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* Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6Linus Torvalds2006-03-244-14/+18
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6: (36 commits) [PATCH] hwmon: add required idr locking [PATCH] I2C: hwmon: Rename register parameters [PATCH] I2C: Drop unneeded i2c-dev.h includes [PATCH] I2C: i2c-ixp4xx: Add hwmon class [PATCH] I2C: i2c-piix4: Add Broadcom HT-1000 support [PATCH] I2C: i2c-amd756-s4882: Improve static mutex initialization [PATCH] I2C: i2c-ali1535: Drop redundant mutex [PATCH] i2c: Cleanup isp1301_omap [PATCH] i2c: Fix i2c-ite name initialization [PATCH] i2c: Drop the i2c-frodo bus driver [PATCH] i2c: Optimize core_lists mutex usage [PATCH] w83781d: Don't reset the chip by default [PATCH] w83781d: Document the alarm and beep bits [PATCH] w83627ehf: Refactor the sysfs interface [PATCH] hwmon: Support the Pentium M VID code [PATCH] hwmon: Add support for the Winbond W83687THF [PATCH] hwmon: f71805f semaphore to mutex conversions [PATCH] hwmon: Semaphore to mutex conversions [PATCH] i2c: Semaphore to mutex conversions, part 3 [PATCH] i2c: Semaphore to mutex conversions, part 2 ...
| * [PATCH] I2C: i2c-piix4: Add Broadcom HT-1000 supportMartin Devera2006-03-231-0/+1
| | | | | | | | | | | | | | | | | | | | Add Broadcom HT-1000 south bridge's PCI ID to i2c-piix driver. Note that at least on Supermicro H8SSL it uses non-standard SMBHSTCFG = 3 and standard values like 0 or 9 causes hangup. Signed-off-by: Martin Devera <devik@cdi.cz> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * [PATCH] i2c: Drop the i2c-frodo bus driverJean Delvare2006-03-231-1/+0
| | | | | | | | | | | | | | | | Drop the i2c-frodo bus driver. It isn't referenced by the build system, and depends on code which was never included in 2.6 kernels. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * [PATCH] i2c: Semaphore to mutex conversions, part 2Ingo Molnar2006-03-231-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | semaphore to mutex conversion. the conversion was generated via scripts, and the result was validated automatically via a script as well. build tested. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * [PATCH] hwmon: Refactor SENSOR_DEVICE_ATTR_2Jim Cromie2006-03-231-5/+7
| | | | | | | | | | | | | | | | | | | | | | This patch refactors SENSOR_DEVICE_ATTR_2 macro, following pattern set by SENSOR_ATTR. First it creates a new macro SENSOR_ATTR_2() which expands to an initialization expression, then it uses that in SENSOR_DEVICE_ATTR_2, which declares and initializes a struct sensor_device_attribute_2. Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * [PATCH] hwmon: Allow sensor attributes arraysJim Cromie2006-03-231-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch refactors SENSOR_DEVICE_ATTR macro. First it creates a new macro SENSOR_ATTR() which expands to an initialization expression, then it uses that in SENSOR_DEVICE_ATTR, which declares and initializes a struct sensor_device_attribute. IOW, SENSOR_ATTR() imitates __ATTR() in include/linux/device.h. Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds2006-03-242-3/+10
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (49 commits) [PATCH] acpiphp: fix acpi_path_name [PATCH] ibmphp: remove TRUE and FALSE [PATCH] PCI Hotplug: add common acpi functions to core [PATCH] PCI: kzalloc() conversion in drivers/pci [PATCH] acpiphp: Scan slots under the nested P2P bridge [PATCH] PCI Hotplug: SN: Fix cleanup on hotplug removal of PPB [PATCH] shpchp: cleanup bus speed handling [PATCH] PCI: fix pci_request_region[s] arg [PATCH] PCI: Provide a boot parameter to disable MSI [PATCH] PCI: the scheduled removal of PCI_LEGACY_PROC [PATCH] PCI: cpqphp_ctrl.c: board_replaced(): remove dead code [PATCH] acpiphp: fix bridge handle [PATCH] acpiphp - slot management fix - V4 [PATCH] acpi: remove dock event handling from ibm_acpi [PATCH] acpiphp: add dock event handling [PATCH] acpi: export acpi_bus_trim [PATCH] acpiphp: add new bus to acpi [PATCH] PCI: Move pci_dev_put outside a spinlock [PATCH] PCI: PCI/Cardbus cards hidden, needs pci=assign-busses to fix [PATCH] PCI: fix problems with MSI-X on ia64 ...
| * | [PATCH] PCI: fix pci_request_region[s] argJeff Garzik2006-03-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Add missing 'const' to pci_request_region[s] 'res_name' arg, since we pass it directly to __request_region(), whose 'name' arg is also const. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | [PATCH] acpi: export acpi_bus_trimKristen Accardi2006-03-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Export the acpi_bus_trim function so that the pci hotplug driver can use it. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | [PATCH] PCI: make MSI quirk inheritable from the pci busMichael S. Tsirkin2006-03-231-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | It turns out AMD 8131 quirk only affects MSI for devices behind the 8131 bridge. Handle this by adding a flags field in pci_bus, inherited from parent to child. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | [PATCH] PCI: return max reserved busnrKristen Accardi2006-03-231-0/+1
| |/ | | | | | | | | | | | | | | Change the semantics of this call to return the max reserved bus number instead of just the max assigned bus number. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2006-03-242-1/+5
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [TG3]: Update driver version and reldate. [TG3]: Add 5755 nvram support [TG3]: Add 5755 support [IPV6]: ip6_xmit: remove unnecessary NULL ptr check [NET_SCHED]: cls_u32: remove unnecessary NULL-ptr check [IPV4]: Add fib rule netlink notifications [BNX2]: Update version and reldate [BNX2]: Separate tx producer and consumer fields [BNX2]: Move .h files to bnx2.c [BNX2]: Combine small mem allocations [BNX2]: Fix link change handling [PKTGEN]: Add MPLS extension.
| * [TG3]: Add 5755 supportMichael Chan2006-03-231-0/+2
| | | | | | | | | | | | | | Add support for new chip 5755 which is very similar to 5787. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV4]: Add fib rule netlink notificationsPatrick McHardy2006-03-231-1/+3
| | | | | | | | | | | | | | | | | | | | To really make sense of route notifications in the presence of multiple tables, userspace also needs to be notified about routing rule updates. Notifications are sent to the so far unused RTNLGRP_NOP1 (now RTNLGRP_RULE) group. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] more for_each_cpu() conversionsAndrew Morton2006-03-238-35/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we stop allocating percpu memory for not-possible CPUs we must not touch the percpu data for not-possible CPUs at all. The correct way of doing this is to test cpu_possible() or to use for_each_cpu(). This patch is a kernel-wide sweep of all instances of NR_CPUS. I found very few instances of this bug, if any. But the patch converts lots of open-coded test to use the preferred helper macros. Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Acked-by: Kyle McMartin <kyle@parisc-linux.org> Cc: Anton Blanchard <anton@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: Andi Kleen <ak@muc.de> Cc: Christian Zankel <chris@zankel.net> Cc: Philippe Elie <phil.el@wanadoo.fr> Cc: Nathan Scott <nathans@sgi.com> Cc: Jens Axboe <axboe@suse.de> Cc: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] get_empty_filp tweaks, inline epoll_init_file()Benjamin LaHaise2006-03-231-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | Eliminate a handful of cache references by keeping current in a register instead of reloading (helps x86) and avoiding the overhead of a function call. Inlining eventpoll_init_file() saves 24 bytes. Also reorder file initialization to make writes occur more sequentially. Signed-off-by: Benjamin LaHaise <bcrl@linux.intel.com> Cc: Davide Libenzi <davidel@xmailserver.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] atomic: add_unless cmpxchg optimiseNick Piggin2006-03-236-10/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Without branch hints, the very unlikely chance of the loop repeating due to cmpxchg failure is unrolled with gcc-4 that I have tested. Improve this for architectures with a native cas/cmpxchg. llsc archs should try to implement this natively. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Andi Kleen <ak@muc.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] kernel/rcupdate.c: make two structs staticAdrian Bunk2006-03-231-2/+0
| | | | | | | | | | | | | | | | This patch makes two needlessly global structs static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] pause_on_oops command line optionAndrew Morton2006-03-231-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Attempt to fix the problem wherein people's oops reports scroll off the screen due to repeated oopsing or to oopses on other CPUs. If this happens the user can reboot with the `pause_on_oops=<seconds>' option. It will allow the first oopsing CPU to print an oops record just a single time. Second oopsing attempts, or oopses on other CPUs will cause those CPUs to enter a tight loop until the specified number of seconds have elapsed. The patch implements the infrastructure generically in the expectation that architectures other than x86 will find it useful. Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] kill _INLINE_Adrian Bunk2006-03-231-9/+3
| | | | | | | | | | | | | | | | | | | | | | This patch removes all occurances of _INLINE_ in the kernel. With the exception of tty_flip.h, I've simply removed the inline's since gcc should know best which functions to be inlined. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] notifier: profile.h forward decl fixAndrew Morton2006-03-231-1/+1
| | | | | | | | | | | | | | | | Declarations use struct notifier_block on both legs of the ifdef, so move the notifier_block forward declaration outside the ifdef. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] make bug messages more consistentIngo Molnar2006-03-231-2/+2
| | | | | | | | | | | | | | | | | | Consolidate all kernel bug printouts to begin with the "BUG: " string. Makes it easier to find them in large bootup logs. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Extract inode_inc_link_count(), inode_dec_link_count()Alexey Dobriyan2006-03-231-0/+12
| | | | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fat_lock is used as a mutex, convert it to using the new mutex primitiveArjan van de Ven2006-03-231-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | The fat code uses the fat_lock always in a mutex way (taking and releasing the lock in the same function), the patch below converts it into the new mutex primitive. Please consider this patch for the code. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: serial ->port_write_mutexIngo Molnar2006-03-231-1/+3
| | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: UDFIngo Molnar2006-03-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: NCPFSIngo Molnar2006-03-232-3/+4
| | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] convert ext3's truncate_sem to a mutexArjan van de Ven2006-03-231-3/+4
| | | | | | | | | | | | | | | | | | ext3's truncate_sem is always released in the same function it's taken and it otherwise is a mutex as well.. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: drivers/block/nbd.cIngo Molnar2006-03-231-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Paul Clements <Paul.Clements@steeleye.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: drivers/block/loop.cIngo Molnar2006-03-231-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: fs/seq_file.cIngo Molnar2006-03-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: kprobesIngo Molnar2006-03-231-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: jbd, j_checkpoint_mutexArjan van de Ven2006-03-231-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: ipruneIngo Molnar2006-03-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: vfs_rename_mutexArjan van de Ven2006-03-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Al Viro <viro@ftp.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: ttyIngo Molnar2006-03-231-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: inotifyIngo Molnar2006-03-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: John McCutchan <ttb@tentacle.dhs.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Acked-by: Robert Love <rml@novell.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: quotaIngo Molnar2006-03-231-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Jan Kara <jack@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sem2mutex: blockdev #2Arjan van de Ven2006-03-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Move read_mostly definition to asm/cache.hKyle McMartin2006-03-236-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Seems like needless clutter having a bunch of #if defined(CONFIG_$ARCH) in include/linux/cache.h. Move the per architecture section definition to asm/cache.h, and keep the if-not-defined dummy case in linux/cache.h to catch architectures which don't implement the section. Verified that symbols still go in .data.read_mostly on parisc, and the compile doesn't break. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] kill cdrom ->dev_ioctl methodChristoph Hellwig2006-03-231-4/+1
| | | | | | | | | | | | | | | | | | | | | | Since early 2.4.x all cdrom drivers implement the block_device methods themselves, so they can handle additional ioctls directly instead of going through the cdrom layer. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Shrinks sizeof(files_struct) and better layoutEric Dumazet2006-03-232-9/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1) Reduce the size of (struct fdtable) to exactly 64 bytes on 32bits platforms, lowering kmalloc() allocated space by 50%. 2) Reduce the size of (files_struct), using a special 32 bits (or 64bits) embedded_fd_set, instead of a 1024 bits fd_set for the close_on_exec_init and open_fds_init fields. This save some ram (248 bytes per task) as most tasks dont open more than 32 files. D-Cache footprint for such tasks is also reduced to the minimum. 3) Reduce size of allocated fdset. Currently two full pages are allocated, that is 32768 bits on x86 for example, and way too much. The minimum is now L1_CACHE_BYTES. UP and SMP should benefit from this patch, because most tasks will touch only one cache line when open()/close() stdin/stdout/stderr (0/1/2), (next_fd, close_on_exec_init, open_fds_init, fd_array[0 .. 2] being in the same cache line) Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] ext3_readdir: use generic readaheadAndrew Morton2006-03-231-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Linus points out that ext3_readdir's readahead only cuts in when ext3_readdir() is operating at the very start of the directory. So for large directories we end up performing no readahead at all and we suck. So take it all out and use the core VM's page_cache_readahead(). This means that ext3 directory reads will use all of readahead's dynamic sizing goop. Note that we're using the directory's filp->f_ra to hold the readahead state, but readahead is actually being performed against the underlying blockdev's address_space. Fortunately the readahead code is all set up to handle this. Tested with printk. It works. I was struggling to find a real workload which actually cared. (The patch also exports page_cache_readahead() to GPL modules) Cc: "Stephen C. Tweedie" <sct@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] swsusp: add check for suspension of X-controlled devicesRafael J. Wysocki2006-03-231-0/+5
| | | | | | | | | | | | | | | | | | | | It is unsafe to suspend devices if the hardware is controlled by X. Add an extra check to prevent this from happening. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] kernel/power: move externs to header filesRandy Dunlap2006-03-231-1/+2
| | | | | | | | | | | | | | | | | | | | Move externs from C source files to header files. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] swsusp: low level interfaceRafael J. Wysocki2006-03-231-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce the low level interface that can be used for handling the snapshot of the system memory by the in-kernel swap-writing/reading code of swsusp and the userland interface code (to be introduced shortly). Also change the way in which swsusp records the allocated swap pages and, consequently, simplifies the in-kernel swap-writing/reading code (this is necessary for the userland interface too). To this end, it introduces two helper functions in mm/swapfile.c, so that the swsusp code does not refer directly to the swap internals. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] x86: Make _syscallX() macros compile in PIC modeMarkus Gutschke2006-03-231-15/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | Gcc reserves %ebx when compiling position-independent-code on i386. This means, the _syscallX() macros in include/asm-i386/unistd.h will not compile. This patch is changes the existing macros to take special care to preserve %ebx. The bug can be tracked at http://bugzilla.kernel.org/show_bug.cgi?id=6204 Signed-off-by: Markus Gutschke <markus@google.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] i386 spinlocks: disable interrupts only if we enabled themChuck Ebbert2006-03-231-4/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | _raw_spin_lock_flags() is entered with interrupts disabled. If it cannot obtain a spinlock, it checks the flags that were passed and re-enables interrupts before spinning if that's how the flags are set. When the spinlock might be available, it disables interrupts (even if they are already disabled) before trying to get the lock. Change that so interrupts are only disabled if they have been enabled. This costs nine bytes of duplicated spinloop code. Fastpath before patch: jle <keep looping> not-taken conditional jump cli disable interrupts jmp <try for lock> unconditional jump Fastpath after patch, if interrupts were not enabled: jg <try for lock> taken conditional branch Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Fix the imlicit declaration of mtrr_centaur_report_mcr in ↵Jesper Juhl2006-03-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | arch/i386/kernel/cpu/centaur.c arch/i386/kernel/cpu/centaur.c: In function `centaur_mcr_insert': arch/i386/kernel/cpu/centaur.c:33: warning: implicit declaration of function `mtrr_centaur_report_mcr' Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] i386: fix uses of user_mode() vs. user_mode_vm()Jan Beulich2006-03-233-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | >commit 76381fee7e8feb4c22be636aa5d4765dbe4fbf9e >Author: Vincent Hanquez <vincent.hanquez@cl.cam.ac.uk> >Date: Thu Jun 23 00:08:46 2005 -0700 > > [PATCH] xen: x86_64: use more usermode macro > > Make use of the user_mode macro where it's possible. This is useful for Xen > because it will need only to redefine only the macro to a hypervisor call. I am of the opinion that the above changeset is incomplete, i.e. it missed converting some previous uses of user_mode to user_mode_vm. While most of them could be considered just cosmetical, at least the one in die_nmi doesn't appear to be. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Vincent Hanquez <vincent.hanquez@cl.cam.ac.uk> Cc: Zachary Amsden <zach@vmware.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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