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* [PATCH] mspec driver build fixJes Sorensen2006-11-13
| | | | | | | | | | | | | | | Fix MSPEC driver to build for non SN2 enabled configs as the driver should work in cached and uncached modes (no fetchop) on these systems. In addition make MSPEC select IA64_UNCACHED_ALLOCATOR, which is required for it and move it to arch/ia64/Kconfig to avoid warnings on non ia64 architectures running allmodconfig. Once the Kconfig code is fixed, we can move it back. Signed-off-by: Jes Sorensen <jes@sgi.com> Cc: Fernando Luis Vzquez Cao <fernando@oss.ntt.co.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ia64: select ACPI_NUMA if ACPIKAMEZAWA Hiroyuki2006-11-08
| | | | | | | | | | | | | | | | | | | | | When ACPI && NUMA, pxm_to_node is used and it exists in drivers/acpi/numa.c Tony said: The patch makes sense ... if you pick both of "ACPI" and "NUMA", then you need (and should automatically be given) ACPI_NUMA too. The only open question is whether there is a better way of getting there. Perhaps with less configuration options in the first place? We are heading towards a future where so many systems will be NUMA that there would seem to be little benefit in keeping ACPI_NUMA separate from ACPI ... but perhaps we aren't quite there yet. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujtisu.com> Cc: Len Brown <lenb@kernel.org> Acked-by: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Kprobes: Make kprobe modules more portableAnanth N Mavinakayanahalli2006-10-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | In an effort to make kprobe modules more portable, here is a patch that: o Introduces the "symbol_name" field to struct kprobe. The symbol->address resolution now happens in the kernel in an architecture agnostic manner. 64-bit powerpc users no longer have to specify the ".symbols" o Introduces the "offset" field to struct kprobe to allow a user to specify an offset into a symbol. o The legacy mechanism of specifying the kprobe.addr is still supported. However, if both the kprobe.addr and kprobe.symbol_name are specified, probe registration fails with an -EINVAL. o The symbol resolution code uses kallsyms_lookup_name(). So CONFIG_KPROBES now depends on CONFIG_KALLSYMS o Apparantly kprobe modules were the only legitimate out-of-tree user of the kallsyms_lookup_name() EXPORT. Now that the symbol resolution happens in-kernel, remove the EXPORT as suggested by Christoph Hellwig o Modify tcp_probe.c that uses the kprobe interface so as to make it work on multiple platforms (in its earlier form, the code wouldn't work, say, on powerpc) Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'release' of ↵Linus Torvalds2006-09-27
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] minor reformatting to vmlinux.lds.S [IA64] CMC/CPE: Reverse the order of fetching log and checking poll threshold [IA64] PAL calls need physical mode, stacked [IA64] ar.fpsr not set on MCA/INIT kernel entry [IA64] printing support for MCA/INIT [IA64] trim output of show_mem() [IA64] show_mem() printk levels [IA64] Make gp value point to Region 5 in mca handler Revert "[IA64] Unwire set/get_robust_list" [IA64] Implement futex primitives [IA64-SGI] Do not request DMA memory for BTE [IA64] Move perfmon tables from thread_struct to pfm_context [IA64] Add interface so modules can discover whether multithreading is on. [IA64] kprobes: fixup the pagefault exception caused by probehandlers [IA64] kprobe opcode 16 bytes alignment on IA64 [IA64] esi-support [IA64] Add "model name" to /proc/cpuinfo
| * Pull esi-support into release branchTony Luck2006-09-26
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| | * [IA64] esi-supportDavid Mosberger-Tang2006-06-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for making ESI calls [1]. ESI stands for "Extensible SAL specification" and is basically a way for invoking firmware subroutines which are identified by a GUID. I don't know whether ESI is used by vendors other than HP (if you do, please let me know) but as firmware "backdoors" go, this seems one of the cleaner methods, so it seems reasonable to support it, even though I'm not aware of any publicly documented ESI calls. I'd have liked to make the ESI module completely stand-alone, but unfortunately that is not easily (or not at all) possible because in order to make ESI calls in physical mode, a small stub similar to the EFI stub is needed in the kernel proper. I did try to create a stub that would work in user-level, but it quickly got ugly beyond recognition (e.g., the stub had to make assumptions about how the module-loader generated call-stubs work) and I didn't even get it to work (that's probably fixable, but I didn't bother because I concluded it was too ugly anyhow). While it's not terribly elegant to have kernel code which isn't actively used in the kernel proper, I think it might be worth making an exception here for two reasons: the code is trivially small (all that's really needed is esi_stub.S) and by including it in the normal kernel distro, it might encourage other OEMs to also use ESI, which I think would be far better than each inventing their own firmware "backdoor". The code was originally written by Alex. I just massaged and packaged it a bit (and perhaps messed up some things along the way...). Changes since first version of patch that was posted to mailing list: * Export ia64_esi_call and ia64_esi_call_phys() as GPL symbols. * Disallow building esi.c as a module for now. Building as a module would currently lead to an unresolved reference to "sal_lock" on SMP kernels because that symbol doesn't get exported. * Export esi_call_phys() only if ESI is enabled. * Remove internal stuff from esi.h and add a "proc_type" argument to ia64_esi_call() such that serialization-requirements can be expressed (ESI follows SAL here, where procedure calls may have to be serialized, are MP-safe, or MP-safe andr reentrant). [1] h21007.www2.hp.com/dspp/tech/tech_TechDocumentDetailPage_IDX/1,1701,919,00.html Signed-off-by: David Mosberger <David.Mosberger@acm.org> Signed-off-by: Alex Williamson <alex.williamson@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | | [PATCH] Have ia64 use add_active_range() and free_area_init_nodesMel Gorman2006-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Size zones and holes in an architecture independent manner for ia64. [bob.picco@hp.com: fix ia64 FLATMEM+VIRTUAL_MEM_MAP] Signed-off-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Bob Picco <bob.picco@hp.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <ak@muc.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Keith Mannthey" <kmannth@gmail.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] reduce MAX_NR_ZONES: make ZONE_DMA32 optionalChristoph Lameter2006-09-26
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make ZONE_DMA32 optional - Add #ifdefs around ZONE_DMA32 specific code and definitions. - Add CONFIG_ZONE_DMA32 config option and use that for x86_64 that alone needs this zone. - Remove the use of CONFIG_DMA_IS_DMA32 and CONFIG_DMA_IS_NORMAL for ia64 and fix up the way per node ZVCs are calculated. - Fall back to prior GFP_ZONEMASK of 0x03 if there is no DMA32 zone. 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] syscall class hookup for all normal targetsAl Viro2006-09-12
| | | | | | | | | | | | | | Take default arch/*/kernel/audit.c to lib/, have those with special needs (== biarch) define AUDIT_ARCH in their Kconfig. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | [IA64] Increase default nodes shift to 10, nr_cpus to 1024Christoph Lameter2006-08-29
| | | | | | | | | | | | | | | | Change both the NODES_SHIFT and the NR_CPUS so that even big machines can boot all nodes and processors with a generic kernel. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [PATCH] zoned vm counters: basic ZVC (zoned vm counter) implementationChristoph Lameter2006-06-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Per zone counter infrastructure The counters that we currently have for the VM are split per processor. The processor however has not much to do with the zone these pages belong to. We cannot tell f.e. how many ZONE_DMA pages are dirty. So we are blind to potentially inbalances in the usage of memory in various zones. F.e. in a NUMA system we cannot tell how many pages are dirty on a particular node. If we knew then we could put measures into the VM to balance the use of memory between different zones and different nodes in a NUMA system. For example it would be possible to limit the dirty pages per node so that fast local memory is kept available even if a process is dirtying huge amounts of pages. Another example is zone reclaim. We do not know how many unmapped pages exist per zone. So we just have to try to reclaim. If it is not working then we pause and try again later. It would be better if we knew when it makes sense to reclaim unmapped pages from a zone. This patchset allows the determination of the number of unmapped pages per zone. We can remove the zone reclaim interval with the counters introduced here. Futhermore the ability to have various usage statistics available will allow the development of new NUMA balancing algorithms that may be able to improve the decision making in the scheduler of when to move a process to another node and hopefully will also enable automatic page migration through a user space program that can analyse the memory load distribution and then rebalance memory use in order to increase performance. The counter framework here implements differential counters for each processor in struct zone. The differential counters are consolidated when a threshold is exceeded (like done in the current implementation for nr_pageache), when slab reaping occurs or when a consolidation function is called. Consolidation uses atomic operations and accumulates counters per zone in the zone structure and also globally in the vm_stat array. VM functions can access the counts by simply indexing a global or zone specific array. The arrangement of counters in an array also simplifies processing when output has to be generated for /proc/*. Counters can be updated by calling inc/dec_zone_page_state or _inc/dec_zone_page_state analogous to *_page_state. The second group of functions can be called if it is known that interrupts are disabled. Special optimized increment and decrement functions are provided. These can avoid certain checks and use increment or decrement instructions that an architecture may provide. We also add a new CONFIG_DMA_IS_NORMAL that signifies that an architecture can do DMA to all memory and therefore ZONE_NORMAL will not be populated. This is only currently set for IA64 SGI SN2 and currently only affects node_page_state(). In the best case node_page_state can be reduced to retrieving a single counter for the one zone on the node. [akpm@osdl.org: cleanups] [akpm@osdl.org: export vm_stat[] for filesystems] Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] genirq: cleanup: turn ARCH_HAS_IRQ_PER_CPU into CONFIG_IRQ_PER_CPUIngo Molnar2006-06-29
| | | | | | | | | | | | | | | | | | Cleanup: change ARCH_HAS_IRQ_PER_CPU into a Kconfig method. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] solve config broken: undefined reference to `online_page'Yasunori Goto2006-06-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Memory hotplug code of i386 adds memory to only highmem. So, if CONFIG_HIGHMEM is not set, CONFIG_MEMORY_HOTPLUG shouldn't be set. Otherwise, it causes compile error. In addition, many architecture can't use memory hotplug feature yet. So, I introduce CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] pgdat allocation for new node add (refresh node_data[])Yasunori Goto2006-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | Refresh NODE_DATA() for generic archs. In this case, NODE_DATA(nid) == node_data[nid]. node_data[] is array of address of pgdat. So, refresh is quite simple. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: "Brown, Len" <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Auto-update from upstreamTony Luck2006-06-23
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| * \ Merge branch 'release' of ↵Linus Torvalds2006-06-23
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (65 commits) ACPI: suppress power button event on S3 resume ACPI: resolve merge conflict between sem2mutex and processor_perflib.c ACPI: use for_each_possible_cpu() instead of for_each_cpu() ACPI: delete newly added debugging macros in processor_perflib.c ACPI: UP build fix for bugzilla-5737 Enable P-state software coordination via _PDC P-state software coordination for speedstep-centrino P-state software coordination for acpi-cpufreq P-state software coordination for ACPI core ACPI: create acpi_thermal_resume() ACPI: create acpi_fan_suspend()/acpi_fan_resume() ACPI: pass pm_message_t from acpi_device_suspend() to root_suspend() ACPI: create acpi_device_suspend()/acpi_device_resume() ACPI: replace spin_lock_irq with mutex for ec poll mode ACPI: Allow a WAN module enable/disable on a Thinkpad X60. sem2mutex: acpi, acpi_link_lock ACPI: delete unused acpi_bus_drivers_lock sem2mutex: drivers/acpi/processor_perflib.c ACPI add ia64 exports to build acpi_memhotplug as a module ACPI: asus_acpi_init(): propagate correct return value ... Manual resolve of conflicts in: arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c include/acpi/processor.h
| | * \ Pull Kconfig into release branchLen Brown2006-06-15
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| | | * ACPI: Kconfig: ACPI should depend on, not select PCIAdrian Bunk2006-04-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Otherwise, illegal configurations like X86_VOYAGER=y, PCI=y are possible. This patch also fixes the options select'ing ACPI to also select PCI. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | [PATCH] clean up default value of SCHED_SMTJean-Luc Leger2006-06-23
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | Default values for boolean and tristate options can only be 'y', 'm' or 'n'. This patch removes wrong default for SCHED_SMT. Signed-off-by: Jean-Luc Leger <jean-luc.leger@dspnet.fr.eu.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* / / [IA64] Make PCI Express support selectableKenji Kaneshige2006-06-21
|/ / | | | | | | | | | | | | | | | | When I tried to use PCI Express Hotplug driver on my ia64 box, I noticed that "PCI Express support" is not even selectable on ia64. This patch makes PCI Express support selectable. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [IA64] IOC4 config option orderingBrent Casavant2006-04-21
| | | | | | | | | | | | | | | | | | | | | | | | SERIAL_SGI_IOC4 and BLK_DEV_SGIIOC4 depend upon SGI_IOC4, and SERIAL_SGI_IOC3 depends upon SGI_IOC3. Currently the definitions are out of order in the config sequence. Fix by including drivers/sn/Kconfig immediately after SGI_SN, upon which SGI_IOC4 and SGI_IOC3 depend. Signed-off-by: Brent Casavant <bcasavan@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [PATCH] Configurable NODES_SHIFTYasunori Goto2006-04-11
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current implementations define NODES_SHIFT in include/asm-xxx/numnodes.h for each arch. Its definition is sometimes configurable. Indeed, ia64 defines 5 NODES_SHIFT values in the current git tree. But it looks a bit messy. SGI-SN2(ia64) system requires 1024 nodes, and the number of nodes already has been changeable by config. Suitable node's number may be changed in the future even if it is other architecture. So, I wrote configurable node's number. This patch set defines just default value for each arch which needs multi nodes except ia64. But, it is easy to change to configurable if necessary. On ia64 the number of nodes can be already configured in generic ia64 and SN2 config. But, NODES_SHIFT is defined for DIG64 and HP'S machine too. So, I changed it so that all platforms can be configured via CONFIG_NODES_SHIFT. It would be simpler. See also: http://marc.theaimsgroup.com/?l=linux-kernel&m=114358010523896&w=2 Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@muc.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jack Steiner <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] bitops: ia64: use generic bitopsAkinobu Mita2006-03-26
| | | | | | | | | | | | | - remove generic_fls64() - remove find_{next,first}{,_zero}_bit() - remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit() - remove minix_{test,set,test_and_clear,test,find_first_zero}_bit() - remove sched_find_first_bit() Signed-off-by: Akinobu Mita <mita@miraclelinux.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ia64: use i386 dmi_scan.cMatt Domsch2006-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | Enable DMI table parsing on ia64. Andi Kleen has a patch in his x86_64 tree which enables the use of i386 dmi_scan.c on x86_64. dmi_scan.c functions are being used by the drivers/char/ipmi/ipmi_si_intf.c driver for autodetecting the ports or memory spaces where the IPMI controllers may be found. This patch adds equivalent changes for ia64 as to what is in the x86_64 tree. In addition, I reworked the DMI detection, such that on EFI-capable systems, it uses the efi.smbios pointer to find the table, rather than brute-force searching from 0xF0000. On non-EFI systems, it continues the brute-force search. My test system, an Intel S870BN4 'Tiger4', aka Dell PowerEdge 7250, with latest BIOS, does not list the IPMI controller in the ACPI namespace, nor does it have an ACPI SPMI table. Also note, currently shipping Dell x8xx EM64T servers don't have these either, so DMI is the only method for obtaining the address of the IPMI controller. Signed-off-by: Matt Domsch <Matt_Domsch@dell.com> Acked-by: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [IA64] Increase max node count on SN platformsJack Steiner2006-03-24
| | | | | | | | | Add a configuration option to allow the maximum number of nodes to be configurable for GENERIC or SN kernels. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* Pull bsp-removal into release branchTony Luck2006-03-21
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| * [IA64] support for cpu0 removalAshok Raj2006-01-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | here is the BSP removal support for IA64. Its pretty much the same thing that was released a while back, but has your feedback incorporated. - Removed CONFIG_BSP_REMOVE_WORKAROUND and associated cmdline param - Fixed compile issue with sn2/zx1 due to a undefined fix_b0_for_bsp - some formatting nits (whitespace etc) This has been tested on tiger and long back by alex on hp systems as well. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | Make Kprobes depend on modulesLinus Torvalds2006-02-26
| | | | | | | | | | | | | | | | | | Commit 9ec4b1f356b3bad928ae8e2aa9caebfa737d52df made kprobes not compile without module support, so just make that clear in the Kconfig file. Also, since it's marked EXPERIMENTAL, make that dependency explicit too. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Pull sgi-drivers-makefile-cleanup into release branchTony Luck2006-02-02
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| * | [PATCH] drivers/sn/ must be entered for CONFIG_SGI_IOC3Jes Sorensen2006-01-26
| |/ | | | | | | | | | | | | | | | | | | | | Actually I think this is more appropriate so we don't end up with 17 cases that add drivers/sn to the build lib. Include drivers/sn when CONFIG_IA64_SGI_SN2 or CONFIG_IA64_GENERIC is enabled. Acked-by: Dave Jones <davej@redhat.com> Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* / [IA64] Remove stale comment from ia64/KconfigKyle McMartin2006-02-02
|/ | | | | | | | | Somehow I doubt this comment is meant to be here anymore... It's been floating after the L1_CACHE_SHIFT entry since before Linux moved to bitkeeper. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [PATCH] Fix Kconfig of DMA32 for ia64Yasunori Goto2005-12-12
| | | | | | | | | | | | | | | | | | I realized ZONE_DMA32 has a trivial bug at Kconfig for ia64. In include/linux/gfp.h on 2.6.15-rc5-mm1, CONFIG is define like followings. #ifdef CONFIG_DMA_IS_DMA32 #define __GFP_DMA32 ((__force gfp_t)0x01) /* ZONE_DMA is ZONE_DMA32 */ : : So, CONFIG_"ZONE"_DMA_IS_DMA32 is clearly wrong. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge x86-64 update from AndiLinus Torvalds2005-11-14
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| * [PATCH] x86_64: Set compatibility flag for 4GB zone on IA64Andi Kleen2005-11-14
| | | | | | | | | | | | | | | | | | | | | | IA64 traditionally had a 4GB DMA32 zone. Set the compatibility flag to keep old drivers working. For new drivers it would be better to use ZONE_DMA32 now. Cc: tony.luck@intel.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [IA64] 4-level page tablesRobin Holt2005-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces 4-level page tables to ia64. I have run some benchmarks and found nothing interesting. Performance has consistently fallen within the noise range. It also introduces a config option (setting the default to 3 levels). The config option prevents having 4 level page tables with 64k base page size. Signed-off-by: Robin Holt <holt@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | Auto-update from upstreamTony Luck2005-11-07
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| * | [PATCH] Move Kprobes and Oprofile to "Instrumentation Support" menuPrasanna S Panchamukhi2005-11-07
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Andrew Morton suggested to move kprobes from kernel hacking menu, since kernel hacking menu is in-appropriate for the Kprobes. This patch moves Kprobes and Oprofile under instrumentation menu. (akpm: it's not a natural fit, but things like djprobes and the s390 guys' statistics library need a home) Signed-of-by: Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Philippe Elie <phil.el@wanadoo.fr> Cc: John Levon <levon@movementarian.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* / [IA64] restrict CONFIG_SGI_SN_XP to IA64_GENERIC or IA64_SGI_SN2Dean Nelson2005-11-03
|/ | | | | | | Restrict CONFIG_SGI_SN_XP to IA64_GENERIC or IA64_SGI_SN2 kernels. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* manual update from upstream:Tony Luck2005-10-31
|\ | | | | | | | | | | | | Applied Al's change 06a544971fad0992fe8b92c5647538d573089dd4 to new location of swiotlb.c Signed-off-by: Tony Luck <tony.luck@intel.com>
| * Pull sparsemem-v5 into release branchTony Luck2005-10-28
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| | * [PATCH] V5 ia64 SPARSEMEM - Kconfig and MakefileBob Picco2005-10-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | The patch modifies the Kconfig file to introduce the new memory model options and other related SPARSEMEM changes. There is also a minor change in the Makefile. Signed-off-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | [IA64] Increase max NR_CPUS on IA64 from 512 to 1024Jack Steiner2005-09-16
| |/ | | | | | | | | | | | | | | | | | | | | | | This patch increases the maximum number of cpus supported on IA64 to 1024. No changes are made to the default SSI size. The patch simply allows specifying up to 1024p. There are certainly scaling (& other) issues that also need to be addressed!!! Additional patches will follow..... Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | Update from upstream with manual merge of Yasunori Goto'sTony Luck2005-10-20
|\| | | | | | | | | | | | | | | changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341 since this file has been moved from arch/ia64/lib/swiotlb.c to lib/swiotlb.c Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [LIB]: Consolidate _atomic_dec_and_lock()David S. Miller2005-09-15
| | | | | | | | | | | | | | | | | | | | | | | | Several implementations were essentialy a common piece of C code using the cmpxchg() macro. Put the implementation in one spot that everyone can share, and convert sparc64 over to using this. Alpha is the lone arch-specific implementation, which codes up a special fast path for the common case in order to avoid GP reloading which a pure C version would require. Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] swiotlb: move from arch/ia64/lib/ to lib/John W. Linville2005-09-29
|/ | | | | | | | | | The swiotlb implementation is shared by both IA-64 and EM64T. However, the source itself lives under arch/ia64. This patch moves swiotlb.c from arch/ia64/lib to lib/ and fixes-up the appropriate Makefile and Kconfig files. No actual changes are made to swiotlb.c. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Manual merge fix for 3 filesTony Luck2005-09-08
|\ | | | | | | | | | | | | | | arch/ia64/Kconfig arch/ia64/kernel/acpi.c include/asm-ia64/irq.h Signed-off-by: Tony Luck <tony.luck@intel.com>
| * Merge linux-2.6 with linux-acpi-2.6Len Brown2005-09-08
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| | * [PATCH] x86/x86_64: deferred handling of writes to /proc/irqxx/smp_affinityAshok Raj2005-09-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When handling writes to /proc/irq, current code is re-programming rte entries directly. This is not recommended and could potentially cause chipset's to lockup, or cause missing interrupts. CONFIG_IRQ_BALANCE does this correctly, where it re-programs only when the interrupt is pending. The same needs to be done for /proc/irq handling as well. Otherwise user space irq balancers are really not doing the right thing. - Changed pending_irq_balance_cpumask to pending_irq_migrate_cpumask for lack of a generic name. - added move_irq out of IRQ_BALANCE, and added this same to X86_64 - Added new proc handler for write, so we can do deferred write at irq handling time. - Display of /proc/irq/XX/smp_affinity used to display CPU_MASKALL, instead it now shows only active cpu masks, or exactly what was set. - Provided a common move_irq implementation, instead of duplicating when using generic irq framework. Tested on i386/x86_64 and ia64 with CONFIG_PCI_MSI turned on and off. Tested UP builds as well. MSI testing: tbd: I have cards, need to look for a x-over cable, although I did test an earlier version of this patch. Will test in a couple days. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Acked-by: Zwane Mwaikambo <zwane@holomorphy.com> Grudgingly-acked-by: Andi Kleen <ak@muc.de> Signed-off-by: Coywolf Qi Hunt <coywolf@lovecn.org> Signed-off-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | Merge linux-2.6 into linux-acpi-2.6 testLen Brown2005-09-03
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| * | [ACPI] IA64-related ACPI Kconfig fixesLen Brown2005-08-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Build issues were mostly in the ACPI=n case -- don't do that. Select ACPI from IA64_GENERIC. Add some missing dependencies on ACPI. Mark BLACKLIST_YEAR and some laptop-only ACPI drivers as X86-only. Let me know when you get an IA64 Laptop. Signed-off-by: Len Brown <len.brown@intel.com>
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-19 15:21:00 -0500