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 D2301C4332F for ; Wed, 13 Dec 2023 02:45:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date: In-reply-to:Subject:Cc:To:From:References:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=4yqN14AAPiSyIEmlcEOA7hGryRfWCsQkQ/I2W9f6fmg=; b=XqvADIBqzRInqtzzP/60haHb+R 4qbOi+nQ6KUvwJH4Nceyzae9GD69SxSDz1PlSEU2Ei1v9BPoPwk2x4iKDXRPJNSzlndK6RNVSi0Qd cT5T6QtpKRA4H5WbtEkn7rLDcsvrssMYznfM9obLDIci/J4JzCijVzBMqvq4EE/VwhOTwQ7FGrcXP 8e6c5VW9gr6Y5WOqcHFTO9F1bUbi5hxFnEWJCvz+YqT9fBWxJgu6N+sRwVlsJ0HLzNUZg7p+nl+pP dFeE1uY2153T++OMVLHDQ8bvuN0dmDIcXdTJZ91tXySHA0b5573ENUjW5ri0QJFc0FDOVcpu2Sv5e x8PS+iwA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rDFFP-00DR4V-1H; Wed, 13 Dec 2023 02:45:19 +0000 Received: from mail-pf1-x42e.google.com ([2607:f8b0:4864:20::42e]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rDFFM-00DR2T-09 for linux-arm-kernel@lists.infradead.org; Wed, 13 Dec 2023 02:45:17 +0000 Received: by mail-pf1-x42e.google.com with SMTP id d2e1a72fcca58-6cebcf8a48aso5181668b3a.3 for ; Tue, 12 Dec 2023 18:45:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1702435509; x=1703040309; darn=lists.infradead.org; h=mime-version:message-id:date:in-reply-to:subject:cc:to:from :user-agent:references:from:to:cc:subject:date:message-id:reply-to; bh=CJ7qwCmvq20mGgi3dRymJGPN14h9pbhwL4VM2txPZCM=; b=y03+5Mfk5RsKvNrHLfhQKkxBUcrShcIstR2N133bhtKRTqTZC6AeMyyXVhibNZs28H cVeu4JDxun8mxG22t+YUIXm0ZKxQDKJk+eifSS3DhozfbXzlaayVL1Cn1SCZLJN7Hbpr ZGiFUd6K9+hRIezgKtzFdJpFOpyt1NfxoLkUqf6+ixH837J7BhYx0ZXE4w3KJ3qECJkd 35C7A8doacNcPqQIlGGqCehC63yUnU9xCd/u7b2vyHYXfx1MKjbgiMF+tywG7NYQ21au s7GEgSYRL/TQpMe+Xj6hFBuDUeiy+sFlleLevRgFVKJSvt0KgTtIK+dh82nq1cxM7J+3 /0+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702435509; x=1703040309; h=mime-version:message-id:date:in-reply-to:subject:cc:to:from :user-agent:references:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=CJ7qwCmvq20mGgi3dRymJGPN14h9pbhwL4VM2txPZCM=; b=Vx+tL+TAKModP3mZtzR4wBBe64GbzjsgpCr4mQ29Cb58Iy4XlrkAn8Ho2KM97lhyu4 STDX/k1rK4Qs68URPkP/7ZcVrNqioFktYDHsA/VEzd7pb0Y2qfih/OBigXS/WtpFikzb F07+/Y1HPeEqxkZgai29+4JWpGTBOVEdFgPyQqVd1Flm2XArRaSHaP8UieNwqfdoCEDq n2UMZoOLjOmSC3kCDHsnP1CFr8cPt9QYfJYKG9mU8GvO5UDHYx0HzQX5NXlaUzkslxH+ 3MHYEyE2xGbq0k8IUkFDK3pGofOGTA2LLX0GdaDDdEFB2koOszVXf8+DnoB5gMx2eLTu 2Aug== X-Gm-Message-State: AOJu0Yw2k9ciLJpHLyllEeARhXp2TB6uGWcdKHK0ivPYQH+0qse71uIo 8Vdl3jP+IUfYyG7WdccZyl3meA== X-Google-Smtp-Source: AGHT+IGi//6HE3KINOZpirefGAX+e3jIHwZFWzUp/AR1xA1scaFysKSWvBw9/QjFkCNOqGCFGdEidA== X-Received: by 2002:a05:6a00:c81:b0:6cb:a2f4:8579 with SMTP id a1-20020a056a000c8100b006cba2f48579mr8585102pfv.15.1702435509333; Tue, 12 Dec 2023 18:45:09 -0800 (PST) Received: from localhost ([2804:14d:7e39:8470:cddd:ffc9:f19e:a4dc]) by smtp.gmail.com with ESMTPSA id y72-20020a62ce4b000000b006cb7bdbc3besm9528817pfg.17.2023.12.12.18.45.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Dec 2023 18:45:08 -0800 (PST) References: <20231122-arm64-gcs-v7-0-201c483bd775@kernel.org> <20231122-arm64-gcs-v7-37-201c483bd775@kernel.org> User-agent: mu4e 1.10.8; emacs 29.1 From: Thiago Jung Bauermann To: Mark Brown Cc: Catalin Marinas , Will Deacon , Jonathan Corbet , Andrew Morton , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Arnd Bergmann , Oleg Nesterov , Eric Biederman , Kees Cook , Shuah Khan , "Rick P. Edgecombe" , Deepak Gupta , Ard Biesheuvel , Szabolcs Nagy , "H.J. Lu" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Florian Weimer , Christian Brauner , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v7 37/39] kselftest/arm64: Add a GCS stress test In-reply-to: <20231122-arm64-gcs-v7-37-201c483bd775@kernel.org> Date: Tue, 12 Dec 2023 23:45:06 -0300 Message-ID: <87zfyex1l9.fsf@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231212_184516_088420_3738C2FB X-CRM114-Status: GOOD ( 10.69 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org I'm going a bit out-of-order to report a build failure in a test: Mark Brown writes: > +// Recurse x20 times > +.macro recurse id I get an assembler error here: gcc -nostdlib gcs-stress-thread.S -o /home/thiago.bauermann/src/linux/tools/testing/selftests/arm64/gcs/gcs-stress-thread gcs-stress-thread.S: Assembler messages: gcs-stress-thread.S:236: Error: unexpected end of file in macro `recurse' definition make[2]: *** [Makefile:24: /home/thiago.bauermann/src/linux/tools/testing/selftests/arm64/gcs/gcs-stress-thread] Error 1 This is with gas from Ubuntu 22.04, which ships binutils 2.38. > +function recurse\id > + stp x29, x30, [sp, #-16]! > + mov x29, sp > + > + cmp x20, 0 > + beq 1f > + sub x20, x20, 1 > + bl recurse\id > + > +1: > + ldp x29, x30, [sp], #16 > + > + // Do a syscall immediately prior to returning to try to provoke > + // scheduling and migration at a point where coherency issues > + // might trigger. > + mov x8, #__NR_getpid > + svc #0 > + > + ret > +endfunction > +.endmacro > + > +// Generate and use two copies so we're changing the GCS contents > +recurse 1 > +recurse 2 -- Thiago _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel