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* [PATCH] libata: move cdb_len for host to deviceTejun Heo2006-02-12
| | | | | | | | | cdb_len is per-device property. Sharing cdb_len on ap results in inaccurate configuration on revalidation and hotplugging. This patch makes cdb_len per-device. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: make ata_dev_knobble() per-deviceTejun Heo2006-02-12
| | | | | | | | | | ata_dev_knobble() unconditionally used the first device of the port to determine whether a device is bridged or not. This causes bridge limit to be incorrectly applied or unapplied for hosts with slave devices (e.g. ata_piix). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: don't do EDD handling if ->probe_reset is usedTejun Heo2006-02-12
| | | | | | | | EDD is never used with ->probe_reset. Don't handle EDD special case in ata_dev_identify if ->probe_reset is in use. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: make ata_dump_id() take @id instead of @devTejun Heo2006-02-12
| | | | | | | | Make ata_dump_id() take @id instead of @dev. This is preparation for splitting ata_dev_identify(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: separate out ata_id_major_version()Tejun Heo2006-02-12
| | | | | | | | | Separate out ATA major version calculation from ata_dev_identify() into ata_id_major_version(). It's preparation for splitting ata_dev_identify(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: separate out ata_id_n_sectors()Tejun Heo2006-02-12
| | | | | | | | Separate out n_sectors calculation into ata_id_n_sectors() from ata_dev_identify(). This will be used by revalidation. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: use ata_dev_id_c_string()Tejun Heo2006-02-12
| | | | | | | Use ata_dev_id_c_string() Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: implement ata_dev_id_c_string()Tejun Heo2006-02-12
| | | | | | | | | | ata_dev_id_c_string() reads ATA string from the specified offset of the given IDENTIFY PAGE and puts it in the specified buffer in trimmed and NULL-terminated form. The caller must supply a buffer which is one byte larger than the maximum size of the target ID string. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] ata_piix: kill spurious assignment in piix_sata_probe()Tejun Heo2006-02-12
| | | | | | | | In piix_sata_probe(), mask gets assigned unnecessarily at the beginning of the function. Kill the assignment. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: allow ->probe_reset to return ATA_DEV_UNKNOWNTejun Heo2006-02-12
| | | | | | | | | | This patch makes ata_bus_probe() normalize classes[] returned by ->probe_reset such that ->probe_reset can return ATA_DEV_UNKNOWN. This eases implementation of ->probe_reset's which don't directly use ata_drive_probe_reset(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: kill assert() macroTejun Heo2006-02-11
| | | | | | | libata assert() now has no user left. Kill it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: convert assert(xxx)'s in low-level drivers to WARN_ON(!xxx)'sTejun Heo2006-02-11
| | | | | | | | | This patch converts all assert(xxx)'s in low-level drivers to WARN_ON(!xxx)'s. After this patch, there is no in-kernel user of the libata assert() macro. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: convert assert(X)'s in libata core layer to WARN_ON(!X)'sTejun Heo2006-02-11
| | | | | | | | | | | | | | | | | | | In an effort to kill libata-specific assert() and use generic WARN_ON(), this patch converts all assert(X)'s in libata core layer to WARN_ON(!X)'s. Most conversions are straight-forward logical negation exception for the followings. * In libata-core.c:ata_fill_sg(), assert(qc->n_elem > 0) is converted to WARN_ON(qc->n_elem == 0) because qc->n_elem is unsigned and unsigned <= 0 is weird. * In libata-scsi.c:ata_gen_ata_desc/fixed_sense(), assert(NULL != qc->ap->ops->tf_read) is converted to WARN_ON(qc->ap->ops->tf_read == NULL), as there are no other users of 'constant cond var' style in libata. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] ahci: convert to new reset mechanismTejun Heo2006-02-11
| | | | | | | Convert ahci ->phy_reset to new reset mechanism. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] ahci: make ahci_fill_cmd_slot() take *pp instead of *apTejun Heo2006-02-11
| | | | | | | | Make ahci_fill_cmd_slot() take struct ahci_port_priv *pp instead of struct ata_port *ap as suggested by Jeff Garzik. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] libata: inline ata_qc_complete()Tejun Heo2006-02-11
| | | | | | | | This patch inlines ata_qc_complete() and uninlines __ata_qc_complete() as suggested by Jeff Garzik. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* Merge branch 'master'Jeff Garzik2006-02-11
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| * Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2006-02-10
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| | * [SERIAL] Remove incorrect code from ioc4 serial driverRussell King2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Serial drivers in general should not write uart_info->flags - they're private to serial_core. Serial drivers have no need to fiddle with tty->alt_speed, nor manipulate TTY_IO_ERROR in tty->flags. Fix the ioc4 serial driver for both these points by simply removing the offending code. Acked-by: pfg@sgi.com Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2006-02-10
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| | * | [ARM] 3326/1: H1940 - Control latchesBen Dooks2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Ben Dooks Define the bits for the two board control latches that control various items on the H1940 iPAQ. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 3314/1: S3C2400 - adds s3c2400.hLucas Correia Villa Real2006-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lucas Correia Villa Real This patch adds s3c2400.h, fixing the build for the 2410/2440 platforms. Signed-off-by: Lucas Correia Villa Real <lucasvr@gobolinux.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds2006-02-10
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| | * | | [PATCH] powerpc: Add CONFIG_DEFAULT_UIMAGE for embedded boardsKumar Gala2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Embedded boards that u-boot require a kernel image in the uImage format. This allows a given board to specify it wants a uImage built by default. This also fixes a warning at config time, as this symbol is referred to in arch/powerpc/platforms/83xx/Kconfig. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| | * | | [PATCH] powerpc: Add FSL USB node to documentationBecky Bruce2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Updated the documentation to include the definition of the USB device node format for Freescale SOC devices. Signed-off-by: Becky Bruce <becky.bruce@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| | * | | [PATCH] powerpc: unshare system call registrationJANAK DESAI2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Registers system call for the powerpc architecture. Signed-off-by: Janak Desai <janak@us.ibm.com> Cc: Al Viro <viro@ftp.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| | * | | ppc: Use the system call table from arch/powerpc/kernel/systbl.SPaul Mackerras2006-02-10
| | | |/ | | |/| | | | | | | | | | | | | | | | | | | | | With this, new system calls only have to be wired up in one place for ARCH=ppc and ARCH=powerpc, rather than 2. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | | [PATCH] Fix s390 build failure.Dave Jones2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | arch/s390/kernel/compat_signal.c:199: error: conflicting types for 'do_sigaction' include/linux/sched.h:1115: error: previous declaration of 'do_sigaction' was here Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] Updates for page migrationChristoph Lameter2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds some additional comments in order to help others figure out how exactly the code works. And fix a variable name. Also swap_page does need to ignore all reference bits when unmapping a page. Otherwise we may have to repeatedly unmap a frequently touched page. So change the try_to_unmap parameter to 1. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] tty buffering stall fixPaul Fulghum2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prevent stalled processing of received data when a driver allocates tty buffer space but does not immediately follow the allocation with more data and a call to schedule receive tty processing. (example: hvc_console) This bug was introduced by the first locking patch for the new tty buffering. Signed-off-by: Paul Fulghum <paulkf@microgate.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] slab: Avoid deadlock at kmem_cache_create/kmem_cache_destroyRavikiran G Thirumalai2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prevents deadlock situation between kmem_cache_create()/kmem_cache_destory(), and kmem_cache_create() /cpu hotplug. The locking order probably got moved over time. Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Shai Fultheim <shai@scalex86.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] shmdt cannot detach not-alined shm segment cleanly.KAMEZAWA Hiroyuki2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sys_shmdt() can manage shm segments which are covered by multiple vmas. (This can happen when a user uses mprotect() after shmat().) This works well if shm is aligned to PAGE_SIZE, but if not, the last segment cannot be detached. It is because a comparison in sys_shmdt() (vma->vm_end - addr) < size addr == return address of shmat() size == shmsize, argments to shmget() size should be aligned to PAGE_SIZE before being compared with vma->vm_end, which is aligned. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Manfred Spraul <manfred@colorfullife.com> Acked-by: Hugh Dickins <hugh@veritas.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] prevent recursive panic from softlockup watchdogJan Beulich2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When panic_timeout is zero, suppress triggering a nested panic due to soft lockup detection. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] x86: don't initialise cpu_possible_map to all onesAndrew Morton2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Initialising cpu_possible_map to all-ones with CONFIG_HOTPLUG_CPU means that a) All for_each_cpu() loops will iterate across all NR_CPUS CPUs, rather than over possible ones. That can be quite expensive. b) Soon we'll be allocating per-cpu areas only for possible CPUs. So with CPU_MASK_ALL, we'll be wasting memory. I also switched voyager over to not use CPU_MASK_ALL in the non-CPU-hotplug case. Should be OK.. I note that parisc is also using CPU_MASK_ALL. Suggest that it stop doing that. Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Paul Jackson <pj@sgi.com> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Zwane Mwaikambo <zwane@linuxpower.ca> Cc: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] Fix building external modules on ppc32Andreas Gruenbacher2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We are setting up sources for building external modules like this: /usr/src/linux-obj> # create a .config file /usr/src/linux-obj> make -C /usr/src/linux O=$PWD oldconfig /usr/src/linux-obj> make -C /usr/src/linux O=$PWD prepare /usr/src/linux-obj> make -C /usr/src/linux O=$PWD scripts /usr/src/linux-obj> make -C /usr/src/linux O=$PWD clean After that, external modules can be built with: /usr/src/module> make -C /usr/src/linux-obj M=$PWD This fails for ppc32 because the `make clean' removes the arch/powerpc/include directory. This should be done in archmrproper instead of in archclean. Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] remove bogus comment from init/main.cHeiko Carstens2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove bogus comment from init function which could lead to the assumption that cpu_possible_map is setup in smp_prepare_cpus(). Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] kexec: fix in free initrd when overlapped with crashkernel regionHaren Myneni2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is possible that the reserved crashkernel region can be overlapped with initrd since the bootloader sets the initrd location. When the initrd region is freed, the second kernel memory will not be contiguous. The Kexec_load can cause an oops since there is no contiguous memory to write the second kernel or this memory could be used in the first kernel itself and may not be part of the dump. For example, on powerpc, the initrd is located at 36MB and the crashkernel starts at 32MB. The kexec_load caused panic since writing into non-allocated memory (after 36MB). We could see the similar issue even on other archs. One possibility is to move the initrd outside of crashkernel region. But, the initrd region will be freed anyway before the system is up. This patch fixes this issue and frees only regions that are not part of crashkernel memory in case overlaps. Signed-off-by: Haren Myneni <haren@us.ibm.com> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] wrong firmware location in IPW2100 Kconfig entryJesper Juhl2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Firmware should go into /lib/firmware, not /etc/firmware. Found by Alejandro Bonilla. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] sched: remove smpniceNick Piggin2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I don't think the code is quite ready, which is why I asked for Peter's additions to also be merged before I acked it (although it turned out that it still isn't quite ready with his additions either). Basically I have had similar observations to Suresh in that it does not play nicely with the rest of the balancing infrastructure (and raised similar concerns in my review). The samples (group of 4) I got for "maximum recorded imbalance" on a 2x2 SMP+HT Xeon are as follows: | Following boot | hackbench 20 | hackbench 40 -----------+----------------+---------------------+--------------------- 2.6.16-rc2 | 30,37,100,112 | 5600,5530,6020,6090 | 6390,7090,8760,8470 +nosmpnice | 3, 2, 4, 2 | 28, 150, 294, 132 | 348, 348, 294, 347 Hackbench raw performance is down around 15% with smpnice (but that in itself isn't a huge deal because it is just a benchmark). However, the samples show that the imbalance passed into move_tasks is increased by about a factor of 10-30. I think this would also go some way to explaining latency blips turning up in the balancing code (though I haven't actually measured that). We'll probably have to revert this in the SUSE kernel. Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Peter Williams <pwil3058@bigpond.net.au> Cc: "Martin J. Bligh" <mbligh@aracnet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2006-02-10
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| | * | [BRIDGE]: fix error handling for add interface to bridgeStephen Hemminger2006-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Refactor how the bridge code interacts with kobject system. It should still use kobjects even if not using sysfs. Fix the error unwind handling in br_add_if. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | [BRIDGE]: netfilter handle RCU during removalStephen Hemminger2006-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bridge netfilter code needs to handle the case where device is removed from bridge while packet in process. In these cases the bridge_parent can become null while processing. This should fix: http://bugzilla.kernel.org/show_bug.cgi?id=5803 Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | [BRIDGE]: fix for RCU and deadlock on device removalStephen Hemminger2006-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change Bridge receive path to correctly handle RCU removal of device from bridge. Also fixes deadlock between carrier_check and del_nbp. This replaces the previous deleted flag fix. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | [TCP]: rcvbuf lock when tcp_moderate_rcvbuf enabledJohn Heffner2006-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The rcvbuf lock should probably be honored here. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | [IRDA]: out of range array access David Binderman2006-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes an out of range array access in irnet_irda.c. Author: David Binderman <dcb314@hotmail.com> Signed-off-by: Samuel Ortiz <samuel.ortiz@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | [IRDA]: Set proper IrLAP device address lengthSamuel Ortiz2006-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch set IrDA's addr_len properly, i.e to 4 bytes, the size of the IrLAP device address. Signed-off-by: Samuel Ortiz <samuel.ortiz@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | [NETLINK]: illegal use of pid in rtnetlinkAlexey Kuznetsov2006-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a netlink message is not related to a netlink socket, it is issued by kernel socket with pid 0. Netlink "pid" has nothing to do with current->pid. I called it incorrectly, if it was named "port", the confusion would be avoided. Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | [NETLINK]: Fix a severe bugAlexey Kuznetsov2006-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | netlink overrun was broken while improvement of netlink. Destination socket is used in the place where it was meant to be source socket, so that now overrun is never sent to user netlink sockets, when it should be, and it even can be set on kernel socket, which results in complete deadlock of rtnetlink. Suggested fix is to restore status quo passing source socket as additional argument to netlink_attachskb(). A little explanation: overrun is set on a socket, when it failed to receive some message and sender of this messages does not or even have no way to handle this error. This happens in two cases: 1. when kernel sends something. Kernel never retransmits and cannot wait for buffer space. 2. when user sends a broadcast and the message was not delivered to some recipients. Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | [PATCH] sata_sil24: add hardresetTejun Heo2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that libata is smart enough to handle both soft and hard resets, add hardreset method. Note that sil24 hardreset doesn't supply signature; still, the new reset mechanism can make good use of it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | | | [PATCH] sata_sil24: convert to new reset mechanismTejun Heo2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert sata_sil24 ->phy_reset to new reset mechanism. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-18 18:39:43 -0500