD1pL/RZuuUPwOSMSchZ2XSO/ajEbnpWh0Z8MU2ZZA6AbU5w4/ owoc7kBxF/YjZW4CNNRJ5Vm6JzJFe1B8WbRA8DXdz2ae40gFW5FK9WFSSKlZYybJw/ q8wgBbkT3kr+ncYmriogNmaitJkZoMwjCvXCuuiqP2DqgYVldLvBBkE8Z8Tdq/6Ti0 sqiXm5yyb0Umw== 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 , Miroslav Benes , Petr Mladek Subject: [PATCH v3 05/21] arm64: vdso: Discard .discard.* sections Date: Tue, 12 May 2026 20:34:01 -0700 Message-ID: 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: 8bit Message-ID: <20260513033401.8lkCBPBF7mdJXo4BMnMNLB1XzrJ53jPX9kwBT0fc9bE@z> In preparation for enabling objtool on arm64, add .discard.* to the vDSO's /DISCARD/ section so objtool annotations don't cause orphan section warnings or leak into the final vDSO binary. Signed-off-by: Josh Poimboeuf --- arch/arm64/kernel/vdso/vdso.lds.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kernel/vdso/vdso.lds.S b/arch/arm64/kernel/vdso/vdso.lds.S index 52314be291912..d5f96fa17e605 100644 --- a/arch/arm64/kernel/vdso/vdso.lds.S +++ b/arch/arm64/kernel/vdso/vdso.lds.S @@ -39,6 +39,7 @@ SECTIONS /DISCARD/ : { *(.note.GNU-stack .note.gnu.property) *(.ARM.attributes) + *(.discard.*) } .note : { *(.note.*) } :text :note -- 2.53.0