Messages in this thread | | | Date | Sun, 25 Mar 2007 16:03:38 +0400 | From | "Manu Abraham" <> | Subject | Re: [v4l-dvb-maintainer] [PATCH] DVB: Delete unused header file linux/dvb/version.h. |
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On 3/25/07, Arjan van de Ven <arjan@infradead.org> wrote: > > > > There are cases where we need an API update since newer systems do show up. > > In such a case, the only way is to provide backward compatibility > > while adding in newer stuff. > > > > Currently we use the version major/minor for the userspace to identify > > the in kernel API, while the userspace apps can remain binary > > compatible > > this is the problem exactly! Your userspace binary knows about the > kernel headers it was compiled against, not about the actual running > kernel! They are very likely not the same.
Well, we could go for an IOCTL in such a case to avoid the unpleasant scenario.
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