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* [PATCH] inode-diet: Eliminate i_blksize from the inode structureTheodore Ts'o2006-09-27
| | | | | | | | | | | | | | | | This eliminates the i_blksize field from struct inode. Filesystems that want to provide a per-inode st_blksize can do so by providing their own getattr routine instead of using the generic_fillattr() function. Note that some filesystems were providing pretty much random (and incorrect) values for i_blksize. [bunk@stusta.de: cleanup] [akpm@osdl.org: generic_fillattr() fix] Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] inode_diet: Replace inode.u.generic_ip with inode.i_privateTheodore Ts'o2006-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | The following patches reduce the size of the VFS inode structure by 28 bytes on a UP x86. (It would be more on an x86_64 system). This is a 10% reduction in the inode size on a UP kernel that is configured in a production mode (i.e., with no spinlock or other debugging functions enabled; if you want to save memory taken up by in-core inodes, the first thing you should do is disable the debugging options; they are responsible for a huge amount of bloat in the VFS inode structure). This patch: The filesystem or device-specific pointer in the inode is inside a union, which is pretty pointless given that all 30+ users of this field have been using the void pointer. Get rid of the union and rename it to i_private, with a comment to explain who is allowed to use the void pointer. This is just a cleanup, but it allows us to reuse the union 'u' for something something where the union will actually be used. [judith@osdl.org: powerpc build fix] Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Judith Lebzelter <judith@osdl.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: fix allocation sizeJeff Dike2006-09-27
| | | | | | | | | | | Fix an instance of ptr=alloc(sizeof(ptr)). Grepping showed no more instances of this pattern. Also fixed the formatting in the area. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: fix sleep length bugJeff Dike2006-09-27
| | | | | | | | | um_timer shouldn't add local_offset to the host time since get_time already did it. This threw off sleep when a settimeofday or equivalent had happened. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: add an exportJeff Dike2006-09-27
| | | | | | | | Some modules need strnlen_user_skas. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: file renamingJeff Dike2006-09-27
| | | | | | | | | | | Move some foo_kern.c files to foo.c now that the old foo.c files are out of the way. Also cleaned up some whitespace and an emacs formatting comment. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: thread creation tidyingJeff Dike2006-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fork on UML has always somewhat subtle. The underlying cause has been the need to initialize a stack for the new process. The only portable way to initialize a new stack is to set it as the alternate signal stack and take a signal. The signal handler does whatever initialization is needed and jumps back to the original stack, where the fork processing is finished. The basic context switching mechanism is a jmp_buf for each process. You switch to a new process by longjmping to its jmp_buf. Now that UML has its own implementation of setjmp and longjmp, and I can poke around inside a jmp_buf without fear that libc will change the structure, a much simpler mechanism is possible. The jmpbuf can simply be initialized by hand. This eliminates - the need to set up and remove the alternate signal stack sending and handling a signal the signal blocking needed around the stack switching, since there is no stack switching setting up the jmp_buf needed to jump back to the original stack after the new one is set up In addition, since jmp_buf is now defined by UML, and not by libc, it can be embedded in the thread struct. This makes it unnecessary to have it exist on the stack, where it used to be. It also simplifies interfaces, since the switch jmp_buf used to be a void * inside the thread struct, and functions which took it as an argument needed to define a jmp_buf variable and assign it from the void *. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: mark some tt-mode codeJeff Dike2006-09-27
| | | | | | | | | | | Mark a symbol and file as being tt-mode only. This shrinks the binary slightly when tt mode support is compiled out and makes it easier to identity stuff when tt mode is removed. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: use correct SIGBUS handlerJeff Dike2006-09-27
| | | | | | | | | BB noticed that we had the wrong bus error handler. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: fix gcov supportJeff Dike2006-09-27
| | | | | | | | | | Make __bb_init_func weak in order to avoid a link failure with some libcs and/or gccs. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: fix missing x86_64 register definitionsJeff Dike2006-09-27
| | | | | | | | | | | | | The UML/x86_64 headers were missing ptrace support for some segment registers. The underlying problem was that the x86_64 kernel uses user_regs_struct rather than the ptrace register definitions in ptrace. This patch switches UML/x86_64 to using user_regs_struct for its definitions of the host's registers. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: get rid of ZONE_DMA useJeff Dike2006-09-27
| | | | | | | | | | | | | | ZONE_DMA might become dependent on CONFIG_ZONE_DMA, which UML doesn't define (we're still arguing about this) So, let's change ZONE_DMA to ZONE_NORMAL. This is prompted by optional-zone_dma-in-the-vm.patch, but should be harmless on its own. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Christoph Lameter <clameter@engr.sgi.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: const more dataJeff Dike2006-09-27
| | | | | | | | | | Make lots of structures const in order to make it obvious that they need no locking. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: fix proc-vs-interrupt context spinlock deadlockPaolo 'Blaisorblade' Giarrusso2006-09-27
| | | | | | | | | | | | | | | | | | | | | This spinlock can be taken on interrupt too, so spin_lock_irq[save] must be used. However, Documentation/networking/netdevices.txt explains we are called with rtnl_lock() held - so we don't need to care about other concurrent opens. Verified also in LDD3 and by direct checking. Also verified that the network layer (through a state machine) guarantees us that nobody will close the interface while it's being used. Please correct me if I'm wrong. Also, we must check we don't sleep with irqs disabled!!! But anyway, this is not news - we already can't sleep while holding a spinlock. Who says this is guaranted really by the present code? Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: use -mcmodel=kernel for x86_64Paolo 'Blaisorblade' Giarrusso2006-09-27
| | | | | | | | | | | We have never used this flag and recently one user experienced a complaining warning about this (there was a symbol in the positive half of the address space IIRC). So fix it. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] AVR32: Use unsigned long flags for saving interrupt stateHaavard Skinnemoen2006-09-27
| | | | | | Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Allow an arch to expand node boundariesMel Gorman2006-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | Arch-independent zone-sizing determines the size of a node (pgdat->node_spanned_pages) based on the physical memory that was registered by the architecture. However, when CONFIG_MEMORY_HOTPLUG_RESERVE is set, the architecture expects that the spanned_pages will be much larger and that mem_map will be allocated that is used lated on memory hot-add. This patch allows an architecture that sets CONFIG_MEMORY_HOTPLUG_RESERVE to call push_node_boundaries() which will set the node beginning and end to at *least* the requested boundary. Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <ak@muc.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Keith Mannthey" <kmannth@gmail.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Account for holes that are outside the range of physical memoryMel Gorman2006-09-27
| | | | | | | | | | | | | | | | | | | absent_pages_in_range() made the assumption that users of the API would not care about holes beyound the end of physical memory. This was not the case. This patch will account for ranges outside of physical memory as holes correctly. Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <ak@muc.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Keith Mannthey" <kmannth@gmail.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Account for memmap and optionally the kernel image as holesMel Gorman2006-09-27
| | | | | | | | | | | | | | | | | | | | | The x86_64 code accounted for memmap and some portions of the the DMA zone as holes. This was because those areas would never be reclaimed and accounting for them as memory affects min watermarks. This patch will account for the memmap as a memory hole. Architectures may optionally use set_dma_reserve() if they wish to account for a portion of memory in ZONE_DMA as a hole. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <ak@muc.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Keith Mannthey" <kmannth@gmail.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Have ia64 use add_active_range() and free_area_init_nodesMel Gorman2006-09-27
| | | | | | | | | | | | | | | | | | | | Size zones and holes in an architecture independent manner for ia64. [bob.picco@hp.com: fix ia64 FLATMEM+VIRTUAL_MEM_MAP] Signed-off-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Bob Picco <bob.picco@hp.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <ak@muc.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Keith Mannthey" <kmannth@gmail.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Have x86_64 use add_active_range() and free_area_init_nodesMel Gorman2006-09-27
| | | | | | | | | | | | | | | | | Size zones and holes in an architecture independent manner for x86_64. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <ak@muc.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Keith Mannthey" <kmannth@gmail.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Have x86 use add_active_range() and free_area_init_nodesMel Gorman2006-09-27
| | | | | | | | | | | | | | | | | | Size zones and holes in an architecture independent manner for x86. [akpm@osdl.org: build fix] Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <ak@muc.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Keith Mannthey" <kmannth@gmail.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Have Power use add_active_range() and free_area_init_nodes()Mel Gorman2006-09-27
| | | | | | | | | | | | | | | | | | Size zones and holes in an architecture independent manner for Power. [judith@osdl.org: build fix] Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <ak@muc.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Keith Mannthey" <kmannth@gmail.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fix "cpu to node relationship fixup: map cpu to node"KAMEZAWA Hiroyuki2006-09-27
| | | | | | | | | | | Fix build error introduced by 3212fe1594e577463bc8601d28aa008f520c3377 Non-NUMA case should be handled. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds2006-09-27
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (28 commits) pciehp - fix wrong return value IA64: PCI: dont disable irq which is not enabled acpiphp: add support for ioapic hot-remove PCI: assign ioapic resource at hotplug acpiphp: disable bridges acpiphp: stop bus device before acpi_bus_trim PCI: add pci_stop_bus_device acpiphp: do not initialize existing ioapics acpiphp: initialize ioapics before starting devices acpiphp: set hpp values before starting devices PCI Hotplug: cleanup pcihp skeleton code. PCI: Restore PCI Express capability registers after PM event PCI: drivers/pci/hotplug/acpiphp_glue.c: make a function static PCI: Multiprobe sanitizer PCI: fix __must_check warnings PCI Hotplug: fix __must_check warnings SHPCHP: fix __must_check warnings PCI-Express AER implemetation: pcie_portdrv error handler PCI-Express AER implemetation: AER core and aerdriver PCI-Express AER implemetation: export pcie_port_bus_type ...
| * IA64: PCI: dont disable irq which is not enabledSatoru Takeuchi2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch prevents pcibios_disable_device() from disabling interrupts of devices which is not enabled. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com> Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * MSI: Rename PCI_CAP_ID_HT_IRQCONF into PCI_CAP_ID_HTBrice Goglin2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | 0x08 is the HT capability, while PCI_CAP_ID_HT_IRQCONF would be the subtype 0x80 that mpic_scan_ht_pic() uses. Rename PCI_CAP_ID_HT_IRQCONF into PCI_CAP_ID_HT. And by the way, use it in the ipath driver instead of defining its own HT_CAPABILITY_ID. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [MIPS] setup.c: use early_param() for early command line parsingFranck Bui-Huu2006-09-27
| | | | | | | | | | | | | | | | | | | | There's no point to rewrite some logic to parse command line to pass initrd parameters or to declare a user memory area. We could use instead parse_early_param() that does the same thing. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] setup.c: remove MAXMEM macroFranck Bui-Huu2006-09-27
| | | | | | | | | | | | | | It doesn't improve readability. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] setup.c: do not inline functionsFranck Bui-Huu2006-09-27
| | | | | | | | | | | | | | | | There's no point to inline any functions in setup.c. Let's GCC doing its job, it's good enough for that now. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] setup.c: remove useless includes.Franck Bui-Huu2006-09-27
| | | | | | | | | | Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] setup.c: move initrd code inside dedicated functionsFranck Bui-Huu2006-09-27
| | | | | | | | | | | | | | NUMA specific code could rely on them too. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] setup.c: cleanup bootmem_init()Franck Bui-Huu2006-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This function although doing simple thing is hard to follow. It's mainly due to: - a lot of #ifdef - bad local names - redundant tests So this patch try to address these issues. It also do not use max_pfn global which is marked as an unused exported symbol. As a bonus side, it's now really easy to see what part of the code is for no-numa system. There's also no point to make this function inline. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] get_wchan(): remove uses of mfinfo[64]Franck Bui-Huu2006-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This array was used to 'cache' some frame info about scheduler functions to speed up get_wchan(). This array was 1Ko size and was only used when CONFIG_KALLSYMS was set but declared for all configs. Rather than make the array statement conditional, this patches removes this array and its uses. Indeed the common case doesn't seem to use this array and get_wchan() is not a critical path anyways. It results in a smaller bss and a smaller/cleaner code: text data bss dec hex filename 2543808 254148 139296 2937252 2cd1a4 vmlinux-new-get-wchan 2544080 254148 143392 2941620 2ce2b4 vmlinux~old Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] get_frame_info(): null function size means size is unknownFranck Bui-Huu2006-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds 2 sanity checks. The first one test that the start address of the function to analyze has been set by the caller. If not return an error since nothing usefull can be done without. The second one checks that the function's size has been set. A null size can happen if CONFIG_KALLSYMS is not set and it means that we don't know the size of the function to analyze. In this case, we make it equal to 128 instructions by default. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] unwind_stack(): return ra if an exception occured at the first ↵Franck Bui-Huu2006-09-27
| | | | | | | | | | | | | | instruction Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] Enable tmpfs for anything that possibly runs a full distribution.Ralf Baechle2006-09-27
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] The o32 fstatat syscall behaves differently on 32 and 64 bit kernelsRichard Sandiford2006-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While working on a glibc patch to support the fstatat() functions[1], I noticed that the o32 implementation behaves differently on 32-bit and 64-bit kernels; the former provides a stat64 while the latter provides a plain (o32) stat. I think the former is what's intended, as there is no separate fstatat64. It's also what x86 does. I think this is just a case of a compat too far. [1] I've seen Khem's patch, but I don't think it's right. Signed-off-by: Richard Sandiford <richard@codesourcery.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] Remove EV96100 as previously announced.Ralf Baechle2006-09-27
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] Replace BARRIER with more appropriate hazard barrier.Ralf Baechle2006-09-27
| | | | | | | | | | | | This is the unchanged part 2 of Chris' hazard cleanup. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] IP27: Delete useless declaration of allocate_irqno().Ralf Baechle2006-09-27
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] Add configuration variables for RM9xxx processorthomas@koeller.dyndns.org2006-09-27
| | | | | | | | | | | | | | | | | | This patch introduces a number of configuration variables. These allow to specify presence/absence of integrated peripherals found on the MIPS RM9xxx processor family, based on the particular processor model used. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] Move excite_fpga.h to include/asm-mips/mach-excitethomas@koeller.dyndns.org2006-09-27
| | | | | | | | | | | | | | | | excite_fpga.h, like all platform headers, really belongs in the platform header directory. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] Suppress compiler warningsthomas@koeller.dyndns.org2006-09-27
| | | | | | | | | | | | | | | | | | | | | | The excite platform exports hardware resources for device drivers to use. Any driver wanting to use these resources will look up them by their names. Since these resources are declared to have static linkage, but are not used in the source file defining them, the compiler used to emit an 'unused' warning, which this patch suppresses. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] Move definition of IRIX compat constant into IRIX compat code.Ralf Baechle2006-09-27
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] c-r4k: Convert init functions from inline to __init.Ralf Baechle2006-09-27
| | | | | | | | | | | | | | | | With more recent compilers inline doesn't necessarily means a function will always be inlined. So leave that decission to the compiler and make the function as __init. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] TLS: set_thread_area returns asmlinkage int not void.Ralf Baechle2006-09-27
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] TLS: Delete unused sys32_set_thread_areaRalf Baechle2006-09-27
| | | | | | | | | | | | There is no need for a compat version. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] Make PROT_WRITE imply PROT_READ.Ralf Baechle2006-09-27
| |
* | [MIPS] Atlas: update interrupt handlingMaciej W. Rozycki2006-09-27
| | | | | | | | | | | | | | | | The following change updates the Atlas interrupt handling to match that of Malta. Tested with a 5Kc and a 34Kf successfully. Signed-off-by: Maciej W. Rozycki <macro@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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