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2007-07-20Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh64-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh64-2.6: sh64: Flag sh64_get_page() as __init_refok. sh64: Move entry point code to .text.head. sh64: Fix up PCI section mismatch warnings. sh64: Update cayman defconfig. sh64: Wire up fallocate() syscall.
2007-07-20Merge branch 'cfq' of git://git.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
* 'cfq' of git://git.kernel.dk/data/git/linux-2.6-block: cfq: Write-only stuff in CFQ data structures cfq: async queue allocation per priority
2007-07-20arm: fix up handle_mm_fault changesNick Piggin
Update arm to use bitwise types for its VM_FAULT_ constants. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (29 commits) libata: implement EH fast drain libata: schedule probing after SError access failure during autopsy libata: clear HOTPLUG flag after a reset libata: reorganize ata_ehi_hotplugged() libata: improve SCSI scan failure handling libata: quickly trigger SATA SPD down after debouncing failed libata: improve SATA PHY speed down logic The SATA controller device ID is different according to ahci: implement SCR_NOTIFICATION r/w ahci: make NO_NCQ handling more consistent libata: make ->scr_read/write callbacks return error code libata: implement AC_ERR_NCQ libata: improve EH report formatting sata_sil24: separate out sil24_do_softreset() sata_sil24: separate out sil24_exec_polled_cmd() sata_sil24: replace sil24_update_tf() with sil24_read_tf() ahci: separate out ahci_do_softreset() ahci: separate out ahci_exec_polled_cmd() ahci: separate out ahci_kick_engine() ahci: use deadline instead of fixed timeout for 1st FIS for SRST ...
2007-07-20Fix Lindent to not indent preprocessor comments so farMatthew Wilcox
I recently ran Lindent over the AdvanSys driver and it moved the comments on #else and #endif lines way over to the right: #else /* ADVANSYS_DEBUG */ This doesn't match what I expect from kernel style, but it is documented. We just need another flag to indent to make this look like: #else /* ADVANSYS_DEBUG */ Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20Memory leak in tpm_ascii_bios_measurements_open()Jesper Juhl
Coverity found a memory leak in tpm_ascii_bios_measurements_open(). If "read_log(log)" fails, then we may leak 'log' and 'log->bios_event_log'. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: Seiji Munetoh <munetoh@jp.ibm.com> Cc: Stefan Berger <stefanb@us.ibm.com> Cc: Reiner Sailer <sailer@watson.ibm.com> Cc: Kylene Hall <kjhall@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20m68knommu: reformat show_cpuinfo()Greg Ungerer
Reformat show_cpuinfo() to be consistent with normal coding style (and rest of this file). Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20cr_backlight_probe() allocates too little storage for struct cr_panelJesper Juhl
The Coverity checker noticed that we allocate too little storage for "struct cr_panel *crp" in cr_backlight_probe(). Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: Thomas Hellstrom <thomas@tungstengraphics.com> Cc: Alan Hourihane <alanh@tungstengraphics.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20async_tx: fix kmap_atomic usage in async_memcpyDan Williams
Andrew Morton: [async_memcpy] is very wrong if both ASYNC_TX_KMAP_DST and ASYNC_TX_KMAP_SRC can ever be set. We'll end up using the same kmap slot for both src add dest and we get either corrupted data or a BUG. Evgeniy Polyakov: Btw, shouldn't it always be kmap_atomic() even if flag is not set. That pages are usual one returned by alloc_page(). So fix the usage of kmap_atomic and kill the ASYNC_TX_KMAP_DST and ASYNC_TX_KMAP_SRC flags. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20dpt_i2o depends on virt_to_busStephen Rothwell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20fix some conversion overflowsNick Piggin
Fix page index to offset conversion overflows in buffer layer, ecryptfs, and ocfs2. It would be nice to convert the whole tree to page_offset, but for now just fix the bugs. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Cc: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20mm: fix memory hotplug oops from ZONE_MOVABLE changes.Paul Mundt
zone_movable_pfn is presently marked as __initdata and referenced from adjust_zone_range_for_zone_movable(), which in turn is referenced by zone_spanned_pages_in_node(). Both of these are __meminit annotated. When memory hotplug is enabled, this will oops on a hot-add, due to zone_movable_pfn having been freed. __meminitdata annotation gives the desired behaviour. This will only impact platforms that enable both memory hotplug and ARCH_POPULATES_NODE_MAP. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Mel Gorman <mel@csn.ul.ie> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20arch/i386/xen/events.c should #include <asm/xen/hypervisor.h>Adrian Bunk
Every file should include the headers containing the prototypes for its global functions. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20xen: disable vdso "nosegneg" on native bootRoland McGrath
One of the nice ideas behind paravirt is that CONFIG_XEN=y can be included in a standard configuration and be no worse for native booting than as a Xen guest. The glibc feature that supports the vDSO "nosegneg" note is designed specifically to make this easy. You just have to flip one bit at boot time. This patch makes Xen flip the bit, so a CONFIG_XEN=y kernel on bare hardware does not make glibc use the less-optimized library builds. Signed-off-by: Roland McGrath <roland@redhat.com> Acked-by: Jeremy Fitzhardinge <jeremy@xensource.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Fix two year old bug in early bootup asm. [SPARC64]: Update defconfig. [SPARC64]: Fix log message type in vio_create_one(). [SPARC64]: Tweak assertions in sun4v_build_virq(). [SPARC64]: Tweak kernel log messages in power_probe(). [SPARC64]: Fix handling of multiple vdc-port nodes. [SPARC64]: Fix device type matching in VIO's devspec_show(). [SPARC64]: Fix MODULE_DEVICE_TABLE() specification in VDC and VNET. [SPARC]: Add sys_fallocate() entries. [SPARC64]: Use orderly_poweroff().
2007-07-20Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (44 commits) USB: drivers/usb/storage/dpcm.c whitespace cleanup USB: r8a66597-hcd: fixes some problem USB: change name of spinlock in hcd.c USB: move routines in hcd.c USB: misc: uss720: clean up urb->status usage USB: misc: usbtest: clean up urb->status usage USB: misc: usblcd: clean up urb->status usage USB: misc: phidgetmotorcontrol: clean up urb->status usage USB: misc: phidgetkit: clean up urb->status usage USB: misc: legousbtower: clean up urb->status usage USB: misc: ldusb: clean up urb->status usage USB: misc: iowarrior: clean up urb->status usage USB: misc: ftdi-elan: clean up urb->status usage USB: misc: auerswald: clean up urb->status usage USB: misc: appledisplay: clean up urb->status usage USB: misc: adtux: clean up urb->status usage USB: core: message: clean up urb->status usage USB: image: microtek: clean up urb->status usage USB: image: mdc800: clean up urb->status usage USB: storage: onetouch: clean up urb->status usage ...
2007-07-20fix gfp_t annotations for slubAl Viro
Since we have use like ~SLUB_DMA, we ought to have the type set right in both cases. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20ANSIfy a couple of functions in netfilterAl Viro
It's C, not C++... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20Fix lguest misannotationAl Viro
It's void __user *, not void * __user... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20Fix up sky2 breakageAl Viro
Doing |= 1 << 19 to 16bit unsigned is not particulary useful; that register is 32bit, unlike the ones dealt with in the rest of function, so we need u32 variable here. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20Fix buggered kmalloc() call argument orderAl Viro
Wrong order of arguments Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20m68k: exclude more unbuildable driversAl Viro
anything that wants working dma-mapping won't work parport_pc won't work on m68k unless we have ISA Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20mac89x0: missing __initAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20m68k: remove empty ->setup is several consolesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20m68k: missing __initAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20m68k: missing exportsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20m68k: use .text.headAl Viro
i.e. tell modpost that entry point code (that has to be outside of .init.text for external reasons) is OK to refer to .init.* Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20m68k iomem (based on Geert's tree + memcpy_... stuff)Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20m68k: teach modpost about .m68_fixupAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20more isa/eisa/pci-only drivers marked as suchAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20libata: implement EH fast drainTejun Heo
In most cases, when EH is scheduled, all in-flight commands are aborted causing EH to kick in immediately. However, in some cases (especially with PMP), it's unclear which commands are affected by the error condition and although aborting all in-flight commands work, it isn't optimal and may cause unnecessary disruption. On the other hand, waiting for in-flight commands to drain themselves can take up to 30seconds. This patch implements EH fast drain to handle such situations. It gives in-flight commands some time to finish up but doesn't wait for too long. After EH is scheduled, fast drain timer is started and if no other completion occurs in ATA_EH_FASTDRAIN_INTERVAL all in-flight commands are aborted. If any completion occurred in the interval, the port is given another interval to finish up itself. Currently ATA_EH_FASTDRAIN_INTERVAL is 3 secs which should be enough for finishing up most commands. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: schedule probing after SError access failure during autopsyTejun Heo
If SError isn't accessible, EH can't tell whether hotplug has happened or not. Report SError read failure with AC_ERR_OTHER and schedule probing with hardreset. This will be mainly useful for PMPs. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: clear HOTPLUG flag after a resetTejun Heo
ATA_EHI_HOTPLUGGED is a hint for reset functions indicating the the port might have gone through hotplug/unplug just before entering EH. Reset functions modify their behaviors a bit to handle the situation better - e.g. using longer debouncing delay. Currently, once HOTPLUG is set, it isn't cleared till the end of EH. This is unnecessary and makes EH take longer. Clear the HOTPLUGGED flag after a reset try (successful or not). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: reorganize ata_ehi_hotplugged()Tejun Heo
__ata_ehi_hotplugged() now has no users. Regorganize ata_ehi_hotplugged() such that a new function ata_ehi_schedule_probe() deals with scheduling probing. ata_ehi_hotplugged() calls it and additionally marks hotplug specific flags. ata_ehi_schedule_probe() will be used laster. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: improve SCSI scan failure handlingTejun Heo
SCSI scan may fail due to memory allocation failure even if EH is not in progress. Due to use of GFP_ATOMIC in SCSI scan path, allocation failure isn't too rare especially while probing multiple devices at once which is the case when a bunch of devices are connected to PMP. This patch moves SCSI scan failure detetion logic from ata_scsi_hotplug() to ata_scsi_scan_host() and implement synchronous scan behavior. The synchronous path sleeps briefly and repeats SCSI scan if some devices aren't attached properly. It contains robust retry loop to minimize the chance of device misdetection during boot and falls back to async retry if everything fails. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: quickly trigger SATA SPD down after debouncing failedTejun Heo
Debouncing failure is a good indicator of basic link problem. Use -EPIPE to indicate debouncing failure and make ata_eh_reset() invoke sata_down_spd_limit() if the error occurs during reset. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: improve SATA PHY speed down logicTejun Heo
sata_down_spd_limit() first reads the current SPD from SStatus and limit the speed to the lower one of one below the current limit or one below the current SPD in SStatus. SPD may not be accessible or valid when SPD down is requested making sata_down_spd_limit() fail when it's most needed. This patch makes the current SPD cached after each successful reset and forces GEN I speed (1.5Gbps) if neither of SStatus or the cached value is valid, so sata_down_spd_limit() is now guaranteed to lower the speed limit if lower speed is available. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20The SATA controller device ID is different according tosu henry
the onchip SATA type set in the system BIOS: Device Device ID SATA in IDE mode 0x4390 SATA in AHCI mode 0x4391 SATA in non-raid5 driver 0x4392 SATA in raid5 driver 0x4393 Although the device ID is different, they use the same AHCI driver .The attached file is the patch for adding these device IDs for ATI SB700. Signed-off-by: henry.su.ati@gmail.com Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: implement SCR_NOTIFICATION r/wTejun Heo
Make ahci_scr_read/write() handle SCR_NOTIFICATION if the controller supports it. Also, print "sntf" in the cap line if supported. While at it, convert eight space into a tab in ahci_print_info(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: make NO_NCQ handling more consistentTejun Heo
ahci_save_initial_config() is responsible for reading, screening the host CAP register and storing the modified result into hpriv->cap for the rest of the driver. Move ATA_FLAG_NO_NCQ handling into ahci_save_initial_config(). It's more consistent this way and the rest of the driver can always refer to hpriv->cap to determine configured capability. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: make ->scr_read/write callbacks return error codeTejun Heo
Convert ->scr_read/write callbacks to return error code to better indicate failure. This will help handling of SCR_NOTIFICATION. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: implement AC_ERR_NCQTejun Heo
When an NCQ command fails, all commands in flight are aborted and the offending one is reported using log page 10h. Depending on controller characteristics and LLD implementation, all commands may appear as having a device error due to shared TF status making it hard to determine what's actually going on. This patch adds AC_ERR_NCQ, marks the command reported by log page 10h with it and print extra "<F>" after the error report for the command to help distinguishing the offending command. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: improve EH report formattingTejun Heo
Requiring LLDs to format multiple error description messages properly doesn't work too well. Help LLDs a bit by making ata_ehi_push_desc() insert ", " on each invocation. __ata_ehi_push_desc() is the raw version without the automatic separator. While at it, make ehi_desc interface proper functions instead of macros. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20sata_sil24: separate out sil24_do_softreset()Tejun Heo
Separate out sil24_do_softreset() which takes @pmp as its last argument. This will be used to implement sil24_pmp_softreset(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20sata_sil24: separate out sil24_exec_polled_cmd()Tejun Heo
Separate out sil24_exec_polled_cmd() from sil24_softreset(). This will be used to implement sil24_pmp_read/write(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20sata_sil24: replace sil24_update_tf() with sil24_read_tf()Tejun Heo
Replace sil24_update_tf() to sil24_read_tf() which reads TF into passed int result TF argument and can read TFs of PMP links. This will be used by PMP support. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: separate out ahci_do_softreset()Tejun Heo
Separate out ahci_do_softreset() which takes @pmp as its last argument. This will be used to implement ahci_pmp_softreset(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: separate out ahci_exec_polled_cmd()Tejun Heo
Separate out ahci_exec_polled_cmd() from ahci_softreset(). This will be used to implement ahci_pmp_read/write(). ahci_exec_polled_cmd() performs reset_engine before returning if the command fails (times out). This is to improve robustness. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: separate out ahci_kick_engine()Tejun Heo
Separate out stop_engine - CLO - start_engine sequence from ahci_softreset() and ahci_clo() into ahci_reset_engine() and use it in ahci_softreset() and ahci_post_internal_cmd(). The function will also be used to prepare for and clean up after PMP register access commands. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: use deadline instead of fixed timeout for 1st FIS for SRSTTejun Heo
Use deadline instead of fixed timeout for 1st FIS for SRST to improve robustness of SRST. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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