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Message-ID: <20070426112641.GS17387@elf.ucw.cz> Date: Thu, 26 Apr 2007 13:26:41 +0200 From: Pavel Machek <pavel@....cz> To: Johannes Berg <johannes@...solutions.net> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>, Con Kolivas <kernel@...ivas.org>, suspend2-devel@...ts.suspend2.net, Ingo Molnar <mingo@...e.hu>, Andrew Morton <akpm@...ux-foundation.org>, Arjan van de Ven <arjan@...radead.org>, "Rafael J. Wysocki" <rjw@...k.pl> Subject: Re: suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2: hang in atomic copy) Hi! > > This one should prevent ioctl numbers changing, too. > > > -#define SNAPSHOT_ATOMIC_SNAPSHOT _IOW(SNAPSHOT_IOC_MAGIC, 3, void *) > > +#define SNAPSHOT_ATOMIC_SNAPSHOT _IOW(SNAPSHOT_IOC_MAGIC, 3, u32) /* void * */ > > Afaict that'll actually change ioctl numbers breaking existing 64-bit > userspace. Yes, probably will. The other option is to break existing 32-bit userspace, which is a bit more common AFAICT. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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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