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* vt: fix background color on line feedJan Engelhardt2008-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A command that causes a line feed while a background color is active, such as perl -e 'print "x" x 60, "\e[44m", "x" x 40, "\e[0m\n"' and perl -e 'print "x" x 40, "\e[44m\n", "x" x 40, "\e[0m\n"' causes the line that was started as a result of the line feed to be completely filled with the currently active background color instead of the default color. When scrolling, part of the current screen is memcpy'd/memmove'd to the new region, and the new line(s) that will appear as a result are cleared using memset. However, the lines are cleared with vc->vc_video_erase_char, causing them to be colored with the currently active background color. This is different from X11 terminal emulators which always paint the new lines with the default background color (e.g. `xterm -bg black`). The clear operation (\e[1J and \e[2J) also use vc_video_erase_char, so a new vc->vc_scrl_erase_char is introduced with contains the erase character used for scrolling, which is built from vc->vc_def_color instead of vc->vc_color. Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* isolate ratelimit from printk.c for other useDave Young2008-04-29
| | | | | | | | | | | | Due to the rcupreempt.h WARN_ON trigged, I got 2G syslog file. For some serious complaining of kernel, we need repeat the warnings, so here I isolate the ratelimit part of printk.c to a standalone file. Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Tested-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* xattr: add missing consts to function argumentsDavid Howells2008-04-29
| | | | | | | | | Add missing consts to xattr function arguments. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Andreas Gruenbacher <agruen@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* smb.h: uses struct timespec but didn't include linux/time.hIlpo Järvinen2008-04-29
| | | | | | Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* lists: add "const" qualifier to first arg of list_splice() operationsRobert P. J. Day2008-04-29
| | | | | | | | | | Since neither the list_splice() nor __list_splice() routines modify their first argument, might as well declare them "const". [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kbuild: move files that don't check __KERNEL__Robert P. J. Day2008-04-29
| | | | | | | | | | | Move files that don't check __KERNEL__ from unifdef-y to header-y. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kbuild: remove duplicate, conflicting entry for oom.hRobert P. J. Day2008-04-29
| | | | | | | | | | | oom.h is already tagged for unifdef'ing, so its entry as a simple exportable header should be deleted. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Remove superfluous include of string.h from percpu.hRobert P. J. Day2008-04-29
| | | | | | | | | There's nothing in percpu.h that requires an explicit inclusion of string.h. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* binfmt_misc.c: avoid potential kernel stack overflowPavel Emelyanov2008-04-29
| | | | | | | | | | | | | | | | | | | | | | This can be triggered with root help only, but... Register the ":text:E::txt::/root/cat.txt:' rule in binfmt_misc (by root) and try launching the cat.txt file (by anyone) :) The result is - the endless recursion in the load_misc_binary -> open_exec -> load_misc_binary chain and stack overflow. There's a similar problem with binfmt_script, and there's a sh_bang memner on linux_binprm structure to handle this, but simply raising this in binfmt_misc may break some setups when the interpreter of some misc binaries is a script. So the proposal is to turn sh_bang into a bit, add a new one (the misc_bang) and raise it in load_misc_binary. After this, even if we set up the misc -> script -> misc loop for binfmts one of them will step on its own bang and exit. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* proper extern for late_time_initAdrian Bunk2008-04-29
| | | | | | | | | | | Add a proper extern for late_time_init in include/linux/init.h Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* exec: remove argv_len from struct linux_binprmTetsuo Handa2008-04-29
| | | | | | | | | | | | | | | | | | | | | | | | I noticed that 2.6.24.2 calculates bprm->argv_len at do_execve(). But it doesn't update bprm->argv_len after "remove_arg_zero() + copy_strings_kernel()" at load_script() etc. audit_bprm() is called from search_binary_handler() and search_binary_handler() is called from load_script() etc. Thus, I think the condition check if (bprm->argv_len > (audit_argv_kb << 10)) return -E2BIG; in audit_bprm() might return wrong result when strlen(removed_arg) != strlen(spliced_args). Why not update bprm->argv_len at load_script() etc. ? By the way, 2.6.25-rc3 seems to not doing the condition check. Is the field bprm->argv_len no longer needed? Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Ollie Wild <aaw@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Remove the macro get_personalityWANG Cong2008-04-29
| | | | | | | | | | | | Remove the macro get_personality, use ->personality instead. Cc: Christoph Hellwig <hch@infradead.org Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: David Howells <dhowells@redhat.com> Cc: Bryan Wu <bryan.wu@analog.com> Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Misc: phantom, consistent whitespacejan sonnek2008-04-29
| | | | | | | | | Make it consistent with the rest of the header. Signed-off-by: jan sonnek <xsonnek@gmail.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Misc: phantom, add compat ioctlJiri Slaby2008-04-29
| | | | | | | | | | | Openhaptics uses pointers in _IOC() macros, implement compat for them. Also add _IOC alternatives which are not 32/64 bit dependent (structures passed through aren't yet) -- libphantom will use them. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* proper __do_softirq() prototypeAdrian Bunk2008-04-29
| | | | | | | | | Add a proper prototype for __do_softirq() in include/linux/interrupt.h Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* remove mca_is_adapter_used()Adrian Bunk2008-04-29
| | | | | | | | | Remove the no longer used mca_is_adapter_used(). Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* remove generic_commit_write()Adrian Bunk2008-04-29
| | | | | | | | | Remove the obsolete and no longer used generic_commit_write(). Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/aio.c: make 3 functions staticAdrian Bunk2008-04-29
| | | | | | | | | | | | | | | Make the following needlessly global functions static: - __put_ioctx() - lookup_ioctx() - io_submit_one() Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Zach Brown <zach.brown@oracle.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/drop_caches.c: make 2 functions staticAdrian Bunk2008-04-29
| | | | | | | | | | | Make the following needlessly global functions static: - drop_pagecache() - drop_slab() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/fs-writeback.c: make 2 functions staticAdrian Bunk2008-04-29
| | | | | | | | | | | Make the following needlessly global functions static: - writeback_acquire() - writeback_release() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* make vfs_ioctl() staticAdrian Bunk2008-04-29
| | | | | | | | | Make the needlessly global vfs_ioctl() static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* make __put_super() staticAdrian Bunk2008-04-29
| | | | | | | | Make the needlessly global __put_super() static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* cpu: fix section mismatch warnings in hotcpu_registerSam Ravnborg2008-04-29
| | | | | | | | | | | | | | | | | | | | Fix following warnings: WARNING: vmlinux.o(.data+0x5020): Section mismatch in reference from the variable cpu_vsyscall_notifier_nb.12876 to the function .cpuinit.text:cpu_vsyscall_notifier() WARNING: vmlinux.o(.data+0x9ce0): Section mismatch in reference from the variable profile_cpu_callback_nb.17654 to the function .devinit.text:profile_cpu_callback() WARNING: vmlinux.o(.data+0xd380): Section mismatch in reference from the variable workqueue_cpu_callback_nb.15004 to the function .devinit.text:workqueue_cpu_callback() WARNING: vmlinux.o(.data+0x11d00): Section mismatch in reference from the variable relay_hotcpu_callback_nb.19626 to the function .cpuinit.text:relay_hotcpu_callback() WARNING: vmlinux.o(.data+0x12970): Section mismatch in reference from the variable cpu_callback_nb.24694 to the function .devinit.text:cpu_callback() WARNING: vmlinux.o(.data+0x3fee0): Section mismatch in reference from the variable percpu_counter_hotcpu_callback_nb.10903 to the function .cpuinit.text:percpu_counter_hotcpu_callback() WARNING: vmlinux.o(.data+0x74ce0): Section mismatch in reference from the variable topology_cpu_callback_nb.12506 to the function .cpuinit.text:topology_cpu_callback() Functions used as argument are by definition only used in HOTPLUG_CPU situations so thay are annotated __cpuinit. Annotate the static variable used by hotcpu_register with __cpuinitdata to match this definition. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* add RUSAGE_THREADSripathi Kodi2008-04-29
| | | | | | | | | | | | | | | Add the RUSAGE_THREAD option for the getrusage system call. This is essentially Roland's patch from http://lkml.org/lkml/2008/1/18/589, but the line about RUSAGE_LWP line has been removed, as suggested by Ulrich and Christoph. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Michael Kerrisk <mtk.manpages@googlemail.com> Cc: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Taint kernel after WARN_ON(condition)Nur Hussein2008-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The kernel is sent to tainted within the warn_on_slowpath() function, and whenever a warning occurs the new taint flag 'W' is set. This is useful to know if a warning occurred before a BUG by preserving the warning as a flag in the taint state. This does not work on architectures where WARN_ON has its own definition. These archs are: 1. s390 2. superh 3. avr32 4. parisc The maintainers of these architectures have been added in the Cc: list in this email to alert them to the situation. The documentation in oops-tracing.txt has been updated to include the new flag. Signed-off-by: Nur Hussein <nurhussein@gmail.com> Cc: Arjan van de Ven <arjan@infradead.org> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/coda: remove static inline forward declarationsIlpo Järvinen2008-04-29
| | | | | | | | | | | They're defined later on in the same file with bodies and nothing in between needs them. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Avoid divides in BITS_TO_LONGSEric Dumazet2008-04-29
| | | | | | | | | | | | | | | | | BITS_PER_LONG is a signed value (32 or 64) DIV_ROUND_UP(nr, BITS_PER_LONG) performs signed arithmetic if "nr" is signed too. Converting BITS_TO_LONGS(nr) to DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) makes sure compiler can perform a right shift, even if "nr" is a signed value, instead of an expensive integer divide. Applying this patch saves 141 bytes on x86 when CONFIG_CC_OPTIMIZE_FOR_SIZE=y and speedup bitmap operations. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mm: fix misleading __GFP_REPEAT related commentsNishanth Aravamudan2008-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | The definition and use of __GFP_REPEAT, __GFP_NOFAIL and __GFP_NORETRY in the core VM have somewhat differing comments as to their actual semantics. Annoyingly, the flags definition has inline and header comments, which might be interpreted as not being equivalent. Just add references to the header comments in the inline ones so they don't go out of sync in the future. In their use in __alloc_pages() clarify that the current implementation treats low-order allocations and __GFP_REPEAT allocations as distinct cases. To clarify, the flags' semantics are: __GFP_NORETRY means try no harder than one run through __alloc_pages __GFP_REPEAT means __GFP_NOFAIL __GFP_NOFAIL means repeat forever order <= PAGE_ALLOC_COSTLY_ORDER means __GFP_NOFAIL Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds2008-04-28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (35 commits) siimage: coding style cleanup (take 2) ide-cd: clean up cdrom_analyze_sense_data() ide-cd: fix test unsigned var < 0 ide: add TSSTcorp CDDVDW SH-S202H to ivb_list[] piix: add Asus Eee 701 controller to short cable list ARM: always select HAVE_IDE remove the broken ETRAX_IDE driver ide: remove ->dma_prdtable field from ide_hwif_t ide: remove ->dma_vendor{1,3} fields from ide_hwif_t scc_pata: add ->dma_host_set and ->dma_start methods ide: skip "VLB sync" if host uses MMIO ide: add ide_pad_transfer() helper ide: remove ->INW and ->OUTW methods ide: use IDE I/O helpers directly in ide_tf_{load,read}() ns87415: add ->tf_read method scc_pata: add ->tf_{load,read} methods ide-h8300: add ->tf_{load,read} methods ide-cris: add ->tf_{load,read} methods ide: add ->tf_load and ->tf_read methods ide: move ide_tf_{load,read} to ide-iops.c ...
| * ide: remove ->dma_prdtable field from ide_hwif_tBartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * Use 'hwif->dma_base + {4,8}' instead of hwif->dma_prdtable in {ide,scc}_dma_setup(). * Remove no longer needed ->dma_prdtable field from ide_hwif_t. While at it: * Use ATA_DMA_TABLE_OFS define. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * ide: remove ->dma_vendor{1,3} fields from ide_hwif_tBartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | * Use 'hwif->dma_base + {1,3}' instead of hwif->dma_vendor{1,3} in pdc202xx_new host driver. * Remove no longer needed ->dma_vendor{1,3} fields from ide_hwif_t. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * ide: add ide_pad_transfer() helperBartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | * Add ide_pad_transfer() helper (which uses ->{in,out}put_data methods internally so the transfer is also padded to drive+host requirements) and use it instead of ide_atapi_{write_zeros,discard_data}(). * Remove no longer needed ide_atapi_{write_zeros,discard_data}(). Cc: Borislav Petkov <petkovbb@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * ide: remove ->INW and ->OUTW methodsBartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | | | * Remove no longer used ->INW and ->OUTW methods. While at it: * scc_pata.c: scc_ide_{out,in}w() is called only in scc_tf_{load,read}() so inline it there. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * ide: add ->tf_load and ->tf_read methodsBartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add ->tf_load and ->tf_read methods to ide_hwif_t and set the default methods in default_hwif_transport(). * Use ->tf_{load,read} instead o calling ide_tf_{load,read}() directly. * Make ide_tf_{load,read}() static. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * ide: factor out debugging code from ide_tf_load()Bartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | Factor out debugging code from ide_tf_load() to ide_tf_dump() helper and update ide_tf_load() users accordingly. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * ide: add ide_execute_pkt_cmd() helperBartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | Add ide_execute_pkt_cmd() helper for executing PACKET command, then convert ATAPI device drivers to use it. As a nice side-effect this fixes ide-{floppy,tape,scsi} w.r.t. ide_lock taking (ide-cd was OK). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * ide: remove ->INS{W,L} and ->OUTS{W,L} methodsBartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | * Use ins{w,l}()/outs{w,l}() and __ide_mm_ins{w,l}()/__ide_mm_outs{w,l}() directly in ata_{in,out}put_data() (by using IDE_HFLAG_MMIO host flag to decide which I/O ops are required). * Remove no longer needed ->INS{W,L} and ->OUTS{W,L} methods (ide-h8300, au1xxx-ide and scc_pata implement their own ->{in,out}put_data methods). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * ide: add IDE_HFLAG_MMIO host flag (take 2)Bartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add IDE_HFLAG_MMIO host flag and set it for hosts which use default_hwif_mmiops(). v2: * Fix kernel panic in pmac host driver (',' should be '|'). Thanks to Kamalesh for reporting it + testing the fix and to Andrew for hinting me about the source of the issue. Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * ide: merge ->atapi_*put_bytes and ->ata_*put_data methodsBartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Merge ->atapi_{in,out}put_bytes and ->ata_{in,out}put_data methods into new ->{in,out}put_data methods which take number of bytes to transfer as an argument and always do padding. While at it: * Use 'hwif' or 'drive->hwif' instead of 'HWIF(drive)'. There should be no functional changes caused by this patch (all users of ->ata_{in,out}put_data methods were using multiply-of-4 word counts). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * falconide/q40ide: add ->atapi_*put_bytes and ->ata_*put_data methods (take 2)Bartlomiej Zolnierkiewicz2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add ->atapi_{in,out}put_bytes and ->ata_{in,out}put_data methods to falconide and q40ide host drivers (->ata_* methods are implemented on top of ->atapi_* methods so they also do byte-swapping now). * Cleanup atapi_{in,out}put_bytes(). v2: * Add 'struct request *rq' argument to ->ata_{in,out}put_data methods and don't byte-swap disk fs requests (we shouldn't un-swap fs requests because fs itself is stored byte-swapped on the disk) - this is how things were done before the patch (ideally device mapper should be used instead but it would break existing setups and would have some performance impact). Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michael Schmitz <schmitz@debian.org> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Richard Zidlicky <rz@linux-m68k.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* | Merge branch 'for-linus' of ↵Linus Torvalds2008-04-28
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: slub: pack objects denser slub: Calculate min_objects based on number of processors. slub: Drop DEFAULT_MAX_ORDER / DEFAULT_MIN_OBJECTS slub: Simplify any_slab_object checks slub: Make the order configurable for each slab cache slub: Drop fallback to page allocator method slub: Fallback to minimal order during slab page allocation slub: Update statistics handling for variable order slabs slub: Add kmem_cache_order_objects struct slub: for_each_object must be passed the number of objects in a slab slub: Store max number of objects in the page struct. slub: Dump list of objects not freed on kmem_cache_close() slub: free_list() cleanup slub: improve kmem_cache_destroy() error message slob: fix bug - when slob allocates "struct kmem_cache", it does not force alignment.
| * slub: Fallback to minimal order during slab page allocationChristoph Lameter2008-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If any higher order allocation fails then fall back the smallest order necessary to contain at least one object. This enables fallback for all allocations to order 0 pages. The fallback will waste more memory (objects will not fit neatly) and the fallback slabs will be not as efficient as larger slabs since they contain less objects. Note that SLAB also depends on order 1 allocations for some slabs that waste too much memory if forced into PAGE_SIZE'd page. SLUB now can now deal with failing order 1 allocs which SLAB cannot do. Add a new field min that will contain the objects for the smallest possible order for a slab cache. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
| * slub: Update statistics handling for variable order slabsChristoph Lameter2008-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the statistics to consider that slabs of the same slabcache can have different number of objects in them since they may be of different order. Provide a new sysfs field total_objects which shows the total objects that the allocated slabs of a slabcache could hold. Add a max field that holds the largest slab order that was ever used for a slab cache. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
| * slub: Add kmem_cache_order_objects structChristoph Lameter2008-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pack the order and the number of objects into a single word. This saves some memory in the kmem_cache_structure and more importantly allows us to fetch both values atomically. Later the slab orders become runtime configurable and we need to fetch these two items together in order to properly allocate a slab and initialize its objects. Fix the race by fetching the order and the number of objects in one word. [penberg@cs.helsinki.fi: fix memset() page order in new_slab()] Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
| * slub: Store max number of objects in the page struct.Christoph Lameter2008-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Split the inuse field up to be able to store the number of objects in this page in the page struct as well. Necessary if we want to have pages of various orders for a slab. Also avoids touching struct kmem_cache cachelines in __slab_alloc(). Update diagnostic code to check the number of objects and make sure that the number of objects always stays within the bounds of a 16 bit unsigned integer. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
* | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2008-04-28
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (45 commits) [MIPS] Pb1200/DBAu1200: move platform code to its proper place [MIPS] Fix handling of trap and breakpoint instructions [MIPS] Pb1200: do register SMC 91C111 [MIPS] DBAu1200: fix bad SMC 91C111 resource size [NET] Kconfig: Rename MIKROTIK_RB500 -> MIKROTIK_RB532 [MIPS] IP27: Fix build bug due to missing include [MIPS] Fix some sparse warnings on traps.c and irq-msc01.c [MIPS] cevt-gt641xx: Kill unnecessary include [MIPS] DS1287: Add clockevent driver [MIPS] add DECstation I/O ASIC clocksource [MIPS] rbtx4938: minor cleanup [MIPS] Alchemy: kill unused PCI_IRQ_TABLE_LOOKUP macro [MIPS] rbtx4938: misc cleanups [MIPS] jmr3927: use generic txx9 gpio [MIPS] rbhma4500: use generic txx9 gpio [MIPS] generic txx9 gpio support [MIPS] make fallback gpio.h gpiolib-friendly [MIPS] unexport null_perf_irq() and make it static [MIPS] unexport rtc_mips_set_time() [MIPS] unexport copy_from_user_page() ...
| * | [MIPS] Pb1200/DBAu1200: move platform code to its proper placeSergei Shtylyov2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since both the IDE interface and SMC 91C111 Ethernet chip are on-board devices, not SOC devices, move the platform device registration form the common to the board specific code. While at it, remove semicolon (which didn't break compilation only by chance) from the AU1XXX_ATA_DDMA_REQ macro and do some renaming: - change 'au1200_ide0_' variable name prefix to the mere 'ide_'; - change 'smc91x_' variable name prefix to 'smc91c111_' since that's the name of the chip used on the boards; - drop 'AU1XXX_' prefix from the names of macros describing IDE and Ethernet on-board devices; - change 'SMC91111_' to 'SMC91C111_', change 'IRQ' to 'INT' in the names of the macros describing the Ethernet chip for consistency with the IDE macros; - change 'ATA_' to 'IDE_' and 'OFFSET' to 'SHIFT' (since this value is indeed a shift count) in the names of the macros describing the IDE interface. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | [MIPS] IP27: Fix build bug due to missing includeAdrian Bunk2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | asm-mips/mach-ip27/topology.h must #include <asm-generic/topology.h> This fixes the following compile error: ... CC kernel/sched.o /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c: In function 'find_next_best_node': /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: implicit declaration of function 'node_to_cpumask_ptr' /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: '__tmp__' undeclared (first use in this function) /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: (Each undeclared identifier is reported only once /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: for each function it appears in.) /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c: In function 'sched_domain_node_span': /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7047: error: 'nodemask' undeclared (first use in this function) /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7048: warning: ISO C90 forbids mixed declarations and code /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7059: error: implicit declaration of function 'node_to_cpumask_ptr_next' /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c: In function '__build_sched_domains': /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7605: error: 'pnodemask' undeclared (first use in this function) make[2]: *** [kernel/sched.o] Error 1 <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | [MIPS] Fix some sparse warnings on traps.c and irq-msc01.cAtsushi Nemoto2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | * Declare board_bind_eic_interrupt, board_watchpoint_handler in traps.h * Make msc_bind_eic_interrupt static and fix its argument types. * Make msc_levelirq_type, msc_edgeirq_type static. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | [MIPS] DS1287: Add clockevent driverYoichi Yuasa2008-04-28
| | | | | | | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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