On Sat, 10 Aug 2013 11:16:07 +0530, Saket Sinha said: > Actually WARN_ON macro has been defined slightly differently for each > Acrhitecture in kernel. And that matters for the *caller*, why, exactly? (Hint - the vast majority of calls to WARN_ON() are in non-arch code, so it pretty much has to have the same semantics on all architectures, even if the actual macro is different) > Can you specifically point out the definition of macro you have suggested > and where it is defined in kernel. cd /usr/src/linux && find include arch -type f -name '*.h' | xargs egrep 'define.*WARN_ON' If you're on parisc, avr32, s390, powerpc, sh, or blackfin, you'll get the appropriate version in arch/. If you're on anything else, you'll get the version from include/asm-generic/bug.h Not that it matters - you end up using it exactly the same no matter what arch.
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