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* kvm: provide kvm.h for all architecture: fixes headers_installChristian Borntraeger2008-04-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently include/linux/kvm.h is not considered by make headers_install, because Kbuild cannot handle " unifdef-$(CONFIG_FOO) += foo.h. This problem was introduced by commit fb56dbb31c4738a3918db81fd24da732ce3b4ae6 Author: Avi Kivity <avi@qumranet.com> Date: Sun Dec 2 10:50:06 2007 +0200 KVM: Export include/linux/kvm.h only if $ARCH actually supports KVM Currently, make headers_check barfs due to <asm/kvm.h>, which <linux/kvm.h> includes, not existing. Rather than add a zillion <asm/kvm.h>s, export kvm. only if the arch actually supports it. Signed-off-by: Avi Kivity <avi@qumranet.com> which makes this an 2.6.25 regression. One way of solving the issue is to enhance Kbuild, but Avi and David conviced me, that changing headers_install is not the way to go. This patch changes the definition for linux/kvm.h to unifdef-y. If  unifdef-y is used for linux/kvm.h "make headers_check" will fail on all architectures without asm/kvm.h. Therefore, this patch also provides asm/kvm.h on all architectures. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Avi Kivity <avi@qumranet.com> Cc: Sam Ravnborg <sam@ravnborg.org Cc: David Woodhouse <dwmw2@infradead.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68k{,nommu}: Wire up new timerfd syscallsGeert Uytterhoeven2008-03-04
| | | | | | | | | m68k{,nommu}: Wire up the new timerfd syscalls, which were introduced in commit 4d672e7ac79b5ec5cdc90e450823441e20464691 ("timerfd: new timerfd API"). Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: declare do_IRQ()Greg Ungerer2008-03-04
| | | | | | | | | Need a declaration of do_IRQ for the 68328 interrupt handling code. It is common to all m68knommu targets, so a common declaration makes sense. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: use tabs not spaces in cacheflush.hGreg Ungerer2008-02-14
| | | | | | | | Use tabs instead of spaces. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: avoid unneccessary use of xchg() in set_mb()Greg Ungerer2008-02-14
| | | | | | | | Avoid unneccessary use of xchg() in set_mb(). Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: add pgtable_tMartin Schwidefsky2008-02-09
| | | | | | | | | | | | | | | | CC init/main.o In file included from include2/asm/uaccess.h:8, from include/linux/poll.h:13, from include/linux/rtc.h:113, from include/linux/efi.h:19, from linux-2.6/init/main.c:43: include/linux/mm.h:1151: error: expected declaration specifiers or '...' before 'pgtable_t' Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Reported-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* avoid overflows in kernel/time.cH. Peter Anvin2008-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the conversion factor between jiffies and milli- or microseconds is not a single multiply or divide, as for the case of HZ == 300, we currently do a multiply followed by a divide. The intervening result, however, is subject to overflows, especially since the fraction is not simplified (for HZ == 300, we multiply by 300 and divide by 1000). This is exposed to the user when passing a large timeout to poll(), for example. This patch replaces the multiply-divide with a reciprocal multiplication on 32-bit platforms. When the input is an unsigned long, there is no portable way to do this on 64-bit platforms there is no portable way to do this since it requires a 128-bit intermediate result (which gcc does support on 64-bit platforms but may generate libgcc calls, e.g. on 64-bit s390), but since the output is a 32-bit integer in the cases affected, just simplify the multiply-divide (*3/10 instead of *300/1000). The reciprocal multiply used can have off-by-one errors in the upper half of the valid output range. This could be avoided at the expense of having to deal with a potential 65-bit intermediate result. Since the intent is to avoid overflow problems and most of the other time conversions are only semiexact, the off-by-one errors were considered an acceptable tradeoff. At Ralf Baechle's suggestion, this version uses a Perl script to compute the necessary constants. We already have dependencies on Perl for kernel compiles. This does, however, require the Perl module Math::BigInt, which is included in the standard Perl distribution starting with version 5.8.0. In order to support older versions of Perl, include a table of canned constants in the script itself, and structure the script so that Math::BigInt isn't required if pulling values from said table. Running the script requires that the HZ value is available from the Makefile. Thus, this patch also adds the Kconfig variable CONFIG_HZ to the architectures which didn't already have it (alpha, cris, frv, h8300, m32r, m68k, m68knommu, sparc, v850, and xtensa.) It does *not* touch the sh or sh64 architectures, since Paul Mundt has dealt with those separately in the sh tree. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Ralf Baechle <ralf@linux-mips.org>, Cc: Sam Ravnborg <sam@ravnborg.org>, Cc: Paul Mundt <lethal@linux-sh.org>, Cc: Richard Henderson <rth@twiddle.net>, Cc: Michael Starvik <starvik@axis.com>, Cc: David Howells <dhowells@redhat.com>, Cc: Yoshinori Sato <ysato@users.sourceforge.jp>, Cc: Hirokazu Takata <takata@linux-m32r.org>, Cc: Geert Uytterhoeven <geert@linux-m68k.org>, Cc: Roman Zippel <zippel@linux-m68k.org>, Cc: William L. Irwin <sparclinux@vger.kernel.org>, Cc: Chris Zankel <chris@zankel.net>, Cc: H. Peter Anvin <hpa@zytor.com>, Cc: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Add cmpxchg_local to m68knommuMathieu Desnoyers2008-02-07
| | | | | | | | | | Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Greg Ungerer <gerg@snapgear.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Cleanup asm/{elf,page,user}.h: #ifdef __KERNEL__ is no longer neededKirill A. Shutemov2008-02-07
| | | | | | | | | | | | | asm/elf.h, asm/page.h and asm/user.h don't export to userspace now, so we can drop #ifdef __KERNEL__ for them. [k.shutemov@gmail.com: remove #ifdef __KERNEL_] Signed-off-by: Kirill A. Shutemov <k.shutemov@gmail.com> Reviewed-by: David Woodhouse <dwmw2@infradead.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Kirill A. Shutemov <k.shutemov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* remove mm_{ptov,vtop}()Adrian Bunk2008-02-06
| | | | | | | | | | | | This patch removes the unused mm_{ptov,vtop}(). Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Bryan Wu <bryan.wu@analog.com> Cc: Miles Bader <miles.bader@necel.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knomu: remove dead config symbols from m68knomu codeJiri Olsa2008-02-05
| | | | | | | | | remove dead config symbols from m68knommu code Signed-off-by: Jiri Olsa <olsajiri@gmail.com> Acked-by: Greg Ungerer <gerg@snapgear.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* include/asm-m68knommu/: Spelling fixesJoe Perches2008-02-03
| | | | | | Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* m68knommu: remove unused CONFIG_DISKtel symbolGreg Ungerer2008-02-01
| | | | | | | Remove unused CONFIG_DISKtel define. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: fix 528x ColdFire cache settingsGreg Ungerer2008-02-01
| | | | | | | | | | | Fix problems with the 528x ColdFire CPU cache setup. Do not cache the flash region (if present), and make the runtime settings consistent with the init setting. Problems pointed out by Bernd Buttner <b.buettner@mkc-gmbh.de> Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ext4: Add ext4_find_next_bit()Aneesh Kumar K.V2008-01-28
| | | | | | | | | | This function is used by the ext4 multi block allocator patches. Also add generic_find_next_le_bit Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* m68knommu: fix pread/pwrite definesGreg Ungerer2007-11-05
| | | | | | | | | | Fix system call defines for system call 180 and 181 to match the underlying system call table function entries. System call 180 calls sys_pread64, and 181 calls sys_pwrite64, so make the definitions match. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: remove unused machdep variable definitionsGreg Ungerer2007-10-23
| | | | | | | | Remove old definitions of the timer function pointers. Add definitions of the common hardware timer functions. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: define DMA channels for ColdFire 532xGreg Ungerer2007-10-23
| | | | | | | Create definition for DMA channels on the ColdFire 532x family. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: add platform struct for ColdFire UART driverGreg Ungerer2007-10-23
| | | | | | | Add platform support structure for use with new ColdFire UART driver. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'sg' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2007-10-23
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'sg' of git://git.kernel.dk/linux-2.6-block: sparc64: zero out dma_length fvr32: fixup dma-mapping for new sg layout sh/sh64: fixup dma-mapping for new sg layout Fix sctp compile m68knommu: remove sg_address() frv: update comment in scatterlist to reflect new setup blackfin: remove sg_address() arm: sg fallout mips: sg_page() fallout alpha: sg_virt() fallout intel-iommu: fix sg_page() parisc: fix sg_page() fallout ide: build fix net: fix xfrm build - missing scatterlist.h include [BLOCK] blk_rq_map_sg: force clear termination bit [BLOCK] Don't clear sg_dma_len/addr() in blk_rq_map_sg() s390 zfcp: sg fixups powerpc: Fix fallout from sg_page() changes IB/ehca: Fix sg_page() fallout arm: build fix
| * m68knommu: remove sg_address()Jens Axboe2007-10-23
| | | | | | | | | | | | | | I would have replaced it with sg_virt(), but it doesn't appear to be used at all. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* | m68knommu: local module/elf definitionsGreg Ungerer2007-10-23
| | | | | | | | | | | | | | | | | | | | Up to now m68knommu has been using the asm-m68k/module.h instead of defining its own. There are recent changes there that we don't need (fixups specifically). We don't need much support here so it makes sense to have an m68knommu specific one now. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | m68knommu: define __clear_user macroMatt Waddel2007-10-23
|/ | | | | | | | Define __clear_user macro, consistent with other architectures. fs/signalfd.c won't compile without it. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Add CONFIG_DEBUG_SG sg validationJens Axboe2007-10-22
| | | | | | | Add a Kconfig entry which will toggle some sanity checks on the sg entry and tables. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Change table chaining layoutJens Axboe2007-10-22
| | | | | | | | | | | | | | | | | Change the page member of the scatterlist structure to be an unsigned long, and encode more stuff in the lower bits: - Bits 0 and 1 zero: this is a normal sg entry. Next sg entry is located at sg + 1. - Bit 0 set: this is a chain entry, the next real entry is at ->page_link with the two low bits masked off. - Bit 1 set: this is the final entry in the sg entry. sg_next() will return NULL when passed such an entry. It's thus important that sg table users use the proper accessors to get and set the page member. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* include/asm-*/system.h: remove unused set_rmb(), set_wmb() macrosStefan Richter2007-10-19
| | | | | | | | | These don't appear anywhere else in the kernel anymore. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* forbid asm/bitops.h direct inclusionJiri Slaby2007-10-19
| | | | | | | | | | | | | forbid asm/bitops.h direct inclusion Because of compile errors that may occur after bit changes if asm/bitops.h is included directly without e.g. linux/kernel.h which includes linux/bitops.h, forbid direct inclusion of asm/bitops.h. Thanks to Adrian Bunk. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* remove unused flush_tlb_pgtablesBenjamin Herrenschmidt2007-10-19
| | | | | | | | | | Nobody uses flush_tlb_pgtables anymore, this patch removes all remaining traces of it from all archs. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* bitops: introduce lock opsNick Piggin2007-10-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce test_and_set_bit_lock / clear_bit_unlock bitops with lock semantics. Convert all architectures to use the generic implementation. Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-By: David Howells <dhowells@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Bryan Wu <bryan.wu@analog.com> Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Matthew Wilcox <willy@debian.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Cc: Richard Curnow <rc@rc0.org.uk> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Cc: Andi Kleen <ak@muc.de> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Remove dma_cache_(wback|inv|wback_inv) functionsRalf Baechle2007-10-17
| | | | | | | | | | | | | | | | | | | | dma_cache_(wback|inv|wback_inv) were the earliest attempt on a generalized cache managment API for I/O purposes. Originally it was basically the raw MIPS low level cache API exported to the entire world. The API has suffered from a lack of documentation, was not very widely used unlike it's more modern brothers and can easily be replaced by dma_cache_sync. So remove it rsp. turn the surviving bits back into an arch private API, as discussed on linux-arch. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Paul Mackerras <paulus@samba.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Kyle McMartin <kyle@parisc-linux.org> Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* remove include/asm-*/ipc.hAdrian Bunk2007-10-17
| | | | | | | | | | | | All asm/ipc.h files do only #include <asm-generic/ipc.h>. This patch therefore removes all include/asm-*/ipc.h files and moves the contents of include/asm-generic/ipc.h to include/linux/ipc.h. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kill DECLARE_MUTEX_LOCKEDChristoph Hellwig2007-10-17
| | | | | | | | | | | | | DECLARE_MUTEX_LOCKED was used for semaphores used as completions and we've got rid of them. Well, except for one in libusual that the maintainer explicitly wants to keep as semaphore. So convert that useage to an explicit sema_init and kill of DECLARE_MUTEX_LOCKED so that new code is reminded to use a completion. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: "Satyam Sharma" <satyam.sharma@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* M68KNOMMU: remove unused config symbol CONFIG_DISKtelGreg Ungerer2007-10-16
| | | | | | | | | Remove unused config symbol CONFIG_DISKtel. Pointed out by Robert P. J. Day <rpjday@mindspring.com>. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Binfmt_flat: Add minimum support for the Blackfin relocationsBernd Schmidt2007-10-03
| | | | | | | | | | | | | | | | Add minimum support for the Blackfin relocations, since we don't have enough space in each reloc. The idea is to store a value with one relocation so that subsequent ones can access it. Actually, this patch is required for Blackfin. Currently if BINFMT_FLAT is enabled, git-tree kernel will fail to compile. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Cc: David McCullough <davidm@snapgear.com> Cc: Greg Ungerer <gerg@snapgear.com> Cc: Miles Bader <miles.bader@necel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* m68k(nommu): add missing syscallsGeert Uytterhoeven2007-09-11
| | | | | | Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: include asm-generic/pgtable.hGreg Ungerer2007-08-24
| | | | | | | | Include asm-generic/pgtable.h to pick up the lazy_mmu_mode and lazy_cpu_mode macros. Won't build without them. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* remove unused TIF_NOTIFY_RESUME flagStephane Eranian2007-07-31
| | | | | | | | | | | | Remove unused TIF_NOTIFY_RESUME flag for all processor architectures. The flag was not used excecpt on IA-64 where the patch replaces it with TIF_PERFMON_WORK. Signed-off-by: stephane eranian <eranian@hpl.hp.com> Cc: <linux-arch@vger.kernel.org> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: remove crap from machdep.hGreg Ungerer2007-07-28
| | | | | | | Removed unused dead crap from machdep.h header. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: fix declaration of mach_sched_initGreg Ungerer2007-07-28
| | | | | | | | Make declaration of mach_sched_init match definition (which is in arch/m68knommu/kernel/setup.c). Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: remove unused mach_trap_initGreg Ungerer2007-07-26
| | | | | | | | Remove the unused mach_trap_init function pointer. All use of it removed with change to using generic irq framework. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: add prototype for ack_bad_irqGreg Ungerer2007-07-26
| | | | | | | | Create prototype for ack_bad_irq() for m68knommu. Compilation of kernel/irq/handle.c fails without it. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: fix reset register address castingGreg Ungerer2007-07-25
| | | | | | | Fix types used for reset register address setup. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: create hw_irq.hGreg Ungerer2007-07-25
| | | | | | | Need an include/asm-m68knommu/hw_irq.h for kernel/hrtimer.c Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: fix definition of MCFDMA_DIR_INVPhilippe De Muyter2007-07-25
| | | | | | | Fix a small typo in the definition of MCFDMA_DIR_INV (MCF5272 specific). Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: fix tick timer definition for coldfireGreg Ungerer2007-07-25
| | | | | | | | | CLOCK_TICK_RATE should give the underlying frequency of the tick timer, to make ntp happy. For Coldfires, that's the main clock. Signed-off-by: Philippe De Muyter <phdm@macqel.be> Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: remove is_in_rom() functionGreg Ungerer2007-07-19
| | | | | | | | | | | Remove is_in_rom() function. It doesn't actually serve the purpose it was intended to. If you look at the use of it _access_ok() (which is the only use of it) then it is obvious that most of memory is marked as access_ok. No point having is_in_rom() then, so remove it. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: generic irq handlingGreg Ungerer2007-07-19
| | | | | | | | Change the m68knommu irq handling to use the generic irq framework. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fbdev: detect primary display deviceAntonino A. Daplas2007-07-17
| | | | | | | | | | | | | Add function helper, fb_is_primary_device(). Given struct fb_info, it will return a nonzero value if the device is the primary display. Currently, only the i386 is supported where the function checks for the IORESOURCE_ROM_SHADOW flag. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fbdev: move arch-specific bits to their respective subdirectoriesAntonino A. Daplas2007-07-17
| | | | | | | | | | | | Move arch-specific bits of fb_mmap() to their respective subdirectories [bob.picco@hp.com: efi_range_is_wc is referenced but not declared] [bunk@stusta.de: fix include/asm-m68k/fb.h] Signed-off-by: Antonino Daplas <adaplas@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Add __GFP_MOVABLE for callers to flag allocations from high memory that may ↵Mel Gorman2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | be migrated It is often known at allocation time whether a page may be migrated or not. This patch adds a flag called __GFP_MOVABLE and a new mask called GFP_HIGH_MOVABLE. Allocations using the __GFP_MOVABLE can be either migrated using the page migration mechanism or reclaimed by syncing with backing storage and discarding. An API function very similar to alloc_zeroed_user_highpage() is added for __GFP_MOVABLE allocations called alloc_zeroed_user_highpage_movable(). The flags used by alloc_zeroed_user_highpage() are not changed because it would change the semantics of an existing API. After this patch is applied there are no in-kernel users of alloc_zeroed_user_highpage() so it probably should be marked deprecated if this patch is merged. Note that this patch includes a minor cleanup to the use of __GFP_ZERO in shmem.c to keep all flag modifications to inode->mapping in the shmem_dir_alloc() helper function. This clean-up suggestion is courtesy of Hugh Dickens. Additional credit goes to Christoph Lameter and Linus Torvalds for shaping the concept. Credit to Hugh Dickens for catching issues with shmem swap vector and ramfs allocations. [akpm@linux-foundation.org: build fix] [hugh@veritas.com: __GFP_ZERO cleanup] Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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