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2008-04-24[POWERPC] bootwrapper: fix build error on virtex405-head.SGrant Likely
virtex405-head.S is an assembler file, not a C file; therefore BOOTAFLAGS is the correct place to set the needed -mcpu=405 flag. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-04-24[POWERPC] 4xx: Fix 460GT support to not enable FPUStefan Roese
The AMCC 460GT doesn't have an FPU so let's not enable support for it. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-04-24[POWERPC] 4xx: Add NOR FLASH entries to Canyonlands and Glacier dtsStefan Roese
This patch adds default NOR entries to the AMCC Canyonlands (460EX) and Glacier (460GT) dts files. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-04-24[POWERPC] Xilinx: boot support for Xilinx uart 16550.John Linn
The Xilinx 16550 uart core is not a standard 16550 because it uses word-based addressing rather than byte-based adressing. With additional properties it is compatible with the open firmware 'ns16550' compatible binding. This code updates the ns16550 driver to use the reg-offset property so that the Xilinx UART 16550 can be used with it. The reg-shift was already being handled. Signed-off-by: John Linn <john.linn@xilinx.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-04-24Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (85 commits) Blackfin char driver for Blackfin on-chip OTP memory (v3) Blackfin Serial Driver: fix bug - use mod_timer to replace only add_timer. Blackfin Serial Driver: the uart break anomaly has been given its own number, so switch to it Blackfin Serial Driver: use BFIN_UART_NR_PORTS to help SIR driver in uart port. Blackfin Serial Driver: Fix bug - kernel hangs when accessing uart 0 on bf537 when booting u-boot and linux on uart 1 Blackfin Serial Driver: punt unused lsr variable Blackfin Serial Driver: Enable IR function when user application (irattach /dev/ttyBFx -s) call TIOCSETD ioctl with line discipline N_IRDA [Blackfin] arch: add include/boot .gitignore files [Blackfin] arch: Functional power management support: Add support for cpu frequency scaling [Blackfin] arch: Functional power management support: Remove broken cpu frequency scaling drivers [Blackfin] arch: Equalize include files: Add PLL_DIV Masks [Blackfin] arch: Add a warning about the value of CLKIN. [Blackfin] arch: take DDR DEVWD into consideration as well for BF548 [Blackfin] arch: Remove the circular buffering mechanism for exceptions [Blackfin] arch: lose unnecessary dependency on CONFIG_BFIN_ICACHE for MPU [Blackfin] arch: fix bug - before assign new channel to the map register, need clear the bits first. [Blackfin] arch: add Blackfin on-chip SIR IrDA driver support [Blackfin] arch: BF54x memsizes are in mbits, not mbytes [Blackfin] arch: try to remove condition that causes double fault, by checking current before it gets dereferenced [Blackfin] arch: Update anomaly list. ...
2008-04-24Merge branch 'irq-fixes-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6 * 'irq-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6: arm/mach-integrator/time.c, mwave: revert portions of recent irq cleanups
2008-04-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: (23 commits) sparc: sunzilog uart order [SPARC64]: Detect trap frames in stack backtraces. [SPARC64]: %l6 trap return handling no longer necessary. [SPARC64]: Use trap type stored in pt_regs to handle syscall restart. [SPARC64]: Store magic cookie and trap type in pt_regs. [SPARC64]: PROM debug console can be CON_ANYTIME. sparc64: cleanup after SunOS/Solaris binary emulation removal sparc: cleanup after SunOS binary emulation removal [SPARC64]: Add NUMA support. [SPARC64]: Allocate TSB node-local. [SPARC64]: NUMA device infrastructure. [SPARC64]: Kill pci_iommu_table_init() declaration. [SPARC64]: Once we have the boot cmdline, call parse_early_param() [SPARC64]: Remove unused asm-sparc64/numnodes.h [SPARC64]: Decrease SECTION_SIZE_BITS to 30. [SPARC64]: Initialize MDESC earlier and use lmb_alloc() [SPARC64]: Use lmb_alloc() for PROM device tree. [SPARC64]: Call real_setup_per_cpu_areas() earlier and use lmb_alloc(). [SPARC64]: Fully use LMB information in bootmem_init(). [SPARC64]: Start using LMB information in bootmem_init(). ...
2008-04-24Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] fix 48d7927bdf071d05cf5d15b816cf06b0937cb84f [ARM] 5010/1: htc-pasic3: remove unused defines and includes [ARM] pxa: fix 0e623941bec7e80c97b076d346327b31ae17d84a [ARM] fix lh7a40x/kev7a400 build
2008-04-24alpha: unbreak OSF/1 (a.out) binariesIvan Kokshaysky
OSF/1 brk(2) was broken by following one-liner in sys_brk() (commit 4cc6028d4040f95cdb590a87db478b42b8be0508): - if (brk < mm->end_code) + if (brk < mm->start_brk) goto out; The problem is that osf_set_program_attributes() does update mm->end_code, but not mm->start_brk, which still contains inappropriate value left from binary loader, so brk() always fails. Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-24alpha: fix legacy mode PCI IDE controllersIvan Kokshaysky
Legacy IDE resources were never properly allocated on most alpha platforms, so IDE expectedly stopped working after commit 10f000a2fd805e8ccfe988e8615545467bb7f7df (generic pci_enable_resources). Always allocate "fixed" PCI resources before doing anything else; remove Cypress IDE quirk, as it's a generic problem which is handled in common PCI probe code. Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-24arm/mach-integrator/time.c, mwave: revert portions of recent irq cleanupsJeff Garzik
The recent irq cleanups for arch/arm/mach-integrator/time.c and drivers/char/mwave/tp3780i.c changed the request_irq() dev_id parameter, but neglected to change the matching free_irq() parameter, thus creating a bug upon irq de-registration. Given that the impetus for the changes is not yet accepted upstream, it is best to revert the irq cleanups. Mostly. A comment is added to time.c to reduce future confusion, of type that led to my time.c cleanup in the first place. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-04-24[POWERPC] celleb: Add support for PCI ExpressIshizaki Kou
This adds support for PCI Express port on Celleb. I/O space of this PCI Express port is not mapped in memory space. So we use the io-workaround mechanism to make accesses indirect. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] celleb: Move miscellaneous files for BeatIshizaki Kou
This moves miscellaneous files for Beat into platforms/cell/. All files in this patch are used by celleb-beat only. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] celleb: Move a file for SPU on BeatIshizaki Kou
This moves SPU support code on Beat into platforms/cell/. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] celleb: Move files for Beat mmu and iommuIshizaki Kou
This moves files for mmu and iommu on Beat into platforms/cell/. All files in this patch are used by celleb-beat only. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] celleb: Move files for Beat hvcall interfacesIshizaki Kou
This moves files for Beat hvcall interfaces into platforms/cell/. All files in this patch are used by celleb-beat only. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] celleb: Move the SCC related code for cellebIshizaki Kou
This moves the SCC (Super Companion Chip) related code for celleb into platforms/cell/. All files in this patch are used by celleb-beat and celleb-native commonly. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] celleb: Move the files for celleb base supportIshizaki Kou
This moves the base code for celleb support into platforms/cell/. All files in this patch are used by celleb-beat and celleb-native commonly. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] celleb: Consolidate io-workarounds codeIshizaki Kou
Now, we can use generic io-workarounds mechanism and the workaround code for spider-pci. This changes Celleb PCI code to use spider-pci code. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] cell: Generalize io-workarounds codeIshizaki Kou
This splits cell io-workaround code into spider-pci dependent code and a generic part, and also moves io-workarounds initialization into cell_setup_phb. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Add CONFIG_PPC_PSERIES_DEBUG to enable debugging for platforms/pseriesMichael Ellerman
Add a DEBUG config setting which turns on all (most) of the debugging under platforms/pseries. To have this take effect we need to remove all the #undef DEBUG's, in various files. We leave the #undef DEBUG in platforms/pseries/lpar.c, as this enables debugging printks from the low-level hash table routines, and tends to make your system unusable. If you want those enabled you still have to turn them on by hand. Also some of the RAS code has a DEBUG block which causes a functional change, so I've keyed this off a different (non-existant) debug #define. This is only enabled if you have PPC_EARLY_DEBUG enabled also. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Convert from DBG() to pr_debug() in platforms/pseries/Michael Ellerman
In pseries/lpar.c, fix some printf specifier mismatches, and add a newline to one printk. In pseries/rtasd.c add "rtasd" to some messages to make it clear where they're coming from. In pseries/scanlog.c remove the hand-rolled runtime debugging support in there. This file has been largely unchanged for eons, if we need to debug it in future we can recompile. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Register udbg console early on pseries LPARMichael Ellerman
On pseries LPAR we can call the udbg routines, and the udbg console very early. So mark the udbg console as safe to call early in boot, and register the udbg console as soon as the udbg routines are hooked up. This allows platforms/pseries code to use printk() and pr_debug() rather than needing to call udbg_printf() directly for early debugging. This is nice because a) it's standard, b) it goes via the printk buffer, and c) you can get printk time stamps. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Mark udbg console as CON_ANYTIME, ie. callable early in bootMichael Ellerman
The udbg console should be safe to call basically at any time after boot. It does not need any per-cpu resources or for the cpu to be online, as long as there is a udbg_putc routine hooked up it should work. So mark it as CON_ANYTIME. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Set udbg_console index to 0Michael Ellerman
Because the udbg_console has CON_ENABLED set, it's possible that when we register it with the console code the index won't be set. This leads to slightly confusing boot messages like: [ 0.000000] console [udbg-1] enabled We could remove CON_ENABLED, but we don't want to do that, we always want the udbg console to be activated, even if the user specified some other console on the command line. The simplest fix seems to be just to set the index to 0 by hand. There is no issue with duplicate udbg consoles, as we guard against registering multiple times in register_early_udbg_console(). Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Raise the upper limit of NR_CPUS and move the pacas into the BSSTony Breeds
This adds the required functionality to fill in all pacas at runtime. With NR_CPUS=1024 text data bss dec hex filename 137 1704032 0 1704169 1a00e9 arch/powerpc/kernel/paca.o :Before 121 1179744 524288 1704153 1a00d9 arch/powerpc/kernel/paca.o :After Also remove unneeded #includes from arch/powerpc/kernel/paca.c Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Make iSeries spin on __secondary_hold_spinloop, like pSeriesTony Breeds
Currently all iSeries secondary CPUs spin directly on the cpu_start field in their paca. Make them spin on the global __secondary_hold_spinloop until after the pacas have been initialised. As Stephen Rothwell points out, this works at the moment because __secondary_hold_spinloop is being set already, but iSeries isn't looking at it :) Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Acked-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Clean up misc_64.SKumar Gala
* Removed get_msr(), get_srr0(), and get_srr1() - not used anywhere * Use STACK_FRAME_OVERHEAD instead of magic number Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Use of_get_next_parent() in platforms/cell/axon_msi.cMichael Ellerman
Replace two open-coded occurences of the of_get_next_parent() logic. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Discourage people from fiddling with kernel data from prom_initMichael Ellerman
As BenH said the other day, it is an "accident" that prom_init.o is linked with the rest of the kernel. The truth is a little more subtle, prom_init isn't truly bootloader, it does access kernel data in a few places. What we can do is discourage people from adding new code that accesses data outside of prom_init. And hence this patch; from the script: # This script checks prom_init.o to see what external symbols it # is using, if it finds symbols not in the whitelist it returns # an error. The point of this is to discourage people from # intentionally or accidentally adding new code to prom_init.c # which has side effects on other parts of the kernel. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Cleanup asm-offsets.cKumar Gala
* Removed TI_EXECDOMAIN define as its not used anywhere * Use STACK_INT_FRAME_SIZE to allow common define of INT_FRAME_SIZE * Define TI_CPU on both ppc32 & ppc64 (removes an ifdef). Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Clean up access to thread_info in assemblyKumar Gala
Use (31-THREAD_SHIFT) to get to thread_info from stack pointer. This makes the code a bit easier to read and more robust if we ever change THREAD_SHIFT. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Fix new warnings arising from stacktrace patchChristoph Hellwig
Remove the inclusion of asm-offsets.h from stacktrace.c. It isn't supposed to be included in C code and it causes problems with multiple definitions of things. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Port fixmap from x86 and use for kmap_atomicKumar Gala
The fixmap code from x86 allows us to have compile time virtual addresses that we change the physical addresses of at run time. This is useful for applications like kmap_atomic, PCI config that is done via direct memory map, kexec/kdump. We got ride of CONFIG_HIGHMEM_START as we can now determine a more optimal location for PKMAP_BASE based on where the fixmap addresses start and working back from there. Additionally, the kmap code in asm-powerpc/highmem.h always had debug enabled. Moved to using CONFIG_DEBUG_HIGHMEM to determine if we should have the extra debug checking. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] 85xx: Add support for relocatable kernel (and booting at non-zero)Kumar Gala
Added support to allow an 85xx kernel to be run from a non-zero physical address (useful for cooperative asymmetric multiprocessing situations and kdump). The support can be configured at compile time by setting CONFIG_PAGE_OFFSET, CONFIG_KERNEL_START, and CONFIG_PHYSICAL_START as desired. Alternatively, the kernel build can set CONFIG_RELOCATABLE. Setting this config option causes the kernel to determine at runtime the physical addresses of CONFIG_PAGE_OFFSET and CONFIG_KERNEL_START. If CONFIG_RELOCATABLE is set, then CONFIG_PHYSICAL_START has no meaning. However, CONFIG_PHYSICAL_START will always be used to set the LOAD program header physical address field in the resulting ELF image. Currently we are limited to running at a physical address that is a multiple of 256M. This is due to how we map TLBs to cover lowmem. This should be fixed to allow 64M or maybe even 16M alignment in the future. It is considered an error to try and run a kernel at a non-aligned physical address. All the magic for this support is accomplished by proper initialization of the kernel memory subsystem and use of ARCH_PFN_OFFSET. The use of ARCH_PFN_OFFSET only affects normal memory and not IO mappings. ioremap uses map_page and isn't affected by ARCH_PFN_OFFSET. /dev/mem continues to allow access to any physical address in the system regardless of how CONFIG_PHYSICAL_START is set. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Add strncmp to arch/ppcJosh Boyer
Commit 0119536cd314ef95553604208c25bc35581f7f0a added an assembly version of strncmp to PowerPC. However, it changed a common header file between arch/ppc and arch/powerpc without adding strncmp to arch/ppc. This fixes that omission so that arch/ppc links again. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Fix mv64x60 early console code to use cell-index propertyRemi Machet
The MPSC driver and prpmc2800.dts have been modified to use property 'cell-index' as the serial port number, but the early serial console driver for the mv64x60 has not been modified to use this new property. This fixes it. Signed-off-by: Remi Machet (rmachet@slac.stanford.edu) Acked-by: Dale Farnsworth <dale@farnsworth.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Initialize all mv64x60 devices even if one failsRemi Machet
If one of the devices of the mv64x60 init fails, the remaining devices are not initialized. This changes the code to display an error and continue the initialization. Signed-off-by: Remi Machet (rmachet@slac.stanford.edu) Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Use default values if necessary in mv64x60 I2C initializationRemi Machet
I2C parameters freq_m and freq_n are assigned defaults in the code, but if properties for those parameters are not found in the open firmware description the init routine returns an error and doesn't create the platform device. This changes the code so that it doesn't return an error if the properties are not found but instead uses the default values. Signed-off-by: Remi Machet (rmachet@slac.stanford.edu) Acked-by: Dale Farnsworth <dale@farnsworth.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Fix kernel stack allocation alignmentBenjamin Herrenschmidt
The powerpc kernel stacks need to be naturally aligned, as they contain the thread info at the bottom, which is obtained by clearing the low bits of the stack pointer. However, when using 64K pages, the stack is smaller than a page, so we use kmalloc to allocate it, but that doesn't provide the alignment guarantee we need. It appeared to work so far... until one enables SLUB debugging which then returns unaligned pointers. Ooops... This fixes it by using a slab cache with enforced alignment. It relies on my previous patch that adds a thread_info_cache_init() callback. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Add include of linux/of.h to os-area.cMichael Ellerman
os-area.c requires routines declared in linux/of.h, so should include it. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24[POWERPC] Add include of linux/of.h to numa.cMichael Ellerman
numa.c requires routines declared in linux/of.h, so should include it. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-24Merge branch 'powerpc-next' of ↵Paul Mackerras
master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
2008-04-24[SPARC64]: Detect trap frames in stack backtraces.David S. Miller
Now that we have a magic cookie in the pt_regs, we can properly detect trap frames in stack bactraces. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-24[SPARC64]: %l6 trap return handling no longer necessary.David S. Miller
Now that we indicate the "restart system call" in the trap type field of pt_regs->magic, we don't need to set the %l6 boolean in all of the trap return paths. And we therefore don't need to pass it to do_notify_resume(). Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-24[SPARC64]: Use trap type stored in pt_regs to handle syscall restart.David S. Miller
Now that we can check the trap type directly, we don't need the funny restart_syscall indication from the trap return paths. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-24[ARM] fix 48d7927bdf071d05cf5d15b816cf06b0937cb84fCatalin Marinas
The proc-*.S files have the _prefetch_abort pointer placed at the end of the processor structure but the cpu-multi32.h defines it in the second position. The patch also fixes the support for XSC3 and the MMU-less CPUs (740, 7tdmi, 940, 946 and 9tdmi). Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-04-23[SPARC64]: Store magic cookie and trap type in pt_regs.David S. Miller
This sets us up for several simplifications and facilities: 1) The magic cookie lets us identify trap frames more accurately in stack backtraces. 2) The trap type lets us simplify all of the "are we in a syscall" state management and checks. 3) We can now see if a task off the cpu is sleeping in a system call or not. In fact, we can see what trap it is sleeping in whatever the type. The utrace guys will use this. Based upon some discussions with Roland McGrath. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-23[SPARC64]: PROM debug console can be CON_ANYTIME.David S. Miller
No per-cpu or similar resources need to be setup before we can use this console device. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-23sparc64: cleanup after SunOS/Solaris binary emulation removalAdrian Bunk
The following cleanups are now possible: - arch/sparc64/kernel/entry.S:ret_sys_call no longer has to be global - arch/sparc64/kernel/sparc64_ksyms.c: remove no longer used prototypes Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>