From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 6B8A8282F3A for ; Thu, 2 Apr 2026 01:14:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775092449; cv=none; b=AEHCG2iow+aWIe5dc3zSgci1RCz3uv3ZRpj2AtQv3Z6OKFUcz0zmPKzkpFVCn0M334kExItdVapDjZtobAUNbvaz6eTjZJH3jG60Q2GJB6sIfBctGxhHbPrzQPlFrcqr+faLm5q45NbomrPZ0XQy3M/Cg9l17VFyr+eOmcAmjwM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775092449; c=relaxed/simple; bh=foDVFVbcuWW1ekLdnpJH9JMK+N8WAAFswyL/EY42dbs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E58RcwopjFqL2uojsZjBPMeuzXTvq/w5jo8lYPg9PKQMsnrgShviYlsBTVKcI41ER+2LJBXRDooR6dSjg7NuNp+iwm5LvQKlsDMl3pZe/TLazPEKOpcDUySquyq8sc897Me5bWpV4tlBlnEfLi7atBioqGRSfVEy8XlcwjV52a8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=gWv+8IlY; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="gWv+8IlY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1775092447; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=b1BrIuh4JRk9mChsYnd7IZf+UTRPtmSlQTkGsjvBknE=; b=gWv+8IlYVn12VY2vPyse9LlIkw2yClC3ciu42Y5DEhrenNbnI+qhE0ZiwxraVFwc2c4YGp e1P8WO1SYadJDsIQ4VseXBjG1iwKehGyHr8Y5JeqfwarIGueJAHS1LLUYXjQ7zeasY7OH2 V02OlBLD/gQZL8gvvK2Wxw+qqqw7P5g= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-304-RM-cyG3sMXiA47fcz3YQsQ-1; Wed, 01 Apr 2026 21:14:04 -0400 X-MC-Unique: RM-cyG3sMXiA47fcz3YQsQ-1 X-Mimecast-MFC-AGG-ID: RM-cyG3sMXiA47fcz3YQsQ_1775092443 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 1AC181800464; Thu, 2 Apr 2026 01:14:03 +0000 (UTC) Received: from gmail.com (unknown [10.72.112.80]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id E57B319560AB; Thu, 2 Apr 2026 01:13:59 +0000 (UTC) Date: Thu, 2 Apr 2026 09:13:54 +0800 From: Chunyu Hu To: Andrew Morton Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org Subject: Re: [PATCH v7 4/7] selftests: ksft_exit_fail_perror: support printf style arguments Message-ID: References: <20260330151503.670415-1-chuhu@redhat.com> <20260330151503.670415-5-chuhu@redhat.com> <20260401143831.31f40405758f78d7955ff6db@linux-foundation.org> 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: <20260401143831.31f40405758f78d7955ff6db@linux-foundation.org> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 On Wed, Apr 01, 2026 at 02:38:31PM -0700, Andrew Morton wrote: > On Wed, 1 Apr 2026 21:46:32 +0800 Chunyu Hu wrote: > > > > I need to look at why this managed to pass the build testing I do in > > > -next... > > > > I can reproduce this issue with nolibc compile. Thanks for the > > debugging. It's great if we have that definition in nolibc lib. > > > > For thsi series, because according to man page, vasprintf() > > requires _GNU_SOURCE, and implemeted it in kselftest.h will > > add the burden to all c files, or fore a _GNU_SOURCE to > > all c files included, I tend to go back to ksft_exit_fail_msg. > > ;) > > Thanks. > > Can we please get this sorted out fairly soon? It's not good > to be breaking -next for others. Sure. Will post v8 soon. Added back two mail lists. > > I would prefer to retain the series - all those false negatives > on no-THP kernels are undesirable! > Thanks!