---

yaml
---
r: 10053
b: refs/heads/master
c: 2c86c83
h: refs/heads/master
i:
  10051: 12ac6ae
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d18566376055046fca0b51ad536f1778ef34966a
+refs/heads/master: 2c86c83bf4e7fa1ef0d625e297607dc5d0d94dd4

trunk/arch/ppc64/kernel/time.c

@@ -870,7 +870,7 @@ void div128_by_32( unsigned long dividend_high, unsigned long dividend_low,
 	rb = ((ra + b) - (x * divisor)) << 32;
 
 	y = (rb + c)/divisor;
-	rc = ((rb + b) - (y * divisor)) << 32;
+	rc = ((rb + c) - (y * divisor)) << 32;
 
 	z = (rc + d)/divisor;
 

trunk/arch/ppc64/mm/init.c

@@ -799,8 +799,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long ea,
 	if (cpus_equal(vma->vm_mm->cpu_vm_mask, tmp))
 		local = 1;
 
-	__hash_page(ea, pte_val(pte) & (_PAGE_USER|_PAGE_RW), vsid, ptep,
-		    0x300, local);
+	__hash_page(ea, 0, vsid, ptep, 0x300, local);
 	local_irq_restore(flags);
 }
 

trunk/drivers/char/drm/drm_vm.c

@@ -148,7 +148,8 @@ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma,
 
 	offset	 = address - vma->vm_start;
 	i = (unsigned long)map->handle + offset;
-	page = vmalloc_to_page((void *)i);
+	page = (map->type == _DRM_CONSISTENT) ?
+		virt_to_page((void *)i) : vmalloc_to_page((void *)i);
 	if (!page)
 		return NOPAGE_OOM;
 	get_page(page);

trunk/drivers/char/drm/mga_drv.h

@@ -227,7 +227,7 @@ static inline u32 _MGA_READ(u32 *addr)
 #define MGA_EMIT_STATE( dev_priv, dirty )				\
 do {									\
 	if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) {			\
-		if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {	\
+		if ( dev_priv->chipset >= MGA_CARD_TYPE_G400 ) {	\
 			mga_g400_emit_state( dev_priv );		\
 		} else {						\
 			mga_g200_emit_state( dev_priv );		\

trunk/drivers/char/drm/mga_state.c

@@ -53,7 +53,7 @@ static void mga_emit_clip_rect( drm_mga_private_t *dev_priv,
 
 	/* Force reset of DWGCTL on G400 (eliminates clip disable bit).
 	 */
-	if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
+	if (dev_priv->chipset >= MGA_CARD_TYPE_G400) {
 		DMA_BLOCK(MGA_DWGCTL, ctx->dwgctl,
 			  MGA_LEN + MGA_EXEC, 0x80000000,
 			  MGA_DWGCTL, ctx->dwgctl,

trunk/drivers/message/fusion/mptsas.c

@@ -257,8 +257,8 @@ static void mptsas_print_device_pg0(SasDevicePage0_t *pg0)
 	printk("SAS Address=0x%llX\n", le64_to_cpu(sas_address));
 	printk("Target ID=0x%X\n", pg0->TargetID);
 	printk("Bus=0x%X\n", pg0->Bus);
-	printk("PhyNum=0x%X\n", pg0->PhyNum);
-	printk("AccessStatus=0x%X\n", le16_to_cpu(pg0->AccessStatus));
+	printk("Parent Phy Num=0x%X\n", pg0->PhyNum);
+	printk("Access Status=0x%X\n", le16_to_cpu(pg0->AccessStatus));
 	printk("Device Info=0x%X\n", le32_to_cpu(pg0->DeviceInfo));
 	printk("Flags=0x%X\n", le16_to_cpu(pg0->Flags));
 	printk("Physical Port=0x%X\n", pg0->PhysicalPort);
@@ -270,7 +270,7 @@ static void mptsas_print_expander_pg1(SasExpanderPage1_t *pg1)
 	printk("---- SAS EXPANDER PAGE 1 ------------\n");
 
 	printk("Physical Port=0x%X\n", pg1->PhysicalPort);
-	printk("PHY Identifier=0x%X\n", pg1->Phy);
+	printk("PHY Identifier=0x%X\n", pg1->PhyIdentifier);
 	printk("Negotiated Link Rate=0x%X\n", pg1->NegotiatedLinkRate);
 	printk("Programmed Link Rate=0x%X\n", pg1->ProgrammedLinkRate);
 	printk("Hardware Link Rate=0x%X\n", pg1->HwLinkRate);
@@ -604,7 +604,7 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
 	mptsas_print_expander_pg1(buffer);
 
 	/* save config data */
-	phy_info->phy_id = buffer->Phy;
+	phy_info->phy_id = buffer->PhyIdentifier;
 	phy_info->port_id = buffer->PhysicalPort;
 	phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
 	phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
@@ -825,6 +825,8 @@ mptsas_probe_hba_phys(MPT_ADAPTER *ioc, int *index)
 		mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
 			(MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE <<
 			 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), handle);
+		port_info->phy_info[i].identify.phy_id =
+		    port_info->phy_info[i].phy_id;
 		handle = port_info->phy_info[i].identify.handle;
 
 		if (port_info->phy_info[i].attached.handle) {
@@ -881,6 +883,8 @@ mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle, int *index)
 				(MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
 				 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
 				port_info->phy_info[i].identify.handle);
+			port_info->phy_info[i].identify.phy_id =
+			    port_info->phy_info[i].phy_id;
 		}
 
 		if (port_info->phy_info[i].attached.handle) {

trunk/include/linux/hugetlb.h

@@ -25,6 +25,8 @@ int is_hugepage_mem_enough(size_t);
 unsigned long hugetlb_total_pages(void);
 struct page *alloc_huge_page(void);
 void free_huge_page(struct page *);
+int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+			unsigned long address, int write_access);
 
 extern unsigned long max_huge_pages;
 extern const unsigned long hugetlb_zero, hugetlb_infinity;
@@ -99,6 +101,7 @@ static inline unsigned long hugetlb_total_pages(void)
 						do { } while (0)
 #define alloc_huge_page()			({ NULL; })
 #define free_huge_page(p)			({ (void)(p); BUG(); })
+#define hugetlb_fault(mm, vma, addr, write)	({ BUG(); 0; })
 
 #ifndef HPAGE_MASK
 #define HPAGE_MASK	0		/* Keep the compiler happy */
@@ -155,24 +158,11 @@ static inline void set_file_hugepages(struct file *file)
 {
 	file->f_op = &hugetlbfs_file_operations;
 }
-
-static inline int valid_hugetlb_file_off(struct vm_area_struct *vma, 
-					  unsigned long address) 
-{
-	struct inode *inode = vma->vm_file->f_dentry->d_inode;
-	loff_t file_off = address - vma->vm_start;
-
-	file_off += (vma->vm_pgoff << PAGE_SHIFT);
-
-	return (file_off < inode->i_size);
-}
-
 #else /* !CONFIG_HUGETLBFS */
 
 #define is_file_hugepages(file)		0
 #define set_file_hugepages(file)	BUG()
 #define hugetlb_zero_setup(size)	ERR_PTR(-ENOSYS)
-#define valid_hugetlb_file_off(vma, address) 	0
 
 #endif /* !CONFIG_HUGETLBFS */
 

trunk/mm/hugetlb.c

@@ -394,6 +394,28 @@ int hugetlb_prefault(struct address_space *mapping, struct vm_area_struct *vma)
 	return ret;
 }
 
+/*
+ * On ia64 at least, it is possible to receive a hugetlb fault from a
+ * stale zero entry left in the TLB from earlier hardware prefetching.
+ * Low-level arch code should already have flushed the stale entry as
+ * part of its fault handling, but we do need to accept this minor fault
+ * and return successfully.  Whereas the "normal" case is that this is
+ * an access to a hugetlb page which has been truncated off since mmap.
+ */
+int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+			unsigned long address, int write_access)
+{
+	int ret = VM_FAULT_SIGBUS;
+	pte_t *pte;
+
+	spin_lock(&mm->page_table_lock);
+	pte = huge_pte_offset(mm, address);
+	if (pte && !pte_none(*pte))
+		ret = VM_FAULT_MINOR;
+	spin_unlock(&mm->page_table_lock);
+	return ret;
+}
+
 int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
 			struct page **pages, struct vm_area_struct **vmas,
 			unsigned long *position, int *length, int i)

trunk/mm/memory.c

@@ -2045,18 +2045,8 @@ int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct * vma,
 
 	inc_page_state(pgfault);
 
-	if (unlikely(is_vm_hugetlb_page(vma))) {
-		if (valid_hugetlb_file_off(vma, address))
-			/* We get here only if there was a stale(zero) TLB entry 
-			 * (because of  HW prefetching). 
-			 * Low-level arch code (if needed) should have already
-			 * purged the stale entry as part of this fault handling.  
-			 * Here we just return.
-			 */
-			return VM_FAULT_MINOR; 
-		else
-			return VM_FAULT_SIGBUS;	/* mapping truncation does this. */
-	}
+	if (unlikely(is_vm_hugetlb_page(vma)))
+		return hugetlb_fault(mm, vma, address, write_access);
 
 	/*
 	 * We need the page table lock to synchronize with kswapd

trunk/net/dccp/ipv4.c

@@ -463,6 +463,7 @@ static int dccp_v4_send_response(struct sock *sk, struct request_sock *req,
 	if (skb != NULL) {
 		const struct inet_request_sock *ireq = inet_rsk(req);
 
+		memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 		err = ip_build_and_send_pkt(skb, sk, ireq->loc_addr,
 					    ireq->rmt_addr,
 					    ireq->opt);
@@ -647,6 +648,7 @@ int dccp_v4_send_reset(struct sock *sk, enum dccp_reset_codes code)
 	if (skb != NULL) {
 		const struct inet_sock *inet = inet_sk(sk);
 
+		memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 		err = ip_build_and_send_pkt(skb, sk,
 					    inet->saddr, inet->daddr, NULL);
 		if (err == NET_XMIT_CN)

trunk/net/dccp/output.c

@@ -62,10 +62,8 @@ int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
 
 		skb->h.raw = skb_push(skb, dccp_header_size);
 		dh = dccp_hdr(skb);
-		/*
-		 * Data packets are not cloned as they are never retransmitted
-		 */
-		if (skb_cloned(skb))
+
+		if (!skb->sk)
 			skb_set_owner_w(skb, sk);
 
 		/* Build DCCP header and checksum it. */
@@ -102,6 +100,7 @@ int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
 
 		DCCP_INC_STATS(DCCP_MIB_OUTSEGS);
 
+		memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 		err = ip_queue_xmit(skb, 0);
 		if (err <= 0)
 			return err;
@@ -243,7 +242,8 @@ int dccp_write_xmit(struct sock *sk, struct sk_buff *skb, long *timeo)
 
 		err = dccp_transmit_skb(sk, skb);
 		ccid_hc_tx_packet_sent(dp->dccps_hc_tx_ccid, sk, 0, len);
-	}
+	} else
+		kfree_skb(skb);
 
 	return err;
 }

trunk/net/dccp/proto.c

@@ -402,8 +402,6 @@ int dccp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	 *     This bug was _quickly_ found & fixed by just looking at an OSTRA
 	 *     generated callgraph 8) -acme
 	 */
-	if (rc != 0)
-		goto out_discard;
 out_release:
 	release_sock(sk);
 	return rc ? : len;

trunk/net/ipv4/tcp_output.c

@@ -435,17 +435,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
 	int nsize, old_factor;
 	u16 flags;
 
-	if (unlikely(len >= skb->len)) {
-		if (net_ratelimit()) {
-			printk(KERN_DEBUG "TCP: seg_size=%u, mss=%u, seq=%u, "
-			       "end_seq=%u, skb->len=%u.\n", len, mss_now,
-			       TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq,
-			       skb->len);
-			WARN_ON(1);
-		}
-		return 0;
-	}
-
+	BUG_ON(len > skb->len);
 	nsize = skb_headlen(skb) - len;
 	if (nsize < 0)
 		nsize = 0;