Messages in this thread | | | Subject | Re: Bus Errors! | Date | Sun, 8 Feb 1998 16:59:47 +0100 (MET) | From | (Rogier Wolff) |
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Richard B. Johnson wrote: > > > The Intel machines allow access of any sized object at any alignment. > They run faster if large objects are aligned on their natural boundaries. > > For this reason, Intel machines can't produce bus errors from unnatural > alignments. Further, there are no bus signals (bits) that could possibly > be operated in the event of some hardware generated error related to the > bus. > > Therefore "bus errors" on Intel machines can't exist. However, some > poorly-written code may use the SIGBUS signal in some improper way.
In theory: Yes. However in practise, the kernel generates sigbus for a few special cases. (Look in the function "do_no_page" in mm/memory.c).
Roger.
-- If it's there and you can see it, it's REAL |___R.E.Wolff@BitWizard.nl | If it's there and you can't see it, it's TRANSPARENT | Tel: +31-15-2137555 | If it's not there and you can see it, it's VIRTUAL |__FAX:_+31-15-2138217 | If it's not there and you can't see it, it's GONE! -- Roy Wilks, 1983 |_____| - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu
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