Messages in this thread | | | Date | Sun, 14 Sep 2014 10:46:22 -0700 | From | Greg KH <> | Subject | Re: [PATCH] Change userspace MKDEV, MAJOR, MINOR-macros from 8+8 bit, to 12+20 bit layout |
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On Sun, Sep 14, 2014 at 07:35:28PM +0200, Stephan Müller wrote: > Delete old userspace-only versions (8+8 bit). Instead expose the kernel-space > definitions (12+20 bit). > > Signed-off-by: Stephan Mueller <fruktopus@gmail.com> > --- > > Browsing some code I found that user-space and kernel-space macros for (un-)packing major/minor device numbers differ. The user-space ones using still the old 16 bit scheme. There was no explaining comment around and most libraries have their own macros anyway so it should not be a problematic UAPI change. So IMHO we could win some coherence in abandon this discrepancy. > Please correct me if I am wrong.
You are wrong, we can't change this api, things will break :(
sorry,
greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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