From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <1408468991.29765.140.camel@shinybook.infradead.org> From: David Woodhouse To: Grant Likely Date: Tue, 19 Aug 2014 12:23:11 -0500 In-Reply-To: References: <20140819144839.GA1270@thunk.org> <20140819145547.GB18536@roeck-us.net> <20140819152350.GE11085@thunk.org> <20140819154029.GE5423@mwanda> <20140819154738.GB16948@roeck-us.net> <1408466581.29765.124.camel@shinybook.infradead.org> Content-Type: multipart/signed; micalg="sha-1"; protocol="application/x-pkcs7-signature"; boundary="=-LRhZh3ScDy9nl4icj9ZV" Mime-Version: 1.0 Cc: ksummit-discuss@lists.linux-foundation.org, Dan Carpenter Subject: Re: [Ksummit-discuss] No more module removal -- Unconference track List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --=-LRhZh3ScDy9nl4icj9ZV Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2014-08-19 at 12:13 -0500, Grant Likely wrote: > On Tue, Aug 19, 2014 at 11:43 AM, David Woodhouse w= rote: > > On Tue, 2014-08-19 at 08:47 -0700, Guenter Roeck wrote: > >> > >> If you want to taint the kernel on module removal because it is known = that many > >> drivers have bugs in their removal code, > > > > Most drivers don't have "removal code" per se. They have "unbind" code. > > Which you can still exercise without actually unloading the driver. >=20 > Many platform, i2c, spi drivers have moved to macro generated module > removal code that does nothing but unregister the struct > device_driver. That's exactly what I mean. There is no interesting code for unloading the module. There is only the code for unbinding the device from the driver (as in hot-unplug). Which doesn't go away if you disable module unloading. 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