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Linus Torvalds wrote: > > On Fri, 6 Dec 2002, george anzinger wrote: > > > > I have not looked at your code yet, but I am concerned that > > the restart may not be able to get to the original > > parameters. > > The way the new system call restarting is done, it never looks at the old > parameters. They don't even _exist_ for the restarted call (well, they do, > but the restart function can't actually get at them). So it is up to the > original interrupted call to save off anything it needs saving off (and it > get sthe "restart_block" structure to do that saving in. Right now that's > just three words, but we can expand it if necessary). > Hi Linus, I know it would be a few extra lines of assembly code but it would be nice if the restart routine had the original arguments. Would it be too ugly to do something like: sys_restart_syscall: GET_THREAD_INFO(%eax) jmp TI_RESTART_BLOCK(%eax) I'm having second thoughts about even sending this. Its just that I hate casts more than I hate assembly code and using the restart_block to save the arguments implys casts. Jim Houston - Concurrent Computer Corp. - 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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