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Commits on Jan 24, 2008
  1. Linux 2.6.24

    Linus Torvalds authored
  2. spi: omap2_mcspi PIO RX fix

    Kalle Valo authored Linus Torvalds committed
    Before transmission of the last word in PIO RX_ONLY mode rx+tx mode
    is enabled:
    
    	/* prevent last RX_ONLY read from triggering
    	 * more word i/o: switch to rx+tx
    	 */
    	if (c == 0 && tx == NULL)
    		mcspi_write_cs_reg(spi,
    				OMAP2_MCSPI_CHCONF0, l);
    
    But because c is decremented after the test, c will never be zero and
    rx+tx will not be enabled. This breaks RX_ONLY mode PIO transfers.
    
    Fix it by decrementing c in the beginning of the various I/O loops.
    
    Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
    Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  3. Revert "mac80211: warn when receiving frames with unaligned data"

    Linus Torvalds authored
    This reverts commit 81100eb for the
    release, to avoid the unnecessary warning noise that is only really
    relevant to wireless driver developers.
    
    The warning will probably go right back in after I cut the release, but
    at least we won't unnecessarily worry users.
    
    Acked-by: John W. Linville <linville@tuxdriver.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  4. Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

    Linus Torvalds authored
    * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
      [SPARC64]: Partially revert "Constify function pointer tables."
  5. Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/g…

    Linus Torvalds authored
    …it/lenb/linux-acpi-2.6
    
    * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
      Revert "ACPI: Fan: Drop force_power_state acpi_device option"
      ACPI: EC: "DEBUG" needs to be defined earlier
      ACPI: EC: add leading zeros to debug messages
      ACPI: EC: fix dmesg spam regression
      ACPI: DMI blacklist to reduce console warnings on OSI(Linux) systems.
      ACPI: Add ThinkPad R61, ThinkPad T61 to OSI(Linux) white-list
      ACPI: make _OSI(Linux) console messages smarter
      ACPI: Delete Intel Customer Reference Board (CRB) from OSI(Linux) DMI list
      ACPI: on OSI(Linux), print needed DMI rather than requesting dmidecode output
      ACPI: create acpi_dmi_dump()
      DMI: create dmi_get_slot()
      DMI: move dmi_available declaration to linux/dmi.h
      ACPI: processor: Fix null pointer dereference in throttling
  6. @gormanm

    slab: partially revert list3 changes

    gormanm authored Linus Torvalds committed
    Partial revert the changes made by 04231b3
    to the kmem_list3 management. On a machine with a memoryless node, this
    BUG_ON was triggering
    
    	static void *____cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
    	{
    		struct list_head *entry;
    		struct slab *slabp;
    		struct kmem_list3 *l3;
    		void *obj;
    		int x;
    
    		l3 = cachep->nodelists[nodeid];
    		BUG_ON(!l3);
    
    Signed-off-by: Mel Gorman <mel@csn.ul.ie>
    Cc: Pekka Enberg <penberg@cs.helsinki.fi>
    Acked-by: Christoph Lameter <clameter@sgi.com>
    Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
    Cc: Nishanth Aravamudan <nacc@us.ibm.com>
    Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  7. fix hugepages leak due to pagetable page sharing

    Larry Woodman authored Linus Torvalds committed
    The shared page table code for hugetlb memory on x86 and x86_64
    is causing a leak.  When a user of hugepages exits using this code
    the system leaks some of the hugepages.
    
    -------------------------------------------------------
    Part of /proc/meminfo just before database startup:
    HugePages_Total:  5500
    HugePages_Free:   5500
    HugePages_Rsvd:      0
    Hugepagesize:     2048 kB
    
    Just before shutdown:
    HugePages_Total:  5500
    HugePages_Free:   4475
    HugePages_Rsvd:      0
    Hugepagesize:     2048 kB
    
    After shutdown:
    HugePages_Total:  5500
    HugePages_Free:   4988
    HugePages_Rsvd:
    0 Hugepagesize:     2048 kB
    ----------------------------------------------------------
    
    The problem occurs durring a fork, in copy_hugetlb_page_range().  It
    locates the dst_pte using huge_pte_alloc().  Since huge_pte_alloc() calls
    huge_pmd_share() it will share the pmd page if can, yet the main loop in
    copy_hugetlb_page_range() does a get_page() on every hugepage.  This is a
    violation of the shared hugepmd pagetable protocol and creates additional
    referenced to the hugepages causing a leak when the unmap of the VMA
    occurs.  We can skip the entire replication of the ptes when the hugepage
    pagetables are shared.  The attached patch skips copying the ptes and the
    get_page() calls if the hugetlbpage pagetable is shared.
    
    [akpm@linux-foundation.org: coding-style cleanups]
    Signed-off-by: Larry Woodman <lwoodman@redhat.com>
    Signed-off-by: Adam Litke <agl@us.ibm.com>
    Cc: Badari Pulavarty <pbadari@us.ibm.com>
    Cc: Ken Chen <kenchen@google.com>
    Cc: David Gibson <david@gibson.dropbear.id.au>
    Cc: William Lee Irwin III <wli@holomorphy.com>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  8. @ebiederm

    sysctl: kill binary sysctl KERN_PPC_L2CR

    ebiederm authored Linus Torvalds committed
    : Stefan Roese <sr@denx.de> said:
    > ppc: 4xx: sysctl table check failed: /kernel/l2cr .1.31 Missing strategy
    >
    > I'm seeing this error message when booting an recent arch/ppc kernel on
    > 4xx platforms (tested on Ocotea and other 4xx platforms). Booting NFS
    > rootfs still works fine, but this message kind of makes me "nervous".
    > This is not seen on 4xx arch/powerpc platforms. Here the bootlog:
    
    Because the data field was never filled and a binary sysctl handler was
    never written this sysctl has never been usable through the sys_sysctl
    interface.  So just remove the binary sysctl number.  Making the kernel
    sanity checks happy.
    
    Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
    Reported-by: Stefan Roese <sr@denx.de>
    Cc: Josh Boyer <jwboyer@gmail.com>
    Cc: Wolfgang Denk <wd@denx.de>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  9. @fenrus75

    lockdep: fix kernel crash on module unload

    fenrus75 authored Linus Torvalds committed
    Michael Wu noticed in his lkml post at
    
        http://marc.info/?l=linux-kernel&m=119396182726091&w=2
    
    that certain wireless drivers ended up having their name in module
    memory, which would then crash the kernel on module unload.
    
    The patch he proposed was a bit clumsy in that it increased the size of
    a lockdep entry significantly; the patch below tries another approach,
    it checks, on module teardown, if the name of a class is in module space
    and then zaps the class.  This is very similar to what we already do
    with keys that are in module space.
    
    Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  10. @davem330

    [SPARC64]: Partially revert "Constify function pointer tables."

    davem330 authored
    This partially reverts 872e2be
    (Constify function pointer tables.)
    
    The solaris/socksys.c transformation wasn't valid:
    
    arch/sparc64/solaris/socksys.c:192: error: assignment of read-only variable ‘socksys_file_ops’
    arch/sparc64/solaris/socksys.c:195: error: assignment of read-only variable ‘socksys_file_ops’
    arch/sparc64/solaris/socksys.c:196: error: assignment of read-only variable ‘socksys_file_ops’
    
    Signed-off-by: David S. Miller <davem@davemloft.net>
  11. @lenb
  12. @lenb
  13. @lenb
  14. @lenb
  15. @lenb

    Revert "ACPI: Fan: Drop force_power_state acpi_device option"

    lenb authored
    This reverts commit 93ad7c0.
    
    http://bugzilla.kernel.org/show_bug.cgi?id=9798
    
    Signed-off-by: Len Brown <len.brown@intel.com>
  16. @lenb

    ACPI: EC: "DEBUG" needs to be defined earlier

    Márton Németh authored lenb committed
    The "DEBUG" symbol needs to be defined before #including <linux/kernel.h> to
    get the pr_debug() working.
    
    Signed-off-by: Márton Németh <nm127@freemail.hu>
    Signed-off-by: Len Brown <len.brown@intel.com>
  17. @lenb

    ACPI: EC: add leading zeros to debug messages

    Márton Németh authored lenb committed
    Add leading zeros to pr_debug() calls. For example if x=0x0a, the format
    "0x%2x" will result the string "0x a", the format "0x%2.2x" will result "0x0a".
    
    Signed-off-by: Márton Németh <nm127@freemail.hu>
    Signed-off-by: Len Brown <len.brown@intel.com>
  18. @lenb

    ACPI: EC: fix dmesg spam regression

    Alexey Starikovskiy authored lenb committed
    Return OBF_1 optimization workaround
    
    http://bugzilla.kernel.org/show_bug.cgi?id=8459
    
    Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
    Signed-off-by: Len Brown <len.brown@intel.com>
  19. Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

    Linus Torvalds authored
    * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
      [SPARC]: Constify function pointer tables.
      [SPARC64]: Fix section error in sparcspkr
      [SPARC64]: Fix of section mismatch warnings.
  20. Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

    Linus Torvalds authored
    * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
      sis190: scheduling while atomic error
      sis190: mdio operation failure is not correctly detected
      sis190: remove duplicate INIT_WORK
      sis190: add cmos ram access code for the SiS19x/968 chipset pair
      [INET]: Fix truesize setting in ip_append_data
      [NETNS]: Re-export init_net via EXPORT_SYMBOL.
      iwlwifi: fix possible read attempt on ucode that is not available
      [IPV4]: Add missing skb->truesize increment in ip_append_page().
      [TULIP] DMFE: Fix SROM parsing regression.
      [BLUETOOTH]: Move children of connection device to NULL before connection down.
  21. @lenb

    ACPI: DMI blacklist to reduce console warnings on OSI(Linux) systems.

    lenb authored
    This DMI blacklist reduces the console messages
    on systems which have a BIOS that invokes OSI(Linux).
    
    As the DMI blacklist already knows about these systems,
    the request for DMI info itself is disabled.
    
    Further, if OSI(Linux) has already been determined
    to have no beneift, we disable the console message
    requesting acpi_osi=Linux test results.
    
    Signed-off-by: Len Brown <len.brown@intel.com>
  22. @lenb

    ACPI: Add ThinkPad R61, ThinkPad T61 to OSI(Linux) white-list

    lenb authored
    acpi_osi=Linux helps sound on these systems.
    
    Signed-off-by: Len Brown <len.brown@intel.com>
  23. @lenb

    ACPI: make _OSI(Linux) console messages smarter

    lenb authored
    If BIOS invokes _OSI(Linux), the kernel response
    depends on what the ACPI DMI list knows about the system,
    and that is reflectd in dmesg:
    
    1) System unknown to DMI:
    
    ACPI: BIOS _OSI(Linux) query ignored
    ACPI: DMI System Vendor: LENOVO
    ACPI: DMI Product Name: 7661W1P
    ACPI: DMI Product Version: ThinkPad T61
    ACPI: DMI Board Name: 7661W1P
    ACPI: DMI BIOS Vendor: LENOVO
    ACPI: DMI BIOS Date: 10/18/2007
    ACPI: Please send DMI info above to linux-acpi@vger.kernel.org
    ACPI: If "acpi_osi=Linux" works better, please notify linux-acpi@vger.kernel.org
    
    2) System known to DMI, but effect of OSI(Linux) unknown:
    
    ACPI: DMI detected: Lenovo ThinkPad T61
    ...
    ACPI: BIOS _OSI(Linux) query ignored via DMI
    ACPI: If "acpi_osi=Linux" works better, please notify linux-acpi@vger.kernel.org
    
    3) System known to DMI, which disables _OSI(Linux):
    
    ACPI: DMI detected: Lenovo ThinkPad T61
    ...
    ACPI: BIOS _OSI(Linux) query ignored via DMI
    
    4) System known to DMI, which enable _OSI(Linux):
    
    ACPI: DMI detected: Lenovo ThinkPad T61
    ACPI: Added _OSI(Linux)
    ...
    ACPI: BIOS _OSI(Linux) query honored via DMI
    
    cmdline overrides take precidence over the built-in
    default and the DMI prescribed default.
    cmdline "acpi_osi=Linux" results in:
    
    ACPI: BIOS _OSI(Linux) query honored via cmdline
    
    Signed-off-by: Len Brown <len.brown@intel.com>
  24. @lenb

    ACPI: Delete Intel Customer Reference Board (CRB) from OSI(Linux) DMI…

    lenb authored
    … list
    
    Linux does not want BIOS writers to invoke _OSI(Linux) -
    for in the field it causes more Windows incompatibility problems
    than it solves.
    
    So when it is seen in the BIOS for an Intel Customer Reference Board,
    Linux should ignore its effect by default, and should complain loudly.
    Otherwise, the reference BIOS will go unfixed, and the bad BIOS
    will spread to the field.
    
    Users of this board can get the old behavior with "acpi_osi=Linux"
    
    As this was the only entry, delete acpi_osl_dmi_table[].
    
    Signed-off-by: Len Brown <len.brown@intel.com>
  25. @lenb

    ACPI: on OSI(Linux), print needed DMI rather than requesting dmidecod…

    lenb authored
    …e output
    
    Signed-off-by: Len Brown <len.brown@intel.com>
  26. @lenb

    ACPI: create acpi_dmi_dump()

    lenb authored
    A utility routine to print common entries used
    for ACPI-related DMI blacklist entries.
    
    Signed-off-by: Len Brown <len.brown@intel.com>
  27. @lenb

    DMI: create dmi_get_slot()

    lenb authored
    This simply allows other sub-systems (such as ACPI)
    to access and print out slots in static dmi_ident[].
    
    Signed-off-by: Len Brown <len.brown@intel.com>
  28. @lenb

    DMI: move dmi_available declaration to linux/dmi.h

    lenb authored
    Signed-off-by: Len Brown <len.brown@intel.com>
  29. Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixe…

    Linus Torvalds authored
    …s-2.6
    
    * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
      [SCSI] initio: fix module hangs on loading
  30. drm/i915: add support for E7221 chipset

    Carlos Martín authored Linus Torvalds committed
    E7221 chipset is a server version of the i915.
    
    Signed-off-by: Dave Airlie <airlied@linux.ie>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  31. agp/intel: add support for E7221 chipset

    Carlos Martín authored Linus Torvalds committed
    The E7221 chipset is a 915 rebadged for the Intel server line.
    
    Signed-off-by: Dave Airlie <airlied@linux.ie>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  32. @jsgf

    xen: disable vcpu_info placement for now

    jsgf authored Linus Torvalds committed
    There have been several reports of Xen guest domains locking up when
    using vcpu_info structure placement.  Disable it for now.
    
    Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commits on Jan 23, 2008
  1. [SCSI] initio: fix module hangs on loading

    Stuart Swales authored James Bottomley committed
    I've verified (on my Initio 9100 with a DAT drive) that the
    2.6.24-rc8-git6 initio module still hangs on loading.
    
    These fixes (other than the printk) are needed to get the module to load
    ok (and work correctly) with my adapter & tape drive.
    
    a) printk cosmetic fix
    
    b) cblk->sglen needs setting for later DMA I/O routines to use
    
    c) host->bios_addr needs setting for debug output correctness
    
    d) semaph & semaph_lock initialisation had got lost since 2.6.22
    
    e) since 2.6.22 the bios data address was truncated to 16 bits (needs 20
    when shifted left)
    
    Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
  2. Update ctime and mtime for memory-mapped files

    Anton Salikhmetov authored Linus Torvalds committed
    Update ctime and mtime for memory-mapped files at a write access on
    a present, read-only PTE, as well as at a write on a non-present PTE.
    
    Signed-off-by: Anton Salikhmetov <salikhmetov@gmail.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  3. @davem330

    sis190: scheduling while atomic error

    Francois Romieu authored davem330 committed
    sis190_tx_timeout
    -> sis190_hw_start
       -> sis190_soft_reset
          -> msleep *splat*
    
    PCI transactions are correctly flushed here.
    The msleep() is probably useless.
    
    Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
    Cc: K.M. Liu <kmliu@sis.com.tw>
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