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* [PATCH] keys: Discard key spinlock and use RCU for key payloadDavid Howells2005-06-2410-348/+480
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The attached patch changes the key implementation in a number of ways: (1) It removes the spinlock from the key structure. (2) The key flags are now accessed using atomic bitops instead of write-locking the key spinlock and using C bitwise operators. The three instantiation flags are dealt with with the construction semaphore held during the request_key/instantiate/negate sequence, thus rendering the spinlock superfluous. The key flags are also now bit numbers not bit masks. (3) The key payload is now accessed using RCU. This permits the recursive keyring search algorithm to be simplified greatly since no locks need be taken other than the usual RCU preemption disablement. Searching now does not require any locks or semaphores to be held; merely that the starting keyring be pinned. (4) The keyring payload now includes an RCU head so that it can be disposed of by call_rcu(). This requires that the payload be copied on unlink to prevent introducing races in copy-down vs search-up. (5) The user key payload is now a structure with the data following it. It includes an RCU head like the keyring payload and for the same reason. It also contains a data length because the data length in the key may be changed on another CPU whilst an RCU protected read is in progress on the payload. This would then see the supposed RCU payload and the on-key data length getting out of sync. I'm tempted to drop the key's datalen entirely, except that it's used in conjunction with quota management and so is a little tricky to get rid of. (6) Update the keys documentation. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64: fix seccomp with 32-bit userlandAndrea Arcangeli2005-06-241-2/+2
| | | | | | | | | | | | The seccomp check has to happen when entering the syscall and not when exiting it or regs->gpr[0] contains garabge during signal handling in ppc64_rt_sigreturn (this actually might be a bug too, but an orthogonal one, since we really have to run the check before invoking the syscall and not after it). Signed-off-by: Andrea Arcangeli <andrea@cpushare.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds2005-06-231-2/+2
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| * [IA64] Fix pfn_to_nid() so the kernel compiles again for !CONFIG_DISCONTIGMEM.David Mosberger-Tang2005-06-231-2/+2
| | | | | | | | | | Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2005-06-2324-1060/+2304
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| * | [TCP]: Add Scalable TCP congestion control module.John Heffner2005-06-233-0/+78
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements Tom Kelly's Scalable TCP congestion control algorithm for the modular framework. The algorithm has some nice scaling properties, and has been used a fair bit in research, though is known to have significant fairness issues, so it's not really suitable for general purpose use. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Add H-TCP congestion control module.Baruch Even2005-06-233-0/+303
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | H-TCP is a congestion control algorithm developed at the Hamilton Institute, by Douglas Leith and Robert Shorten. It is extending the standard Reno algorithm with mode switching is thus a relatively simple modification. H-TCP is defined in a layered manner as it is still a research platform. The basic form includes the modification of beta according to the ratio of maxRTT to min RTT and the alpha=2*factor*(1-beta) relation, where factor is dependant on the time since last congestion. The other layers improve convergence by adding appropriate factors to alpha. The following patch implements the H-TCP algorithm in it's basic form. Signed-Off-By: Baruch Even <baruch@ev-en.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Add TCP Vegas congestion control module.Stephen Hemminger2005-06-233-0/+423
| | | | | | | | | | | | | | | | | | | | | | | | | | | TCP Vegas code modified for the new TCP infrastructure. Vegas now uses microsecond resolution timestamps for better estimation of performance over higher speed links. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Add TCP Hybla congestion control module.Daniele Lacamera2005-06-233-0/+198
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TCP Hybla congestion avoidance. - "In heterogeneous networks, TCP connections that incorporate a terrestrial or satellite radio link are greatly disadvantaged with respect to entirely wired connections, because of their longer round trip times (RTTs). To cope with this problem, a new TCP proposal, the TCP Hybla, is presented and discussed in the paper[1]. It stems from an analytical evaluation of the congestion window dynamics in the TCP standard versions (Tahoe, Reno, NewReno), which suggests the necessary modifications to remove the performance dependence on RTT.[...]"[1] [1]: Carlo Caini, Rosario Firrincieli, "TCP Hybla: a TCP enhancement for heterogeneous networks", International Journal of Satellite Communications and Networking Volume 22, Issue 5 , Pages 547 - 566. September 2004. Signed-off-by: Daniele Lacamera (root at danielinux.net)net Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Add High Speed TCP congestion control module.John Heffner2005-06-233-0/+193
| | | | | | | | | | | | | | | | | | | | | | | | | | | Sally Floyd's high speed TCP congestion control. This is useful for comparison and research. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Add TCP Westwood congestion control module.Stephen Hemminger2005-06-233-0/+275
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is the existing 2.6.12 Westwood code moved from tcp_input to the new congestion framework. A lot of the inline functions have been eliminated to try and make it clearer. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Add TCP BIC congestion control module.Stephen Hemminger2005-06-233-0/+353
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TCP BIC congestion control reworked to use the new congestion control infrastructure. This version is more up to date than the BIC code in 2.6.12; it incorporates enhancements from BICTCP 1.1, to handle low latency links. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Update sysctl and congestion control documentation.Stephen Hemminger2005-06-232-52/+73
| | | | | | | | | | | | | | | | | | | | | | | | | | | Update the documentation to remove the old sysctl values and include the new congestion control infrastructure. Includes changes to tcp.txt by Ian McDonald. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Report congestion control algorithm in tcp_diag.Stephen Hemminger2005-06-232-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | Enhancement to the tcp_diag interface used by the iproute2 ss command to report the tcp congestion control being used by a socket. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Change tcp_diag to use the existing __RTA_PUT() macro.Stephen Hemminger2005-06-231-7/+2
| | | | | | | | | | | | | | | Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Add pluggable congestion control algorithm infrastructure.Stephen Hemminger2005-06-2313-999/+399
| |/ | | | | | | | | | | | | | | | | | | Allow TCP to have multiple pluggable congestion control algorithms. Algorithms are defined by a set of operations and can be built in or modules. The legacy "new RENO" algorithm is used as a starting point and fallback. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-06-237-27/+167
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| * | [PATCH] ARM: 2730/1: S3C2410 default configuration updateBen Dooks2005-06-231-9/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Ben Dooks Add support for the DM9000 and bring default configuration up-to-date with the latest 2.6.12 kernel release Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [PATCH] ARM: 2729/1: DM9000 platform support for S3C2410 machines (BAST, VR1000)Ben Dooks2005-06-232-9/+117
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Ben Dooks Add platform_device information for DM9000 chip(s) on the Simtec BAST and the VR1000 board. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [PATCH] ARM: 2728/1: S3C2410 - fix constant warning on serial device nameBen Dooks2005-06-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Ben Dooks Remove warning of casting `const char *` to a `char *` type. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [PATCH] ARM: 2722/1: remove reliance on udivdi3 for nwfpeNicolas Pitre2005-06-232-6/+28
| | | | | | | | | | | | | | | | | | | | | Patch from Nicolas Pitre Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [PATCH] ARM: 2721/1: remove reliance on udivdi3 for pxafb driverNicolas Pitre2005-06-231-1/+2
| | | | | | | | | | | | | | | | | | | | | Patch from Nicolas Pitre Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2005-06-232-10/+47
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| * | [PATCH] Serial: Bugs are not capabilitiesRussell King2005-06-231-4/+4
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [PATCH] Serial: Mobility's 16550A ports need a helping handRussell King2005-06-232-0/+32
| | | | | | | | | | | | | | | | | | | | | | | | The Mobility 16550A serial ports don't behave the same as standard 16550A ports, and need a helping hand to get them going once the transmitter has drained and been disabled. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [PATCH] Serial: Convert 8250 revision-based bug fixes to bug bitmaskRussell King2005-06-232-10/+15
| |/ | | | | | | | | | | | | | | | | For some 8250 port types, we used to check the type of the port, and then determine whether the chip revision means the device is buggy. Instead, introduce a bit array, and set the appropriate bit(s) when we discover a buggy device. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [PATCH] Add removal schedule of register_serial/unregister_serial to ↵Russell King2005-06-231-0/+10
| | | | | | | | appropriate file
* | [PATCH] better USB_MON dependenciesAdrian Bunk2005-06-235-13/+8
| | | | | | | | | | | | | | This makes the USB_MON less confusing. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/paulus/ppc64-2.6Linus Torvalds2005-06-2344-754/+2918
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| * | [PATCH] Maple powerdown patchDavid Gibson2005-06-232-1/+79
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently reset and powerdown are not implemented on the Maple board, and attempting to do so will (incorrectly return). This implements the proper communication with the service processor, allowing correct reset and powerdown on the Maple board, by communicating with the service processor. If somehow it's unable to communicate with the service processor it will loop forever instead. Note that powerdown on the Maple will power down the CPUs, but not the fans or other board components due to hardware and firmware limitations. Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Frank Rowand <frowand@mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] pSeries - read irqs dynamicallyJohn Rose2005-06-235-18/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For I/O DLPAR to work properly, the kernel needs to allow for dynamic assignment of the irq field of the pci_dev structure upon dynamic bus addition. This patch moves the assignment of that field from pSeries_final_fixup() to pcibios_fixup_bus(), which enables dynamic assignment for the children of a newly added bus. Currently, pci_devs receive their irq numbers in one of two ways. The irq line is either read at boot for all pci_devs, or read by the rpaphp module at slot enable time. The latter is no longer sufficient for DLPAR addition of slots that don't qualify as PCI-hotplug capable. This solution handles the cases of boot and dynamic add. Signed-off-by: John Rose <johnrose@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] correct printing to operator panelMike Strosaker2005-06-232-25/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch corrects the printing of progress indicators to the op panel on p/iSeries ppc64 systems. Each discrete reference code should begin with a form feed char to clear the op panel, and the first and second lines should be separated with a CR/LF sequence. Padding with spaces is not necessary. Also, capitalize the hex value printed on the first line, to be consistent with the values printed by firmware, service processor, etc. It turns out that there's an ibm,form-feed property; this patch uses it in the pSeries-specific progress routine. This patch also checks the number of rows and the specific width of each row (the second row on power5 systems can actually hold 80 characters). If the displayed text is too wide for the physical display, it can be viewed in the ASM menus, or by selecting option 14 on the op panel. Signed-off-by: Mike Strosaker <strosake@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc64: Add driver for BPA iommuArnd Bergmann2005-06-234-2/+446
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implementation of software load support for the BE iommu. This is very different from other iommu code on ppc64, since we only do a static mapping. The mapping is currently hardcoded but should really be read from the firmware, but they don't set up the device nodes yet. There is a single 512MB DMA window for PCI, USB and ethernet at 0x20000000 for our RAM. The Cell processor can put the I/O page table either in memory like the hashed page table (hardware load) or have the operating system write the entries into memory mapped CPU registers (software load). I use the software load mechanism because I know that all I/O page table entries for the amount of installed physical memory fit into the IO TLB cache. At the point when we get machines with more than 4GB of installed memory, we can either use hardware I/O page table access like the other platforms do or dynamically update the I/O TLB entries when a page fault occurs in the I/O subsystem. The software load can then use the macros that I have implemented for the static mapping in order to do the TLB cache updates. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc64: Add driver for BPA interrupt controllersArnd Bergmann2005-06-238-11/+614
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for the integrated interrupt controller on BPA CPUs. There is one of those for each SMT thread. The mapping of interrupt numbers to HW interrupt sources is described in arch/ppc64/kernel/bpa_iic.h. This version hardcodes the 'Spider' chip as the secondary interrupt controller. That is not really generic for the architecture, but at the moment it is the only secondary PIC that exists. A little more work will be needed on this as soon as we have boards with multiple external interrupt controllers. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc64: add BPA platform typeArnd Bergmann2005-06-2315-9/+216
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds the basic support for running on BPA machines. So far, this is only the IBM workstation, and it will not run on others without a little more generalization. It should be possible to configure a kernel for any combination of CONFIG_PPC_BPA with any of the other multiplatform targets. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc64: add a watchdog driver for rtasUtz Bacher2005-06-233-0/+707
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a watchdog using the RTAS OS surveillance service. This is provided as a simpler alternative to rtasd. The added value is that it works with standard watchdog client programs and can therefore also do user space monitoring. On BPA, rtasd is not really useful because the hardware does not have much to report with event-scan. The driver should also work on other platforms that support the OS surveillance rtas calls. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc64: add a minimal nvram driverUtz Bacher2005-06-232-0/+119
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The firmware provides the location and size of the nvram in the device tree, so it does not really contain any hardware specific bits and could be used on other machines as well. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc64: pSeries_progress -> rtas_progressArnd Bergmann2005-06-234-106/+108
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The pSeries_progress function is called from some places in the rtas code, which may also be used by non-pSeries platforms. Though pSeries is currently the only platform type that implements display-character, the code is actually generic enough to be part of the rtas subsystem. I hit a bug here because the generic rtas code tried calling ppc_md.progress, which points to an __init function on most platforms. We could also clear the ppc_md.progress pointer when freeing the init memory to make it more explicit that ppc_md.progress must not be called after bootup. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc64: Split out generic rtas code from pSeries_pci.c.Arnd Bergmann2005-06-234-471/+506
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BPA is using rtas for PCI but should not be confused by pSeries code. This also avoids some #ifdefs. Other platforms that want to use rtas_pci.c could create their own platform_pci.c with platform specific fixups. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc64: rename pSeries rtc functions into rtas_*Arnd Bergmann2005-06-233-9/+11
| | | | | | | | | | | | | | | | | | | | | | | | The rtc rtas functions are not pSeries specific but can also be used by BPA and other SLOF based platforms Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc64: consolidate calibrate_decr implementationsArnd Bergmann2005-06-238-136/+76
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pSeries and maple have almost the same code for calibrate_decr, and BPA would need yet another copy. Instead, I'm moving the code to arch/ppc64/kernel/time.c. Some of the related declarations were missing from header files, so I'm moving those as well. It makes sense to merge this with the pmac function of the same name, so we end up having just one implemetation for iSeries and one for Open Firmware based machines. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | | [PATCH] sys_open() cleanupTelemaque Ndizihiwe2005-06-231-11/+7
| | | | | | | | | | | | | | | | | | | | | | | | Clean up tortured logic in sys_open(). Signed-off-by: Telemaque Ndizihiwe <telendiz@eircom.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Convert users to tty_unregister_ldisc()Alexey Dobriyan2005-06-2312-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | tty_register_ldisc(N_FOO, NULL) => tty_unregister_ldisc(N_FOO) 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] Introduce tty_unregister_ldisc()Alexey Dobriyan2005-06-233-14/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | It's a bit strange to see tty_register_ldisc call in modules' exit functions. 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] pwc-uncompress warning fixAndrew Morton2005-06-231-6/+5
| | | | | | | | | | | | | | | | | | | | | | | | drivers/usb/media/pwc/pwc-uncompress.c: In function `pwc_decompress': drivers/usb/media/pwc/pwc-uncompress.c:140: warning: unreachable code at beginning of switch statement Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] IDE CD reports current speedEric Piel2005-06-231-40/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current ide-cd driver reports the CDROM speed (as found in /proc/sys/dev/cdrom/info) as the current speed when loading the driver. Changing the speed of the cdrom drive (by "eject -x" for instance) doesn't update the speed reported by the kernel. Updating the info could be valuable for the user as it's the only way to know if the drive accepted the request or discarded it. It could even be used to list all the available speeds of the drive. The attached patch modifies the ide-cd driver so that after every speed change request the new speed is updated. Please note that the actual modification is very little but I had to touch quite a few lines in order to avoid to pre-declare the sub-functions. Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] add note about verify_area removal to feature-removal-schedule.txtJesper Juhl2005-06-231-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add note about the soon-to-come removal of verify_area() to Documentation/feature-removal-schedule.txt. Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] aio: make wait_queue ->task ->privateBenjamin LaHaise2005-06-232-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the upcoming aio_down patch, it is useful to store a private data pointer in the kiocb's wait_queue. Since we provide our own wake up function and do not require the task_struct pointer, it makes sense to convert the task pointer into a generic private pointer. Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] aio: fix do_sync_(read|write) to properly handle aio retriesBenjamin LaHaise2005-06-231-2/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When do_sync_(read|write) encounters an aio method that makes use of the retry mechanism, they fail to correctly retry the operation. This fixes that by adding the appropriate sleep and retry mechanism. Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] dpt_i2o: fix waitqueue abuseAndrew Morton2005-06-231-12/+5
| | | | | | | | | | | | | | | | | | | | | | | | The driver plays with waitqueue internals and fails to compile after Ben's "aio: make wait_queue ->task ->private" patch. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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