diff options
Diffstat (limited to 'xen/net/dev.c')
| -rw-r--r-- | xen/net/dev.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/xen/net/dev.c b/xen/net/dev.c index 31d80e2a14..69ed0e399a 100644 --- a/xen/net/dev.c +++ b/xen/net/dev.c @@ -553,7 +553,7 @@ void deliver_packet(struct sk_buff *skb, net_vif_t *vif) unsigned long *sptr = map_domain_mem( (spte_pfn<<PAGE_SHIFT) | (((unsigned long)ptep)&~PAGE_MASK) ); - // avoid the fault later + /* Avoid the fault later. */ *sptr = new_pte; unmap_domain_mem(sptr); @@ -2086,13 +2086,11 @@ static void get_rx_bufs(net_vif_t *vif) pte_pfn = rx.addr >> PAGE_SHIFT; pte_page = &frame_table[pte_pfn]; - //printk("MMM %08lx ", rx.addr); - /* The address passed down must be to a valid PTE. */ if ( unlikely(pte_pfn >= max_page) || unlikely(!get_page_and_type(pte_page, p, PGT_l1_page_table)) ) { - DPRINTK("Bad page frame for ppte %llu,%08lx,%08lx,%08lx\n", + DPRINTK("Bad page frame for ppte %llu,%08lx,%08lx,%08x\n", p->domain, pte_pfn, max_page, pte_page->type_and_flags); make_rx_response(vif, rx.id, 0, RING_STATUS_BAD_PAGE, 0); continue; @@ -2100,7 +2098,7 @@ static void get_rx_bufs(net_vif_t *vif) ptep = map_domain_mem(rx.addr); pte = *ptep; - //printk("%08lx\n",pte); + /* We must be passed a valid writeable mapping to swizzle. */ if ( unlikely((pte & (_PAGE_PRESENT|_PAGE_RW)) != (_PAGE_PRESENT|_PAGE_RW)) || @@ -2143,7 +2141,7 @@ static void get_rx_bufs(net_vif_t *vif) make_rx_response(vif, rx.id, 0, RING_STATUS_BAD_PAGE, 0); goto rx_unmap_and_continue; - // XXX IAP should SHADOW_CONFIG do something here? + /* XXX IAP should SHADOW_CONFIG do something here? */ } /* @@ -2155,7 +2153,7 @@ static void get_rx_bufs(net_vif_t *vif) 0) != (PGC_allocated | PGC_tlb_flush_on_type_change | 2)) ) { - DPRINTK("Page held more than once %08lx\n", + DPRINTK("Page held more than once %08x\n", buf_page->count_and_flags); if ( !get_page_type(buf_page, PGT_writeable_page) ) put_page(buf_page); |