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David Miller wrote: > From: Randy Dunlap <randy.dunlap@oracle.com> > Date: Tue, 03 Apr 2007 12:09:33 -0700 > >> How does the networking code work across multiple architectures? > > This has been discussed before. > > The csum_partial() result value is only well defined modulo 0xffff. > > The networking does csum_fold() or similar on the results, and so the > right thing always happens there. > > The reiserfs case is the worst because even ignoring the differences > in csum_partial() return values, it always feeds this into > cpu_to_le32() which basically means that it is putting a cpu-endian > dependent value onto disk. csum_partial() returns a fixed-endian, > not cpu endian, value. So feeding it into cpu_to_anything() is > quite wrong. Thanks David and Andi. I get it. -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - 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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