From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 E4E7246C4A0; Fri, 14 Aug 2026 12:27:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786710441; cv=none; b=Mqu+adNNmd4lwyQ11lurocmUHucsBzEJQnh7h+Nfav5bsF+05DVG864oTuFX73+LUAwqgCs1OA0expb/Wh/jy1D22q9tGAYCKbs7WtH0H/bczVEN6MigFNF2jfMFwbATq1haeyuIfPToO13Atc3IKDqM8IUzQUmv+7indJOn2OU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786710441; c=relaxed/simple; bh=cJBeQsBTpEO0q01u4Rvs3Q9nETpXfjnhqjfsPHQH5gU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mzdtc8Wj3RIkvsKgQ2iIhqO3TfzRReeW86/FxaDWDPrL2yxheyRlGvGklDrwi0pBusrpSDp3C0OjNx8xOcKtr/I+G0vn71pxGkI+TLY8f2yUuXnNxyAMcUwxhc4qHMZWvARbeM5zjBTijiZK02Y+RKCQZ4xbKQgPAs8iTTx5Gdc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ZWz00XqC; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ZWz00XqC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1786710439; x=1818246439; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=cJBeQsBTpEO0q01u4Rvs3Q9nETpXfjnhqjfsPHQH5gU=; b=ZWz00XqCiTP9p0e+qA9SZDPoxDq3pGlz2t8NCC+E7f2OQWlw3Ztmke7q qsUJPvRVO+j14V8FMwWvOYmjZTtqm+OTQIhyef92Zr2CgIjSC5wM1SAXY y8IKxPqggsbe+lB6OJXLgytT9XoRGhIKW+lidKSLAUXKWxbZ36fBTSA0T EwZX8ncMYzE1EKHwNWp8ypMJNhX04hzk/zccB3/xtuZ4QxKxJN/TNySP4 QNJgTuXP4UgPEmn9QqG5uK45/kEKMnw48ysRdJk86lW8SPbbtjhUorhBf t5IftL6CjvD5gB+72VdItDi+vYNJmMgm5YIQfCS5vWBmSTmw9t34nmJTb g==; X-CSE-ConnectionGUID: RrVRdQjuSUaQOGYuuxfPnQ== X-CSE-MsgGUID: WwbmJq2uT2S0mwqBmmQS+g== X-IronPort-AV: E=McAfee;i="6800,10657,11874"; a="97879274" X-IronPort-AV: E=Sophos;i="6.25,222,1779174000"; d="scan'208";a="97879274" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2026 05:27:18 -0700 X-CSE-ConnectionGUID: rBIv4H9LTguDKIyolg8kmg== X-CSE-MsgGUID: 024IXkpHTJ+fr3WZ7Erwzg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,222,1779174000"; d="scan'208";a="287695205" Received: from inaky-mobl1.amr.corp.intel.com (HELO localhost) ([10.245.244.225]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2026 05:27:15 -0700 Date: Fri, 14 Aug 2026 15:27:13 +0300 From: Andy Shevchenko To: Honghui Jiang Cc: Mark Brown , Andy Shevchenko , Serge Semin , Brendan Higgins , David Gow , Rae Moar , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com Subject: Re: [PATCH v2 4/4] spi: Add KUnit coverage for DMA mapping error paths Message-ID: References: <20260814031419.43378-1-jiang_hh2019@163.com> <20260814031419.43378-5-jiang_hh2019@163.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260814031419.43378-5-jiang_hh2019@163.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Fri, Aug 14, 2026 at 11:14:18AM +0800, Honghui Jiang wrote: > Add KUnit tests for the __spi_map_msg() error paths. The tests verify > that a later TX or RX mapping failure clears the mapping state of > earlier transfers and leaves cur_{tx,rx}_dma_dev identifying the > current mapping device. > > A zero-length transfer causes sg_alloc_table() to return -EINVAL, > providing deterministic failure injection without test hooks. > Additional cases cover successful map/unmap and a message which > requires no mapping. > > Build the DMA suite as a separate translation unit, exposing the two > internal mapping helpers only for KUnit through the local internal > header. Enable SPI in the default and all-tests KUnit configurations so > the suite is exercised there. ... > +++ b/tools/testing/kunit/configs/default.config > @@ -1,3 +1,4 @@ > CONFIG_KUNIT=y > CONFIG_KUNIT_EXAMPLE_TEST=y > CONFIG_KUNIT_ALL_TESTS=y > +CONFIG_SPI=y This is a stray change. -- With Best Regards, Andy Shevchenko