Re: [PATCH] WorkStruct: Implement generic UP cmpxchg() where an arch doesn't support it

From: David Howells
Date: Wed Dec 06 2006 - 14:48:22 EST


Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx> wrote:

> > Pre-v6 ARM doesn't support SMP according to ARM's atomic.h,
>
> That's not quite true, there exist ARMv5 processors that in theory
> can support SMP.

I meant that the Linux ARM arch doesn't support it:

#else /* ARM_ARCH_6 */

#include <asm/system.h>

#ifdef CONFIG_SMP
#error SMP not supported on pre-ARMv6 CPUs
#endif

David
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/