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* [SCTP] Fix SCTP sendbuffer accouting.Neil Horman2005-04-28
| | | | | | | | | | | | - Include chunk and skb sizes in sendbuffer accounting. - 2 policies are supported. 0: per socket accouting, 1: per association accounting DaveM: I've made the default per-socket. Signed-off-by: Neil Horman <nhorman@redhat.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Replace incorrect use of dev_alloc_skb with alloc_skb in ↵Sridhar Samudrala2005-04-28
| | | | | | | sctp_packet_transmit(). Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Fix bug in sctp_init() error handling code.Neil Horman2005-04-28
| | | | | | Signed-off-by: Neil Horman <nhorman@redhat.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Use ipv6_addr_any() rather than ipv6_addr_type() in sctp_v6_is_any().Brian Haley2005-04-28
| | | | | | | Signed-off-by: Brian Haley <Brian.Haley@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Implement Sec 2.41 of SCTP Implementers guide.Jerome Forissier2005-04-28
| | | | | | | | | | | | | - Fixed sctp_vtag_verify_either() to comply with impguide 2.41 B) and C). - Make sure vtag is reflected when T-bit is set in SHUTDOWN-COMPLETE sent due to an OOTB SHUTDOWN-ACK and in ABORT sent due to an OOTB packet. - Do not set T-Bit in ABORT chunk in response to INIT. - Fixed some comments to reflect the new meaning of the T-Bit. Signed-off-by: Jerome Forissier <jerome.forissier@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Fix SCTP_ASSOCINFO getsockopt for 1-1 styleVladislav Yasevich2005-04-28
| | | | | | | Signed-off-by: Vladislav Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TG3]: Set SA_SAMPLE_RANDOM in request_irq() calls.David S. Miller2005-04-28
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] time interpolator: Fix settimeofday inaccuracyChristoph Lameter2005-04-28
| | | | | | | | | | | | | | | | settimeofday will set the time a little bit too early on systems using time interpolation since it subtracts the current interpolator offset from the time. This used to be necessary with the code in 2.6.9 and earlier but the new code resets the time interpolator after setting the time. Thus the time is set too early and gettimeofday will return a time slightly before the time specified with settimeofday if invoked immeditely after settimeofday. This removes the obsolete subtraction of the time interpolator offset and makes settimeofday set the time accurately. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64: Fix return value of some vDSO callsBenjamin Herrenschmidt2005-04-27
| | | | | | | | | | | The ppc vDSO would not properly clear the return value for some calls, which will be a problem when interfacing those calls with glibc. This should be fixed before 2.6.12 is released (as it is the first kernel with the ppc vDSO) so that we don't have to play with symbol versioning and ugly workarounds. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] NFS4: Don't use __user with compat_uptr_tDavid Howells2005-04-27
| | | | | | | | The attached patch removes __user from compat_uptr_t types in the NFS4 mount 32-bit->64-bit compatibility structures. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Automatic merge of ↵Linus Torvalds2005-04-27
|\ | | | | | | rsync://rsync.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6.git
| * [IA64] re-enable preempt before page allocation for pgtable quicklistMartin Hicks2005-04-26
| | | | | | | | | | | | | | | | | | | | | | | | This is a fix to the pgtable_quicklist code. There is a GFP_KERNEL allocation in pgtable_quicklist_alloc(), which spews the usual warnings if the kernel is under heavy VM pressure and the reclaim code is invoked. re-enable preempt before we allocate the new page. This patch is against 2.6.12-rc2-mm2 Signed-off-by: Martin Hicks <mort@sgi.com> Signed-off-by: Tony Luck <tony.luckintel.com>
| * From: jbarnes@sgi.comJesse Barnes2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [IA64] fix ia64 Kconfig to allow CONFIG_PM on sn2 This probably should have been fixed when I fixed up the generic build for discontig+numa machines, but oh well. CONFIG_PM is allowable for generic builds but not for sn2 builds, which doesn't make much sense, and in fact breaks the build if recent ACPI bits are added to the tree. It looks like the only arch that needs to prevent CONFIG_PM stuff is the ski simulator (though those options could probably use some cleanup as well), so remove the big conditional and replace it with a simple test for IA64_HP_SIM instead. Signed-off-by: Jesse Barnes <jbarnes@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] snsc_event.c new fileGreg Howard2005-04-25
| | | | | | | | | | | | | | Forgot the "bk new" to add this file. Part of the patch from Greg Howard Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] Altix system controller event handlingGreg Howard2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The following is an update of the patch I sent yesterday (3/9/05) incorporating suggestions from Christoph Hellwig and Andreas Schwab. It allows Altix and Altix-like systems to handle environmental events generated by the system controllers, and should apply on top of Jack Steiner's patch of 3/1/05 ("New chipset support for SN platform") and Mark Goodwin's patch of 3/8/05 ("Altix SN topology support for new chipsets and pci topology"). Signed-off-by: Greg Howard <ghoward@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] iosapic.c: typo ... s/spin_unlock_irq/spin_unlock/Kenji Kaneshige2005-04-25
| | | | | | | | | | | | | | vector sharing patch had a typo ... mismatched spin_lock() with a spin_unlock_irq(). Fix from Kenji Kaneshige. Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] print "siblings" before {physical,core,thread} idTony Luck2005-04-25
| | | | | | | | | | | | | | | | Rohit and Suresh changed their mind about the order to print things in /proc/cpuinfo, but didn't include the change in the version of the patch they sent to me. Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] vector sharing (Large I/O system support)Kenji Kaneshige2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current ia64 linux cannot handle greater than 184 interrupt sources because of the lack of vectors. The following patch enables ia64 linux to handle greater than 184 interrupt sources by allowing the same vector number to be shared by multiple IOSAPIC's RTEs. The design of this patch is besed on "Intel(R) Itanium(R) Processor Family Interrupt Architecture Guide". Even if you don't have a large I/O system, you can see the behavior of vector sharing by changing IOSAPIC_LAST_DEVICE_VECTOR to fewer value. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] multi-core/multi-thread identificationSuresh Siddha2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Version 3 - rediffed to apply on top of Ashok's hotplug cpu patch. /proc/cpuinfo output in step with x86. This is an updated MC/MT identification patch based on the previous discussions on list. Add the Multi-core and Multi-threading detection for IPF. - Add new core and threading related fields in /proc/cpuinfo. Physical id Core id Thread id Siblings - setup the cpu_core_map and cpu_sibling_map appropriately - Handles Hot plug CPU Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Gordon Jin <gordon.jin@intel.com> Signed-off-by: Rohit Seth <rohit.seth@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] __copy_user breaks on unaligned srcKeith Owens2005-04-25
| | | | | | | | | | | | | | | | | | | | | | memcpy_mck.S::__copy_user breaks in the prefetch code under these conditions :- * src is unaligned and * dst is near the end of a page and * the page after dst is unmapped. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] Need to handle lfetch in "no_context" case.Tony Luck2005-04-25
| | | | | | | | | | | | | | Thanks to Mark for tracking down this one. Users of __copy_from_user_inatomic() will be sad if we don't handle lfetch faults for the "no_context" case. Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] Altix SN add support for slots in geoid_t locatorMark Goodwin2005-04-25
| | | | | | | | | | | | | | | | | | | | | | This patch against ia64-test-2.6.12 is needed for forthcoming Altix chipsets. It renames geoid_any_t to geoid_common_t and splits the 8bit 'slab' field into two 4bit fields for 'slab' and 'slot'. Similar changes in the Altix SAL will retain backward compatibility for old kernels. Signed-off-by: Mark Goodwin <markgw@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] fix syscall-optimization goofDavid Mosberger-Tang2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sadly, I goofed in this syscall-tuning patch: ChangeSet 1.1966.1.40 2005/01/22 13:31:05 davidm@hpl.hp.com [IA64] Improve ia64_leave_syscall() for McKinley-type cores. Optimize ia64_leave_syscall() a bit better for McKinley-type cores. The patch looks big, but that's mostly due to renaming r16/r17 to r2/r3. Good for a 13 cycle improvement. The problem is that the size of the physical stacked registers was loaded into the wrong register (r3 instead of r17). Since r17 by coincidence always had the value 1, this had the effect of turning rse_clear_invalid into a no-op. That poses the risk of leaking kernel state back to user-land and is hence not acceptable. The fix below is simple, but unfortunately it costs us about 28 cycles in syscall overhead. ;-( Unfortunately, there isn't much we can do about that since those registers have to be cleared one way or another. --david Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] Shub2 BTE support - BTE recovery codeRuss Anderson2005-04-25
| | | | | | | | | | | | | | | | | | | | patch 2: Shub2 BTE recovery code will be implemented in SAL. Define the SAL interface. Modify bte_error to call SAL for shub2. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] Add new MMR definitions/Modify BTE initialiation&copy.Russ Anderson2005-04-25
| | | | | | | | | | | | | | | | | | | | patch 1: Add new MMR definitions. Modify BTE initialiation. Modify BTE copy. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] disable TIOCA GART TLB prefetchingMark Maule2005-04-25
| | | | | | | | | | | | | | Patch to disable SGI TIOCA GART TLB prefetching due to hw bug. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] MAX_PGT_FREES_PER_PASS must be 'L' to avoid warningTony Luck2005-04-25
| | | | | | | | | | | | 'min' is very picky about types of arguments, make it happy Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] fix: warning: `ql_size' might be used uninitializedTony Luck2005-04-25
| | | | | | | | | | | | Oops. Should have caught this before I checked it in. Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] sba_iommu bug fixesAlex Williamson2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a couple of bugs in the zx1/sx1000 sba_iommu. These are all pretty low likelihood of hitting. The first problem is a simple off by one, deep in the sba_alloc_range() error path. Surrounding that was a lock ordering problem that could have potentially deadlocked with the order the locks are grabbed in sba_unmap_single(). I moved the resource locking into sba_search_bitmap() to prevent this. Finally, there's a potential race between unmapping pdir entries and marking incoming DMA pages clean. If you see any oddities, please let me know, but I've tested it pretty thoroughly here. Tony, please apply. Thanks, BTW, many of the options in this driver not on by default are becoming more and more broken. I'll be working on some patches to clean them out, but I wanted to get this bug fix out first. Signed-off-by: Alex Williamson <alex.williamson@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] Percpu quicklist for combined allocator for pgd/pmd/pte.Robin Holt2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces using the quicklists for pgd, pmd, and pte levels by combining the alloc and free functions into a common set of routines. This greatly simplifies the reading of this header file. This patch is simple but necessary for large numa configurations. It simply ensures that only pages from the local node are added to a cpus quicklist. This prevents the trapping of pages on a remote nodes quicklist by starting a process, touching a large number of pages to fill pmd and pte entries, migrating to another node, and then unmapping or exiting. With those conditions, the pages get trapped and if the machine has more than 100 nodes of the same size, the calculation of the pgtable high water mark will be larger than any single node so page table cache flushing will never occur. I ran lmbench lat_proc fork and lat_proc exec on a zx1 with and without this patch and did not notice any change. On an sn2 machine, there was a slight improvement which is possibly due to pages from other nodes trapped on the test node before starting the run. I did not investigate further. This patch shrinks the quicklist based upon free memory on the node instead of the high/low water marks. I have written it to enable preemption periodically and recalculate the amount to shrink every time we have freed enough pages that the quicklist size should have grown. I rescan the nodes zones each pass because other processess may be draining node memory at the same time as we are adding. Signed-off-by: Robin Holt <holt@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI]Bruce Losure2005-04-25
| | | | | | | | | | | | | | Missed the "bk new" for this file in the last commit. Signed-off-by: Bruce Losure <blosure@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] Altix: enable poweroffAaron J Young2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the necessary "hook" to allow SGI/SN machines to perform a system power off upon a 'init 0', 'halt -p', 'poweroff' or 'shutdown -h'. The "hook" is to set the pm_power_off callback to ia64_sn_power_down(). pm_power_off is checked in machine_power_off()/do_poweroff() and, if set, is executed. ia64_sn_power_down() is a function already present (but not used currently) in the sn kernel. ia64_sn_power_down() makes a SAL call to execute the power off. Signed-off-by: Aaron J Young <ayoung@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] Bus driver for the CX port of SGI's TIO chip.Bruce Losure2005-04-25
| | | | | | | | | | | | | | | | This patch is to provide CX port infrastructure for SGI TIO-based h/w. Also a 'core services' driver for SGI FPGA-based h/w. Signed-off-by: Bruce Losure <blosure@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] perfmon: make pfm_sysctl a global, and other cleanupStephane Eranian2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - make pfm_sysctl a global such that it is possible to enable/disable debug printk in sampling formats using PFM_DEBUG. - remove unused pfm_debug_var variable - fix a bug in pfm_handle_work where an BUG_ON() could be triggered. There is a path where pfm_handle_work() can be called with interrupts enabled, i.e., when TIF_NEED_RESCHED is set. The fix correct the masking and unmasking of interrupts in pfm_handle_work() such that we restore the interrupt mask as it was upon entry. signed-off-by: stephane eranian <eranian@hpl.hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] support variable length nasids in shub2Colin Ngam2005-04-25
| | | | | | | | | | | | | | | | This patch enables our TIO IO chipset to support variable length nasids in Shub2 chipset. Signed-off-by: Colin Ngam <cngam@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] Shub2 provides an addition of 2 External Interrupt events.Colin Ngam2005-04-25
| | | | | | | | | | Signed-off-by: Colin Ngam <cngam@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] Altix SN topology fix potential infinite loopMark Goodwin2005-04-25
| | | | | | | | | | | | | | Fix infinite loop if sn_hwperf_location_to_bpos() fails. Signed-off-by: Mark Goodwin <markgw@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] Altix SN topology support for new chipsets and pci topologyMark Goodwin2005-04-25
| | | | | | | | | | | | | | | | | | | | | | please accept this patch to the Altix SN platform topology export interface to support new chipsets and to export PCI topology. This follows on top of Jack Steiner's patch dated March 1st ("New chipset support for SN platform"). Signed-off-by: Mark Goodwin <markgw@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] speed up syscall path a bit moreDavid Mosberger-Tang2005-04-25
| | | | | | | | | | | | | | | | | | | | Recently I noticed that clearing ar.ssd/ar.csd right before srlz.d is causing significant stalling in the syscall path. The patch below fixes that by moving the register-writes after srlz.d. On a Madison, this drops break-based getpid() from 241 to 226 cycles (-15 cycles). Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] Tighten up unw_unwind_to_user checkKeith Owens2005-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Detect user space by the unwind frame with predicate PRED_USER_STACK set, instead of a user space IP. Tighten up the last ditch check for running off the top of the kernel stack. Based on a suggestion by David Mosberger, reworked to fit the current tree. This survives my stress test which used to break 2.6.9 kernels. Unlike 2.6.11, the stress test now unwinds to the correct point, so gdb can get the user space registers. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] add missing cpu_relax() in ITC syncing codeDavid Mosberger-Tang2005-04-25
| | | | | | | | | | | | | | Call cpu_relax() in busy-waiting loops of the ITC-syncing code. Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] Change SAL call request code for SN systemsJack Steiner2005-04-25
| | | | | | | | | | | | | | | | | | | | | | Change the value of the SAL call number for a new SAL request. The initial implementation in the PROM did not match what the OS expected. Since the OS can run on PROMs that do not implement the new call, changing the call number avoids the issue. New PROMs will implement the new call number. (This avoids problems with the 4.05 PROM). Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] altix: tioca chip driver (agp)Mark Maule2005-04-25
| | | | | | | | | | | | | | | | Provide a driver for the altix TIOCA AGP chipset. An agpgart backend will be provided as a separate patch. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] sn2-move-pci-headers.patchMark Maule2005-04-25
| | | | | | | | | | | | | | | | Move a couple of headers out of arch/ia64/sn/include/pci and into include/asm-ia64/sn. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64-SGI] sn2-pci-dma-abstraction.patchMark Maule2005-04-25
| | | | | | | | | | | | | | | | Provide an abstraction of the altix pci dma runtime layer so that multiple pci-based bridges can be supported. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [PATCH] PC300 pci_enable_device fixMarcelo Tosatti2005-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Call pci_enable_device() before looking at IRQ and resources, and pci_disable_device() when shutting the interface down. The driver requires this fix or the "pci=routeirq" workaround on 2.6.10 and later kernels. Reported and tested by Artur Lipowski. From: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] ppc64: trivial user annotationsAl Viro2005-04-26
| | | | | | | | | | Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] size_t portability fixes - drivers/usbAl Viro2005-04-26
| | | | | | | | | | | | | | size_t is zu, ssize_t is zd... Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Automatic merge of kernel.org:/home/rmk/linux-2.6-serial.gitLinus Torvalds2005-04-26
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| * | [PATCH] Serial: Convert 8250_hp300 to use serial8250_{un,}register_portRussell King2005-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | Convert 8250_hp300 to use serial8250_register_port() and serial8250_unregister_port(). Tested by Kars de Jong, 4/4/2005. Signed-off-by: Russell King <rmk@arm.linux.org.uk>
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