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btw., i dont think it's the early-bootup behavior of lockdep that causes your oops. I think %gs somehow ended up being invalid upon pagefault entry, well after bootup. Not sure why. Andi's patch just papers over this i believe. ah ... found it meanwhile: in the syscall exit path the PDA patches restore the userspace %gs too early, trace_hardirqs_on() is called _after_ the restoring of %gs. Will send a patch in a few minutes. Ingo - 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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