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Date: Thu, 13 Dec 2012 01:08:54 +0100 From: "Hans J. Koch" <hjk@...sjkoch.de> To: Greg KH <gregkh@...uxfoundation.org> Cc: Benedikt Spranger <b.spranger@...utronix.de>, "Hans J. Koch" <hjk@...sjkoch.de>, linux-kernel@...r.kernel.org, Alexander.Frank@...rspaecher.com Subject: Re: [PATCH 2/2] uio: do not expose inode to uio open/release hooks On Wed, Dec 12, 2012 at 07:08:18AM -0800, Greg KH wrote: > On Wed, Dec 12, 2012 at 09:56:16AM +0100, Benedikt Spranger wrote: > > Am Wed, 12 Dec 2012 09:50:54 +0100 > > schrieb "Hans J. Koch" <hjk@...sjkoch.de>: > > > > > On Tue, Dec 11, 2012 at 08:46:48PM -0800, Greg KH wrote: > > > > Yes, but what does that have to do with this in-kernel, internal api? > > > > > > Ah, OK. You're right, the commit message is confusing. > > > > > > Bene, it's enough to say we drop the inode parameter because nobody > > > ever needed it. > > I am fine with that. > > > > > I cannot see why this also helps with the other problem. > > It would help, because we can defer calling the release hook until the > > last mmap user is gone. In this case the inode pointer may not be valid > > anymore. > > Which, again, is the same for any in-kernel driver with these types of > callbacks. Is that a general mmap problem that wants to be fixed? hjk > > greg k-h > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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