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2008-04-24[POWERPC] 4xx: Fix duplicate phys_addr_t definitionJosh Boyer1-2/+0
Commit d04ceb3fc294ea2c4f538a04343f3a473953a3b0 moved phys_addr_t definitions to include/asm-powerpc/types.h. However, arch/ppc 440 builds had a duplicate definition in include/asm-ppc/mmu.h that caused the build to fail. This removes the duplicate definition in arch/ppc. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24Merge branch 'powerpc-next' of ↵Paul Mackerras2-8/+0
master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
2008-04-21[PPC] Remove mpc885ads and mpc86x ads boards from arch/ppcKumar Gala1-4/+0
We have a board port in arch/powerpc so we dont need this one anymore. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-04-21[PPC] Remove mpc8272 ads board from arch/ppcKumar Gala1-4/+0
We have a board port in arch/powerpc so we dont need this one anymore. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-04-19include: Remove unnecessary inclusions of asm/semaphore.hMatthew Wilcox1-1/+0
None of these files use any of the functionality promised by asm/semaphore.h. It's possible that they (or some user of them) rely on it dragging in some unrelated header file, but I can't build all these files, so we'll have to fix any build failures as they come up. Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
2008-03-08[PPC] 8xx: swap bug-fixYuri Tikhonov1-8/+0
This makes swap routines operate correctly on the ppc_8xx based machines. Recent kernel's size makes swap feature very important on low-memory platfor those are actually non-operable without it. Signed-off-by: Yuri Tikhonov <yur@emcraft.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-02-14[POWERPC] Fix arch/ppc compilation - add typedef for pgtable_tStefan Roese1-0/+2
Commit 2f569afd9ced9ebec9a6eb3dbf6f83429be0a7b4 ("CONFIG_HIGHPTE vs. sub-page page tables.") breaks compilation of arch/ppc since it introduces the pgtable_t type which was not added to arch/ppc. This adds the missing typedef. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-02-08CONFIG_HIGHPTE vs. sub-page page tables.Martin Schwidefsky1-2/+4
Background: I've implemented 1K/2K page tables for s390. These sub-page page tables are required to properly support the s390 virtualization instruction with KVM. The SIE instruction requires that the page tables have 256 page table entries (pte) followed by 256 page status table entries (pgste). The pgstes are only required if the process is using the SIE instruction. The pgstes are updated by the hardware and by the hypervisor for a number of reasons, one of them is dirty and reference bit tracking. To avoid wasting memory the standard pte table allocation should return 1K/2K (31/64 bit) and 2K/4K if the process is using SIE. Problem: Page size on s390 is 4K, page table size is 1K or 2K. That means the s390 version for pte_alloc_one cannot return a pointer to a struct page. Trouble is that with the CONFIG_HIGHPTE feature on x86 pte_alloc_one cannot return a pointer to a pte either, since that would require more than 32 bit for the return value of pte_alloc_one (and the pte * would not be accessible since its not kmapped). Solution: The only solution I found to this dilemma is a new typedef: a pgtable_t. For s390 pgtable_t will be a (pte *) - to be introduced with a later patch. For everybody else it will be a (struct page *). The additional problem with the initialization of the ptl lock and the NR_PAGETABLE accounting is solved with a constructor pgtable_page_ctor and a destructor pgtable_page_dtor. The page table allocation and free functions need to call these two whenever a page table page is allocated or freed. pmd_populate will get a pgtable_t instead of a struct page pointer. To get the pgtable_t back from a pmd entry that has been installed with pmd_populate a new function pmd_pgtable is added. It replaces the pmd_page call in free_pte_range and apply_to_pte_range. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.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>
2008-02-07Add cmpxchg_local to ppcGunnar Larisch1-2/+49
Add a local processor version of cmpxchg for ppc. Implements __cmpxchg_u32_local and uses it for 32 bits cmpxchg_local. It uses the non NMI safe cmpxchg_local_generic for 1, 2 and 8 bytes cmpxchg_local. Signed-off-by: Gunnar Larisch <gl@denx.de> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Kumar Gala <galak@gate.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-05add mm argument to pte/pmd/pud/pgd_freeBenjamin Herrenschmidt1-5/+5
(with Martin Schwidefsky <schwidefsky@de.ibm.com>) The pgd/pud/pmd/pte page table allocation functions get a mm_struct pointer as first argument. The free functions do not get the mm_struct argument. This is 1) asymmetrical and 2) to do mm related page table allocations the mm argument is needed on the free function as well. [kamalesh@linux.vnet.ibm.com: i386 fix] [akpm@linux-foundation.org: coding-syle fixes] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-28[PPC] Remove 85xx from arch/ppcKumar Gala9-404/+4
85xx exists in arch/powerpc as well as cuImage support to boot from a u-boot that doesn't support device trees. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-01-28[PPC] Remove 83xx from arch/ppcKumar Gala4-114/+2
83xx exists in arch/powerpc as well as cuImage support to boot from a u-boot that doesn't support device trees. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-01-28[POWERPC] CPM: Rename commproc to cpm1 and cpm2_common.c to cpm2.cJochen Friedrich1-4/+4
Rename commproc.[ch] to cpm1.[ch] to be more consistent with cpm2. Also rename cpm2_common.c to cpm2.c as suggested by Scott Wood. Adjust the includes accordingly. Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-01-28[POWERPC] 8xx: Remove unused m8xx_cpm_hostalloc/free/dump()Jochen Friedrich1-4/+0
m8xx_cpm_hostalloc is still defined in commproc.c, but no users are left in the kernel tree. m8xx_cpm_hostfree and m8xx_cpm_hostdump are only defined in the headers. Remove this dead code. Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-01-21[POWERPC] Separate MPC52xx PSC FIFO registers from rest of PSCJohn Rigby1-0/+3
This is in preparation for the addition of MPC512x PSC support. The main difference in the 512x is in the fifo registers. Signed-off-by: John Rigby <jrigby@freescale.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2007-12-23[POWERPC] 4xx: Fix TLB 0 problem with CONFIG_SERIAL_TEXT_DEBUGStefan Roese1-0/+6
Right now TLB entry 0 ist used as UART0 mapping for the early debug output (via CONFIG_SERIAL_TEXT_DEBUG). This causes problems when many TLB's get used upon Linux bootup (e.g. while PCIe scanning behind bridges and/or switches on 440SPe platforms). This will overwrite the TLB 0 entry and further debug output's may crash/hang the system. This patch moves the early debug UART0 TLB entry from 0 to 62 as done in arch/powerpc. This way it is in the "pinned" area and will not get overwritten. Also the arch/ppc/mm/44x_mmu.c code is now synced with the newer code from arch/powerpc. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2007-12-23[POWERPC] Reworking machine check handling and Fix 440/440ABenjamin Herrenschmidt1-1/+1
This adds a cputable function pointer for the CPU-side machine check handling. The semantic is still the same as the old one, the one in ppc_md. overrides the one in cputable, though ultimately we'll want to change that so the CPU gets first. This removes CONFIG_440A which was a problem for multiplatform kernels and instead fixes up the IVOR at runtime from a setup_cpu function. The "A" version of the machine check also tweaks the regs->trap value to differenciate the 2 versions at the C level. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2007-12-20[POWERPC] include/asm-ppc/: Spelling fixesjoe@perches.com3-3/+3
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-10-23ppc: fix AT_VECTOR_SIZE on arch/ppcGrant Likely1-0/+1
Commit 4f9a58d75bfe82ab2b8ba5b8506dfb190a267834 ("increase AT_VECTOR_SIZE to terminate saved_auxv properly") changes the size of AT_VECTOR_SIZE from hard coded '44' to a calculation based on the value of AT_VECTOR_SIZE_ARCH and AT_VECTOR_SIZE_BASE. The change works for arch/powerpc, but it breaks arch/ppc because the needed AT_VECTOR_SIZE_ARCH is not present in include/asm-ppc/system.h and a default value of 0 is used instead. This results in AT_VECTOR_SIZE being too small and it causes a kernel crash on loading init. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19remove asm/bitops.h includesJiri Slaby1-1/+2
remove asm/bitops.h includes including asm/bitops directly may cause compile errors. don't include it and include linux/bitops instead. next patch will deny including asm header directly. Cc: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19Replace __attribute_pure__ with __pureRalf Baechle1-1/+1
To be consistent with the use of attributes in the rest of the kernel replace all use of __attribute_pure__ with __pure and delete the definition of __attribute_pure__. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Cc: Russell King <rmk@arm.linux.org.uk> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: Bryan Wu <bryan.wu@analog.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17Merge branch 'merge' of ↵Linus Torvalds1-2/+8
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (24 commits) [POWERPC] Fix vmemmap warning in init_64.c [POWERPC] Fix 64 bits vDSO DWARF info for CR register [POWERPC] Add 1TB workaround for PA6T [POWERPC] Enable NO_HZ and high res timers for pseries and ppc64 configs [POWERPC] Quieten cache information at boot [POWERPC] Quieten clockevent printk [POWERPC] Enable SLUB in *_defconfig [POWERPC] Fix 1TB segment detection [POWERPC] Fix iSeries_hpte_insert prototype [POWERPC] Fix copyright symbol [POWERPC] ibmebus: Move to of_device and of_platform_driver, match eHCA and eHEA drivers [POWERPC] ibmebus: Add device creation and bus probing based on of_device [POWERPC] ibmebus: Remove bus match/probe/remove functions [POWERPC] Move of_device allocation into of_device.[ch] [POWERPC] mpc52xx: device tree changes for FEC and MDIO [POWERPC] bestcomm: GenBD task support [POWERPC] bestcomm: FEC task support [POWERPC] bestcomm: ATA task support [POWERPC] bestcomm: core bestcomm support for Freescale MPC5200 [POWERPC] mpc52xx: Update mpc52xx_psc structure with B revision changes ...
2007-10-17Remove dma_cache_(wback|inv|wback_inv) functionsRalf Baechle1-17/+0
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>
2007-10-17cleanup floppy.hJan Beulich1-2/+0
AUTO_DMA and FLOPPY_MOTOR_MASK in include/asm-*/floppy.h are dead symbols - remove them. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17softlockup: make asm/irq_regs.h available on every platformIngo Molnar1-0/+1
The softlockup detector would like to use get_irq_regs(), so generalize the availability on every Linux architecture. (It is fine for an architecture to always return NULL to get_irq_regs(), which it does by default.) Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Ian Molton <spyro@f2s.com> Cc: Kumar Gala <galak@gate.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Mikael Starvik <starvik@axis.com> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17[POWERPC] mpc52xx: Update mpc52xx_psc structure with B revision changesSylvain Munaut1-2/+8
On the mpc5200b the ccr register is 32 bits wide while on the mpc5200 it's only 16 bits. It's up to the driver to use the correct format depending on the chip it's running on. The 5200b also offers some more registers & status in AC97 mode. Again, if not running on a 5200b the driver should not use those. Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2007-09-22[POWERPC] Prevent direct inclusion of <asm/rwsem.h>.Robert P. J. Day1-1/+1
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-17[POWERPC] Remove APUS support from arch/ppcAdrian Bunk8-337/+6
Current status of APUS: - arch/powerpc/: removed in 2.6.23 - arch/ppc/: marked BROKEN since 2 years This therefore removes the remaining parts of APUS support from arch/ppc, include/asm-ppc, arch/powerpc and include/asm-powerpc. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14[PPC] Add clrbits8 and setbits8.Scott Wood1-0/+3
These I/O accessors will be used in code under drivers/, which is expected to still work in arch/ppc. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-08-23[POWERPC] Copy over headers from arch/ppc to arch/powerpc that we needKumar Gala1-11/+0
To build arch/powerpc without including asm-ppc/ we need these files in asm-powerpc/ Moved some headers under arch/powerpc/platforms if they were only used by platform or driver files and fixed up the source file includes to match the new locations Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-08-17[POWERPC] Remove get_property and device_is_compatibleStephen Rothwell1-1/+0
They were only needed for backwards compatibility and all in tree uses have now been changed. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-07-25[WATCHDOG] mv64x60_wdt: Add arch/powerpc platform supportDale Farnsworth1-8/+0
Add support for arch/powerpc, specifically for the prpmc2800 platform. Signed-off-by: Dale Farnsworth <dale@farnsworth.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2007-07-24[WATCHDOG] mv64x60_wdt: set up platform_device in platform codeDale Farnsworth1-1/+1
The driver previously registered its platform device data in its own init function--that's bogus. Move that code to platform-specific code in arch/ppc. This is being done so that the platform code can decide at runtime whether to initialize this driver or not. Signed-off-by: Dale Farnsworth <dale@farnsworth.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2007-07-22[POWERPC] Fix ARCH=ppc buildsJosh Boyer1-0/+1
The recent signal rework broke ARCH=ppc builds with the following error: CC arch/powerpc/kernel/signal.o arch/powerpc/kernel/signal.c: In function ‘do_signal’: arch/powerpc/kernel/signal.c:142: error: implicit declaration of function ‘set_dabr’ make[1]: *** [arch/powerpc/kernel/signal.o] Error 1 This fixes it by including a function prototype in asm-ppc/system.h. Acked-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-07-19[PATCH] sched: sched_cacheflush is now unusedRalf Baechle1-10/+0
Since Ingo's recent scheduler rewrite which was merged as commit 0437e109e1841607f2988891eaa36c531c6aa6ac sched_cacheflush is unused. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-17mm: remove ptep_test_and_clear_dirty and ptep_clear_flush_dirtyMartin Schwidefsky1-7/+0
Nobody is using ptep_test_and_clear_dirty and ptep_clear_flush_dirty. Remove the functions from all architectures. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16page table handling cleanupJan Beulich1-10/+0
Kill pte_rdprotect(), pte_exprotect(), pte_mkread(), pte_mkexec(), pte_read(), pte_exec(), and pte_user() except where arch-specific code is making use of them. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-12PCI: remove pci_dac_dma_... APIsJan Beulich1-6/+0
Based on replies to a respective query, remove the pci_dac_dma_...() APIs (except for pci_dac_dma_supported() on Alpha, where this function is used in non-DAC PCI DMA code). Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Andi Kleen <ak@suse.de> Cc: Jesse Barnes <jesse.barnes@intel.com> Cc: Christoph Hellwig <hch@infradead.org> Acked-by: David Miller <davem@davemloft.net> Cc: Jeff Garzik <jeff@garzik.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-07-12PCI: Use a weak symbol for the empty version of pcibios_add_platform_entries()Michael Ellerman1-2/+0
I'm not sure if this is going to fly, weak symbols work on the compilers I'm using, but whether they work for all of the affected architectures I can't say. I've cc'ed as many arch maintainers/lists as I could find. But assuming they do, we can use a weak empty definition of pcibios_add_platform_entries() to avoid having an empty definition on every arch. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-17Rework ptep_set_access_flags and fix sun4cBenjamin Herrenschmidt1-4/+8
Some changes done a while ago to avoid pounding on ptep_set_access_flags and update_mmu_cache in some race situations break sun4c which requires update_mmu_cache() to always be called on minor faults. This patch reworks ptep_set_access_flags() semantics, implementations and callers so that it's now responsible for returning whether an update is necessary or not (basically whether the PTE actually changed). This allow fixing the sparc implementation to always return 1 on sun4c. [akpm@linux-foundation.org: fixes, cleanups] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Hugh Dickins <hugh@veritas.com> Cc: David Miller <davem@davemloft.net> Cc: Mark Fortescue <mark@mtfhpc.demon.co.uk> Acked-by: William Lee Irwin III <wli@holomorphy.com> 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>
2007-05-10Merge branch 'linux-2.6'Paul Mackerras1-1/+1
2007-05-10[POWERPC] User rheap from arch/powerpc/libKumar Gala1-89/+0
Removed rheap in arch/ppc/lib and changed build system to use the one in arch/powerpc/lib. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-05-10[POWERPC] Change rheap functions to use ulongs instead of pointersTimur Tabi3-28/+18
The rheap allocation functions return a pointer, but the actual value is based on how the heap was initialized, and so it can be anything, e.g. an offset into a buffer. A ulong is a better representation of the value returned by the allocation functions. This patch changes all of the relevant rheap functions to use a unsigned long integers instead of a pointer. In case of an error, the value returned is a negative error code that has been cast to an unsigned long. The caller can use the IS_ERR_VALUE() macro to check for this. All code which calls the rheap functions is updated accordingly. Macros IS_MURAM_ERR() and IS_DPERR(), have been deleted in favor of IS_ERR_VALUE(). Also added error checking to rh_attach_region(). Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-05-09include files: convert "include" subdirectory to UTF-8John Anthony Kazos Jr1-1/+1
Convert the "include" subdirectory to UTF-8. Signed-off-by: John Anthony Kazos Jr. <jakj@j-a-k-j.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2007-05-08Remove tas()Jeff Dike1-1/+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>
2007-05-08atomic.h: atomic_add_unless as inline. Remove system.h atomic.h circular ↵Mathieu Desnoyers1-1/+0
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>
2007-05-08Clean up mostly unused IOSPACE macrosDavid Gibson1-4/+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>
2007-05-08move die notifier handling to common codeChristoph Hellwig1-0/+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>
2007-05-02[PATCH] x86: PARAVIRT: add hooks to intercept mm creation and destructionJeremy Fitzhardinge1-0/+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>
2007-04-30[POWERPC] Stop using ppc_sys for Xilinx Virtex boardsGrant Likely1-2/+0
The arch/ppc/syslib/ppc_sys.c infrastructure does not work well for the virtex ports. Move the ml300 and ml403 board ports over to use the new virtex_devices infrastructure. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Paul Mackerras <paulus@samba.org>