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* Remove tas()Jeff Dike2007-05-081-10/+0
| | | | | | | | | | 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>
* Clean up mostly unused IOSPACE macrosDavid Gibson2007-05-081-4/+0
| | | | | | | | | | | | | | | Most architectures defined three macros, MK_IOSPACE_PFN(), GET_IOSPACE() and GET_PFN() in pgtable.h. However, the only callers of any of these macros are in Sparc specific code, either in arch/sparc, arch/sparc64 or drivers/sbus. This patch removes the redundant macros from all architectures except sparc and sparc64. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kdump/kexec: calculate note size at compile timeSimon Horman2007-05-081-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | Currently the size of the per-cpu region reserved to save crash notes is set by the per-architecture value MAX_NOTE_BYTES. Which in turn is currently set to 1024 on all supported architectures. While testing ia64 I recently discovered that this value is in fact too small. The particular setup I was using actually needs 1172 bytes. This lead to very tedious failure mode where the tail of one elf note would overwrite the head of another if they ended up being alocated sequentially by kmalloc, which was often the case. It seems to me that a far better approach is to caclculate the size that the area needs to be. This patch does just that. If a simpler stop-gap patch for ia64 to be squeezed into 2.6.21(.X) is needed then this should be as easy as making MAX_NOTE_BYTES larger in arch/asm-ia64/kexec.h. Perhaps 2048 would be a good choice. However, I think that the approach in this patch is a much more robust idea. Acked-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Simon Horman <horms@verge.net.au> 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 Hellwig2007-05-081-0/+1
| | | | | | | | | | | | | | | | | | | | | | | 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>
* sh: R7785RP board updates.Ryusuke Sakato2007-05-071-0/+7
| | | | | | | Some fixups for the R7785RP board. Gets iVDR working. Signed-off-by: Ryusuke Sakato <sakato.ryusuke@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add die chain notifiers.Paul Mundt2007-05-072-0/+38
| | | | | | Add the atomic die chains in, kprobes needs these. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Solution Engine 7722 board support.Ryusuke Sakato2007-05-071-0/+118
| | | | | | | | | This adds more full-featured support for the SH7722 Solution Engine. Previously this was using the generic board, and lacked most of the peripheral support. Signed-off-by: Ryusuke Sakato <sakato.ryusuke@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix r7780rp build.Paul Mundt2007-05-071-0/+1
| | | | | | | With the addition of the R7780MP and R7785RP, the R7780RP build ended up breaking. Trivial compile fix. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: kdump support.Paul Mundt2007-05-071-5/+37
| | | | | | This adds support for kexec based crash dumps. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move clock reporting to its own proc entry.Paul Mundt2007-05-071-2/+0
| | | | | | | Previously this was done in cpuinfo, but with the number of clocks growing, it makes more sense to place this in a different proc entry. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Solution Engine SH7705 board and CPU updates.Nobuhiro Iwamatsu2007-05-071-2/+3
| | | | | | | | This fixes up SH7705 CPU support and the SE7705 board for some of the recent changes. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.zh@hitachi.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: SH7722 clock framework support.dmitry pervushin2007-05-072-1/+35
| | | | | | | This adds support for the SH7722 (MobileR) to the clock framework. Signed-off-by: dmitry pervushin <dimka@nomadgs.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Obey CONFIG_HZ for HZ definition.Paul Mundt2007-05-071-1/+1
| | | | | | | | This wasn't being set before, so now it's set for when it makes sense. The shwdt case still requires HZ to be fixed at 1000 for the WOVF period, so this is still preserved. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix fstatat64() syscall.SUGIOKA Toshinobu2007-05-071-10/+9
| | | | | Signed-off-by: SUGIOKA Toshinobu <sugioka@itonet.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: SH7780 Solution Engine board support.Nobuhiro Iwamatsu2007-05-071-0/+108
| | | | | | | This adds support for the SH7780-based Solution Engine reference board. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.zh@hitachi.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Tidy up L-BOX area5 addresses.Paul Mundt2007-05-071-7/+2
| | | | | | | L-BOX can use the normal PA_AREA5_IO, there's no reason for it to reproduce it. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: bootmem tidying for discontig/sparsemem preparation.Paul Mundt2007-05-072-7/+9
| | | | | | | | | This reworks some of the node 0 bootmem initialization in preparation for discontigmem and sparsemem support. ARCH_POPULATES_NODE_MAP is switched to as a result of this. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: MS7712SE01 board support.Nobuhiro Iwamatsu2007-05-073-1/+3
| | | | | | | Support the SH7712 (SH3-DSP) Solution Engine reference board. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: L-BOX RE2 support.Nobuhiro Iwamatsu2007-05-071-0/+32
| | | | | | | | | | | | | | | | This adds support for the L-BOX RE2 router. http://www.nttcom.co.jp/l-box/ L-BOX RE2 is a SH7751R-based router. It has CF, Cardbus, serial, and LAN x2. This is one of the very few SH boards that a general person can obtain now. The L-BOX shipped with a 2.4.28 kernel, this is a rewritten patch adding it to current git. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add SH7785 Highlander board support (R7785RP).Paul Mundt2007-05-073-17/+57
| | | | | | | | | | | This adds preliminary support for the SH7785-based Highlander board. Some of the Highlander support code is reordered so that most of it can be reused directly. This also plugs in missing SH7785 checks in the places that need it, as this is the first board to support the CPU. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: NR_IRQS consolidation.Paul Mundt2007-05-071-86/+5
| | | | | | | | | | Each board sets the total number of IRQs that it's interested in via the machvec. Previously we cared about the off vs on-chip IRQ range, but any code relying on that is long dead. Set NR_IRQS to something sensible given the vector range, and allow boards to cap it if they really care. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: generic BUG() support.Paul Mundt2007-05-071-31/+61
| | | | | | | | | Wire up GENERIC_BUG for SH. This moves off of the special bug frame and on to the generic struct bug_entry. Roughly the same semantics are retained, and we can kill off some of the verbose BUG() reporting code. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Bring kgdb back from the dead.Paul Mundt2007-05-072-47/+6
| | | | | | | | This code has suffered quite a bit of bitrot, do some basic tidying to get it to a reasonably functional state again. This gets the basic support and the console working again. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6Linus Torvalds2007-05-051-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * '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 Fitzhardinge2007-05-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | PCI: scatterlist.h needs types.hJean Delvare2007-05-031-0/+2
|/ | | | | | | | | | | 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 Torvalds2007-04-271-3/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. ...
| * [STRING]: Move strcasecmp/strncasecmp to lib/string.cDavid S. Miller2007-04-261-3/+0
| | | | | | | | | | | | | | We have several platforms using local copies of identical code. Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NET]: Adding SO_TIMESTAMPNS / SCM_TIMESTAMPNS supportEric Dumazet2007-04-261-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that network timestamps use ktime_t infrastructure, we can add a new SOL_SOCKET sockopt SO_TIMESTAMPNS. This command is similar to SO_TIMESTAMP, but permits transmission of a 'timespec struct' instead of a 'timeval struct' control message. (nanosecond resolution instead of microsecond) Control message is labelled SCM_TIMESTAMPNS instead of SCM_TIMESTAMP A socket cannot mix SO_TIMESTAMP and SO_TIMESTAMPNS : the two modes are mutually exclusive. sock_recv_timestamp() became too big to be fully inlined so I added a __sock_recv_timestamp() helper function. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> CC: linux-arch@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolutionEric Dumazet2007-04-261-1/+2
|/ | | | | | | | | | Now network timestamps use ktime_t infrastructure, we can add a new ioctl() SIOCGSTAMPNS command to get timestamps in 'struct timespec'. User programs can thus access to nanosecond resolution. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> CC: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh: Trivial fix for hp6xx build.Kristoffer Ericson2007-03-281-3/+3
| | | | | | | | The IRQ3 define was removed when asm-sh/irq.h was cleaned up, this updates the hp6xx header to use the IRQ number directly. Signed-off-by: Kristoffer Ericson <kristoffer_e1@hotmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fixup __cmpxchg() compile breakage with gcc4.Paul Mundt2007-03-281-0/+1
| | | | | | | | | | | | | | | | | As reported by Manuel: When I build linux with GCC-4.x and enable CONFIG_CC_OPTIMIZE_FOR_SIZE linking fails with this error: LD .tmp_vmlinux1 kernel/built-in.o: In function '__cmpxchg_called_with_bad_pointer' make[1]: *** [.tmp_vmlinux1] Error 1 make: *** [_all] Error 2 This ended up being an inlining problem, fixed by explicitly including linux/compiler.h and grabbing the definitions from there. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix bogus regs pointer in do_IRQ().Paul Mundt2007-03-141-0/+5
| | | | | | | | SH-3 and SH-4 were trampling the register, and SH-2 wasn't even setting it in the first place. This ended up with some rather broken behaviour in the sysrq show_regs(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Convert struct ioctls to static defines.Mike Frysinger2007-03-121-11/+11
| | | | | | | | | | This fixes up some compile failures for cases where we don't include all of the headers. There's not much point in keeping the struct references around anyways, most of the others have been converted already. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Define missing __NR_readahead.Paul Mundt2007-03-121-0/+1
| | | | | | | | For some reason sh was missing __NR_readahead, even though the syscall was wired up, and the slot was reserved. Caught with dwmw2's missing syscall checker. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Revert lazy dcache writeback changes.Paul Mundt2007-03-054-3/+9
| | | | | | | These ended up causing too many problems on older parts, revert for now.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Use L1_CACHE_BYTES for .data.cacheline_aligned.Paul Mundt2007-03-051-1/+2
| | | | | | | Previously this was using a hardcoded 32, use L1_CACHE_BYTES for cacheline alignment instead. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Clear UBC when not in use.Stuart Menefy2007-03-051-0/+2
| | | | | | | | | This takes care of tearing down the UBC so it's not inadvertently left configured at the next context switch time. Failure to do this results in spurious SIGTRAPs in certain debug sequences. Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: rts7751r2d board updates.Paul Mundt2007-02-153-5/+9
| | | | | | | | This tidies up some of the rts7751r2d mess and gets it booting again. Update the defconfig, too. Signed-off-by: Masayuki Hosokawa <hosokawa@ace-jp.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off dead bigsur and ec3104 boards.Paul Mundt2007-02-149-243/+0
| | | | | | | | Neither of these have had any maintenance in years, and there's no interest in keeping them straggling along. These have already been slated for removal some time, so finally just get rid of them. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Revert TLB miss fast-path changes that broke PTEA parts.Paul Mundt2007-02-141-1/+1
| | | | | | | | This ended up causing problems for older parts (particularly ones using PTEA). Revert this for now, it can be added back in once it's had some more testing. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: define dma noncoherent API functions.Paul Mundt2007-02-131-0/+4
| | | | | | sh was missing these, too. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Missing flush_dcache_all() proto in cacheflush.h.Paul Mundt2007-02-131-0/+1
| | | | | | Some boards need this, so provide a definition. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add cpu-features header to asm/Kbuild.Paul Mundt2007-02-131-0/+2
| | | | | | | | This is used by the libc for parsing CPU capability flags passed via the ELF auxvt, needed for run-time selection of atomic opcodes amongst other things. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move __KERNEL__ up in asm/page.h.Paul Mundt2007-02-131-1/+2
| | | | | | | This was breaking the uClibc build, which triggered the bogus page size error. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix syscall numbering breakage.Paul Mundt2007-02-131-9/+9
| | | | | | We accidentally broke the inotify syscalls, fix those up again. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Local TLB flushing variants for SMP prep.Paul Mundt2007-02-131-7/+31
| | | | | | | Rename the existing flush routines to local_ variants for use by the IPI-backed global flush routines on SMP. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fixup cpu_data references for the non-boot CPUs.Paul Mundt2007-02-133-6/+7
| | | | | | | There are a lot of bogus cpu_data-> references that only end up working for the boot CPU, convert these to current_cpu_data to fixup SMP. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Use a per-cpu ASID cache.Paul Mundt2007-02-133-38/+44
| | | | | | | | Previously this was implemented using a global cache, cache this per-CPU instead and bump up the number of context IDs to match NR_CPUS. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: SH-DMAC compile fixesManuel Lauss2007-02-131-0/+11
| | | | | | | | | | | | | | | | | This patch does the following: - remove the make_ipr_irq stuff from dma-sh.c and replace it with a simple channel<->irq mapping table. - add DMTEx_IRQ constants for sh4 cpus - fix sh7751 DMAE irq number The SH7780 uses the same IRQs for DMA as other SH4 types, so I put the constants on top of the dma.h file. Other CPU types need to #define their own DMTEx_IRQ contants in their appropriate header. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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