On 12/3/14, 12:24 AM, Warner Losh wrote: >> On Dec 1, 2014, at 10:08 PM, Julian Elischer <julian_at_freebsd.org> wrote: >> >> On 12/1/14, 11:39 PM, John Baldwin wrote: >>> On Friday, November 28, 2014 11:08:35 PM Julian Elischer wrote: >>>> Do we need to compile all modules with witness definitions when >>>> linking with a kernel compiled with witness? >>>> This was true at one stage but I remember some work was done to make >>>> them compatible. >>> You should not need this. modules always call functions in the kernel for >>> lock operations and this functions are what invoke WITNESS. >>> >> that's what I thought but empirical evidence disagrees. >> I'll try some more cases. > I swap back and forth all the time between the two. Kernel modules don’t > change when you compile them with WITNESS or without. not entirely.. hwpmc.ko: U witness_restore hwpmc.ko: U witness_save zfs.ko: U witness_restore zfs.ko: U witness_save > Warner >Received on Wed Dec 03 2014 - 01:33:27 UTC
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