1. 29 Oct, 2002 40 commits
    • Patrick Mochel's avatar
      sysfs: make symlinks easier. · 0862416e
      Patrick Mochel authored
      It's now
      
      int sysfs_create_link(struct kobject * kobj, struct kobject * target, char * name)
      
      So, the caller doesn't have to determine the path of the target nor the depth of
      the object we're creating the symlink for; it's all taken care of.
      0862416e
    • Patrick Mochel's avatar
      Merge osdl.org:/home/mochel/src/kernel/devel/linux-2.5-virgin · d2f8eca7
      Patrick Mochel authored
      into osdl.org:/home/mochel/src/kernel/devel/linux-2.5-kobject
      d2f8eca7
    • Randy Dunlap's avatar
      [PATCH] remove double-init in /proc/ksyms · d8c084f9
      Randy Dunlap authored
      This removes a small thinko (2 of: n = *pos) in kernel/module.c's
      s_start() function.
      d8c084f9
    • Alexander Viro's avatar
      [PATCH] more shm/loop updates · dd53e3fa
      Alexander Viro authored
      Ok, with this simple fix loop builds and loop works no worse than the
      old shm/loop approach (better - it does boot).
      
      However, both 2.4.44+ and this animal have the same and rather odd
      breakage in loop-over-device.  Loop-over-file works fine, but loop over
      device gives random crap on reads.  And no, it's not a problem with
      underlying device itself - something happens in loop.c.
      
      I'm going down right now, so I'll be back in several hours and will try
      to debug it.  Hopefully by the morning I'll have a fix.
      dd53e3fa
    • John Levon's avatar
      [PATCH] fix oprofile multiple counters · b69c3847
      John Levon authored
      This ensures we deal properly with multiple perfctr overflow interrupts
      under high load.
      b69c3847
    • John Levon's avatar
      [PATCH] add oprofile to MAINTAINERS · d48dde40
      John Levon authored
      d48dde40
    • Brian Gerst's avatar
      [PATCH] factor common GCC options check · 8978d683
      Brian Gerst authored
      Make the test for supported GCC options into a macro, and add new checks
      for -march={winchip-c6,winchip2,c3}.
      8978d683
    • Rusty Russell's avatar
      [PATCH] Get rid of check_resource() before it becomes a problem · 5b8e28f3
      Rusty Russell authored
      The new resource interface foolishly replicated the (obsolete,
      racy) spirit of the check_region call as check_resource.  You
      should use request_resource/release_resource instead.
      5b8e28f3
    • Alexander Viro's avatar
      [PATCH] compile fixes · d5c74234
      Alexander Viro authored
      d5c74234
    • Adam Kropelin's avatar
      [PATCH] sd.c major number off-by-one · 06a9b8fe
      Adam Kropelin authored
      Fix an off-by-one error in the simplified SD_MAJOR macro which not only
      botches up the sd majors but also steals away the major used by my
      favorite slow-than-dirt SCSI RAID controller: cpqarray. Please, can I
      have it back?
      06a9b8fe
    • Alexander Viro's avatar
      [PATCH] loop/shmfs fixes · 5e5ac463
      Alexander Viro authored
       - add lo->lo_blocksize
       - kill lo_get_bs() - great name, but...
       - set ->lo_device only if we do have a block device
       - pull determination of ->lo_blocksize into both branches - bdev
         variant gets it from lo_device and file one uses ->i_blocksize.
       - switched the ioctl getting information about underlying object
         to lo->lo_device ? stat.rdev : stat.dev
       - i.e. st_rdev of underlying object if it's a device and st_dev - if it's
         a file.
       - reverted the bogosity in shmem.c
      5e5ac463
    • Patrick Mochel's avatar
      sysfs: marry api with struct kobject. · eda52025
      Patrick Mochel authored
      This works on obviating the need for a separate data type to describe a sysfs
      directory (which was renamed from struct driver_dir_entry to struct sysfs_dir).
      
      All sysfs creation and removal functions now take a struct kobject, instead
      of a struct sysfs_dir. This kobject is embedded in ->d_fsdata of the directory.
      
      sysfs_create_dir() takes only 1 parameter now: the object that we're creating
      the directory for. The parent dentry is derived by looking at the object's 
      parent. 
      
      sysfs_create_file() takes the object as the first parameter, and the attribute
      as the second, which makes more sense from an API perspective. 
      
      sysfs_remove_file() now takes an attribute as a second parameter, to be 
      consistent with the creation function.
      
      sysfs_remove_link() is created, which is basically the old sysfs_remove_file().
      (symlinks don't have an attribute associated with them; only a name, which was
      prohibiting the previous change). 
      
      open() and close() look for a kobject now, and do refcounting directly on the
      object. Because of that, we don't need the ->open() and ->close() callbacks
      in struct sysfs_ops, so they've been removed. 
      
      read() and write() also now look for a kobject now. 
      
      The comments have been updated, too. 
      eda52025
    • Neil Brown's avatar
      159ecf44
    • Patrick Mochel's avatar
    • Patrick Mochel's avatar
      introduce struct kobject: simple, generic object for embedding in other structures. · 736c7efc
      Patrick Mochel authored
      This is not meant to be fancy; just something simple for which we can 
      control the refcount and other common functionality using common code. 
         
      The basic operations for registration and reference count manipulation are
      included. 
      736c7efc
    • Linus Torvalds's avatar
      Merge http://gkernel.bkbits.net/misc-2.5 · 972b8494
      Linus Torvalds authored
      into penguin.transmeta.com:/home/penguin/torvalds/repositories/kernel/linux
      972b8494
    • Jeff Garzik's avatar
    • Jeff Garzik's avatar
      Merge redhat.com:/home/jgarzik/repo/linus-2.5 · f144c7fc
      Jeff Garzik authored
      into redhat.com:/home/jgarzik/repo/misc-2.5
      f144c7fc
    • Andrew Morton's avatar
      [PATCH] tmpfs: support loopback · 7fc97e8d
      Andrew Morton authored
      Patch from Hugh Dickins
      
      Added shmem_readpage and shmem_prepare_write so tmpfs files can be used
      by the loop driver (together with simple_commit_write).  shmem_getpage
      extended to accept file page passed in, which may have to be copied
      over from swap page.
      
      Use bdget and sb_set_blocksize so loop can see our preferred blocksize
      PAGE_CACHE_SIZE.  Use copy_highpage, removed from highmem.h in 2.4.17:
      restore it but with kmap_atomics.  Restore (a simple) copy_page to
      asm-sparc64/page.h, which alone of all arches discarded it.
      7fc97e8d
    • Andrew Morton's avatar
      [PATCH] tmpfs: shmem_getpage missing flush_dcache_page · f013c26d
      Andrew Morton authored
      Patch from Hugh Dickins
      
      From Matthew Wilcox <willy@debian.org>: shmem_getpage must
      flush_dcache_page after allocating and clearing a new page.
      f013c26d
    • Andrew Morton's avatar
      [PATCH] tmpfs: shmem_file_write update · e666acdf
      Andrew Morton authored
      Patch from Hugh Dickins
      
      Checked shmem_file_write against recent filemap source, and against
      2.4 and 2.4-ac: folded in missing fixes, mostly related to far file
      positions.  Plus the new kmap_atomic copying technique.  But for now,
      as before, no mark_page_accessed or SetPageReferenced in shmem.c: add
      those, or whatever, later on when akpm has reviewed usage elsewhere.
      e666acdf
    • Andrew Morton's avatar
      [PATCH] tmpfs: shmem_file_sendfile · 2f28cc35
      Andrew Morton authored
      Patch from Hugh Dickins
      
      Added shmem_file_sendfile to allow sendfile from tmpfs.  Checked
      do_shmem_file_read and shmem_file_read against filemap equivalents
      to add in any recent fixes (-EINVAL when count < 0 was missing).
      2f28cc35
    • Andrew Morton's avatar
      [PATCH] tmpfs: shmem fs cleanup · 1956960b
      Andrew Morton authored
      Patch from Hugh Dickins
      
      Remove obsolete shmem_fs_type: we were in some doubt whether safe yet
      to do so, then found 2.5.4 typo changed it from 2.4's "shm" to "shmem"
      ever since: nobody complained, delete it - we're "tmpfs" since 2.4.4.
      Use libfs' simple_empty and simple_sync_file instead of homegrown.
      Remove exit_shmem_fs, it fools people that this might be a module.
      Allow for faint possibility that shm_mnt could not be initialized.
      1956960b
    • Andrew Morton's avatar
      [PATCH] tmpfs: shmem_getpage reading holes · 2671b00a
      Andrew Morton authored
      Patch from Hugh Dickins
      
      Here I intended a patch to remove the unsatisfactory shmem_recalc_inode
      (which tries to work out when vmscan has freed undirtied hole pages,
      to relax its blocks-in-use limit; but can only do so per-inode when it
      needs to be per-super).  I had hoped to use the releasepage method, but
      it looks like it can't quite be bent to this task, the page might still
      be rebusied after release.  2.4-ac uses a removepage method dedicated to
      this, but I'm reluctant to ask for such a minor address_space_operation.
      
      So, leave shmem_recalc_inode as is, but avoid the issue as much as
      possible, by letting shmem_getpage use the empty_zero_page instead of
      allocating when a hole is read (but this cannot be done when it's being
      mapped, nowadays the nopage doesn't know if page will be copied or not).
      Whereupon shmem_getpage(,,,SGP_READ) can do partial trunc's holdpage.
      2671b00a
    • Andrew Morton's avatar
      [PATCH] tmpfs: shmem_getpage beyond eof · 3c840525
      Andrew Morton authored
      Patch from Hugh Dickins
      
      The last set of tmpfs patches left shmem_getpage with an inadequate
      next_index test to guard against races with truncation.  Now remove
      that check and settle the issue with checks against i_size within
      shmem_swp_alloc, which needs to know whether reading or writing.
      3c840525
    • Andrew Morton's avatar
      [PATCH] tmpfs: shmem_getpage unlock_page · e7e27221
      Andrew Morton authored
      Patch from Hugh Dickins
      
      shmem_getpage does need to lock its page (to secure it against
      shmem_writepage), but it's easier for its callers if it unlocks
      before returning.  The only caller who appeared to be using the
      page lock was shmem_file_write, but it wasn't actually protecting
      against anything - i_sem prevents concurrent writes and truncates,
      and do_shmem_file_read was dropping the lock before copying anyway.
      e7e27221
    • Alexander Viro's avatar
      [PATCH] removal of root_dev_names[] · 51924607
      Alexander Viro authored
       - name_to_kdev_t() turned into name_to_dev_t(), callers updated.
       - table of names is gone, we use driverfs instead.
      
       - root name is converted to dev_t only at prepare_namespace() time - we
         use to do it in setup and we need it after driver initialization.  So
         setup only stores the root name and leaves the work to
         prepare_namespace().
      
       - disk names for rd and cm206 changed to match the old behaviour of
         root= parser: ramdisks have ram<n> in ->disk_name now (instead of
         rd<n>) and cm206 - cm206cd (instead of cm206).
      51924607
    • Pavel Machek's avatar
      [PATCH] swsusp updates · 82b3980b
      Pavel Machek authored
      This uses better constraints that do not go through the register
      unneccessarily.
      82b3980b
    • Pavel Machek's avatar
      [PATCH] swsusp -- small fixes · 24cc3559
      Pavel Machek authored
      Do not oops when no swapfile is available and make it compile on
      DISCONTIGMEM machines.
      24cc3559
    • Brian Gerst's avatar
      [PATCH] i386 __verify_write fixes · d7952bdd
      Brian Gerst authored
      This patch does a few cleanups/fixes with __verify_write:
       - Only compile it when needed.
       - Move test for KERNEL_DS out of line.
       - The mmap semaphore is needed to access the vma list.
       - Use fixmap for the WP test.
       - Removes an obsolete comment in fixmap.h
      d7952bdd
    • Brian Gerst's avatar
      [PATCH] remove __verify_write from sh arch · 10531a52
      Brian Gerst authored
      It was copied from i386 and is unused.
      10531a52
    • Christoph Hellwig's avatar
      83e1ce3f
    • Brian Gerst's avatar
      [PATCH] make x86 ptrace use init_fpu() · f8542e1c
      Brian Gerst authored
      This fixes PTRACE_GETFPREGS to initilize the fpu struct correctly on
      cpus with fxsr, as well as removing redundant code.
      f8542e1c
    • Alexander Viro's avatar
      [PATCH] gendisk fixes · 22dda8bf
      Alexander Viro authored
       - fixes an idiocy with floppy_find() et.al. - they forgot to set
         *part to 0.  As the result, open() on anything other than fd0 had
         lead to interesting effects...
      
       - fixes off-by-1 in set_disk_ro().
      22dda8bf
    • Linus Torvalds's avatar
      Fix up horribly wrong test in new copy-to-user() · b3caff53
      Linus Torvalds authored
      implementation. The optimized versions only work
      for large areas, make sure we don't use them for
      anything else.
      b3caff53
    • Linus Torvalds's avatar
      Fix ACPI frequency states to not play games with the · 808c016c
      Linus Torvalds authored
      configuration system, and instead just cleanly show
      the dependency.
      808c016c
    • Christoph Hellwig's avatar
      [PATCH] sanitize intel movsl selection · 51b14c76
      Christoph Hellwig authored
      The ifdef <actual cpu selection> is very bad style, we usually introduce
      feature CONFIG_ options in config.in instead.
      51b14c76
    • Linus Torvalds's avatar
      Merge bk://linuxusb.bkbits.net/pci_hp-2.5 · 1d4123ec
      Linus Torvalds authored
      into penguin.transmeta.com:/home/penguin/torvalds/repositories/kernel/linux
      1d4123ec
    • Linus Torvalds's avatar
      Merge bk://linuxusb.bkbits.net/pnp-2.5 · 4a554b57
      Linus Torvalds authored
      into penguin.transmeta.com:/home/penguin/torvalds/repositories/kernel/linux
      4a554b57
    • Greg Kroah-Hartman's avatar
      Merge kroah.com:/home/greg/linux/BK/bleeding_edge-2.5 · 7694db54
      Greg Kroah-Hartman authored
      into kroah.com:/home/greg/linux/BK/pci_hp-2.5
      7694db54