On 25-09-15, 22:58, Rafael J. Wysocki wrote: > Say you have three adjacent fields in a structure, x, y, z, each one byte > long. > Initially, all of them are equal to 0. > > CPU A writes 1 to x and CPU B writes 2 to y at the same time. > > What's the result?
But then two CPUs can update the same variable as well, and we must have proper locking in place to fix that. Anyway, that problem isn't here for sure as its between two unsigned-longs. So, should I just move it to bool and resend ? -- viresh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
