Linus Torvalds wrote: > I wonder if the order matters more, though. Andi? We _used_ to write the > high word first, and I think the order matters. The low word contains the > enable bit, for example, so when enabling an interrupt, you should write > the low word last, when you disable it you should write the low word > first. > Although you can argue that anyone coding here should be a guru, in practice things this subtle really would be helped by a comment in the initial code. I don't agree that "if it was hard to write it should be hard to understand." Clearly several competent people missed this dependency, or the patch would not have gone in. -- Bill Davidsen <davidsen at tmr.com> Obscure bug of 2004: BASH BUFFER OVERFLOW - if bash is being run by a normal user and is setuid root, with the "vi" line edit mode selected, and the character set is "big5," an off-by-one errors occurs during wildcard (glob) expansion.
