Messages in this thread | | | Date | Fri, 10 May 2002 16:56:03 +0100 | From | "Dave Gilbert (Home)" <> | Subject | Re: mmap, SIGBUS, and handling it |
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David S. Miller wrote: > From: Mihai RUSU <dizzy@roedu.net> > Date: Fri, 10 May 2002 18:37:21 +0300 (EEST) > > PS: why signal(SIGBUS,SIG_IGN) doesnt work, but a user handler its called > if set with signal(SIGBUS,handle_sigbus) ? > > How would you like the kernel to "ignore" a page fault that cannot be > serviced?
Well imagining you really wanted to do it you could skip a store instruction or put a dummy value in the register that something is being loaded into.
Dave
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