From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 248EECD37AC for ; Wed, 13 May 2026 03:34:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=v7jHkATK0ZLZ/JtNRitDrZjkJGyPUVshYo0TAfRZu58=; b=jJdvEMNYmk/u9SzvfIHX8pr4rJ NiyY/cSRR924cDAU54cO2WPYQvNqNF3p4p4bena+qoEYjzAKiw8Lt4Wmm7FDnMDL9NowArU0IpVoH XIxA+tIIf2fvGbxo8A4q3P1Rv9808dJbgfnEWq/m10pdzpp2Aj2bPsjMEQr5AwkWi+5wy60RaaL2L lcMiHwSMrj+S+SMa4YGm6H9km/5Z9KlYcE9bEHguLYUfsde9jGiyerPpXuMjBNplRzObECnGrerSU eXoY7Gn2xFDVENuKwVuykoJhw59BQYViUm0qgZVMRYFY2My4R3FzZoQuaSV5LU2lZ34Fc9FGY+UEx GiJX6Sqw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wN0Mr-000000013lt-1Z0c; Wed, 13 May 2026 03:34:41 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wN0Mk-000000013ed-2Mes for linux-arm-kernel@lists.infradead.org; Wed, 13 May 2026 03:34:35 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6CE1244463; Wed, 13 May 2026 03:34:33 +0000 (UTC) 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: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260512_203434_623460_9DAB33E3 X-CRM114-Status: UNSURE ( 8.94 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5507CCD37B6 for ; Wed, 13 May 2026 03:49:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=v7jHkATK0ZLZ/JtNRitDrZjkJGyPUVshYo0TAfRZu58=; b=bv6CVLpFuYJ1EO8YMaHJo0Iloz joG+w1h4Gf+y2o/f3ZpLHGb2bby5YDSNw3IKYtlyvshFGMl3fmRi1vezCjDWiv9vfBKVECyDpVCs5 dJAKAC5V56JTNZqShSAF5OryShgJtr+BMPM6lMWYeDUEyvZ8lPlJsfuG3Xdd4tIUQcnDGwTGU5hP4 ylV5awgTNsa/MUcsfJHbqyhDQwGMNNjD0IwcRPrEke7qvQE8HKM+VKUQxhaodvun2un0D3ubx7Kec JVm6c0eqNnJXHtBEs4mRQ7jc399yKBaJkz1Yg9QyXw31zxag25BU5j+xO6ePkgZ/WjCF97GvfEKCO OXeKlmkQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wN0Nh-000000014ym-2o8Y; Wed, 13 May 2026 03:35:33 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wN0My-000000013xw-0iou for linux-arm-kernel@lists.infradead.org; Wed, 13 May 2026 03:34:51 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id D677744512; Wed, 13 May 2026 03:34:47 +0000 (UTC) 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: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260512_203448_230171_9627B6CF X-CRM114-Status: UNSURE ( 8.94 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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