- 09 Feb, 2007 40 commits
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Adrian Bunk authored
This patch makes the following needlessly global functions static: - libata-core.c: ata_qc_complete_internal() - libata-scsi.c: ata_scsi_qc_new() - libata-scsi.c: ata_dump_status() - libata-scsi.c: ata_to_sense_error() Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
Jeff Garzik <jeff@garzik.org>
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Alan authored
The AHCI set up is handled properly along with the other bits in the JMICRON quirk. Remove the code whacking it in ahci.c as its un-needed and also blindly fiddles with bits it doesn't own. Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Alan authored
An ATA controller in native mode may have one or more channels disabled and not assigned resources. In that case the existing code crashes trying to access I/O ports 0-7. Add the neccessary check. Signed-off-by:
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Alan authored
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Jakub W. Jozwicki J authored
In ASUS A6K/A6U hdd is connected to SiS 96x via 40c cable, however it is short cable and is UDMA66 capable. tj: fixed if () conditionals ah: fixed infinite loop Signed-off-by:
Jakub W. Jozwicki <jakub007@go2.pl> Cc: Andreas Henriksson <andreas@fatal.se> Signed-off-by:
Tejun Heo <htejun@gmail.com> Signed-off-by:
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J J authored
In Acer Aspire hdd is connected to ICH7 via 40c cable, however it is short cable and it is UDMA66 capable. Signed-off-by:
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Conke Hu authored
Signed-off-by:
Conke Hu <conke.hu@amd.com> Signed-off-by:
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Mikael Pettersson authored
This patch adds ATAPI support to the sata_promise driver. This has been tested on both first- and second-generation chips (20378 and 20575), and with both SATAPI and PATAPI devices. CD-writing works. SATAPI DMA works on second-generation chips, but on first-generation chips SATAPI is limited to PIO due to what appears to be HW limitations. PATAPI DMA works on both first- and second-generation chips, but requires the separate PATA support patch before it can be used on TX2plus chips. The functional changes to the driver are: - remove ATA_FLAG_NO_ATAPI from PDC_COMMON_FLAGS - add ->check_atapi_dma() operation to enable DMA for bulk data transfers but force PIO for other ATAPI commands; this filter is from Promise's driver and largely matches pata_pdc207x.c - use a more restrictive ->check_atapi_dma() on first-generation chips to force SATAPI to always use PIO - add handling of ATAPI protocols to pdc_qc_prep(), pdc_host_intr(), and pdc_qc_issue_prot(): ATAPI_DMA is handled by the driver while non-DMA protocols are handed over to libata generic code - add pdc_issue_atapi_pkt_cmd() to handle the initial steps in issuing ATAPI DMA commands before sending the actual CDB; this procedure was ported from Promise's driver Signed-off-by:
Mikael Pettersson <mikpe@it.uu.se> Signed-off-by:
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Mikael Pettersson authored
This patch implements a simple way of setting up per-port flags on the SATA+PATA Promise TX2plus chips, which is a prerequisite for supporting the PATA port on those chips. It is based on the observation that ap->flags isn't really used until after ->port_start() has been invoked. So it places the "exceptional" per-port flags array in the driver's private host structure, and uses it in ->port_start() to finalise the port's flags. This patch obsoletes the #promise-sata-pata branch included in the #all branch. Signed-off-by:
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Arjan van de Ven authored
This patch introduces users of the round_jiffies() function: ATA subsystem This delayed work is of the "about once a second" variety and can be rounded to coincide with other wakers. Signed-off-by:
Arjan van de Ven <arjan@linux.intel.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Alan Cox authored
Updated diff which doesn't move the comment as per Jeff's request and corrects the docs as per report on l/k Signed-off-by:
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Jeff Garzik authored
Most of these contributed by that mysterious figger known as A.C. Signed-off-by: -
Sylvain Munaut authored
This patch adds initial libata support for the Freescale MPC5200 integrated IDE controller. Signed-off-by:
Sylvain Munaut <tnt@246tNt.com> Signed-off-by:
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Alan authored
Add a driver for the IT8213 which is a single channel ICH-ish PATA controller. As it is very different to the IT8211/2 it gets its own driver. There is a legacy drivers/ide driver also available and I'll post that once I get time to test it all out (probably early January). If anyone else needs the drivers/ide driver and wants to do the merge for drivers/ide (Bart ??) then I'll forward it. [akpm@osdl.org: add PCI ID, constify needed_pio[]] Signed-off-by:
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Uwe Koziolek authored
The SiS966/966L has different PCI-IDs for native mode and AHCI mode. The SiS966 supports four SATA ports only in native mode. Added additional PCI-ID 0x0183 for SiS965/965L. this patch is based on the code from David Wang from SiS Corporation published on SiS Website. Signed-off-by:
Uwe Koziolek <uwe.koziolek@gmx.net> Signed-off-by:
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Greg Ungerer authored
Use irq_handler_t for passing clock handler routine around. Signed-off-by:
Greg Ungerer <gerg@uclinux.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Greg Ungerer authored
Remove include of asm/system.h, not needed. Signed-off-by:
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Greg Ungerer authored
remap() the region we get from mmap() to mark the fact that we are using all of the available slack space. Any slack space is used to form a simple brk region, and potentially more stack space than requested at load time. Any searches of the vma chain may well fail looking for stack (and especially arg) addresses if the remaping is not done. The simplest example is /proc/<pid>/cmdline, since the args are pretty much always at the top of the data/bss/stack region. Signed-off-by:
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Greg Ungerer authored
Use irq_handler_t for passing interrupt handler around. Fix optional profiler handler to return a irq_return_t type. Signed-off-by:
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Greg Ungerer authored
Use irq_handler_t type for passing timer handler to timer init code. Signed-off-by:
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Greg Ungerer authored
Include the unused sections in the m68knommu linker scripts. Needed for modules support. Signed-off-by:
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Greg Ungerer authored
Fix coldfire kernel timer to remove regs arg. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: ieee1394: fix host device registering when nodemgr disabled ieee1394: video1394: DMA fix ieee1394: raw1394: prevent unloading of low-level driver ieee1394: dv1394: tidy up card removal ieee1394: dv1394: fix CardBus card ejection ieee1394: sbp2: lower block queue alignment requirement ieee1394: sbp2: remove bogus "emulated" host flag ieee1394: save one word in struct hpsb_host ieee1394: restore config ROM when resuming ieee1394: ohci1394: drop pcmcia-cs compatibility code ieee1394: nodemgr: check info_length in ROM header earlier the scheduled IEEE1394_OUI_DB removal the scheduled IEEE1394_EXPORT_FULL_API removal ieee1394: sbp2: use a better wildcard for blacklist Add PCI class ID for firewire OHCI controllers. ieee1394: modified csr1212_key_id_type_map to support lisight
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Roman Zippel authored
This adds the remaining changes which should have been part of the review process. - the define command is inappropriate (it's primarily for rule definitions) - execute commands in the current dir as all other commands - .*.tmp (but not .*.null) files are also removed up by "make clean" - printf has other side effects, just use "echo -e" - proper quoting - proper indentation Signed-off-by:
Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
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git://ftp.linux-mips.org/pub/scm/upstream-apmLinus Torvalds authored
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-apm: [APM] SH: Convert to use shared APM emulation. [APM] MIPS: Convert to use shared APM emulation. [APM] ARM: Convert to use shared APM emulation. [APM] Add shared version of APM emulation
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Paul Mundt authored
Signed-off-by:
Paul Mundt <lethal@linux-sh.org> Cc: Roland McGrath <roland@redhat.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Roland McGrath authored
This patch uses install_special_mapping for the powerpc vDSO setup, consolidating duplicated code. Signed-off-by:
Roland McGrath <roland@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by:
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Roland McGrath authored
This patch uses install_special_mapping for the ia32 vDSO setup, consolidating duplicated code. Signed-off-by:
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Roland McGrath authored
This patch uses install_special_mapping for the i386 vDSO setup, consolidating duplicated code. Signed-off-by:
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Roland McGrath authored
This patch adds a utility function install_special_mapping, for creating a special vma using a fixed set of preallocated pages as backing, such as for a vDSO. This consolidates some nearly identical code used for vDSO mapping reimplemented for different architectures. Signed-off-by:
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Andrew Morton authored
Also split that long line up - people like to send us wordwrapped oom-kill traces. Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Christoph Lameter <clameter@engr.sgi.com> Signed-off-by:
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Soeren Sonnenburg authored
As macbook/macbook pro's also have to live with a single mouse button the following patch just enables the Macintosh device drivers menu in Kconfig + adds the macintosh dir to the obj-* to make macbook* users happy (who use exactly that since months.... Signed-off-by:
Soeren Sonnenburg <kernel@nn7.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Dmitry Torokhov <dtor@mail.ru> Cc: <stable@kernel.org> Signed-off-by:
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Adrian Bunk authored
Fix a double free of "dfid" introduced by commit da977b2c and spotted by the Coverity checker. Signed-off-by:
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Neil Brown authored
md/bitmap tracks how many active write requests are pending on blocks associated with each bit in the bitmap, so that it knows when it can clear the bit (when count hits zero). The counter has 14 bits of space, so if there are ever more than 16383, we cannot cope. Currently the code just calles BUG_ON as "all" drivers have request queue limits much smaller than this. However is seems that some don't. Apparently some multipath configurations can allow more than 16383 concurrent write requests. So, in this unlikely situation, instead of calling BUG_ON we now wait for the count to drop down a bit. This requires a new wait_queue_head, some waiting code, and a wakeup call. Tested by limiting the counter to 20 instead of 16383 (writes go a lot slower in that case...). Signed-off-by:
Neil Brown <neilb@suse.de> Cc: <stable@kernel.org> Signed-off-by:
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NeilBrown authored
If you lose this race, it can iput a socket inode twice and you get a BUG in fs/inode.c When I added the option for user-space to close a socket, I added some cruft to svc_delete_socket so that I could call that function when closing a socket per user-space request. This was the wrong thing to do. I should have just set SK_CLOSE and let normal mechanisms do the work. Not only wrong, but buggy. The locking is all wrong and it openned up a race where-by a socket could be closed twice. So this patch: Introduces svc_close_socket which sets SK_CLOSE then either leave the close up to a thread, or calls svc_delete_socket if it can get SK_BUSY. Adds a bias to sk_busy which is removed when SK_DEAD is set, This avoid races around shutting down the socket. Changes several 'spin_lock' to 'spin_lock_bh' where the _bh was missing. Bugzilla-url: http://bugzilla.kernel.org/show_bug.cgi?id=7916Signed-off-by:
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Neil Brown authored
It is possible for raid5 to be sent a bio that is too big for an underlying device. So if it is a READ that we pass stright down to a device, it will fail and confuse RAID5. So in 'chunk_aligned_read' we check that the bio fits within the parameters for the target device and if it doesn't fit, fall back on reading through the stripe cache and making lots of one-page requests. Note that this is the earliest time we can check against the device because earlier we don't have a lock on the device, so it could change underneath us. Also, the code for handling a retry through the cache when a read fails has not been tested and was badly broken. This patch fixes that code. Signed-off-by:
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Ken Chen authored
__unmap_hugepage_range() is buggy that it does not preserve dirty state of huge_pte when unmapping hugepage range. It causes data corruption in the event of dop_caches being used by sys admin. For example, an application creates a hugetlb file, modify pages, then unmap it. While leaving the hugetlb file alive, comes along sys admin doing a "echo 3 > /proc/sys/vm/drop_caches". drop_pagecache_sb() will happily free all pages that aren't marked dirty if there are no active mapping. Later when application remaps the hugetlb file back and all data are gone, triggering catastrophic flip over on application. Not only that, the internal resv_huge_pages count will also get all messed up. Fix it up by marking page dirty appropriately. Signed-off-by:
Ken Chen <kenchen@google.com> Cc: "Nish Aravamudan" <nish.aravamudan@gmail.com> Cc: Adam Litke <agl@us.ibm.com> Cc: David Gibson <david@gibson.dropbear.id.au> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: <stable@kernel.org> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Evgeniy Dushistov authored
This is a fix of regression, which triggered by ~2.6.16. Patch with name ufs-directory-and-page-cache-from-blocks-to-pages.patch: in additional to conversation from block to page cache mechanism added new checks of directory integrity, one of them that directory entry do not across directory chunks. But some kinds of UFS: OpenStep UFS and Apple UFS (looks like these are the same filesystems) have different directory chunk size, then common UFSes(BSD and Solaris UFS). So this patch adds ability to works with variable size of directory chunks, and set it for ufstype=openstep to right size. Tested on darwin ufs. Signed-off-by:
Evgeniy Dushistov <dushistov@mail.ru> Cc: <stable@kernel.org> Signed-off-by:
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Atsushi Nemoto authored
The usage of the century bit was inverted on 2.6.19 following to PCF8563's description, but it was not match to usage suggested by RTC8564's datasheet. Anyway what MO_C=1 means can vary on each platform. This patch is to detect its polarity in get_datetime routine. The default value of c_polarity is 0 (MO_C=1 means 19xx) so that this patch does not change current behavior even if get_datetime was not called before set_datetime. Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@teamlog.com> Cc: <stable@kernel.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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git://ftp.linux-mips.org/pub/scm/upstream-tcLinus Torvalds authored
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-tc: [EISA] EISA registration with !CONFIG_EISA [TC] pmagb-b-fb: Convert to the driver model [TC] dec_esp: Driver model for the PMAZ-A [TC] mips: pmag-ba-fb: Convert to the driver model [TC] defxx: TURBOchannel support [TC] TURBOchannel support for the DECstation [TC] MIPS: TURBOchannel resources off-by-one fix [TC] MIPS: TURBOchannel update to the driver model
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