From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (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 D031120ADC4 for ; Fri, 10 Jan 2025 09:23:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=168.119.38.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736501024; cv=none; b=m2fTeLnmOJw5z0zTtq+fDBeJpPnJG4tmGUEOtJfhC1qfKHnhZVfd7e2+5cySh3x1diIuM6XpcCO/zUUMa1+xP5PjXEL3qrTUFWGwlqw/MO80XwF23Ou8DA/2wsdegJOhmt+LwNdSvi7+5ZcozjGq2DMgs7sqnZX7ILH+jaeIBKo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736501024; c=relaxed/simple; bh=NJx0PEV/M0uoisojTNS3o+ww4afW1HksaM/6ldprfmU=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=u05qVcFddrKANnagJuQy3gzP41nx0UHOj2yqRBHn8g8d9uK0nYMu2M6c/FyFcnwfYkJPB6Rt5yY+1lF2b/snhGH88OYioC/XxSxE9pz8JRe91Pn3pbF9u4RIL4k2T5ciYsJdCV5OlffkZPA253R6JtelEifoXxBQ2iMr3z9y2fI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net; spf=pass smtp.mailfrom=sipsolutions.net; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b=lhTBV3VC; arc=none smtp.client-ip=168.119.38.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="lhTBV3VC" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=NJx0PEV/M0uoisojTNS3o+ww4afW1HksaM/6ldprfmU=; t=1736501022; x=1737710622; b=lhTBV3VCUwCCdQPgh8AGJRQUqYo4ESGEODAR+DUi5KXFCkp 7b6vuJs0nLq72psv/myRQvc2yyIa9T9RbS9JUGzhGYQMXd51ZsrPfWwj948qOXxIFEj8VZ2xpMJ/3 hYUPRsuQEdO+frOOoduR76RONWg6jkq9wLY7OLZ8OC83Jy1aHsAy8Igs7NZKosVoDqCnjjujltvDw 3rUjMs/cfIv6UdR1hstj2uWwTIppy5dTOccbRyJ9iQPWxa0u9qnkVw8pxO4BHpAxqsEILG7K6YqP7 t2Wcy+XKS8Sw5Tvbj9+lhVg3BOqRaRh/ZWhv/7YlnuipizTNcEnDQN1fVV9MzpjA==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.98) (envelope-from ) id 1tWBEy-0000000ASt4-0hdG; Fri, 10 Jan 2025 10:23:40 +0100 Message-ID: Subject: Re: [PATCH] fs: debugfs: differentiate short fops with proxy ops From: Johannes Berg To: Ryan Roberts , linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , "Rafael J. Wysocki" , Geert Uytterhoeven , Aishwarya TCV , Mark Brown Date: Fri, 10 Jan 2025 10:23:39 +0100 In-Reply-To: <86ebd184-1f65-488a-8d5a-5d203be70097@arm.com> References: <20241129121536.30989-2-johannes@sipsolutions.net> <86ebd184-1f65-488a-8d5a-5d203be70097@arm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.54.2 (3.54.2-1.fc41) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-malware-bazaar: not-scanned Hi, >=20 > I'm seeing a problem on arm64 where opening /sys/kernel/debug/gup_test ha= s=20 > started failing with EINVAL after this patch is applied. Additionally thi= s=20 > warning is triggering (see below). You missed the window for a(nother) Reported-by: by a few hours ;-) https://lore.kernel.org/lkml/20250110085826.cd74f3b7a36b.I430c79c82ec3f954c= 2ff9665753bf6ac9e63eef8@changeid/ johannes