Messages in this thread | | | From | Paul Mackerras <> | Date | Sat, 5 Jan 2002 09:14:38 +1100 (EST) | Subject | Re: [PATCH] C undefined behavior fix |
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Florian Weimer writes:
> Paul Mackerras <paulus@samba.org> writes: > > > One of the reasons why C is a good language for the kernel is that its > > memory model is a good match to the memory organization used by the > > processors that linux runs on. Thus, for these processors, adding an > > offset to a pointer is in fact simply an arithmetic addition. > > But this is not the memory model of C! Adding an offset to a pointer > is an operation involving objects defined by the C language, and not > machine registers. Sometimes, this makes a noticeable difference.
Sorry, you are correct. I should have written "One of the reasons why C used to be a good language for writing operating system kernels ..."
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