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    Subject[PATCH V3 01/10] vhost: disable metadata prefetch optimization
    Date
    From: "Michael S. Tsirkin" <mst@redhat.com>

    This seems to cause guest and host memory corruption.
    Disable for now until we get a better handle on that.

    Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
    ---
    drivers/vhost/vhost.h | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
    index 819296332913..42a8c2a13ab1 100644
    --- a/drivers/vhost/vhost.h
    +++ b/drivers/vhost/vhost.h
    @@ -96,7 +96,7 @@ struct vhost_uaddr {
    };

    #if defined(CONFIG_MMU_NOTIFIER) && ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 0
    -#define VHOST_ARCH_CAN_ACCEL_UACCESS 1
    +#define VHOST_ARCH_CAN_ACCEL_UACCESS 0
    #else
    #define VHOST_ARCH_CAN_ACCEL_UACCESS 0
    #endif
    --
    2.18.1
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