Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 41 insertions, 29 deletions

diff --git a/fs/jffs2/read.c b/fs/jffs2/read.c
index 3f39be1b045..0b042b1fc82 100644
--- a/fs/jffs2/read.c
+++ b/fs/jffs2/read.c
@@ -9,6 +9,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/crc32.h>
@@ -36,24 +38,25 @@ int jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 	ret = jffs2_flash_read(c, ref_offset(fd->raw), sizeof(*ri), &readlen, (char *)ri);
 	if (ret) {
 		jffs2_free_raw_inode(ri);
-		printk(KERN_WARNING "Error reading node from 0x%08x: %d\n", ref_offset(fd->raw), ret);
+		pr_warn("Error reading node from 0x%08x: %d\n",
+			ref_offset(fd->raw), ret);
 		return ret;
 	}
 	if (readlen != sizeof(*ri)) {
 		jffs2_free_raw_inode(ri);
-		printk(KERN_WARNING "Short read from 0x%08x: wanted 0x%zx bytes, got 0x%zx\n",
-		       ref_offset(fd->raw), sizeof(*ri), readlen);
+		pr_warn("Short read from 0x%08x: wanted 0x%zx bytes, got 0x%zx\n",
+			ref_offset(fd->raw), sizeof(*ri), readlen);
 		return -EIO;
 	}
 	crc = crc32(0, ri, sizeof(*ri)-8);
 
-	D1(printk(KERN_DEBUG "Node read from %08x: node_crc %08x, calculated CRC %08x. dsize %x, csize %x, offset %x, buf %p\n",
+	jffs2_dbg(1, "Node read from %08x: node_crc %08x, calculated CRC %08x. dsize %x, csize %x, offset %x, buf %p\n",
 		  ref_offset(fd->raw), je32_to_cpu(ri->node_crc),
 		  crc, je32_to_cpu(ri->dsize), je32_to_cpu(ri->csize),
-		  je32_to_cpu(ri->offset), buf));
+		  je32_to_cpu(ri->offset), buf);
 	if (crc != je32_to_cpu(ri->node_crc)) {
-		printk(KERN_WARNING "Node CRC %08x != calculated CRC %08x for node at %08x\n",
-		       je32_to_cpu(ri->node_crc), crc, ref_offset(fd->raw));
+		pr_warn("Node CRC %08x != calculated CRC %08x for node at %08x\n",
+			je32_to_cpu(ri->node_crc), crc, ref_offset(fd->raw));
 		ret = -EIO;
 		goto out_ri;
 	}
@@ -66,8 +69,8 @@ int jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 	}
 
 	D1(if(ofs + len > je32_to_cpu(ri->dsize)) {
-		printk(KERN_WARNING "jffs2_read_dnode() asked for %d bytes at %d from %d-byte node\n",
-		       len, ofs, je32_to_cpu(ri->dsize));
+			pr_warn("jffs2_read_dnode() asked for %d bytes at %d from %d-byte node\n",
+				len, ofs, je32_to_cpu(ri->dsize));
 		ret = -EINVAL;
 		goto out_ri;
 	});
@@ -107,8 +110,8 @@ int jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 		decomprbuf = readbuf;
 	}
 
-	D2(printk(KERN_DEBUG "Read %d bytes to %p\n", je32_to_cpu(ri->csize),
-		  readbuf));
+	jffs2_dbg(2, "Read %d bytes to %p\n", je32_to_cpu(ri->csize),
+		  readbuf);
 	ret = jffs2_flash_read(c, (ref_offset(fd->raw)) + sizeof(*ri),
 			       je32_to_cpu(ri->csize), &readlen, readbuf);
 
@@ -119,18 +122,19 @@ int jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 
 	crc = crc32(0, readbuf, je32_to_cpu(ri->csize));
 	if (crc != je32_to_cpu(ri->data_crc)) {
-		printk(KERN_WARNING "Data CRC %08x != calculated CRC %08x for node at %08x\n",
-		       je32_to_cpu(ri->data_crc), crc, ref_offset(fd->raw));
+		pr_warn("Data CRC %08x != calculated CRC %08x for node at %08x\n",
+			je32_to_cpu(ri->data_crc), crc, ref_offset(fd->raw));
 		ret = -EIO;
 		goto out_decomprbuf;
 	}
-	D2(printk(KERN_DEBUG "Data CRC matches calculated CRC %08x\n", crc));
+	jffs2_dbg(2, "Data CRC matches calculated CRC %08x\n", crc);
 	if (ri->compr != JFFS2_COMPR_NONE) {
-		D2(printk(KERN_DEBUG "Decompress %d bytes from %p to %d bytes at %p\n",
-			  je32_to_cpu(ri->csize), readbuf, je32_to_cpu(ri->dsize), decomprbuf));
+		jffs2_dbg(2, "Decompress %d bytes from %p to %d bytes at %p\n",
+			  je32_to_cpu(ri->csize), readbuf,
+			  je32_to_cpu(ri->dsize), decomprbuf);
 		ret = jffs2_decompress(c, f, ri->compr | (ri->usercompr << 8), readbuf, decomprbuf, je32_to_cpu(ri->csize), je32_to_cpu(ri->dsize));
 		if (ret) {
-			printk(KERN_WARNING "Error: jffs2_decompress returned %d\n", ret);
+			pr_warn("Error: jffs2_decompress returned %d\n", ret);
 			goto out_decomprbuf;
 		}
 	}
@@ -157,8 +161,8 @@ int jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 	struct jffs2_node_frag *frag;
 	int ret;
 
-	D1(printk(KERN_DEBUG "jffs2_read_inode_range: ino #%u, range 0x%08x-0x%08x\n",
-		  f->inocache->ino, offset, offset+len));
+	jffs2_dbg(1, "%s(): ino #%u, range 0x%08x-0x%08x\n",
+		  __func__, f->inocache->ino, offset, offset + len);
 
 	frag = jffs2_lookup_node_frag(&f->fragtree, offset);
 
@@ -168,22 +172,27 @@ int jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 	 * (or perhaps is before it, if we've been asked to read off the
 	 * end of the file). */
 	while(offset < end) {
-		D2(printk(KERN_DEBUG "jffs2_read_inode_range: offset %d, end %d\n", offset, end));
+		jffs2_dbg(2, "%s(): offset %d, end %d\n",
+			  __func__, offset, end);
 		if (unlikely(!frag || frag->ofs > offset ||
 			     frag->ofs + frag->size <= offset)) {
 			uint32_t holesize = end - offset;
 			if (frag && frag->ofs > offset) {
-				D1(printk(KERN_NOTICE "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n", f->inocache->ino, frag->ofs, offset));
+				jffs2_dbg(1, "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n",
+					  f->inocache->ino, frag->ofs, offset);
 				holesize = min(holesize, frag->ofs - offset);
 			}
-			D1(printk(KERN_DEBUG "Filling non-frag hole from %d-%d\n", offset, offset+holesize));
+			jffs2_dbg(1, "Filling non-frag hole from %d-%d\n",
+				  offset, offset + holesize);
 			memset(buf, 0, holesize);
 			buf += holesize;
 			offset += holesize;
 			continue;
 		} else if (unlikely(!frag->node)) {
 			uint32_t holeend = min(end, frag->ofs + frag->size);
-			D1(printk(KERN_DEBUG "Filling frag hole from %d-%d (frag 0x%x 0x%x)\n", offset, holeend, frag->ofs, frag->ofs + frag->size));
+			jffs2_dbg(1, "Filling frag hole from %d-%d (frag 0x%x 0x%x)\n",
+				  offset, holeend, frag->ofs,
+				  frag->ofs + frag->size);
 			memset(buf, 0, holeend - offset);
 			buf += holeend - offset;
 			offset = holeend;
@@ -195,20 +204,23 @@ int jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 
 			fragofs = offset - frag->ofs;
 			readlen = min(frag->size - fragofs, end - offset);
-			D1(printk(KERN_DEBUG "Reading %d-%d from node at 0x%08x (%d)\n",
-				  frag->ofs+fragofs, frag->ofs+fragofs+readlen,
-				  ref_offset(frag->node->raw), ref_flags(frag->node->raw)));
+			jffs2_dbg(1, "Reading %d-%d from node at 0x%08x (%d)\n",
+				  frag->ofs+fragofs,
+				  frag->ofs + fragofs+readlen,
+				  ref_offset(frag->node->raw),
+				  ref_flags(frag->node->raw));
 			ret = jffs2_read_dnode(c, f, frag->node, buf, fragofs + frag->ofs - frag->node->ofs, readlen);
-			D2(printk(KERN_DEBUG "node read done\n"));
+			jffs2_dbg(2, "node read done\n");
 			if (ret) {
-				D1(printk(KERN_DEBUG"jffs2_read_inode_range error %d\n",ret));
+				jffs2_dbg(1, "%s(): error %d\n",
+					  __func__, ret);
 				memset(buf, 0, readlen);
 				return ret;
 			}
 			buf += readlen;
 			offset += readlen;
 			frag = frag_next(frag);
-			D2(printk(KERN_DEBUG "node read was OK. Looping\n"));
+			jffs2_dbg(2, "node read was OK. Looping\n");
 		}
 	}
 	return 0;