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2007-07-22[ARM] 4516/1: S3C: Fix uncompressor serial output for ARM926Ben Dooks1-1/+10
Ensure we check for ARM926 in the uncompressor, as all current ARM926s do not have an ID register and all have S3C2440 style UARTs. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4515/1: S3C: Move uncompress code to plat-s3cBen Dooks2-131/+166
Move the uncompress.h to plat-s3c Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4514/1: S3C: Rename DEBUG_S3C2410_PORT and DEBUG_S3C_UARTBen Dooks3-12/+12
Rename DEBUG_S3C2410_PORT to DEBUG_S3C_PORT as well as DEBUG_S3C2410_UART to DEBUG_S3C_UART as part of the updates to moving to plat-s3c for S3C base support. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4513/1: S3C: Rename CONFIG_S3C2410_LOWLEVEL_UART_PORTBen Dooks5-6/+6
Rename CONFIG_S3C2410_LOWLEVEL_UART_PORT to be CONFIG_S3C_LOWLEVEL_UART_PORT as we move to using plat-s3c for base of S3C operations. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4512/1: S3C: rename the debug macros for per-cpu updatesBen Dooks2-6/+53
Update the debug macros for use with the new per-cpu configuration and usage. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4511/1: S3C: updated LLSERIAL Kconfig defines for CPU supportBen Dooks6-0/+33
Update the Kconfig to create configuration options based on which CPUs are supported for the low level serial code. This means that the debug macros can be optimised for the type(s) of CPU that are being used. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4510/1: S3C: split debug-macro support into plat-s3cBen Dooks2-43/+66
Move the common parts of the debug macros into include/asm-arm/plat-s3c ready to be used for the common S3C support. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4509/1: S3C: Create initial arch/arm/plat-s3cBen Dooks3-59/+78
Create the initial arch/arm/plat-s3c directory and start linking it into the arch/arm build heirarchy ready to receive the generic parts of the S3C24XX support to be used when adding S3C6400 devices. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4508/1: S3C: Move items to include/asm-arm/plat-s3cBen Dooks44-46/+45
This patch moves items of the s3c24xx support into a new plat-s3c directory for items that use the s3c24xx support but are not directly s3c24xx compatible, such as the s3c2400 and s3c6400. git mv commands: git mv include/asm-arm/arch-s3c2410/iic.h include/asm-arm/plat-s3c/iic.h git mv include/asm-arm/arch-s3c2410/nand.h include/asm-arm/plat-s3c/nand.h git mv include/asm-arm/arch-s3c2410/regs-iic.h include/asm-arm/plat-s3c/regs-iic.h git mv include/asm-arm/arch-s3c2410/regs-nand.h include/asm-arm/plat-s3c/regs-nand.h git mv include/asm-arm/arch-s3c2410/regs-rtc.h include/asm-arm/plat-s3c/regs-rtc.h git mv include/asm-arm/arch-s3c2410/regs-serial.h include/asm-arm/plat-s3c/regs-serial.h git mv include/asm-arm/arch-s3c2410/regs-timer.h include/asm-arm/plat-s3c/regs-timer.h git mv include/asm-arm/arch-s3c2410/regs-watchdog.h include/asm-arm/plat-s3c/regs-watchdog.h Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-19fallout from kbuild changesAl Viro1-1/+1
Change in 'kbuild: do section mismatch check on full vmlinux' should've been replicated in arch/um/Makefile. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20mm: Remove slab destructors from kmem_cache_create().Paul Mundt165-268/+247
Slab destructors were no longer supported after Christoph's c59def9f222d44bb7e2f0a559f2906191a0862d7 change. They've been BUGs for both slab and slub, and slob never supported them either. This rips out support for the dtor pointer from kmem_cache_create() completely and fixes up every single callsite in the kernel (there were about 224, not including the slab allocator definitions themselves, or the documentation references). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-07-19coda breakageAl Viro2-14/+14
a) switch by loff_t == __cmpdi2 use. Replaced with a couple of obvious ifs; update of ->f_pos in the first one makes sure that we do the right thing in all cases. b) block_signals() and unblock_signals() are globals on UML. Renamed coda ones; in principle UML probably ought to do rename as well, but that's another story. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19missed cong_avoid() instanceAl Viro1-1/+1
Removal of rtt argument in ->cong_avoid() had missed tcp_htcp.c instance. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20ide: add support for SCSI ioctls to ide-floppyBartlomiej Zolnierkiewicz2-5/+17
Now that ide-floppy supports SG_IO we can add support for SCSI ioctls (except deprecated SCSI_IOCTL_SEND_COMMAND and legacy CDROM_SEND_PACKET ones - we can add them later iff really needed). While at it remove handling of CDROMEJECT and CDROMCLOSETRAY ioctls from generic_ide_ioctl(): - This prevents ide-{disk,tape,scsi} device drivers from obtaining REQ_TYPE_BLOCK_PC type requests which are currently unsupported by these drivers and which are potentially harmful (as reported by Andrew). - There is no functionality loss since aforementioned ioctls will now be handled by idefloppy_ioctl()->scsi_cmd_ioctl() (for devices using ide-floppy driver) and by idecd_ioctl->cdrom_ioctl()->scsi_cmd_ioctl() (for devices using ide-cd driver). Cc: Jens Axboe <jens.axboe@oracle.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: remove stale changelog from setup-pci.cBartlomiej Zolnierkiewicz1-6/+0
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: remove stale changelog/comments/TODO from ide.cBartlomiej Zolnierkiewicz1-78/+0
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide-cris: handle PIO auto-tuning in tune_cris_ide()Bartlomiej Zolnierkiewicz1-0/+2
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: add PIO masksBartlomiej Zolnierkiewicz43-8/+99
* Add ATA_PIO[0-6] defines to <linux/ata.h>. * Add ->pio_mask field to ide_pci_device_t and ide_hwif_t. * Add PIO masks to host drivers. <linux/ata.h> change ACK-ed by Jeff Garzik <jeff@garzik.org>. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: remove ide_find_best_pio_mode()Bartlomiej Zolnierkiewicz7-39/+45
* Add ->host_flags to ide_hwif_t to store ide_pci_device_t.host_flags, assign it in setup-pci.c:ide_pci_setup_ports(). * Add IDE_HFLAG_PIO_NO_{BLACKLIST,DOWNGRADE} to ide_pci_device_t.host_flags and teach ide_get_best_pio_mode() about them. Also remove needless !drive->id check while at it (drive->id is always present). * Convert amd74xx, via82cxxx and ide-timing.h to use ide_get_best_pio_mode() and then remove no longer needed ide_find_best_pio_mode(). There should be no functionality changes caused by this patch. Acked-by: Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: drop "PIO data" argument from ide_get_best_pio_mode()Bartlomiej Zolnierkiewicz37-53/+43
* Drop no longer needed "PIO data" argument from ide_get_best_pio_mode() and convert all users accordingly. * Remove no longer needed ide_pio_data_t. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: ide_find_best_pio_mode() fixes (take 2)Bartlomiej Zolnierkiewicz1-6/+4
* Check IORDY bit for PIO modes > 2. * Some devices claim maximum PIO mode > 2 in id->tPIO, they were punished too severly for this by being limited to PIO_SLOW. Limit them to PIO2 instead. v2: * Fix PIO number being returned incorrectly instead of PIO mode (Noticed by Sergei). Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: add ide_pio_cycle_time() helper (take 2)Bartlomiej Zolnierkiewicz9-56/+74
* Add ide_pio_cycle_time() helper. * Use it in ali14xx/ht6560b/qd65xx/cmd64{0,x}/sl82c105 and pmac host drivers (previously cycle time given by the device was only used for "pio" == 255). * Remove no longer needed ide_pio_data_t.cycle_time field. v2: * Fix "ata_" prefix (Noticed by Jeff). Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20sc1200: remove stale Power Management codeBartlomiej Zolnierkiewicz1-37/+2
* Nowadays core IDE code handles restoring of PIO and DMA modes (ide-io.c:ide_start_power_step() etc) so remove open-coded version from sc1200_resume(). There should be no change in behavior because settings done by sc1200_resume() were always overridden by generic_ide_resume() and ide_{start,stop}_power_step(). * Bump driver version. Cc: Mark Lord <mlord@pobox.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: ide_start_power_step() fix WRT disabling DMABartlomiej Zolnierkiewicz1-2/+3
* Do the same thing as probe_hwif() and always disable DMA so chipset DMA enabled bit gets cleared (if the drive doesn't support DMA ide_set_dma() won't try to tune it anyway). * Add TODO comment about respecting ->using_dma setting. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20serverworks: fix DMABartlomiej Zolnierkiewicz1-6/+2
The driver used to depend on BIOS settings for deciding whether it is OK to use DMA. However it seems that BIOS doesn't always handle all cases correctly so just let IDE core to decide about this. It should be a safe thing to do now, after the driver went through heavy bugfixing. Thanks for bugreport and testing the patch goes out to Sven Niedner. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20serverworks: always tune PIOBartlomiej Zolnierkiewicz1-40/+36
* Always set ->autotune so PIO gets correctly auto-tuned (previously ->autotune was only set when ->dma_base wasn't available, however ->ide_dma_check()/->speedproc() was always trying to tune PIO when tuning DMA). * Move code responsible for programming chipset for PIO mode from svwks_tune_chipset() to svwks_tune_pio(). Don't tune PIO when tuning DMA (this is no longer needed since ->autotune is always set now). * Handle PIO modes early in svwks_tune_chipset() so DMA configuration registers don't get cleared when programming PIO mode. * Bump driver version. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: add ide_pci_device_t.host_flags (take 2)Bartlomiej Zolnierkiewicz35-94/+25
* Rename ide_pci_device_t.flags to ide_pci_device_t.host_flags and IDEPCI_FLAG_ISA_PORTS flag to IDE_HFLAG_ISA_PORTS. * Add IDE_HFLAG_SINGLE flag for single channel devices. * Convert core code and all IDE PCI drivers to use IDE_HFLAG_SINGLE and remove no longer needed ide_pci_device_t.channels field. v2: * Fix issues noticed by Sergei: - correct code alignment in scc_pata.c - s/IDE_HFLAG_SINGLE/~IDE_HFLAG_SINGLE/ in serverworks.c Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: add ide_dev_has_iordy() helper (take 4)Bartlomiej Zolnierkiewicz3-10/+13
* Add ide_dev_has_iordy() helper and use it sl82c105 host driver. * Remove no longer needed ide_pio_data_t.use_iordy field. v2/v3: * Fix issues noticed by Sergei: - correct patch description - fix comment in ide_get_best_pio_mode() v4: * Fix "ata_" prefix (Noticed by Jeff). Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: make ide_get_best_pio_mode() print info if overriding PIO modeBartlomiej Zolnierkiewicz4-11/+12
* Print info about overriding PIO mode in ide_get_best_pio_mode(). * Remove info about overriding PIO mode from cmd64{0,x} host drivers. * Remove no longer needed ide_pio_data_t.overridden field. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20siimage: PIO mode setup fixes (take 2)Bartlomiej Zolnierkiewicz1-98/+39
* Add sil_tuneproc() wrapper for siimage_tuneproc() which also sets PIO mode on the device. * Add missing ide_get_best_pio_mode() call to sil_tuneproc() so "pio" == 255 (autotune) is handled correctly (previously PIO0 was used) and "pio" values > 4 && < 255 are filtered to PIO4 (instead of PIO0). * Add code limiting maximum PIO mode according to the pair device capabilities to sil_tuneproc(). * Convert users of config_siimage_chipset_for_pio() to use sil_tune_pio() and sil_tuneproc(). This fixes PIO fallback in siimage_config_drive_for_dma() to use max PIO mode available instead of PIO4 (config_siimage_chipset_for_pio() used wrong arguments for ide_get_best_pio_mode() and as a results always tried to set PIO4). * Remove no longer needed siimage_taskfile_timing() and config_siimage_chipset_for_pio(). * Enable ->autotune unconditionally and remove PIO tuning for UDMA/MDMA modes from siimage_speedproc() * Bump driver version. v2: * Fix issues noticed by Sergei: - correct pair device check - trim only taskfile PIO to the slowest of the master/slave - enable ->autotune unconditionally and remove PIO tuning for UDMA/MDMA modes from siimage_speedproc() - add TODO item for IORDY bugs - minor cleanups Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20atiixp: PIO mode setup fixesBartlomiej Zolnierkiewicz1-13/+19
* Split off exisiting atiixp_tuneproc() into atiixp_tune_pio() and then add setting device PIO mode to atiixp_tuneproc(). * Add missing ide_get_best_pio_mode() call to atiixp_tuneproc() so "pio" == 255 (autotune) is handled correctly and "pio" values > 4 && < 255 are filtered to PIO4 (previously "pio" == 5 could result in wrong timings being used and "pio" values > 4 && < 255 in an OOPS). * Handle PIO modes early in atiixp_speedproc() so save_mdma_mode[] doesn't get cleared. * In atiixp_dma_check(): - fix max_mode argument for ide_get_best_pio_mode() - don't call atiixp_dma_2_pio() so PIO1 doesn't get remapped to PIO0 - use atiixp_tuneproc() instead of atiixp_speedproc() * Bump driver version. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: Stop mapping ROMsAlan Cox5-38/+2
Various old IDE drivers go mapping ROM devices for no apparent reason and without using the ROM mapping API we now have. They don't actually use the ROM they map and the new libata drivers are happy without it being mapped so rather than port them lets just junk it for the next -rc1. Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Andrew Morton <akpm@osdl.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20IDE: Remove references to dead ETRAX-related variables.Robert P. J. Day1-6/+0
The two CONFIG variables CONFIG_ETRAX_IDE_CSE1_16_RESET CONFIG_ETRAX_IDE_CSP0_8_RESET appear to have been dead since way back in 2.5.xx days: http://www.linuxhq.com/kernel/v2.5/75/arch/cris/drivers/Kconfig Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Cc: Michael Starvik <starvik@axis.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20PCMCIA: Add another MemoryCard to ide-cs/pata_pcmciaMarcin Juszkiewicz2-0/+2
One card submitted by user. Signed-off-by: Marcin Juszkiewicz <openembedded@hrw.one.pl> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20scc_pata.c: Workaround for errata A308 (take 2)Kou Ishizaki1-13/+54
Workaround for errata A308: turn down the UDMA mode and retry the DMA command when the data lost condition is detected. take2: udma_filter() hook is used to limit ATAPI UDMA mode. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Akira Iguchi <akira2.iguchi@toshiba.co.jp> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20scc_pata: Use inline function for eieioKumar Gala1-2/+2
Move to using inline function variant of eieio instead of inline assmebly. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Cc: kou.ishizaki@toshiba.co.jp Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-19i386: Allow KVM on i386 nonpaeAvi Kivity6-18/+6
Currently, CONFIG_X86_CMPXCHG64 both enables boot-time checking of the cmpxchg64b feature and enables compilation of the set_64bit() family. Since the option is dependent on PAE, and since KVM depends on set_64bit(), this effectively disables KVM on i386 nopae. Simplify by removing the config option altogether: the boot check is made dependent on CONFIG_X86_PAE directly, and the set_64bit() family is exposed without constraints. It is up to users to check for the feature flag (KVM does not as virtualiation extensions imply its existence). Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19Update .gitignore for arch/i386/bootMatthew Wilcox2-0/+4
With the new setup code, we generate a couple more files Signed-off-by: Matthew Wilcox <matthew@wil.cx> [ .. and do the same for x86-64 - Alexey ] Acked-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19fix spufs build after ->fault changesChristoph Hellwig1-11/+11
83c54070ee1a2d05c89793884bea1a03f2851ed4 broke spufs by incorrectly updating the code, this patch gets it to compile again. It's probably still broken due to the scheduler changes, but this at least makes sure cell kernels can still be built. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19random: fix bound check ordering (CVE-2007-3105)Matt Mackall1-2/+7
If root raised the default wakeup threshold over the size of the output pool, the pool transfer function could overflow the stack with RNG bytes, causing a DoS or potential privilege escalation. (Bug reported by the PaX Team <pageexec@freemail.hu>) Cc: Theodore Tso <tytso@mit.edu> Cc: Willy Tarreau <w@1wt.eu> Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19user namespace: fix copy_user_ns return valueSerge E. Hallyn1-1/+1
When a CONFIG_USER_NS=n and a user tries to unshare some namespace other than the user namespace, the dummy copy_user_ns returns NULL rather than the old_ns. This value then gets assigned to task->nsproxy->user_ns, so that a subsequent setuid, which uses task->nsproxy->user_ns, causes a NULL pointer deref. Fix this by returning old_ns. Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19slub: fix ksize() for zero-sized pointersLinus Torvalds1-1/+1
The slab and slob allocators already did this right, but slub would call "get_object_page()" on the magic ZERO_SIZE_PTR, with all kinds of nasty end results. Noted by Ingo Molnar. Cc: Ingo Molnar <mingo@elte.hu> Cc: Christoph Lameter <clameter@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19Fix up non-NUMA SLAB configuration for zero-sized allocationsLinus Torvalds1-2/+2
I suspect Christoph tested his code only in the NUMA configuration, for the combination of SLAB+non-NUMA the zero-sized kmalloc's would not work. Of course, this would only trigger in configurations where those zero- sized allocations happen (not very common), so that may explain why it wasn't more widely noticed. Seen by by Andi Kleen under qemu, and there seems to be a report by Michael Tsirkin on it too. Cc: Andi Kleen <ak@suse.de> Cc: Roland Dreier <rdreier@cisco.com> Cc: Michael S. Tsirkin <mst@dev.mellanox.co.il> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Christoph Lameter <clameter@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19[PATCH] sched: implement cpu_clock(cpu) high-speed time sourceIngo Molnar2-0/+24
Implement the cpu_clock(cpu) interface for kernel-internal use: high-speed (but slightly incorrect) per-cpu clock constructed from sched_clock(). This API, unused at the moment, will be used in the future by blktrace, by the softlockup-watchdog, by printk and by lockstat. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-19[PATCH] sched: fix the all pinned logic in load_balance_newidle()Suresh Siddha1-2/+4
nr_moved is not the correct check for triggering all pinned logic. Fix the all pinned logic in the case of load_balance_newidle(). Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-19[PATCH] sched: fix newly idle load balance in case of SMTSuresh Siddha1-3/+5
In the presence of SMT, newly idle balance was never happening for multi-core and SMP domains (even when both the logical siblings are idle). If thread 0 is already idle and when thread 1 is about to go to idle, newly idle load balance always think that one of the threads is not idle and skips doing the newly idle load balance for multi-core and SMP domains. This is because of the idle_cpu() macro, which checks if the current process on a cpu is an idle process. But this is not the case for the thread doing the load_balance_newidle(). Fix this by using runqueue's nr_running field instead of idle_cpu(). And also skip the logic of 'only one idle cpu in the group will be doing load balancing' during newly idle case. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-19[PATCH] sched: sched_cacheflush is now unusedRalf Baechle16-149/+0
Since Ingo's recent scheduler rewrite which was merged as commit 0437e109e1841607f2988891eaa36c531c6aa6ac sched_cacheflush is unused. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-19NFSv4: handle lack of clientaddr in option stringJeff Layton1-0/+7
If a NFSv4 mount is attempted with string based options, and the option string doesn't contain a clientaddr= option, the kernel will currently oops. Check for this situation and return a proper error. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSv4: debug print ntohl(status) in nfs client callback xdr codeBenny Halevy1-5/+5
status in nfs client callback xdr code is passed in network order. print it in host order for better readability. Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19SUNRPC: Clean up the sillyrename codeTrond Myklebust7-202/+120
Fix a couple of bugs: - Don't rely on the parent dentry still being valid when the call completes. Fixes a race with shrink_dcache_for_umount_subtree() - Don't remove the file if the filehandle has been labelled as stale. Fix a couple of inefficiencies - Remove the global list of sillyrenamed files. Instead we can cache the sillyrename information in the dentry->d_fsdata - Move common code from unlink_setup/unlink_done into fs/nfs/unlink.c Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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