Messages in this thread | | | Date | Thu, 09 Aug 2007 13:36:11 -0400 | From | Chuck Ebbert <> | Subject | Re: [PATCH] make atomic_t volatile on all architectures |
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On 08/09/2007 03:31 AM, Chris Snook wrote: > > Fair enough. Casting to (volatile int *) will give us the behavior > people expect when using atomic_t without needing to use inefficient > barriers. >
You can use this forget() macro to make the compiler reread a variable:
#define forget(var) asm volatile ("" : "=m"(var)) - 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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