From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sipsolutions.net (s3.sipsolutions.net [144.76.43.62]) (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 1072C3FC3 for ; Tue, 14 Sep 2021 13:39:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: 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=YE5S9gSHyfxp99FL/6mq2aM8kO293bPxI6xNMfwx6DY=; t=1631626796; x=1632836396; b=HSIRZo+GH7Nm6p+FJdxvfnIHikuATFfJsL+ZDD/N5xyigPP mXQjwfS0nUZU3RU2d8Q7DrlA3v4zb3wP4BjxfFYT2jz8AO7TuDXtIRH23J2fLupmpDthAS0YVCf1R WefEPoK5oOqRGiq1pp3NHgkeD4VgQr0oCJRXTvbtT3OfvvDCU+vs0uLrPZLp4l4owAKpoRc5KaPjL w29mCJau43IfOuFFIDF8jYnKpzrCtxO1xUiuo98odvWgNIeLflXp8Q/FtV+ECLC/2WMO1JWRHQJA6 Y41PV8C5pTkXvAiUHBN9ebhAC8tIGex3TbA8oQ1h7jMZlEe1AZGxGE+UUfegL2Bg==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.95-RC2) (envelope-from ) id 1mQ8OL-006rj4-HR; Tue, 14 Sep 2021 15:22:29 +0200 Message-ID: <89c05f467348efc0c82060be11ae517ba44a1eac.camel@sipsolutions.net> Subject: Re: [MAINTAINER SUMMIT] User-space requirements for accelerator drivers From: Johannes Berg To: Laurent Pinchart , James Bottomley Cc: Jonathan Corbet , Alexandre Belloni , ksummit@lists.linux.dev Date: Tue, 14 Sep 2021 15:22:28 +0200 In-Reply-To: References: <877dfop2lx.fsf@meer.lwn.net> <9f380f6b8efecb4bfe39a3d520ff74d8ab07b9c5.camel@HansenPartnership.com> <05c1591b0e3744233e78ae35ba66d2721ee6af5e.camel@HansenPartnership.com> <87y283np2i.fsf@meer.lwn.net> <9bbe54192d9b4807422941bccfd2f0e48a5525ff.camel@HansenPartnership.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.4 (3.38.4-1.fc33) Precedence: bulk X-Mailing-List: ksummit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-malware-bazaar: not-scanned On Sun, 2021-09-12 at 00:52 +0300, Laurent Pinchart wrote: > > For a wireless driver the situation is possibly different, I suppose > that if the closed-source userspace blob is there only for regulatory > reasons, then there would be very little point in having a closed-source > implementation with a parallel one. > For the record, I know of no such thing, certainly not with an upstream driver. Regulatory enforcement is either done through regulatory.db{,.p7s} loaded into the kernel (the accepted keys are determined at build time), or, in many newer devices, by firmware. johannes