On 05/05/2010 11:58 PM, Michael S. Tsirkin wrote:
+ /* We publish the last-seen used index at the end of the available ring. + * It is at the end for backwards compatibility. */ + vr->last_used_idx =&(vr)->avail->ring[num]; + /* Verify that last used index does not spill over the used ring. */ + BUG_ON((void *)vr->last_used_idx + + sizeof *vr->last_used_idx> (void *)vr->used); }
Shouldn't this be on its own cache line? One way to achieve this is to allocate it at the end. -- error compiling committee.c: too many arguments to function
