Messages in this thread | | | Date | Thu, 21 Oct 2004 13:54:41 -0500 (CDT) | From | Adam Heath <> | Subject | Re: ZONE_PADDING wastes 4 bytes of the new cacheline |
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On Thu, 21 Oct 2004, Andrea Arcangeli wrote:
> On Thu, Oct 21, 2004 at 12:51:18PM +0200, Mikael Pettersson wrote: > > Have you verified that? GCCs up to and including 2.95.3 and > > early versions of 2.96 miscompiled the kernel when spinlocks > > where empty structs on UP. I.e., you might not get a compile-time > > error but runtime corruption instead. > > peraphs we should add a check on the compiler and force people to use > gcc >= 3? > > Otherwise adding an #ifdef will fix 2.95, just like the spinlock does in > UP. > > btw, the only machine where I still have gcc 2.95.3 is not uptodate > enough to run 2.6 regardless of the fact 2.6 could compile on such > machine or not.
So compile a 2.6 kernel on the machine with 2.95.3 for another machine. - 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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