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Merge branch 'bugfixes' into nfs-for-2.6.38
Conflicts: fs/nfs/nfs2xdr.c fs/nfs/nfs3xdr.c fs/nfs/nfs4xdr.c
This commit is contained in:
Trond Myklebust
@@ -516,6 +516,7 @@ int main(int argc, char *argv[])
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default:
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fprintf(stderr, "Unknown nla_type %d\n",
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na->nla_type);
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case TASKSTATS_TYPE_NULL:
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break;
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}
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na = (struct nlattr *) (GENLMSG_DATA(&msg) + len);
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@@ -18,7 +18,6 @@ prototypes:
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char *(*d_dname)((struct dentry *dentry, char *buffer, int buflen);
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locking rules:
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none have BKL
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dcache_lock rename_lock ->d_lock may block
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d_revalidate: no no no yes
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d_hash no no no yes
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@@ -42,18 +41,23 @@ ata *);
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int (*rename) (struct inode *, struct dentry *,
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struct inode *, struct dentry *);
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int (*readlink) (struct dentry *, char __user *,int);
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int (*follow_link) (struct dentry *, struct nameidata *);
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void * (*follow_link) (struct dentry *, struct nameidata *);
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void (*put_link) (struct dentry *, struct nameidata *, void *);
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void (*truncate) (struct inode *);
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int (*permission) (struct inode *, int, struct nameidata *);
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int (*check_acl)(struct inode *, int);
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int (*setattr) (struct dentry *, struct iattr *);
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int (*getattr) (struct vfsmount *, struct dentry *, struct kstat *);
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int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
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ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
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ssize_t (*listxattr) (struct dentry *, char *, size_t);
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int (*removexattr) (struct dentry *, const char *);
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void (*truncate_range)(struct inode *, loff_t, loff_t);
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long (*fallocate)(struct inode *inode, int mode, loff_t offset, loff_t len);
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int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len);
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locking rules:
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all may block, none have BKL
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all may block
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i_mutex(inode)
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lookup: yes
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create: yes
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@@ -66,19 +70,24 @@ rmdir: yes (both) (see below)
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rename: yes (all) (see below)
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readlink: no
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follow_link: no
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put_link: no
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truncate: yes (see below)
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setattr: yes
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permission: no
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check_acl: no
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getattr: no
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setxattr: yes
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getxattr: no
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listxattr: no
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removexattr: yes
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truncate_range: yes
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fallocate: no
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fiemap: no
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Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on
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victim.
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cross-directory ->rename() has (per-superblock) ->s_vfs_rename_sem.
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->truncate() is never called directly - it's a callback, not a
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method. It's called by vmtruncate() - library function normally used by
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method. It's called by vmtruncate() - deprecated library function used by
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->setattr(). Locking information above applies to that call (i.e. is
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inherited from ->setattr() - vmtruncate() is used when ATTR_SIZE had been
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passed).
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@@ -91,7 +100,7 @@ prototypes:
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struct inode *(*alloc_inode)(struct super_block *sb);
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void (*destroy_inode)(struct inode *);
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void (*dirty_inode) (struct inode *);
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int (*write_inode) (struct inode *, int);
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int (*write_inode) (struct inode *, struct writeback_control *wbc);
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int (*drop_inode) (struct inode *);
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void (*evict_inode) (struct inode *);
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void (*put_super) (struct super_block *);
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@@ -105,10 +114,10 @@ prototypes:
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int (*show_options)(struct seq_file *, struct vfsmount *);
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ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);
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ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
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int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
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locking rules:
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All may block [not true, see below]
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None have BKL
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s_umount
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alloc_inode:
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destroy_inode:
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@@ -127,6 +136,7 @@ umount_begin: no
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show_options: no (namespace_sem)
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quota_read: no (see below)
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quota_write: no (see below)
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bdev_try_to_free_page: no (see below)
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->statfs() has s_umount (shared) when called by ustat(2) (native or
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compat), but that's an accident of bad API; s_umount is used to pin
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@@ -139,19 +149,25 @@ be the only ones operating on the quota file by the quota code (via
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dqio_sem) (unless an admin really wants to screw up something and
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writes to quota files with quotas on). For other details about locking
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see also dquot_operations section.
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->bdev_try_to_free_page is called from the ->releasepage handler of
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the block device inode. See there for more details.
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--------------------------- file_system_type ---------------------------
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prototypes:
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int (*get_sb) (struct file_system_type *, int,
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const char *, void *, struct vfsmount *);
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struct dentry *(*mount) (struct file_system_type *, int,
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const char *, void *);
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void (*kill_sb) (struct super_block *);
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locking rules:
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may block BKL
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get_sb yes no
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kill_sb yes no
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may block
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get_sb yes
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mount yes
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kill_sb yes
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->get_sb() returns error or 0 with locked superblock attached to the vfsmount
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(exclusive on ->s_umount).
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->mount() returns ERR_PTR or the root dentry.
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->kill_sb() takes a write-locked superblock, does all shutdown work on it,
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unlocks and drops the reference.
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@@ -176,27 +192,35 @@ prototypes:
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void (*freepage)(struct page *);
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int (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
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loff_t offset, unsigned long nr_segs);
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int (*launder_page) (struct page *);
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int (*get_xip_mem)(struct address_space *, pgoff_t, int, void **,
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unsigned long *);
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int (*migratepage)(struct address_space *, struct page *, struct page *);
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int (*launder_page)(struct page *);
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int (*is_partially_uptodate)(struct page *, read_descriptor_t *, unsigned long);
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int (*error_remove_page)(struct address_space *, struct page *);
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locking rules:
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All except set_page_dirty and freepage may block
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BKL PageLocked(page) i_mutex
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writepage: no yes, unlocks (see below)
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readpage: no yes, unlocks
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sync_page: no maybe
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writepages: no
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set_page_dirty no no
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readpages: no
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write_begin: no locks the page yes
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write_end: no yes, unlocks yes
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perform_write: no n/a yes
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bmap: no
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invalidatepage: no yes
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releasepage: no yes
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freepage: no yes
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direct_IO: no
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launder_page: no yes
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PageLocked(page) i_mutex
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writepage: yes, unlocks (see below)
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readpage: yes, unlocks
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sync_page: maybe
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writepages:
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set_page_dirty no
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readpages:
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write_begin: locks the page yes
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write_end: yes, unlocks yes
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bmap:
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invalidatepage: yes
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releasepage: yes
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freepage: yes
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direct_IO:
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get_xip_mem: maybe
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migratepage: yes (both)
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launder_page: yes
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is_partially_uptodate: yes
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error_remove_page: yes
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->write_begin(), ->write_end(), ->sync_page() and ->readpage()
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may be called from the request handler (/dev/loop).
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@@ -276,9 +300,8 @@ under spinlock (it cannot block) and is sometimes called with the page
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not locked.
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->bmap() is currently used by legacy ioctl() (FIBMAP) provided by some
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filesystems and by the swapper. The latter will eventually go away. All
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instances do not actually need the BKL. Please, keep it that way and don't
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breed new callers.
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filesystems and by the swapper. The latter will eventually go away. Please,
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keep it that way and don't breed new callers.
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->invalidatepage() is called when the filesystem must attempt to drop
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some or all of the buffers from the page when it is being truncated. It
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@@ -299,47 +322,37 @@ cleaned, or an error value if not. Note that in order to prevent the page
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getting mapped back in and redirtied, it needs to be kept locked
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across the entire operation.
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Note: currently almost all instances of address_space methods are
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using BKL for internal serialization and that's one of the worst sources
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of contention. Normally they are calling library functions (in fs/buffer.c)
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and pass foo_get_block() as a callback (on local block-based filesystems,
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indeed). BKL is not needed for library stuff and is usually taken by
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foo_get_block(). It's an overkill, since block bitmaps can be protected by
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internal fs locking and real critical areas are much smaller than the areas
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filesystems protect now.
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----------------------- file_lock_operations ------------------------------
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prototypes:
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void (*fl_insert)(struct file_lock *); /* lock insertion callback */
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void (*fl_remove)(struct file_lock *); /* lock removal callback */
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void (*fl_copy_lock)(struct file_lock *, struct file_lock *);
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void (*fl_release_private)(struct file_lock *);
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locking rules:
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BKL may block
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fl_insert: yes no
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fl_remove: yes no
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fl_copy_lock: yes no
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fl_release_private: yes yes
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file_lock_lock may block
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fl_copy_lock: yes no
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fl_release_private: maybe no
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----------------------- lock_manager_operations ---------------------------
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prototypes:
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int (*fl_compare_owner)(struct file_lock *, struct file_lock *);
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void (*fl_notify)(struct file_lock *); /* unblock callback */
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int (*fl_grant)(struct file_lock *, struct file_lock *, int);
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void (*fl_release_private)(struct file_lock *);
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void (*fl_break)(struct file_lock *); /* break_lease callback */
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int (*fl_mylease)(struct file_lock *, struct file_lock *);
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int (*fl_change)(struct file_lock **, int);
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locking rules:
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BKL may block
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fl_compare_owner: yes no
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fl_notify: yes no
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fl_release_private: yes yes
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fl_break: yes no
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file_lock_lock may block
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fl_compare_owner: yes no
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fl_notify: yes no
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fl_grant: no no
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fl_release_private: maybe no
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fl_break: yes no
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fl_mylease: yes no
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fl_change yes no
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Currently only NFSD and NLM provide instances of this class. None of the
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them block. If you have out-of-tree instances - please, show up. Locking
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in that area will change.
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--------------------------- buffer_head -----------------------------------
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prototypes:
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void (*b_end_io)(struct buffer_head *bh, int uptodate);
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@@ -364,17 +377,17 @@ prototypes:
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||||
void (*swap_slot_free_notify) (struct block_device *, unsigned long);
|
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|
||||
locking rules:
|
||||
BKL bd_mutex
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open: no yes
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||||
release: no yes
|
||||
ioctl: no no
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||||
compat_ioctl: no no
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||||
direct_access: no no
|
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media_changed: no no
|
||||
unlock_native_capacity: no no
|
||||
revalidate_disk: no no
|
||||
getgeo: no no
|
||||
swap_slot_free_notify: no no (see below)
|
||||
bd_mutex
|
||||
open: yes
|
||||
release: yes
|
||||
ioctl: no
|
||||
compat_ioctl: no
|
||||
direct_access: no
|
||||
media_changed: no
|
||||
unlock_native_capacity: no
|
||||
revalidate_disk: no
|
||||
getgeo: no
|
||||
swap_slot_free_notify: no (see below)
|
||||
|
||||
media_changed, unlock_native_capacity and revalidate_disk are called only from
|
||||
check_disk_change().
|
||||
@@ -413,34 +426,21 @@ prototypes:
|
||||
unsigned long (*get_unmapped_area)(struct file *, unsigned long,
|
||||
unsigned long, unsigned long, unsigned long);
|
||||
int (*check_flags)(int);
|
||||
int (*flock) (struct file *, int, struct file_lock *);
|
||||
ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *,
|
||||
size_t, unsigned int);
|
||||
ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *,
|
||||
size_t, unsigned int);
|
||||
int (*setlease)(struct file *, long, struct file_lock **);
|
||||
};
|
||||
|
||||
locking rules:
|
||||
All may block.
|
||||
BKL
|
||||
llseek: no (see below)
|
||||
read: no
|
||||
aio_read: no
|
||||
write: no
|
||||
aio_write: no
|
||||
readdir: no
|
||||
poll: no
|
||||
unlocked_ioctl: no
|
||||
compat_ioctl: no
|
||||
mmap: no
|
||||
open: no
|
||||
flush: no
|
||||
release: no
|
||||
fsync: no (see below)
|
||||
aio_fsync: no
|
||||
fasync: no
|
||||
lock: yes
|
||||
readv: no
|
||||
writev: no
|
||||
sendfile: no
|
||||
sendpage: no
|
||||
get_unmapped_area: no
|
||||
check_flags: no
|
||||
All may block except for ->setlease.
|
||||
No VFS locks held on entry except for ->fsync and ->setlease.
|
||||
|
||||
->fsync() has i_mutex on inode.
|
||||
|
||||
->setlease has the file_list_lock held and must not sleep.
|
||||
|
||||
->llseek() locking has moved from llseek to the individual llseek
|
||||
implementations. If your fs is not using generic_file_llseek, you
|
||||
@@ -450,17 +450,10 @@ mutex or just to use i_size_read() instead.
|
||||
Note: this does not protect the file->f_pos against concurrent modifications
|
||||
since this is something the userspace has to take care about.
|
||||
|
||||
Note: ext2_release() was *the* source of contention on fs-intensive
|
||||
loads and dropping BKL on ->release() helps to get rid of that (we still
|
||||
grab BKL for cases when we close a file that had been opened r/w, but that
|
||||
can and should be done using the internal locking with smaller critical areas).
|
||||
Current worst offender is ext2_get_block()...
|
||||
|
||||
->fasync() is called without BKL protection, and is responsible for
|
||||
maintaining the FASYNC bit in filp->f_flags. Most instances call
|
||||
fasync_helper(), which does that maintenance, so it's not normally
|
||||
something one needs to worry about. Return values > 0 will be mapped to
|
||||
zero in the VFS layer.
|
||||
->fasync() is responsible for maintaining the FASYNC bit in filp->f_flags.
|
||||
Most instances call fasync_helper(), which does that maintenance, so it's
|
||||
not normally something one needs to worry about. Return values > 0 will be
|
||||
mapped to zero in the VFS layer.
|
||||
|
||||
->readdir() and ->ioctl() on directories must be changed. Ideally we would
|
||||
move ->readdir() to inode_operations and use a separate method for directory
|
||||
@@ -471,8 +464,6 @@ components. And there are other reasons why the current interface is a mess...
|
||||
->read on directories probably must go away - we should just enforce -EISDIR
|
||||
in sys_read() and friends.
|
||||
|
||||
->fsync() has i_mutex on inode.
|
||||
|
||||
--------------------------- dquot_operations -------------------------------
|
||||
prototypes:
|
||||
int (*write_dquot) (struct dquot *);
|
||||
@@ -507,12 +498,12 @@ prototypes:
|
||||
int (*access)(struct vm_area_struct *, unsigned long, void*, int, int);
|
||||
|
||||
locking rules:
|
||||
BKL mmap_sem PageLocked(page)
|
||||
open: no yes
|
||||
close: no yes
|
||||
fault: no yes can return with page locked
|
||||
page_mkwrite: no yes can return with page locked
|
||||
access: no yes
|
||||
mmap_sem PageLocked(page)
|
||||
open: yes
|
||||
close: yes
|
||||
fault: yes can return with page locked
|
||||
page_mkwrite: yes can return with page locked
|
||||
access: yes
|
||||
|
||||
->fault() is called when a previously not present pte is about
|
||||
to be faulted in. The filesystem must find and return the page associated
|
||||
@@ -539,6 +530,3 @@ VM_IO | VM_PFNMAP VMAs.
|
||||
|
||||
(if you break something or notice that it is broken and do not fix it yourself
|
||||
- at least put it here)
|
||||
|
||||
ipc/shm.c::shm_delete() - may need BKL.
|
||||
->read() and ->write() in many drivers are (probably) missing BKL.
|
||||
|
||||
@@ -1759,7 +1759,7 @@ and is between 256 and 4096 characters. It is defined in the file
|
||||
|
||||
nousb [USB] Disable the USB subsystem
|
||||
|
||||
nowatchdog [KNL] Disable the lockup detector.
|
||||
nowatchdog [KNL] Disable the lockup detector (NMI watchdog).
|
||||
|
||||
nowb [ARM]
|
||||
|
||||
@@ -2175,11 +2175,6 @@ and is between 256 and 4096 characters. It is defined in the file
|
||||
reset_devices [KNL] Force drivers to reset the underlying device
|
||||
during initialization.
|
||||
|
||||
resource_alloc_from_bottom
|
||||
Allocate new resources from the beginning of available
|
||||
space, not the end. If you need to use this, please
|
||||
report a bug.
|
||||
|
||||
resume= [SWSUSP]
|
||||
Specify the partition device for software suspend
|
||||
|
||||
|
||||
@@ -379,8 +379,8 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
|
||||
zero)
|
||||
|
||||
bool pm_runtime_suspended(struct device *dev);
|
||||
- return true if the device's runtime PM status is 'suspended', or false
|
||||
otherwise
|
||||
- return true if the device's runtime PM status is 'suspended' and its
|
||||
'power.disable_depth' field is equal to zero, or false otherwise
|
||||
|
||||
void pm_runtime_allow(struct device *dev);
|
||||
- set the power.runtime_auto flag for the device and decrease its usage
|
||||
|
||||
@@ -1044,9 +1044,9 @@ Details:
|
||||
|
||||
|
||||
/**
|
||||
* queuecommand - queue scsi command, invoke 'done' on completion
|
||||
* queuecommand - queue scsi command, invoke scp->scsi_done on completion
|
||||
* @shost: pointer to the scsi host object
|
||||
* @scp: pointer to scsi command object
|
||||
* @done: function pointer to be invoked on completion
|
||||
*
|
||||
* Returns 0 on success.
|
||||
*
|
||||
@@ -1074,42 +1074,45 @@ Details:
|
||||
*
|
||||
* Other types of errors that are detected immediately may be
|
||||
* flagged by setting scp->result to an appropriate value,
|
||||
* invoking the 'done' callback, and then returning 0 from this
|
||||
* function. If the command is not performed immediately (and the
|
||||
* LLD is starting (or will start) the given command) then this
|
||||
* function should place 0 in scp->result and return 0.
|
||||
* invoking the scp->scsi_done callback, and then returning 0
|
||||
* from this function. If the command is not performed
|
||||
* immediately (and the LLD is starting (or will start) the given
|
||||
* command) then this function should place 0 in scp->result and
|
||||
* return 0.
|
||||
*
|
||||
* Command ownership. If the driver returns zero, it owns the
|
||||
* command and must take responsibility for ensuring the 'done'
|
||||
* callback is executed. Note: the driver may call done before
|
||||
* returning zero, but after it has called done, it may not
|
||||
* return any value other than zero. If the driver makes a
|
||||
* non-zero return, it must not execute the command's done
|
||||
* callback at any time.
|
||||
* command and must take responsibility for ensuring the
|
||||
* scp->scsi_done callback is executed. Note: the driver may
|
||||
* call scp->scsi_done before returning zero, but after it has
|
||||
* called scp->scsi_done, it may not return any value other than
|
||||
* zero. If the driver makes a non-zero return, it must not
|
||||
* execute the command's scsi_done callback at any time.
|
||||
*
|
||||
* Locks: struct Scsi_Host::host_lock held on entry (with "irqsave")
|
||||
* and is expected to be held on return.
|
||||
* Locks: up to and including 2.6.36, struct Scsi_Host::host_lock
|
||||
* held on entry (with "irqsave") and is expected to be
|
||||
* held on return. From 2.6.37 onwards, queuecommand is
|
||||
* called without any locks held.
|
||||
*
|
||||
* Calling context: in interrupt (soft irq) or process context
|
||||
*
|
||||
* Notes: This function should be relatively fast. Normally it will
|
||||
* not wait for IO to complete. Hence the 'done' callback is invoked
|
||||
* (often directly from an interrupt service routine) some time after
|
||||
* this function has returned. In some cases (e.g. pseudo adapter
|
||||
* drivers that manufacture the response to a SCSI INQUIRY)
|
||||
* the 'done' callback may be invoked before this function returns.
|
||||
* If the 'done' callback is not invoked within a certain period
|
||||
* the SCSI mid level will commence error processing.
|
||||
* If a status of CHECK CONDITION is placed in "result" when the
|
||||
* 'done' callback is invoked, then the LLD driver should
|
||||
* perform autosense and fill in the struct scsi_cmnd::sense_buffer
|
||||
* Notes: This function should be relatively fast. Normally it
|
||||
* will not wait for IO to complete. Hence the scp->scsi_done
|
||||
* callback is invoked (often directly from an interrupt service
|
||||
* routine) some time after this function has returned. In some
|
||||
* cases (e.g. pseudo adapter drivers that manufacture the
|
||||
* response to a SCSI INQUIRY) the scp->scsi_done callback may be
|
||||
* invoked before this function returns. If the scp->scsi_done
|
||||
* callback is not invoked within a certain period the SCSI mid
|
||||
* level will commence error processing. If a status of CHECK
|
||||
* CONDITION is placed in "result" when the scp->scsi_done
|
||||
* callback is invoked, then the LLD driver should perform
|
||||
* autosense and fill in the struct scsi_cmnd::sense_buffer
|
||||
* array. The scsi_cmnd::sense_buffer array is zeroed prior to
|
||||
* the mid level queuing a command to an LLD.
|
||||
*
|
||||
* Defined in: LLD
|
||||
**/
|
||||
int queuecommand(struct scsi_cmnd * scp,
|
||||
void (*done)(struct scsi_cmnd *))
|
||||
int queuecommand(struct Scsi_Host *shost, struct scsi_cmnd * scp)
|
||||
|
||||
|
||||
/**
|
||||
|
||||
@@ -373,9 +373,18 @@ EVENT_PROCESS:
|
||||
print " $regex_lru_isolate/o\n";
|
||||
next;
|
||||
}
|
||||
my $isolate_mode = $1;
|
||||
my $nr_scanned = $4;
|
||||
my $nr_contig_dirty = $7;
|
||||
$perprocesspid{$process_pid}->{HIGH_NR_SCANNED} += $nr_scanned;
|
||||
|
||||
# To closer match vmstat scanning statistics, only count isolate_both
|
||||
# and isolate_inactive as scanning. isolate_active is rotation
|
||||
# isolate_inactive == 0
|
||||
# isolate_active == 1
|
||||
# isolate_both == 2
|
||||
if ($isolate_mode != 1) {
|
||||
$perprocesspid{$process_pid}->{HIGH_NR_SCANNED} += $nr_scanned;
|
||||
}
|
||||
$perprocesspid{$process_pid}->{HIGH_NR_CONTIG_DIRTY} += $nr_contig_dirty;
|
||||
} elsif ($tracepoint eq "mm_vmscan_lru_shrink_inactive") {
|
||||
$details = $5;
|
||||
|
||||
+18
-3
@@ -405,7 +405,7 @@ S: Supported
|
||||
F: drivers/usb/gadget/amd5536udc.*
|
||||
|
||||
AMD GEODE PROCESSOR/CHIPSET SUPPORT
|
||||
P: Jordan Crouse
|
||||
P: Andres Salomon <dilinger@queued.net>
|
||||
L: linux-geode@lists.infradead.org (moderated for non-subscribers)
|
||||
W: http://www.amd.com/us-en/ConnectivitySolutions/TechnicalResources/0,,50_2334_2452_11363,00.html
|
||||
S: Supported
|
||||
@@ -792,11 +792,14 @@ S: Maintained
|
||||
|
||||
ARM/NOMADIK ARCHITECTURE
|
||||
M: Alessandro Rubini <rubini@unipv.it>
|
||||
M: Linus Walleij <linus.walleij@stericsson.com>
|
||||
M: STEricsson <STEricsson_nomadik_linux@list.st.com>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
S: Maintained
|
||||
F: arch/arm/mach-nomadik/
|
||||
F: arch/arm/plat-nomadik/
|
||||
F: drivers/i2c/busses/i2c-nomadik.c
|
||||
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git
|
||||
|
||||
ARM/OPENMOKO NEO FREERUNNER (GTA02) MACHINE SUPPORT
|
||||
M: Nelson Castillo <arhuaco@freaks-unidos.net>
|
||||
@@ -998,12 +1001,24 @@ F: drivers/i2c/busses/i2c-stu300.c
|
||||
F: drivers/rtc/rtc-coh901331.c
|
||||
F: drivers/watchdog/coh901327_wdt.c
|
||||
F: drivers/dma/coh901318*
|
||||
F: drivers/mfd/ab3100*
|
||||
F: drivers/rtc/rtc-ab3100.c
|
||||
F: drivers/rtc/rtc-coh901331.c
|
||||
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git
|
||||
|
||||
ARM/U8500 ARM ARCHITECTURE
|
||||
ARM/Ux500 ARM ARCHITECTURE
|
||||
M: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
|
||||
M: Linus Walleij <linus.walleij@stericsson.com>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
S: Maintained
|
||||
F: arch/arm/mach-ux500/
|
||||
F: drivers/dma/ste_dma40*
|
||||
F: drivers/mfd/ab3550*
|
||||
F: drivers/mfd/abx500*
|
||||
F: drivers/mfd/ab8500*
|
||||
F: drivers/mfd/stmpe*
|
||||
F: drivers/rtc/rtc-ab8500.c
|
||||
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git
|
||||
|
||||
ARM/VFP SUPPORT
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
@@ -4590,7 +4605,7 @@ F: drivers/pcmcia/
|
||||
F: include/pcmcia/
|
||||
|
||||
PCNET32 NETWORK DRIVER
|
||||
M: Don Fry <pcnet32@verizon.net>
|
||||
M: Don Fry <pcnet32@frontier.com>
|
||||
L: netdev@vger.kernel.org
|
||||
S: Maintained
|
||||
F: drivers/net/pcnet32.c
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
VERSION = 2
|
||||
PATCHLEVEL = 6
|
||||
SUBLEVEL = 37
|
||||
EXTRAVERSION = -rc6
|
||||
EXTRAVERSION =
|
||||
NAME = Flesh-Eating Bats with Fangs
|
||||
|
||||
# *DOCUMENTATION*
|
||||
|
||||
@@ -352,3 +352,4 @@ struct pci_bus * __init it8152_pci_scan_bus(int nr, struct pci_sys_data *sys)
|
||||
return pci_scan_bus(nr, &it8152_ops, sys);
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL(dma_set_coherent_mask);
|
||||
|
||||
@@ -76,6 +76,7 @@ extern unsigned long it8152_base_address;
|
||||
IT8152_PD_IRQ(0) Audio controller (ACR)
|
||||
*/
|
||||
#define IT8152_IRQ(x) (IRQ_BOARD_START + (x))
|
||||
#define IT8152_LAST_IRQ (IRQ_BOARD_START + 40)
|
||||
|
||||
/* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
|
||||
#define IT8152_LD_IRQ_COUNT 9
|
||||
|
||||
@@ -25,9 +25,6 @@ extern void *kmap_high(struct page *page);
|
||||
extern void *kmap_high_get(struct page *page);
|
||||
extern void kunmap_high(struct page *page);
|
||||
|
||||
extern void *kmap_high_l1_vipt(struct page *page, pte_t *saved_pte);
|
||||
extern void kunmap_high_l1_vipt(struct page *page, pte_t saved_pte);
|
||||
|
||||
/*
|
||||
* The following functions are already defined by <linux/highmem.h>
|
||||
* when CONFIG_HIGHMEM is not set.
|
||||
|
||||
@@ -13,9 +13,6 @@
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
/* DO NOT EDIT!! - this file automatically generated
|
||||
* from .s file by awk -f s2h.awk
|
||||
*/
|
||||
/* Size definitions
|
||||
* Copyright (C) ARM Limited 1998. All rights reserved.
|
||||
*/
|
||||
@@ -25,6 +22,9 @@
|
||||
|
||||
/* handy sizes */
|
||||
#define SZ_16 0x00000010
|
||||
#define SZ_32 0x00000020
|
||||
#define SZ_64 0x00000040
|
||||
#define SZ_128 0x00000080
|
||||
#define SZ_256 0x00000100
|
||||
#define SZ_512 0x00000200
|
||||
|
||||
|
||||
@@ -150,6 +150,7 @@ extern unsigned int user_debug;
|
||||
#define rmb() dmb()
|
||||
#define wmb() mb()
|
||||
#else
|
||||
#include <asm/memory.h>
|
||||
#define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
|
||||
#define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
|
||||
#define wmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
|
||||
|
||||
@@ -29,6 +29,9 @@ ret_fast_syscall:
|
||||
ldr r1, [tsk, #TI_FLAGS]
|
||||
tst r1, #_TIF_WORK_MASK
|
||||
bne fast_work_pending
|
||||
#if defined(CONFIG_IRQSOFF_TRACER)
|
||||
asm_trace_hardirqs_on
|
||||
#endif
|
||||
|
||||
/* perform architecture specific actions before user return */
|
||||
arch_ret_to_user r1, lr
|
||||
@@ -65,6 +68,9 @@ ret_slow_syscall:
|
||||
tst r1, #_TIF_WORK_MASK
|
||||
bne work_pending
|
||||
no_work_pending:
|
||||
#if defined(CONFIG_IRQSOFF_TRACER)
|
||||
asm_trace_hardirqs_on
|
||||
#endif
|
||||
/* perform architecture specific actions before user return */
|
||||
arch_ret_to_user r1, lr
|
||||
|
||||
|
||||
@@ -310,7 +310,6 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
|
||||
* All kernel threads share the same mm context; grab a
|
||||
* reference and switch to it.
|
||||
*/
|
||||
atomic_inc(&mm->mm_users);
|
||||
atomic_inc(&mm->mm_count);
|
||||
current->active_mm = mm;
|
||||
cpumask_set_cpu(cpu, mm_cpumask(mm));
|
||||
|
||||
@@ -65,7 +65,7 @@ obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o
|
||||
obj-$(CONFIG_MACH_CPU9G20) += board-cpu9krea.o
|
||||
obj-$(CONFIG_MACH_STAMP9G20) += board-stamp9g20.o
|
||||
obj-$(CONFIG_MACH_PORTUXG20) += board-stamp9g20.o
|
||||
obj-$(CONFIG_MACH_PCONTROL_G20) += board-pcontrol-g20.o
|
||||
obj-$(CONFIG_MACH_PCONTROL_G20) += board-pcontrol-g20.o board-stamp9g20.o
|
||||
|
||||
# AT91SAM9260/AT91SAM9G20 board-specific support
|
||||
obj-$(CONFIG_MACH_SNAPPER_9260) += board-snapper9260.o
|
||||
|
||||
@@ -31,6 +31,7 @@
|
||||
|
||||
#include <mach/board.h>
|
||||
#include <mach/at91sam9_smc.h>
|
||||
#include <mach/stamp9g20.h>
|
||||
|
||||
#include "sam9_smc.h"
|
||||
#include "generic.h"
|
||||
@@ -38,11 +39,7 @@
|
||||
|
||||
static void __init pcontrol_g20_map_io(void)
|
||||
{
|
||||
/* Initialize processor: 18.432 MHz crystal */
|
||||
at91sam9260_initialize(18432000);
|
||||
|
||||
/* DGBU on ttyS0. (Rx, Tx) only TTL -> JTAG connector X7 17,19 ) */
|
||||
at91_register_uart(0, 0, 0);
|
||||
stamp9g20_map_io();
|
||||
|
||||
/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback A2 */
|
||||
at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS
|
||||
@@ -54,9 +51,6 @@ static void __init pcontrol_g20_map_io(void)
|
||||
|
||||
/* USART2 on ttyS3. (Rx, Tx) 9bit-Bus Multidrop-mode X4 */
|
||||
at91_register_uart(AT91SAM9260_ID_US4, 3, 0);
|
||||
|
||||
/* set serial console to ttyS0 (ie, DBGU) */
|
||||
at91_set_serial_console(0);
|
||||
}
|
||||
|
||||
|
||||
@@ -66,38 +60,6 @@ static void __init init_irq(void)
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* NAND flash 512MiB 1,8V 8-bit, sector size 128 KiB
|
||||
*/
|
||||
static struct atmel_nand_data __initdata nand_data = {
|
||||
.ale = 21,
|
||||
.cle = 22,
|
||||
.rdy_pin = AT91_PIN_PC13,
|
||||
.enable_pin = AT91_PIN_PC14,
|
||||
};
|
||||
|
||||
/*
|
||||
* Bus timings; unit = 7.57ns
|
||||
*/
|
||||
static struct sam9_smc_config __initdata nand_smc_config = {
|
||||
.ncs_read_setup = 0,
|
||||
.nrd_setup = 2,
|
||||
.ncs_write_setup = 0,
|
||||
.nwe_setup = 2,
|
||||
|
||||
.ncs_read_pulse = 4,
|
||||
.nrd_pulse = 4,
|
||||
.ncs_write_pulse = 4,
|
||||
.nwe_pulse = 4,
|
||||
|
||||
.read_cycle = 7,
|
||||
.write_cycle = 7,
|
||||
|
||||
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
|
||||
| AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
|
||||
.tdf_cycles = 3,
|
||||
};
|
||||
|
||||
static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
|
||||
.ncs_read_setup = 16,
|
||||
.nrd_setup = 18,
|
||||
@@ -138,14 +100,6 @@ static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
|
||||
.tdf_cycles = 1,
|
||||
} };
|
||||
|
||||
static void __init add_device_nand(void)
|
||||
{
|
||||
/* configure chip-select 3 (NAND) */
|
||||
sam9_smc_configure(3, &nand_smc_config);
|
||||
at91_add_device_nand(&nand_data);
|
||||
}
|
||||
|
||||
|
||||
static void __init add_device_pcontrol(void)
|
||||
{
|
||||
/* configure chip-select 4 (IO compatible to 8051 X4 ) */
|
||||
@@ -155,23 +109,6 @@ static void __init add_device_pcontrol(void)
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* MCI (SD/MMC)
|
||||
* det_pin, wp_pin and vcc_pin are not connected
|
||||
*/
|
||||
#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
|
||||
static struct mci_platform_data __initdata mmc_data = {
|
||||
.slot[0] = {
|
||||
.bus_width = 4,
|
||||
},
|
||||
};
|
||||
#else
|
||||
static struct at91_mmc_data __initdata mmc_data = {
|
||||
.wire4 = 1,
|
||||
};
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
* USB Host port
|
||||
*/
|
||||
@@ -265,42 +202,13 @@ static struct spi_board_info pcontrol_g20_spi_devices[] = {
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* Dallas 1-Wire DS2431
|
||||
*/
|
||||
static struct w1_gpio_platform_data w1_gpio_pdata = {
|
||||
.pin = AT91_PIN_PA29,
|
||||
.is_open_drain = 1,
|
||||
};
|
||||
|
||||
static struct platform_device w1_device = {
|
||||
.name = "w1-gpio",
|
||||
.id = -1,
|
||||
.dev.platform_data = &w1_gpio_pdata,
|
||||
};
|
||||
|
||||
static void add_wire1(void)
|
||||
{
|
||||
at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
|
||||
at91_set_multi_drive(w1_gpio_pdata.pin, 1);
|
||||
platform_device_register(&w1_device);
|
||||
}
|
||||
|
||||
|
||||
static void __init pcontrol_g20_board_init(void)
|
||||
{
|
||||
at91_add_device_serial();
|
||||
add_device_nand();
|
||||
#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
|
||||
at91_add_device_mci(0, &mmc_data);
|
||||
#else
|
||||
at91_add_device_mmc(0, &mmc_data);
|
||||
#endif
|
||||
stamp9g20_board_init();
|
||||
at91_add_device_usbh(&usbh_data);
|
||||
at91_add_device_eth(&macb_data);
|
||||
at91_add_device_i2c(pcontrol_g20_i2c_devices,
|
||||
ARRAY_SIZE(pcontrol_g20_i2c_devices));
|
||||
add_wire1();
|
||||
add_device_pcontrol();
|
||||
at91_add_device_spi(pcontrol_g20_spi_devices,
|
||||
ARRAY_SIZE(pcontrol_g20_spi_devices));
|
||||
|
||||
@@ -32,7 +32,7 @@
|
||||
#include "generic.h"
|
||||
|
||||
|
||||
static void __init portuxg20_map_io(void)
|
||||
void __init stamp9g20_map_io(void)
|
||||
{
|
||||
/* Initialize processor: 18.432 MHz crystal */
|
||||
at91sam9260_initialize(18432000);
|
||||
@@ -40,6 +40,24 @@ static void __init portuxg20_map_io(void)
|
||||
/* DGBU on ttyS0. (Rx & Tx only) */
|
||||
at91_register_uart(0, 0, 0);
|
||||
|
||||
/* set serial console to ttyS0 (ie, DBGU) */
|
||||
at91_set_serial_console(0);
|
||||
}
|
||||
|
||||
static void __init stamp9g20evb_map_io(void)
|
||||
{
|
||||
stamp9g20_map_io();
|
||||
|
||||
/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
|
||||
at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
|
||||
| ATMEL_UART_DTR | ATMEL_UART_DSR
|
||||
| ATMEL_UART_DCD | ATMEL_UART_RI);
|
||||
}
|
||||
|
||||
static void __init portuxg20_map_io(void)
|
||||
{
|
||||
stamp9g20_map_io();
|
||||
|
||||
/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
|
||||
at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
|
||||
| ATMEL_UART_DTR | ATMEL_UART_DSR
|
||||
@@ -56,26 +74,6 @@ static void __init portuxg20_map_io(void)
|
||||
|
||||
/* USART5 on ttyS6. (Rx, Tx only) */
|
||||
at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
|
||||
|
||||
/* set serial console to ttyS0 (ie, DBGU) */
|
||||
at91_set_serial_console(0);
|
||||
}
|
||||
|
||||
static void __init stamp9g20_map_io(void)
|
||||
{
|
||||
/* Initialize processor: 18.432 MHz crystal */
|
||||
at91sam9260_initialize(18432000);
|
||||
|
||||
/* DGBU on ttyS0. (Rx & Tx only) */
|
||||
at91_register_uart(0, 0, 0);
|
||||
|
||||
/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
|
||||
at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
|
||||
| ATMEL_UART_DTR | ATMEL_UART_DSR
|
||||
| ATMEL_UART_DCD | ATMEL_UART_RI);
|
||||
|
||||
/* set serial console to ttyS0 (ie, DBGU) */
|
||||
at91_set_serial_console(0);
|
||||
}
|
||||
|
||||
static void __init init_irq(void)
|
||||
@@ -156,7 +154,7 @@ static struct at91_udc_data __initdata portuxg20_udc_data = {
|
||||
.pullup_pin = 0, /* pull-up driven by UDC */
|
||||
};
|
||||
|
||||
static struct at91_udc_data __initdata stamp9g20_udc_data = {
|
||||
static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
|
||||
.vbus_pin = AT91_PIN_PA22,
|
||||
.pullup_pin = 0, /* pull-up driven by UDC */
|
||||
};
|
||||
@@ -190,7 +188,7 @@ static struct gpio_led portuxg20_leds[] = {
|
||||
}
|
||||
};
|
||||
|
||||
static struct gpio_led stamp9g20_leds[] = {
|
||||
static struct gpio_led stamp9g20evb_leds[] = {
|
||||
{
|
||||
.name = "D8",
|
||||
.gpio = AT91_PIN_PB18,
|
||||
@@ -250,7 +248,7 @@ void add_w1(void)
|
||||
}
|
||||
|
||||
|
||||
static void __init generic_board_init(void)
|
||||
void __init stamp9g20_board_init(void)
|
||||
{
|
||||
/* Serial */
|
||||
at91_add_device_serial();
|
||||
@@ -262,34 +260,40 @@ static void __init generic_board_init(void)
|
||||
#else
|
||||
at91_add_device_mmc(0, &mmc_data);
|
||||
#endif
|
||||
/* USB Host */
|
||||
at91_add_device_usbh(&usbh_data);
|
||||
/* Ethernet */
|
||||
at91_add_device_eth(&macb_data);
|
||||
/* I2C */
|
||||
at91_add_device_i2c(NULL, 0);
|
||||
/* W1 */
|
||||
add_w1();
|
||||
}
|
||||
|
||||
static void __init portuxg20_board_init(void)
|
||||
{
|
||||
generic_board_init();
|
||||
/* SPI */
|
||||
at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
|
||||
stamp9g20_board_init();
|
||||
/* USB Host */
|
||||
at91_add_device_usbh(&usbh_data);
|
||||
/* USB Device */
|
||||
at91_add_device_udc(&portuxg20_udc_data);
|
||||
/* Ethernet */
|
||||
at91_add_device_eth(&macb_data);
|
||||
/* I2C */
|
||||
at91_add_device_i2c(NULL, 0);
|
||||
/* SPI */
|
||||
at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
|
||||
/* LEDs */
|
||||
at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
|
||||
}
|
||||
|
||||
static void __init stamp9g20_board_init(void)
|
||||
static void __init stamp9g20evb_board_init(void)
|
||||
{
|
||||
generic_board_init();
|
||||
stamp9g20_board_init();
|
||||
/* USB Host */
|
||||
at91_add_device_usbh(&usbh_data);
|
||||
/* USB Device */
|
||||
at91_add_device_udc(&stamp9g20_udc_data);
|
||||
at91_add_device_udc(&stamp9g20evb_udc_data);
|
||||
/* Ethernet */
|
||||
at91_add_device_eth(&macb_data);
|
||||
/* I2C */
|
||||
at91_add_device_i2c(NULL, 0);
|
||||
/* LEDs */
|
||||
at91_gpio_leds(stamp9g20_leds, ARRAY_SIZE(stamp9g20_leds));
|
||||
at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));
|
||||
}
|
||||
|
||||
MACHINE_START(PORTUXG20, "taskit PortuxG20")
|
||||
@@ -305,7 +309,7 @@ MACHINE_START(STAMP9G20, "taskit Stamp9G20")
|
||||
/* Maintainer: taskit GmbH */
|
||||
.boot_params = AT91_SDRAM_BASE + 0x100,
|
||||
.timer = &at91sam926x_timer,
|
||||
.map_io = stamp9g20_map_io,
|
||||
.map_io = stamp9g20evb_map_io,
|
||||
.init_irq = init_irq,
|
||||
.init_machine = stamp9g20_board_init,
|
||||
.init_machine = stamp9g20evb_board_init,
|
||||
MACHINE_END
|
||||
|
||||
@@ -658,7 +658,7 @@ static void __init at91_upll_usbfs_clock_init(unsigned long main_clock)
|
||||
/* Now set uhpck values */
|
||||
uhpck.parent = &utmi_clk;
|
||||
uhpck.pmc_mask = AT91SAM926x_PMC_UHP;
|
||||
uhpck.rate_hz = utmi_clk.parent->rate_hz;
|
||||
uhpck.rate_hz = utmi_clk.rate_hz;
|
||||
uhpck.rate_hz /= 1 + ((at91_sys_read(AT91_PMC_USB) & AT91_PMC_OHCIUSBDIV) >> 8);
|
||||
}
|
||||
|
||||
|
||||
@@ -74,6 +74,8 @@
|
||||
#define AT91_MCI_TRTYP_BLOCK (0 << 19)
|
||||
#define AT91_MCI_TRTYP_MULTIPLE (1 << 19)
|
||||
#define AT91_MCI_TRTYP_STREAM (2 << 19)
|
||||
#define AT91_MCI_TRTYP_SDIO_BYTE (4 << 19)
|
||||
#define AT91_MCI_TRTYP_SDIO_BLOCK (5 << 19)
|
||||
|
||||
#define AT91_MCI_BLKR 0x18 /* Block Register */
|
||||
#define AT91_MCI_BLKR_BCNT(n) ((0xffff & (n)) << 0) /* Block count */
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user