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 X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A06BC3A589 for ; Fri, 16 Aug 2019 00:10:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 69E1A2089E for ; Fri, 16 Aug 2019 00:10:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="g/cwtFRU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726046AbfHPAJy (ORCPT ); Thu, 15 Aug 2019 20:09:54 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:42908 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726119AbfHPAJy (ORCPT ); Thu, 15 Aug 2019 20:09:54 -0400 Received: by mail-pl1-f193.google.com with SMTP id y1so1683136plp.9 for ; Thu, 15 Aug 2019 17:09:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id; bh=Bmhf8PVD5dJtgK9AddO0xa1upUkZ6UmEqObX9gGUygw=; b=g/cwtFRUJnie4vfNE+kfKj1lR1TiRyNEuVwdAY1iDM2oMDkvNQRPopBFt2AACv1B8z 983Gy7jmtLNUtCEhVXCX0aUFR0m7mYkc9iO4WydqOtvtn8OwfPTSoRaPcIBcLsbbjpTY nzPx9Gqd7qjNWuN/dFaJhHqps9pmNKWOvWrxA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=Bmhf8PVD5dJtgK9AddO0xa1upUkZ6UmEqObX9gGUygw=; b=QAJ+3U1nXlZ+PAX7GVIJcW1RPFwO0g9y5rmdrJohAdWmh6RiS2PBo1ky2ohz5jgRb+ NxB9F/J6qDZujSKkzAaV7R47LxByEn9bU8XgAU6PLAA9aefuMuyy4zQW/hatKB/cz3tQ BLODZE6EVOiQYelRh7w4+63MKq7peK7Sfqy2B0OHxqn2o7A3bildrWL6znkevPYfiZ4p a1IAa/JGbX3dI1LuVlQ2Qak0+RphccI2lJaL/SMvgn29umDSr4nQvgWKivZazTL7C+mR b8ykCaX9evA+RpNNKfk3vq+Fwe6H48Shjuhtz9dZpBeICOYliQqrocJHxJaTBIsaOKiM fCAA== X-Gm-Message-State: APjAAAUM2jH6wWm8gvsT9I6DpHBl/KUhIIjXZUf28rdDiKuCN4X1hVkl RoChfnShrUznXJ3ln6r8HWfJJQ== X-Google-Smtp-Source: APXvYqybBoOAvisp8F+JZ3q5jUty2R8V65DI77Sn3u4nQ2zi0kHjcTpl9h1Y3GptDlHG/aiHG0TmbA== X-Received: by 2002:a17:902:1101:: with SMTP id d1mr6747611pla.212.1565914193322; Thu, 15 Aug 2019 17:09:53 -0700 (PDT) Received: from lbrmn-lnxub113.broadcom.net ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id g2sm4056916pfi.26.2019.08.15.17.09.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Aug 2019 17:09:52 -0700 (PDT) From: Scott Branden To: Luis Chamberlain , Greg Kroah-Hartman , Andy Gross , David Brown , Alexander Viro , Shuah Khan , bjorn.andersson@linaro.org Cc: "Rafael J . Wysocki" , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-fsdevel@vger.kernel.org, BCM Kernel Feedback , Olof Johansson , Andrew Morton , Dan Carpenter , Colin Ian King , Kees Cook , Takashi Iwai , linux-kselftest@vger.kernel.org, Scott Branden Subject: [PATCH 0/3] firmware: selftest for request_firmware_into_buf Date: Thu, 15 Aug 2019 17:09:42 -0700 Message-Id: <20190816000945.29810-1-scott.branden@broadcom.com> X-Mailer: git-send-email 2.17.1 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch series adds kernel selftest of request_firmware_into_buf. The API was added to the kernel previously untested. Also included in this patch series is a fix for a race condition discovered while testing request_firmware_into_buf. Mutex may not be correct final solution but demonstrates a fix to a race condition new test exposes. Scott Branden (3): test_firmware: add support for request_firmware_into_buf selftest: firmware: Add request_firmware_into_buf tests firmware: add mutex fw_lock_fallback for race condition drivers/base/firmware_loader/main.c | 15 +++++ lib/test_firmware.c | 50 +++++++++++++++- .../selftests/firmware/fw_filesystem.sh | 57 ++++++++++++++++++- tools/testing/selftests/firmware/fw_lib.sh | 11 ++++ 4 files changed, 129 insertions(+), 4 deletions(-) -- 2.17.1