Re: [patch uq/master 2/2] kvm-all.c: define smp_wmb and use it for coalesced mmio

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On 02/22/2010 03:59 PM, Marcelo Tosatti wrote:
Cc: "Michael S. Tsirkin"<mst@xxxxxxxxxx>
Signed-off-by: Marcelo Tosatti<mtosatti@xxxxxxxxxx>

Index: qemu/kvm-all.c
===================================================================
--- qemu.orig/kvm-all.c
+++ qemu/kvm-all.c
@@ -718,6 +718,9 @@ static int kvm_handle_io(uint16_t port,
      return 1;
  }

+/* FIXME: arch dependant, x86 version */
+#define smp_wmb()   asm volatile("" ::: "memory")
+

sfence?  what about other arches?

--
error compiling committee.c: too many arguments to function

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