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afc22de0c0
This defines __smp_xxx barriers for metag, for use by virtualization. smp_xxx barriers are removed as they are defined correctly by asm-generic/barriers.h Note: as __smp_XX macros should not depend on CONFIG_SMP, they can not use the existing fence() macro since that is defined differently between SMP and !SMP. For this reason, this patch introduces a wrapper metag_fence() that doesn't depend on CONFIG_SMP. fence() is then defined using that, depending on CONFIG_SMP. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: James Hogan <james.hogan@imgtec.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> |
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