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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C84C9C38142 for ; Tue, 31 Jan 2023 16:29:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229742AbjAaQ27 (ORCPT ); Tue, 31 Jan 2023 11:28:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230340AbjAaQ2r (ORCPT ); Tue, 31 Jan 2023 11:28:47 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E26CD537; Tue, 31 Jan 2023 08:28:30 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 27AA56136F; Tue, 31 Jan 2023 16:28:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37F21C433EF; Tue, 31 Jan 2023 16:28:28 +0000 (UTC) From: Catalin Marinas To: Will Deacon , Shuah Khan , Mark Brown Cc: linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] kselftest/arm64: Limit the maximum VL we try to set via ptrace Date: Tue, 31 Jan 2023 16:28:25 +0000 Message-Id: <167518250322.582901.15647652127648162465.b4-ty@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230111-arm64-kselftest-ptrace-max-vl-v1-1-8167f41d1ad8@kernel.org> References: <20230111-arm64-kselftest-ptrace-max-vl-v1-1-8167f41d1ad8@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 11 Jan 2023 15:02:41 +0000, Mark Brown wrote: > When SVE was initially merged we chose to export the maximum VQ in the ABI > as being 512, rather more than the architecturally supported maximum of 16. > For the ptrace tests this results in us generating a lot of test cases and > hence log output which are redundant since a system couldn't possibly > support them. Instead only check values up to the current architectural > limit, plus one more so that we're covering the constraining of higher > vector lengths. > > [...] Applied to arm64 (for-next/kselftest), thanks! [1/1] kselftest/arm64: Limit the maximum VL we try to set via ptrace https://git.kernel.org/arm64/c/89ff30b9b720 -- Catalin