On Wed, May 04, 2011 at 01:34:15PM +0200, sean finney wrote: > And furthermore, even if Debian chooses to "fix" this, upstreams will > be forced to eventually cater to the default glibc behavior for every > other libc distro out there that does not have their own "fix" (and > non-libc OS's where this behavior already exists), That's fine: let others be the guinea pigs, then introduce the optimized memcpy later when the rest of the world has adapted. > so gains would be potentially limited. For me, having a working system would be a great gain! > That said, regressions do suck, especially when they take the form of > heisenbugs. But one could easily hack something LD_PRELOAD'able check > for stuff like this without forcing a global change. Sounds interesting. What do you have in mind? -Steve
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