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 mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5550BC433EF for ; Wed, 23 Feb 2022 15:43:12 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id EC0774C609; Wed, 23 Feb 2022 10:43:11 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hZsUXjCNZqjM; Wed, 23 Feb 2022 10:43:10 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 046D54C617; Wed, 23 Feb 2022 10:43:10 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id B3AF74C5E9 for ; Wed, 23 Feb 2022 10:43:08 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8x1VCp3Uk-50 for ; Wed, 23 Feb 2022 10:43:07 -0500 (EST) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 765564B371 for ; Wed, 23 Feb 2022 10:43:07 -0500 (EST) 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 44B24618A8; Wed, 23 Feb 2022 15:43:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6418C340E7; Wed, 23 Feb 2022 15:43:02 +0000 (UTC) Date: Wed, 23 Feb 2022 15:42:58 +0000 From: Catalin Marinas To: Mark Brown Subject: Re: [PATCH v11 32/40] kselftest/arm64: Add tests for TPIDR2 Message-ID: References: <20220207152109.197566-1-broonie@kernel.org> <20220207152109.197566-33-broonie@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220207152109.197566-33-broonie@kernel.org> Cc: Basant Kumar Dwivedi , Will Deacon , Luis Machado , Szabolcs Nagy , Marc Zyngier , Shuah Khan , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Alan Hayward , Shuah Khan , kvmarm@lists.cs.columbia.edu, Salil Akerkar X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Mon, Feb 07, 2022 at 03:21:01PM +0000, Mark Brown wrote: > The Scalable Matrix Extension adds a new system register TPIDR2 intended to > be used by libc for its own thread specific use, add some kselftests which > exercise the ABI for it. > > Since this test should with some adjustment work for TPIDR and any other > similar registers added in future add tests for it in a separate > directory rather than placing it with the other floating point tests, > nothing existing looked suitable so I created a new test directory > called "abi". > > Since this feature is intended to be used by libc the test is built as > freestanding code using nolibc so we don't end up with the test program > and libc both trying to manage the register simultaneously and > distrupting each other. As a result of being written using nolibc rather > than using hwcaps to identify if SME is available in the system we check > for the default SME vector length configuration in proc, adding hwcap > support to nolibc seems like disproportionate effort and didn't feel > entirely idiomatic for what nolibc is trying to do. > > Signed-off-by: Mark Brown Acked-by: Catalin Marinas _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm