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authorYinghai Lu <Yinghai.Lu@Sun.COM>2008-02-07 18:06:17 -0500
committerJeff Garzik <jeff@garzik.org>2008-02-11 14:30:01 -0500
commit8f71efe25f8718200027b547a3e749ae3300fe60 (patch)
treec94344aea68e513f1ade6ff479b8dba2fdd1c0d4 /drivers/cpuidle
parent4055dee7f525a702a060ea08a3fb9f045317355f (diff)
sata_mv: fix loop with last port
commit f351b2d638c3cb0b95adde3549b7bfaf3f991dfa sata_mv: Support SoC controllers cause panic: scsi 4:0:0:0: Direct-Access ATA HITACHI HDS7225S V44O PQ: 0 ANSI: 5 sd 4:0:0:0: [sde] 488390625 512-byte hardware sectors (250056 MB) sd 4:0:0:0: [sde] Write Protect is off sd 4:0:0:0: [sde] Mode Sense: 00 3a 00 00 sd 4:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 4:0:0:0: [sde] 488390625 512-byte hardware sectors (250056 MB) sd 4:0:0:0: [sde] Write Protect is off sd 4:0:0:0: [sde] Mode Sense: 00 3a 00 00 sd 4:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sde:<1>BUG: unable to handle kernel NULL pointer dereference at 000000000000001a IP: [<ffffffff806262c7>] mv_interrupt+0x21c/0x4cc PGD 0 Oops: 0000 [1] SMP CPU 3 Modules linked in: Pid: 0, comm: swapper Not tainted 2.6.24-smp-08636-g0afc2ed-dirty #26 RIP: 0010:[<ffffffff806262c7>] [<ffffffff806262c7>] mv_interrupt+0x21c/0x4cc RSP: 0000:ffff8102050bbec8 EFLAGS: 00010297 RAX: 0000000000000008 RBX: 0000000000000000 RCX: 0000000000000003 RDX: 0000000000008000 RSI: 0000000000000286 RDI: ffff8102035180e0 RBP: 0000000000000001 R08: 0000000000000003 R09: ffff8102036613e0 R10: 0000000000000002 R11: ffffffff8061474c R12: ffff8102035bf828 R13: 0000000000000008 R14: ffff81020348ece8 R15: ffffc20002cb2000 FS: 0000000000000000(0000) GS:ffff810405025700(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 000000000000001a CR3: 0000000000201000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 0, threadinfo ffff810405094000, task ffff8102050b28c0) Stack: 000000010000000c 0002040000220400 0000001100000002 ffff81020348eda8 0000000000000001 ffff8102035f2cc0 0000000000000000 0000000000000000 0000000000000018 0000000000000000 0000000000000000 ffffffff80269ee8 Call Trace: <IRQ> [<ffffffff80269ee8>] ? handle_IRQ_event+0x25/0x53 [<ffffffff8026b393>] ? handle_fasteoi_irq+0x90/0xc8 [<ffffffff802218e2>] ? do_IRQ+0xf1/0x15f [<ffffffff8021df24>] ? default_idle+0x0/0x55 [<ffffffff8021f361>] ? ret_from_intr+0x0/0xa <EOI> [<ffffffff8023010c>] ? lapic_next_event+0x0/0xa [<ffffffff8021df55>] ? default_idle+0x31/0x55 [<ffffffff8021df50>] ? default_idle+0x2c/0x55 [<ffffffff8021df24>] ? default_idle+0x0/0x55 [<ffffffff8021e00b>] ? cpu_idle+0x92/0xb8 Code: 41 14 85 c0 89 44 24 14 0f 84 9d 02 00 00 f7 d0 01 d6 41 89 d5 89 41 14 8b 41 14 89 34 24 e9 7e 02 00 00 49 63 c5 49 8b 5c c6 48 <f6> 43 1a 80 4c 8b a3 20 37 00 00 0f 85 62 02 00 00 31 c9 41 83 RIP [<ffffffff806262c7>] mv_interrupt+0x21c/0x4cc RSP <ffff8102050bbec8> CR2: 000000000000001a ---[ end trace 2583b5f7a5350584 ]--- Kernel panic - not syncing: Aiee, killing interrupt handler! last_port already include port0 base. this patch change use last_port directly, and move pp assignment later. Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/cpuidle')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-15 19:27:50 -0400
both dnotify and inotify. * * We don't compile any of this away in some complicated menagerie of ifdefs. * Instead, we rely on the code inside to optimize away as needed. * * (C) Copyright 2005 Robert Love */ #include <linux/fsnotify_backend.h> #include <linux/audit.h> #include <linux/slab.h> /* * fsnotify_d_instantiate - instantiate a dentry for inode */ static inline void fsnotify_d_instantiate(struct dentry *dentry, struct inode *inode) { __fsnotify_d_instantiate(dentry, inode); } /* Notify this dentry's parent about a child's events. */ static inline int fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask) { if (!dentry) dentry = path->dentry; return __fsnotify_parent(path, dentry, mask); } /* simple call site for access decisions */ static inline int fsnotify_perm(struct file *file, int mask) { struct path *path = &file->f_path; struct inode *inode = path->dentry->d_inode; __u32 fsnotify_mask = 0; int ret; if (file->f_mode & FMODE_NONOTIFY) return 0; if (!(mask & (MAY_READ | MAY_OPEN))) return 0; if (mask & MAY_OPEN) fsnotify_mask = FS_OPEN_PERM; else if (mask & MAY_READ) fsnotify_mask = FS_ACCESS_PERM; else BUG(); ret = fsnotify_parent(path, NULL, fsnotify_mask); if (ret) return ret; return fsnotify(inode, fsnotify_mask, path, FSNOTIFY_EVENT_PATH, NULL, 0); } /* * fsnotify_d_move - dentry has been moved */ static inline void fsnotify_d_move(struct dentry *dentry) { /* * On move we need to update dentry->d_flags to indicate if the new parent * cares about events from this dentry. */ __fsnotify_update_dcache_flags(dentry); } /* * fsnotify_link_count - inode's link count changed */ static inline void fsnotify_link_count(struct inode *inode) { fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL, 0); } /* * fsnotify_move - file old_name at old_dir was moved to new_name at new_dir */ static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir, const unsigned char *old_name, int isdir, struct inode *target, struct dentry *moved) { struct inode *source = moved->d_inode; u32 fs_cookie = fsnotify_get_cookie(); __u32 old_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_FROM); __u32 new_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_TO); const unsigned char *new_name = moved->d_name.name; if (old_dir == new_dir) old_dir_mask |= FS_DN_RENAME; if (isdir) { old_dir_mask |= FS_ISDIR; new_dir_mask |= FS_ISDIR; } fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name, fs_cookie); fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name, fs_cookie); if (target) fsnotify_link_count(target); if (source) fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0); audit_inode_child(moved, new_dir); } /* * fsnotify_inode_delete - and inode is being evicted from cache, clean up is needed */ static inline void fsnotify_inode_delete(struct inode *inode) { __fsnotify_inode_delete(inode); } /* * fsnotify_vfsmount_delete - a vfsmount is being destroyed, clean up is needed */ static inline void fsnotify_vfsmount_delete(struct vfsmount *mnt) { __fsnotify_vfsmount_delete(mnt); } /* * fsnotify_nameremove - a filename was removed from a directory */ static inline void fsnotify_nameremove(struct dentry *dentry, int isdir) { __u32 mask = FS_DELETE; if (isdir) mask |= FS_ISDIR; fsnotify_parent(NULL, dentry, mask); } /* * fsnotify_inoderemove - an inode is going away */ static inline void fsnotify_inoderemove(struct inode *inode) { fsnotify(inode, FS_DELETE_SELF, inode, FSNOTIFY_EVENT_INODE, NULL, 0); __fsnotify_inode_delete(inode); } /* * fsnotify_create - 'name' was linked in */ static inline void fsnotify_create(struct inode *inode, struct dentry *dentry) { audit_inode_child(dentry, inode); fsnotify(inode, FS_CREATE, dentry->d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0); } /* * fsnotify_link - new hardlink in 'inode' directory * Note: We have to pass also the linked inode ptr as some filesystems leave * new_dentry->d_inode NULL and instantiate inode pointer later */ static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct dentry *new_dentry) { fsnotify_link_count(inode); audit_inode_child(new_dentry, dir); fsnotify(dir, FS_CREATE, inode, FSNOTIFY_EVENT_INODE, new_dentry->d_name.name, 0); } /* * fsnotify_mkdir - directory 'name' was created */ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry) { __u32 mask = (FS_CREATE | FS_ISDIR); struct inode *d_inode = dentry->d_inode; audit_inode_child(dentry, inode); fsnotify(inode, mask, d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0); } /* * fsnotify_access - file was read */ static inline void fsnotify_access(struct file *file) { struct path *path = &file->f_path; struct inode *inode = path->dentry->d_inode; __u32 mask = FS_ACCESS; if (S_ISDIR(inode->i_mode)) mask |= FS_ISDIR; if (!(file->f_mode & FMODE_NONOTIFY)) { fsnotify_parent(path, NULL, mask); fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0); } } /* * fsnotify_modify - file was modified */ static inline void fsnotify_modify(struct file *file) { struct path *path = &file->f_path; struct inode *inode = path->dentry->d_inode; __u32 mask = FS_MODIFY; if (S_ISDIR(inode->i_mode)) mask |= FS_ISDIR; if (!(file->f_mode & FMODE_NONOTIFY)) { fsnotify_parent(path, NULL, mask); fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0); } } /* * fsnotify_open - file was opened */ static inline void fsnotify_open(struct file *file) { struct path *path = &file->f_path; struct inode *inode = path->dentry->d_inode; __u32 mask = FS_OPEN; if (S_ISDIR(inode->i_mode)) mask |= FS_ISDIR; fsnotify_parent(path, NULL, mask); fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0); } /* * fsnotify_close - file was closed */ static inline void fsnotify_close(struct file *file) { struct path *path = &file->f_path; struct inode *inode = file->f_path.dentry->d_inode; fmode_t mode = file->f_mode; __u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE; if (S_ISDIR(inode->i_mode)) mask |= FS_ISDIR; if (!(file->f_mode & FMODE_NONOTIFY)) { fsnotify_parent(path, NULL, mask); fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0); } } /* * fsnotify_xattr - extended attributes were changed */ static inline void fsnotify_xattr(struct dentry *dentry) { struct inode *inode = dentry->d_inode; __u32 mask = FS_ATTRIB; if (S_ISDIR(inode->i_mode)) mask |= FS_ISDIR; fsnotify_parent(NULL, dentry, mask); fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0); } /* * fsnotify_change - notify_change event. file was modified and/or metadata * was changed. */ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid) { struct inode *inode = dentry->d_inode; __u32 mask = 0; if (ia_valid & ATTR_UID) mask |= FS_ATTRIB; if (ia_valid & ATTR_GID) mask |= FS_ATTRIB; if (ia_valid & ATTR_SIZE) mask |= FS_MODIFY; /* both times implies a utime(s) call */ if ((ia_valid & (ATTR_ATIME | ATTR_MTIME)) == (ATTR_ATIME | ATTR_MTIME)) mask |= FS_ATTRIB; else if (ia_valid & ATTR_ATIME) mask |= FS_ACCESS; else if (ia_valid & ATTR_MTIME) mask |= FS_MODIFY; if (ia_valid & ATTR_MODE) mask |= FS_ATTRIB; if (mask) { if (S_ISDIR(inode->i_mode)) mask |= FS_ISDIR; fsnotify_parent(NULL, dentry, mask); fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0); } } #if defined(CONFIG_FSNOTIFY) /* notify helpers */ /* * fsnotify_oldname_init - save off the old filename before we change it */ static inline const unsigned char *fsnotify_oldname_init(const unsigned char *name) { return kstrdup(name, GFP_KERNEL); } /* * fsnotify_oldname_free - free the name we got from fsnotify_oldname_init */ static inline void fsnotify_oldname_free(const unsigned char *old_name) { kfree(old_name); } #else /* CONFIG_FSNOTIFY */ static inline const char *fsnotify_oldname_init(const unsigned char *name) { return NULL; } static inline void fsnotify_oldname_free(const unsigned char *old_name) { } #endif /* CONFIG_FSNOTIFY */ #endif /* _LINUX_FS_NOTIFY_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-15 19:27:50 -0400