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* [POWERPC] 40x: Fix debug status register definesJosh Boyer2006-09-21
| | | | | | | This fixes some debug register defines on PPC 40x that were incorrect. Signed-off-by: Josh Boyer <jdub@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] convert string i/o operations to CStephen Rothwell2006-09-20
| | | | | | | | | | This produces essentially the same code and will make the iSeries i/o consolidation easier. The count parameter is changed to long since that will produce the same (better) code on 32 and 64 bit builds. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* [POWERPC] remove unused asm routinesStephen Rothwell2006-09-20
| | | | | | _insw, _outsw, _insl amd _outsl are all unused, so remove them. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* [POWERPC] remove unused io accessorsStephen Rothwell2006-09-20
| | | | | | | | The io accessors insw_ns, outsw_ns, insl_ns and outsl_ns are unused (except for one unnecessary use in drivers/net/3c509.c that is addressed in a previous patch) and are only defined in powerpc/ppc, so remove them. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* [POWERPC] Fix MMIO ops to provide expected barrier behaviourPaul Mackerras2006-09-13
| | | | | | | | | | | | | | | | | | | | | | | | | | This changes the writeX family of functions to have a sync instruction before the MMIO store rather than after, because the generally expected behaviour is that the device receiving the MMIO store can be guaranteed to see the effects of any preceding writes to normal memory. To preserve ordering between writeX and readX, and to preserve ordering between preceding stores and the readX, the readX family of functions have had an sync added before the load. Although writeX followed by spin_unlock is not officially guaranteed to keep the writeX inside the spin-locked region unless an mmiowb() is used, there are currently drivers that depend on the previous behaviour on powerpc, which was that the mmiowb wasn't actually required. Therefore we have a per-cpu flag that is set by writeX, cleared by __raw_spin_lock and mmiowb, and tested by __raw_spin_unlock. If it is set, __raw_spin_unlock does a sync and clears it. This changes both 32-bit and 64-bit readX/writeX. 32-bit already has a sync in __raw_spin_unlock (since lwsync doesn't exist on 32-bit), and thus doesn't need the per-cpu flag. Tested on G5 (PPC970) and POWER5. Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc32: board-specific part of fs_enet updateVitaly Bordug2006-08-19
| | | | | | | | | | | | | This contains board-specific portion to respect driver changes (for 8272ads , 885ads and 866ads). Altered platform_data structures as well as initial setup routines relevant to fs_enet. Changes to the mpc8560ads ppc/ code are also introduced, but mainly as reference, since the entire board support is going to appear in arch/powerpc. Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] remove set_wmb - arch removalSteven Rostedt2006-07-15
| | | | | | | | | | | | | | | | set_wmb should not be used in the kernel because it just confuses the code more and has no benefit. Since it is not currently used in the kernel this patch removes it so that new code does not include it. All archs define set_wmb(var, value) to do { var = value; wmb(); } while(0) except ia64 and sparc which use a mb() instead. But this is still moot since it is not used anyway. Hasn't been tested on any archs but x86 and x86_64 (and only compiled tested) Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] irq-flags: PPC: Use the new IRQF_ constantsThomas Gleixner2006-07-02
| | | | | | | | | | | Use the new IRQF_ constants and remove the SA_INTERRUPT define Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* typo fixes: mecanism -> mechanismAdrian Bunk2006-06-30
| | | | Signed-off-by: Adrian Bunk <bunk@stusta.de>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6Linus Torvalds2006-06-29
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6: (22 commits) [PATCH] devfs: Remove it from the feature_removal.txt file [PATCH] devfs: Last little devfs cleanups throughout the kernel tree. [PATCH] devfs: Rename TTY_DRIVER_NO_DEVFS to TTY_DRIVER_DYNAMIC_DEV [PATCH] devfs: Remove the tty_driver devfs_name field as it's no longer needed [PATCH] devfs: Remove the line_driver devfs_name field as it's no longer needed [PATCH] devfs: Remove the videodevice devfs_name field as it's no longer needed [PATCH] devfs: Remove the gendisk devfs_name field as it's no longer needed [PATCH] devfs: Remove the miscdevice devfs_name field as it's no longer needed [PATCH] devfs: Remove the devfs_fs_kernel.h file from the tree [PATCH] devfs: Remove devfs_remove() function from the kernel tree [PATCH] devfs: Remove devfs_mk_cdev() function from the kernel tree [PATCH] devfs: Remove devfs_mk_bdev() function from the kernel tree [PATCH] devfs: Remove devfs_mk_symlink() function from the kernel tree [PATCH] devfs: Remove devfs_mk_dir() function from the kernel tree [PATCH] devfs: Remove devfs_*_tape() functions from the kernel tree [PATCH] devfs: Remove devfs support from the sound subsystem [PATCH] devfs: Remove devfs support from the ide subsystem. [PATCH] devfs: Remove devfs support from the serial subsystem [PATCH] devfs: Remove devfs from the init code [PATCH] devfs: Remove devfs from the partition code ...
| * [PATCH] devfs: Remove the devfs_fs_kernel.h file from the treeGreg Kroah-Hartman2006-06-26
| | | | | | | | | | | | Also fixes up all files that #include it. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] 64bit resource: change pci core and arch code to use resource_size_tGreg Kroah-Hartman2006-06-27
|/ | | | | | | | Based on a patch series originally from Vivek Goyal <vgoyal@in.ibm.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] random: remove SA_SAMPLE_RANDOM from floppy driverMatt Mackall2006-06-25
| | | | | | | | | The floppy driver is already calling add_disk_randomness as it should, so this was redundant. Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcLinus Torvalds2006-06-23
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (139 commits) [POWERPC] re-enable OProfile for iSeries, using timer interrupt [POWERPC] support ibm,extended-*-frequency properties [POWERPC] Extra sanity check in EEH code [POWERPC] Dont look for class-code in pci children [POWERPC] Fix mdelay badness on shared processor partitions [POWERPC] disable floating point exceptions for init [POWERPC] Unify ppc syscall tables [POWERPC] mpic: add support for serial mode interrupts [POWERPC] pseries: Print PCI slot location code on failure [POWERPC] spufs: one more fix for 64k pages [POWERPC] spufs: fail spu_create with invalid flags [POWERPC] spufs: clear class2 interrupt status before wakeup [POWERPC] spufs: fix Makefile for "make clean" [POWERPC] spufs: remove stop_code from struct spu [POWERPC] spufs: fix spu irq affinity setting [POWERPC] spufs: further abstract priv1 register access [POWERPC] spufs: split the Cell BE support into generic and platform dependant parts [POWERPC] spufs: dont try to access SPE channel 1 count [POWERPC] spufs: use kzalloc in create_spu [POWERPC] spufs: fix initial state of wbox file ... Manually resolved conflicts in: drivers/net/phy/Makefile include/asm-powerpc/spu.h
| * [POWERPC] Remove stale 64bit on 32bit kernel codeAnton Blanchard2006-06-15
| | | | | | | | | | | | | | Remove some stale POWER3/POWER4/970 on 32bit kernel support. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * powerpc: add context.vdso_base for 32-bit tooPaul Mackerras2006-06-11
| | | | | | | | | | | | | | | | This adds a vdso_base element to the mm_context_t for 32-bit compiles (both for ARCH=powerpc and ARCH=ppc). This fixes the compile errors that have been reported in arch/powerpc/kernel/signal_32.c. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * Merge ../linux-2.6Paul Mackerras2006-05-19
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| * \ Merge ../linux-2.6Paul Mackerras2006-05-05
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| * \ \ Merge branch 'merge'Paul Mackerras2006-04-29
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| * | | | Add 85xx CDS to arch/powerpcAndy Fleming2006-04-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for 85xx CDS support to arch/powerpc Signed-off-by: Andy Fleming <afleming@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* | | | | Merge branch 'master' of ↵David Woodhouse2006-05-24
|\ \ \ \ \ | | |_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: include/asm-powerpc/unistd.h include/asm-sparc/unistd.h include/asm-sparc64/unistd.h Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | | powerpc/32: Define an is_kernel_addr() to fix ARCH=ppc compilationPaul Mackerras2006-05-09
| | |_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | My commit 6bfd93c32a5065d0e858780b3beb0b667081601c broke the ARCH=ppc compilation by using the is_kernel_addr() macro in asm/uaccess.h. This fixes it by defining a suitable is_kernel_addr() for ARCH=ppc. Signed-off-by: Paul Mackerras <paulus@samba.org>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6David Woodhouse2006-05-06
|\| | | | | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [PATCH] ppc32 CPM_UART: Fixed break send on SCCVitaly Bordug2006-05-03
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | SCC uart sends a break sequence each time it is stopped with the CPM_CR_STOP_TX command. That means that each time an application closes the serial device, a break is transmitted. To fix this, graceful tx stop is issued for SCC. Signed-off-by: David Jander <david.jander@protonic.nl> Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6David Woodhouse2006-04-30
|\| | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | [PATCH] ppc32: odd fixes and improvements in ppc_sysVitaly Bordug2006-04-28
| | | | | | | | | | | | | | | | | | | | | | | | This consists of offsets fix in ..._devices.c, and update of ppc_sys_fixup_mem_resource() function to prevent subsequent fixups Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc32: add 440GX erratum 440_43 workaroundEugene Surovegin2006-04-28
| |/ | | | | | | | | | | | | | | | | | | This patch adds workaround for PPC 440GX erratum 440_43. According to this erratum spurious MachineChecks (caused by L1 cache parity) can happen during DataTLB miss processing. We disable L1 cache parity checking for 440GX rev.C and rev.F Signed-off-by: Eugene Surovegin <ebs@ebshome.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
* / Don't include linux/config.h from anywhere else in include/David Woodhouse2006-04-26
|/ | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [PATCH] lock PTE before updating it in 440/BookE page fault handlerEugene Surovegin2006-03-28
| | | | | | | | | | | Fix 44x and BookE page fault handler to correctly lock PTE before trying to pte_update() it, otherwise this PTE might be swapped out after pte_present() check but before pte_uptdate() call, resulting in corrupted PTE. This can happen with enabled preemption and low memory condition. Signed-off-by: Eugene Surovegin <ebs@ebshome.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
* Merge ../linux-2.6Paul Mackerras2006-03-28
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| * [PATCH] unify pfn_to_page: ppc pfn_to_pageKAMEZAWA Hiroyuki2006-03-27
| | | | | | | | | | | | | | | | | | | | PPC can use generic funcs. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] powerpc: Kill _machine and hard-coded platform numbersBenjamin Herrenschmidt2006-03-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This removes statically assigned platform numbers and reworks the powerpc platform probe code to use a better mechanism. With this, board support files can simply declare a new machine type with a macro, and implement a probe() function that uses the flattened device-tree to detect if they apply for a given machine. We now have a machine_is() macro that replaces the comparisons of _machine with the various PLATFORM_* constants. This commit also changes various drivers to use the new macro instead of looking at _machine. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | ppc: Remove CHRP, POWER3 and POWER4 support from arch/ppcPaul Mackerras2006-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 32-bit CHRP machines are now supported only in arch/powerpc, as are all 64-bit PowerPC processors. This means that we don't use Open Firmware on any platform in arch/ppc any more. This makes PReP support a single-platform option like every other platform support option in arch/ppc now, thus CONFIG_PPC_MULTIPLATFORM is gone from arch/ppc. CONFIG_PPC_PREP is the option that selects PReP support and is generally what has replaced CONFIG_PPC_MULTIPLATFORM within arch/ppc. _machine is all but dead now, being #defined to 0. Updated Makefiles, comments and Kconfig options generally to reflect these changes. Signed-off-by: Paul Mackerras <paulus@samba.org>
* | powerpc: Unify the 32 and 64 bit idle loopsPaul Mackerras2006-03-26
| | | | | | | | | | | | | | | | | | | | This unifies the 32-bit (ARCH=ppc and ARCH=powerpc) and 64-bit idle loops. It brings over the concept of having a ppc_md.power_save function from 32-bit to ARCH=powerpc, which lets us get rid of native_idle(). With this we will also be able to simplify the idle handling for pSeries and cell. Signed-off-by: Paul Mackerras <paulus@samba.org>
* | [PATCH] ppc32: Reorganize and complete MPC52xx initial cpu setupSylvain Munaut2006-03-26
|/ | | | | | | | | | | ppc32: Reorganize and complete MPC52xx initial cpu setup This patch splits up the CPU setup into a generic part and a platform specific part. We also add a few missing init at the same time. Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Implement accurate task and CPU time accountingPaul Mackerras2006-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements accurate task and cpu time accounting for 64-bit powerpc kernels. Instead of accounting a whole jiffy of time to a task on a timer interrupt because that task happened to be running at the time, we now account time in units of timebase ticks according to the actual time spent by the task in user mode and kernel mode. We also count the time spent processing hardware and software interrupts accurately. This is conditional on CONFIG_VIRT_CPU_ACCOUNTING. If that is not set, we do tick-based approximate accounting as before. To get this accurate information, we read either the PURR (processor utilization of resources register) on POWER5 machines, or the timebase on other machines on * each entry to the kernel from usermode * each exit to usermode * transitions between process context, hard irq context and soft irq context in kernel mode * context switches. On POWER5 systems with shared-processor logical partitioning we also read both the PURR and the timebase at each timer interrupt and context switch in order to determine how much time has been taken by the hypervisor to run other partitions ("steal" time). Unfortunately, since we need values of the PURR on both threads at the same time to accurately calculate the steal time, and since we can only calculate steal time on a per-core basis, the apportioning of the steal time between idle time (time which we ceded to the hypervisor in the idle loop) and actual stolen time is somewhat approximate at the moment. This is all based quite heavily on what s390 does, and it uses the generic interfaces that were added by the s390 developers, i.e. account_system_time(), account_user_time(), etc. This patch doesn't add any new interfaces between the kernel and userspace, and doesn't change the units in which time is reported to userspace by things such as /proc/stat, /proc/<pid>/stat, getrusage(), times(), etc. Internally the various task and cpu times are stored in timebase units, but they are converted to USER_HZ units (1/100th of a second) when reported to userspace. Some precision is therefore lost but there should not be any accumulating error, since the internal accumulation is at full precision. Signed-off-by: Paul Mackerras <paulus@samba.org>
* Merge ../powerpc-mergePaul Mackerras2006-02-23
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| * [PATCH] powerpc: remove duplicate exportsOlaf Hering2006-02-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A few symbols are exported twice, remove them from ppc_ksyms.c Remove users of sys_ctrler in arch/ppc/ WARNING: vmlinux: duplicate symbol '__delay' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol '__up' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol '__down' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol '__down_interruptible' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol 'sys_ctrler' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol 'strncat' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol 'strncmp' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol 'strchr' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol 'strrchr' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol 'strnlen' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol 'strpbrk' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol 'memscan' previous definition was in vmlinux WARNING: vmlinux: duplicate symbol 'strstr' previous definition was in vmlinux Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | [PATCH] powerpc: trivial: modify comments to refer to new location of filesJon Mason2006-02-10
| | | | | | | | | | | | | | | | | | This patch removes all self references and fixes references to files in the now defunct arch/ppc64 tree. I think this accomplises everything wanted, though there might be a few references I missed. Signed-off-by: Jon Mason <jdmason@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | [PATCH] ppc32: Make platform devices being able to assign functionsVitaly Bordug2006-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implemented by modification of the .name field of the platform device, when PDs with the same names are to be used within different drivers, as <device_name> -> <device_name>:<function> Corresponding drivers should change the .name in struct device_driver to reflect upper of course. Added ppc_sys_device_disable/enable function set, making it easier to disable all the inexistent/not utilized platform device way pdevs. By the check of the "disabled" bit in the config field of ppc_sys_specs, disabled platform devices will be either added/removed from the bus, or simply not registered on it, depending on the time when disable/enable call asserted. The default behaviour when nothing is disabled/enabled will be "all devices are enabled", which is the same as before. Also helper platform_notify_map function added, making assignment of board-specific platform_info more consistent and generic. Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcPaul Mackerras2006-02-07
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| * | [PATCH] powerpc: Add support for Xilinx ML403 reference designGrant C. Likely2006-02-07
| | | | | | | | | | | | | | | | | | | | | Includes fix for Xilinx silicon errata 213 Signed-off-by: Grant C. Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: Migrate Xilinx Vertex support from the OCP bus to the ↵Grant C. Likely2006-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | platfom bus. This patch only deals with the serial port definitions as there is no support for any other xilinx IP cores in the kernel tree at the moment. Board specific configuration moved out of virtex.[ch] and into the xparameters.h wrapper. This also prepares for the transition to the flattened device tree model. When the bootloader provides a device tree generated from an xparameters.h files, the kernel will no longer need xparameters/*. The platform bus will get populated with data from the device tree, and the device drivers will be automatically connected to the devices. Only the bootloader (or ppcboot) will need xparameters directly. Signed-off-by: Grant C. Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: Move xparameters.h into xilinx virtex device specific pathGrant C. Likely2006-02-07
| |/ | | | | | | | | | | | | | | | | | | | | | | | | xparameters should not be needed by anything but virtex platform code. Move it from include/asm-ppc/ to platforms/4xx/xparameters/ This is preparing for work to remove xparameters from the dependancy tree for most c files. xparam changes should not cause a recompile of the world. Instead, drivers should get device info from the platform bus (populated by the boot code) Signed-off-by: Grant C. Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | [PATCH] powerpc: generalize PPC44x_PIN_SIZEMarcelo Tosatti2006-01-20
| | | | | | | | | | | | | | | | | | | | | | | | The following patch generalizes PPC44x_PIN_SIZE by changing it to PPC_PIN_SIZE, which can be defined by any sub-arch to automatically adjust VMALLOC_START. Define PPC_PIN_SIZE on 8xx, avoiding potential conflicts with the pinned space. Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | [PATCH] ppc32 8xx: Added setbitsXX/clrbitsXX macro for read-modify-write ↵Vitaly Bordug2006-01-20
|/ | | | | | | | | | | operations This adds setbitsXX/clrbitsXX macro for read-modify-write operations and converts the 8xx core and drivers to use them. Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc: Remove powermac support from ARCH=ppcPaul Mackerras2006-01-15
| | | | | | | | | | | This makes it possible to build kernels for PReP and/or CHRP with ARCH=ppc by removing the (non-building) powermac support. It's now also possible to select PReP and CHRP independently. Powermac users should now build with ARCH=powerpc instead of ARCH=ppc. (This does mean that it is no longer possible to build a 32-bit kernel for a G5.) Signed-off-by: Paul Mackerras <paulus@samba.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds2006-01-12
|\ | | | | | | | | | | | | Fix up delete/modify conflict of arch/ppc/kernel/process.c by hand (it's gone, gone, gone). Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * powerpc: make ARCH=ppc use arch/powerpc/kernel/process.cPaul Mackerras2006-01-12
| | | | | | | | | | | | | | | | | | | | Commit 5388fb1025443ec223ba556b10efc4c5f83f8682 made signal_32.c use discard_lazy_cpu_state, which broke ARCH=ppc because that uses the common signal_32.c but has its own process.c. Make ARCH=ppc use the common process.c to fix this and to reduce the amount of duplicated code. Signed-off-by: Paul Mackerras <paulus@samba.org>
* | [PATCH] sched: add cacheflush() asmIngo Molnar2006-01-12
|/ | | | | | | | | | Add per-arch sched_cacheflush() which is a write-back cacheflush used by the migration-cost calibration code at bootup time. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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