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* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2007-05-10
|\ | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Use alloc_pci_dev() in PCI bus probes. [SPARC64]: Bump PROMINTR_MAX to 32. [SPARC64]: Fix recursion in PROM tree building. [SERIAL] sunzilog: Interrupt enable before ISR handler installed [SPARC64] PCI: Consolidate PCI access code into pci_common.c
| * [SPARC64]: Bump PROMINTR_MAX to 32.David S. Miller2007-05-10
| | | | | | | | | | | | | | Some devices have more than 15 which was the previous setting. Signed-off-by: David S. Miller <davem@davemloft.net>
* | Remove hardcoding of hard_smp_processor_id on UP systemsFernando Luis Vazquez Cao2007-05-09
|/ | | | | | | | | | | | | | | | | | | | With the advent of kdump, the assumption that the boot CPU when booting an UP kernel is always the CPU with a particular hardware ID (often 0) (usually referred to as BSP on some architectures) is not valid anymore. The reason being that the dump capture kernel boots on the crashed CPU (the CPU that invoked crash_kexec), which may be or may not be that particular CPU. Move definition of hard_smp_processor_id for the UP case to architecture-specific code ("asm/smp.h") where it belongs, so that each architecture can provide its own implementation. Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Acked-by: Andi Kleen <ak@suse.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [SPARC64]: Optimize fault kprobe handling just like powerpc.David S. Miller2007-05-08
| | | | | | And eliminate DIE_GPF while we're at it. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Wire up utimensat syscall.David S. Miller2007-05-08
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Kill asm-sparc64/pbm.hDavid S. Miller2007-05-08
| | | | | | Everything it contains can be hidden in pci_impl.h Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Move index info pci_pbm_info.David S. Miller2007-05-08
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Move {setup,teardown}_msi_irq into pci_pbm_info.David S. Miller2007-05-08
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Move pci_ops into pci_pbm_info.David S. Miller2007-05-08
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64] PCI: Use root list of pbm's instead of pci_controller_info'sDavid S. Miller2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The idea is to move more and more things into the pbm, with the eventual goal of eliminating the pci_controller_info entirely as there really isn't any need for it. This stage of the transformations requires some reworking of the PCI error interrupt handling. It might be tricky to get rid of the pci_controller_info parenting for a few reasons: 1) When we get an uncorrectable or correctable error we want to interrogate the IOMMU and streaming cache of both PBMs for error status. These errors come from the UPA front-end which is shared between the two PBM PCI bus segments. Historically speaking this is why I choose the datastructure hierarchy of pci_controller_info-->pci_pbm_info 2) The probing does a portid/devhandle match to look for the 'other' pbm, but this is entirely an artifact and can be eliminated trivially. What we could do to solve #1 is to have a "buddy" pointer from one pbm to another. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64] PCI: Kill PROM_PCIRNG_MAX and PROM_PCIIMAP_MAX.David S. Miller2007-05-08
| | | | | | They are totally unused. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64] PCI: Use common routine to fetch PBM properties.David S. Miller2007-05-08
| | | | | | | | | | Namely bus-range and ino-bitmap. This allows us also to eliminate pci_controller_info's pci_{first,last}_busno fields as only the pbm ones are used now. Signed-off-by: David S. Miller <davem@davemloft.net>
* Remove tas()Jeff Dike2007-05-08
| | | | | | | | | | tas() has no users, so get rid of it. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: <linux-arch@vger.kernel.org> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* local_t: sparc64 cleanupMathieu Desnoyers2007-05-08
| | | | | | | | | sparc64 local_t cleanup : simply use asm-generic/local.h. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* atomic.h: atomic_add_unless as inline. Remove system.h atomic.h circular ↵Mathieu Desnoyers2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | dependency atomic_add_unless as inline. Remove system.h atomic.h circular dependency. I agree (with Andi Kleen) this typeof is not needed and more error prone. All the original atomic.h code that uses cmpxchg (which includes the atomic_add_unless) uses defines instead of inline functions, probably to circumvent a circular dependency between system.h and atomic.h on powerpc (which my patch addresses). Therefore, it makes sense to use inline functions that will provide type checking. atomic_add_unless as inline. Remove system.h atomic.h circular dependency. Digging into the FRV architecture shows me that it is also affected by such a circular dependency. Here is the diff applying this against the rest of my atomic.h patches. It applies over the atomic.h standardization patches. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* atomic.h: add atomic64 cmpxchg, xchg and add_unless to sparc64Mathieu Desnoyers2007-05-08
| | | | | | | Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* consolidate asm/const.h to linux/const.hRandy Dunlap2007-05-08
| | | | | | | | | | | | | | | Make a global linux/const.h header file instead of having multiple, per-arch files, and convert current users of asm/const.h to use linux/const.h. Built on x86_64 and sparc64. [akpm@linux-foundation.org: fix include/asm-x86_64/Kbuild] Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* move die notifier handling to common codeChristoph Hellwig2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | This patch moves the die notifier handling to common code. Previous various architectures had exactly the same code for it. Note that the new code is compiled unconditionally, this should be understood as an appel to the other architecture maintainer to implement support for it aswell (aka sprinkling a notify_die or two in the proper place) arm had a notifiy_die that did something totally different, I renamed it to arm_notify_die as part of the patch and made it static to the file it's declared and used at. avr32 used to pass slightly less information through this interface and I brought it into line with the other architectures. [akpm@linux-foundation.org: build fix] [akpm@linux-foundation.org: fix vmalloc_sync_all bustage] [bryan.wu@analog.com: fix vmalloc_sync_all in nommu] Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: <linux-arch@vger.kernel.org> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2007-05-07
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SERIAL] sunsu: Fix section mismatch warnings. [SPARC64]: pgtable_cache_init() should be __init. [SPARC64]: Fix section mismatch warnings in arch/sparc64/kernel/prom.c [SPARC64]: Fix section mismatch warnings in arch/sparc64/kernel/pci.c [SPARC64]: Fix section mismatch warnings in arch/sparc64/kernel/console.c [MM]: sparse_init() should be __init. [SPARC64]: Update defconfig. [VIDEO]: Add Sun XVR-2500 framebuffer driver. [VIDEO]: Add Sun XVR-500 framebuffer driver. [SPARC64]: SUN4U PCI-E controller support. [SPARC]: Fix comment typo in smp4m_blackbox_current(). [SCSI] SUNESP: sun_esp.c needs linux/delay.h Fix up conflict in arch/sparc64/mm/init.c manually due to removal of pgtable_cache_init() through the -mm patches (even though that patch was also by David ;) Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * [SPARC64]: SUN4U PCI-E controller support.David S. Miller2007-05-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some minor refactoring in the generic code was necessary for this: 1) This controller requires 8-byte access to the interrupt map and clear register. They are 64-bits on all the other SBUS and PCI controllers anyways, so this was easy to cure. 2) The IMAP register has a different layout and some bits that we need to preserve, so use a read/modify/write when making changes to the IMAP register in generic code. 3) Flushing the entire IOMMU TLB is best done with a single write to a register on this PCI controller, add a iommu->iommu_flushinv for this. Still lacks MSI support, that will come later. Signed-off-by: David S. Miller <davem@davemloft.net>
* | Quicklist support for sparc64David Miller2007-05-07
|/ | | | | | | | | | | | | | I ported this to sparc64 as per the patch below, tested on UP SunBlade1500 and 24 cpu Niagara T1000. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Andi Kleen <ak@suse.de> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: William Lee Irwin III <wli@holomorphy.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6Linus Torvalds2007-05-05
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits) [PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall [PATCH] i386: type may be unused [PATCH] i386: Some additional chipset register values validation. [PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split. [PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff [PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu [PATCH] i386: white space fixes in i387.h [PATCH] i386: Drop noisy e820 debugging printks [PATCH] x86-64: Fix allnoconfig error in genapic_flat.c [PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems [PATCH] x86-64: Share identical video.S between i386 and x86-64 [PATCH] x86-64: Remove CONFIG_REORDER [PATCH] x86-64: Print type and size correctly for unknown compat ioctls [PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0) [PATCH] i386: Little cleanups in smpboot.c [PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning [PATCH] x86: Use RDTSCP for synchronous get_cycles if possible [PATCH] i386: Add X86_FEATURE_RDTSCP [PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386 [PATCH] i386: Implement alternative_io for i386 ... Fix up trivial conflict in include/linux/highmem.h manually. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * [PATCH] x86: PARAVIRT: add hooks to intercept mm creation and destructionJeremy Fitzhardinge2007-05-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add hooks to allow a paravirt implementation to track the lifetime of an mm. Paravirtualization requires three hooks, but only two are needed in common code. They are: arch_dup_mmap, which is called when a new mmap is created at fork arch_exit_mmap, which is called when the last process reference to an mm is dropped, which typically happens on exit and exec. The third hook is activate_mm, which is called from the arch-specific activate_mm() macro/function, and so doesn't need stub versions for other architectures. It's called when an mm is first used. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: linux-arch@vger.kernel.org Cc: James Bottomley <James.Bottomley@SteelEye.com> Acked-by: Ingo Molnar <mingo@elte.hu>
| * [PATCH] x86-64: Account for module percpu space separately from kernel percpuJeremy Fitzhardinge2007-05-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than using a single constant PERCPU_ENOUGH_ROOM, compute it as the sum of kernel_percpu + PERCPU_MODULE_RESERVE. This is now common to all architectures; if an architecture wants to set PERCPU_ENOUGH_ROOM to something special, then it may do so (ia64 is the only one which does). Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Andi Kleen <ak@suse.de>
* | PCI: scatterlist.h needs types.hJean Delvare2007-05-02
|/ | | | | | | | | | | Most architectures' scatterlist.h use the type dma_addr_t, but omit to include <asm/types.h> which defines it. This could lead to build failures, so let's add the missing includes. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2007-04-27
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (67 commits) [SCSI] SUNESP: Complete driver rewrite to version 2.0 [SPARC64]: Convert PCI over to generic struct iommu/strbuf. [SPARC]: device_node name constification fallout [SPARC64]: Convert SBUS over to generic iommu/strbuf structs. [SPARC64]: Add generic iommu and strbuf structs to iommu.h [SPARC64]: Consolidate {sbus,pci}_iommu_arena. [SPARC]: Make device_node name and type const [SPARC64]: constify some paramaters of OF routines [TIGON3]: of_get_property() returns const. [SPARC64]: Fix PCI rework to adhere to of_get_property() const return. [SPARC64]: Document and fix calculation of pages_avail. [SPARC64]: Make sure pbm->prom_node is setup easly enough in psycho.c [SPARC64]: Use bootmem_bootmap_pages() in choose_bootmap_pfn(). [SPARC64]: Add proper header file extern for cmdline_memory_size. [SPARC64]: Kill sparc_ultra_dump_{i,d}tlb() [SPARC64]: Use DECLARE_BITMAP and BITS_TO_LONGS in mm/init.c [SPARC64]: Give move verbose show_mem() output just like i386. [SPARC64]: Mark show_mem() printk's with KERN_INFO. [SPARC64]: Kill kvaddr_to_phys() and friends. [SPARC64]: Privatize sun4u_get_pte() and fix name. ...
| * [SPARC64]: Convert PCI over to generic struct iommu/strbuf.David S. Miller2007-04-27
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Add generic iommu and strbuf structs to iommu.hDavid S. Miller2007-04-26
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Consolidate {sbus,pci}_iommu_arena.David S. Miller2007-04-26
| | | | | | | | | | | | Move to asm-sparc64/iommu.h and rename to plain "iommu_arena". Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC]: Make device_node name and type constStephen Rothwell2007-04-26
| | | | | | | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: constify some paramaters of OF routinesStephen Rothwell2007-04-26
| | | | | | | | | | | | | | | | This starts bringing the PowerPC and Sparc64 implemetations back closer together. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Add proper header file extern for cmdline_memory_size.David S. Miller2007-04-26
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Privatize sun4u_get_pte() and fix name.David S. Miller2007-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __get_phys is only called from init.c as is prom_virt_to_phys(), __get_iospace() is not called at all, and sun4u_get_pte() is largely misnamed. Privatize the implementation and helper functions of sun4u_get_phys() to mm/init.c, and rename to kvaddr_to_paddr(). The only used of this thing is flush_icache_range(), and thus things can be considerably further simplified. For example, we should only see module or PAGE_OFFSET kernel addresses here, so we don't need the OBP firmware range handling at all. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: MAX_PHYSADDR_BITS et al. really need to be 42 bits not 41.David S. Miller2007-04-26
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Use SPARSEMEM_STATICDavid S. Miller2007-04-26
| | | | | | | | | | | | | | | | | | | | | | | | Decrease the SECTION_SIZE_BITS --> MAX_PHYSADDR_BITS range a little bit. The cost of going to SPARSEMEM_STATIC becomes 8K of BSS space, and in return we save a pointer dereferences on every page struct lookup. Even better we hit the main kernel image for the base address which is in a hugepage locked TLB entry. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Use DECLARE_BITMAP in struct pci_iommu.David S. Miller2007-04-26
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Const'ify pci_iommu_ops.David S. Miller2007-04-26
| | | | | | | | | | | | | | Based upon a similar patch for x86_64 written by Stephen Hemminger. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Kill pbm->pci_first_slot.David S. Miller2007-04-26
| | | | | | | | | | | | Set but never used. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Kill pci_controller->pbms_same_domainDavid S. Miller2007-04-26
| | | | | | | | | | | | | | | | We don't do the "Simba APB is a PBM" bogosity for Sabre controllers any longer, so this pbms_same_domain thing is no longer necessary. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Kill pci_controller->base_address_update().David S. Miller2007-04-26
| | | | | | | | | | | | Implemented but never actually used. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Kill pci_controller->resource_adjust()David S. Miller2007-04-26
| | | | | | | | | | | | | | All the implementations can be identical and generic, so no need for controller specific methods. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Kill PBM ranges software state.David S. Miller2007-04-26
| | | | | | | | | | | | | | It is only used in one spot and we can just fetch the OF property right there. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Kill PBM intmap software state.David S. Miller2007-04-26
| | | | | | | | | | | | Set but never used. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Internalize pci_memspace_mask.David S. Miller2007-04-26
| | | | | | | | | | | | | | | | | | The only user was bus_dvma_to_mem() which is no longer used by any driver, so kill that, and the export of pci_memspace_mask. The only user now is the PCI mmap support code. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Probe PCI bus using OF device tree.David S. Miller2007-04-26
| | | | | | | | | | | | | | | | | | Almost entirely taken from the 64-bit PowerPC PCI code. This allowed to eliminate a ton of cruft from the sparc64 PCI layer. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64] isa: Convert to use pci_device_to_OF_node().David S. Miller2007-04-26
| | | | | | | | | | | | | | Also, do not try to compute resources by hand, instead use the pre-computed ones in the of_device. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64] ebus: Convert to use pci_device_to_OF_node().David S. Miller2007-04-26
| | | | | | | | | | | | | | Also, we don't need to store or use the PBM so kill that from the linux_ebus. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC/64]: constify of_get_property returnStephen Rothwell2007-04-26
| | | | | | | | | | | | | | Finally, we actually change the functions themselves. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64] constify of_get_property return: includeStephen Rothwell2007-04-26
| | | | | | | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Add clocksource/clockevents support.David S. Miller2007-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I'd like to thank John Stul and others for helping me along the way. A lot of cleanups fell out of this. For example, the get_compare() tick_op was totally unused, so was deleted. And the most often used tick_op members were grouped together for cache-friendlyness. The sparc64 TSC is given to the kernel as a one-shot timer. tick_ops->init_timer() simply turns off the privileged bit in the tick register (when possible), and disables the interrupt by setting bit 63 in the compare register. The ->disable_irq() op also sets this bit. tick_ops->add_compare() is changed to: 1) Add the given delta to "tick" not to "compare" 2) Return a boolean which, if true, means that the tick value read after writing the compare value was found to have incremented past the initial tick value. This mirrors logic used in the HPET driver's ->next_event() method. Each tick_ops implementation also now provides a name string. And we feed this into the clocksource and clockevents layers. Signed-off-by: David S. Miller <davem@davemloft.net>
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