From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-188.mta0.migadu.com (out-188.mta0.migadu.com [91.218.175.188]) (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 CF8FA2D2397 for ; Sun, 7 Jun 2026 15:18:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.188 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780845532; cv=none; b=OubztHtPtnhthLPxoTLsqSzFz+YKC7caQHTs8QN+WGKjD3UIDN2cTXHsAbDVY+iBvWkRzPZcItWrbubhxnkEnTsVUXH+m25iR7nnDgtz1nMUBbVkxBTw2cvAAcS81vh5M5f6jV3NfLuj9fC9fQB8Hc1SBdOLi9hzjVwrYBUA1p8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780845532; c=relaxed/simple; bh=rHECXCEW8xWVS/Yest4w8oz1GJgdRW8jNbhEpHbgujA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qxKOYnsNnJvtVsJTI04pk3xxdaqnc2IT+T7syyP4m4xgSm7L8oFWuWdYUR1DKib9RI2SckGXAkmzvE2XRPhsLANr+kUwOVd++OYGMLFQ70cNVEbfhH8CoMtg+nyFYsHjJrfEj6gjJLXj5dn1NYOsWlJZekRG1MAa9LNgQRBUjjU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=ihExTOWc; arc=none smtp.client-ip=91.218.175.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="ihExTOWc" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1780845524; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=x1Q5oRNAeFDnB5QhTx9pvk1aNFFzW3nQLKiFuG72XZQ=; b=ihExTOWchc5o/4OJHNzRNSwbzAy7oD7bDCP+5P37mcBIF8aAFMq850JjoL88zjwFVfubaU 57b0iyp0S7WU9dmiBF0JViiW63Clff9gcxzD+5jJcw3iBax/0ClZrEaIqA3JM8W/Wu3ZyA 0zx/c7GvbArfWzix57m0iYPDoWfWFWc= From: Thorsten Blum To: Andy Lutomirski , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andrew Morton , Jonathan Corbet , Shuah Khan , Randy Dunlap Cc: x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Thorsten Blum Subject: [PATCH 3/3] Documentation/arch/x86: remove obsolete vdso32=2 compatibility note Date: Sun, 7 Jun 2026 17:16:18 +0200 Message-ID: <20260607151614.79567-8-thorsten.blum@linux.dev> In-Reply-To: <20260607151614.79567-5-thorsten.blum@linux.dev> References: <20260607151614.79567-5-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1420; i=thorsten.blum@linux.dev; h=from:subject; bh=rHECXCEW8xWVS/Yest4w8oz1GJgdRW8jNbhEpHbgujA=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDFmq3R6P7Ta/Wfu0TWwuS/AH+c/hHar7O789UxJmu5p21 /7VLcPPHSUsDGJcDLJiiiwPZv2Y4VtaU7nJJGInzBxWJpAhDFycAjCRBVcZ/hn8CuCK3rh30+vG KXJ9Iu+qdx63Wyrus7bh5s+JwivZniYx/JhzWaM1Y2VCjWLCFdsFjD5On//d6dM6M2OGn1746d8 GbAA= X-Developer-Key: i=thorsten.blum@linux.dev; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Commit b0b49f2673f0 ("x86, vdso: Remove compat vdso support") removed compat vDSO support and documented vdso32=2 as an alias for vdso32=0. However, since commit c06989da39cd ("x86/vdso: Ensure vdso32_enabled gets set to valid values only"), vdso32_setup() accepts only 0 and 1. Remove the obsolete vdso32=2 compatibility note and document only the supported values. Signed-off-by: Thorsten Blum --- Documentation/admin-guide/kernel-parameters.txt | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 97007f4f69d4..ce1c630d6859 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -8249,15 +8249,12 @@ Kernel parameters vdso32= [X86] Control the 32-bit vDSO vdso32=1: enable 32-bit VDSO - vdso32=0 or vdso32=2: disable 32-bit VDSO + vdso32=0: disable 32-bit VDSO See the help text for CONFIG_COMPAT_VDSO for more details. If CONFIG_COMPAT_VDSO is set, the default is vdso32=0; otherwise, the default is vdso32=1. - For compatibility with older kernels, vdso32=2 is an - alias for vdso32=0. - Try vdso32=0 if you encounter an error that says: dl_main: Assertion `(void *) ph->p_vaddr == _rtld_local._dl_sysinfo_dso' failed!