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* Merge branch 'next' of ↵Linus Torvalds2008-12-28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (144 commits) powerpc/44x: Support 16K/64K base page sizes on 44x powerpc: Force memory size to be a multiple of PAGE_SIZE powerpc/32: Wire up the trampoline code for kdump powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M powerpc/32: Allow __ioremap on RAM addresses for kdump kernel powerpc/32: Setup OF properties for kdump powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs() powerpc: Prepare xmon_save_regs for use with kdump powerpc: Remove default kexec/crash_kernel ops assignments powerpc: Make default kexec/crash_kernel ops implicit powerpc: Setup OF properties for ppc32 kexec powerpc/pseries: Fix cpu hotplug powerpc: Fix KVM build on ppc440 powerpc/cell: add QPACE as a separate Cell platform powerpc/cell: fix build breakage with CONFIG_SPUFS disabled powerpc/mpc5200: fix error paths in PSC UART probe function powerpc/mpc5200: add rts/cts handling in PSC UART driver powerpc/mpc5200: Make PSC UART driver update serial errors counters powerpc/mpc5200: Remove obsolete code from mpc5200 MDIO driver powerpc/mpc5200: Add MDMA/UDMA support to MPC5200 ATA driver ... Fix trivial conflict in drivers/char/Makefile as per Paul's directions
| * Merge branch 'merge' into nextPaul Mackerras2008-12-15
| |\
| * | powerpc and sparc: Introduce dev_archdata node accessorsAnton Vorontsov2008-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The name of the device_node field differ across the platforms, so we have to implement inlined accessors. This is needed to avoid ugly #ifdef in the generic code. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | | sparc: We need to implement arch_ptrace_stop().David S. Miller2008-12-17
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | In order to always provide fully synchronized state to the debugger, we might need to do a synchronize_user_stack(). A pair of hooks, arch_ptrace_stop_needed() and arch_ptrace_stop(), exist to handle this kind of situation. It was created for the sake of IA64. Use them, to flush the kernel side cached register windows to the user stack, when necessary. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: asm/bitops.h should define __flsRusty Russell2008-12-03
|/ | | | | | | | | | bitops_64.h includes the generic one; pretty sure 32 should too. (Found by using __fls in generic code and breaking sparc defconfig build: thanks Stephen and linux-next!) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* remove __ARCH_WANT_COMPAT_SYS_PTRACEChristoph Hellwig2008-11-30
| | | | | | | | | | | | | All architectures now use the generic compat_sys_ptrace, as should every new architecture that needs 32bit compat (if we'll ever get another). Remove the now superflous __ARCH_WANT_COMPAT_SYS_PTRACE define, and also kill a comment about __ARCH_SYS_PTRACE that was added after __ARCH_SYS_PTRACE was already gone. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* sparc64: wire up accept4()David Miller2008-11-19
| | | | | | | | | | This adds the sparc syscall hookups. Signed-off-by: David S. Miller <davem@davemloft.net> Cc: Ulrich Drepper <drepper@redhat.com> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* sparc: Fix tty compile warnings.Robert Reif2008-11-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes tty compile warnings as sugested by Alan Cox: CC drivers/char/n_tty.o drivers/char/n_tty.c: In function ‘normal_poll’: drivers/char/n_tty.c:1555: warning: array subscript is above array bounds drivers/char/n_tty.c:1564: warning: array subscript is above array bounds drivers/char/n_tty.c: In function ‘read_chan’: drivers/char/n_tty.c:1269: warning: array subscript is above array bounds CC drivers/char/tty_ioctl.o drivers/char/tty_ioctl.c: In function ‘set_termios’: drivers/char/tty_ioctl.c:533: warning: array subscript is above array bounds drivers/char/tty_ioctl.c:537: warning: array subscript is above array bounds drivers/char/tty_ioctl.c: In function ‘tty_mode_ioctl’: drivers/char/tty_ioctl.c:662: warning: array subscript is above array bounds drivers/char/tty_ioctl.c:892: warning: array subscript is above array bounds drivers/char/tty_ioctl.c:896: warning: array subscript is above array bounds drivers/char/tty_ioctl.c:577: warning: array subscript is above array bounds drivers/char/tty_ioctl.c:928: warning: array subscript is above array bounds drivers/char/tty_ioctl.c:934: warning: array subscript is above array bounds Signed-off-by: Robert Reif <reif@earthlink.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc64: Kill annoying warning when building compat_binfmt_elf.oDavid S. Miller2008-11-02
| | | | | | | | | | GCC warns because some tests against 32-bit values never evaluate to true due to how TASK_SIZE is defined. I always wanted to mimick powerpc's definition of TASK_SIZE, which is simply TASK_SIZE_OF(current) and that also fixes the warning. Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: kernel/trace/trace.c wants DIE_OOPSAl Viro2008-11-02
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc64: Fix __copy_{to,from}_user_inatomic defines.Hugh Dickins2008-11-02
| | | | | | | | | | Alexander Beregalov reports oops in __bzero() called from copy_from_user_fixup() called from iov_iter_copy_from_user_atomic(), when running dbench on tmpfs on sparc64: its __copy_from_user_inatomic and __copy_to_user_inatomic should be avoiding, not calling, the fixups. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc: use the new byteorder headersHarvey Harrison2008-10-29
| | | | | Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* container freezer: add TIF_FREEZE flag to all architecturesMatt Helsley2008-10-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch series introduces a cgroup subsystem that utilizes the swsusp freezer to freeze a group of tasks. It's immediately useful for batch job management scripts. It should also be useful in the future for implementing container checkpoint/restart. The freezer subsystem in the container filesystem defines a cgroup file named freezer.state. Reading freezer.state will return the current state of the cgroup. Writing "FROZEN" to the state file will freeze all tasks in the cgroup. Subsequently writing "RUNNING" will unfreeze the tasks in the cgroup. * Examples of usage : # mkdir /containers/freezer # mount -t cgroup -ofreezer freezer /containers # mkdir /containers/0 # echo $some_pid > /containers/0/tasks to get status of the freezer subsystem : # cat /containers/0/freezer.state RUNNING to freeze all tasks in the container : # echo FROZEN > /containers/0/freezer.state # cat /containers/0/freezer.state FREEZING # cat /containers/0/freezer.state FROZEN to unfreeze all tasks in the container : # echo RUNNING > /containers/0/freezer.state # cat /containers/0/freezer.state RUNNING This patch: The first step in making the refrigerator() available to all architectures, even for those without power management. The purpose of such a change is to be able to use the refrigerator() in a new control group subsystem which will implement a control group freezer. [akpm@linux-foundation.org: fix sparc] Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Matt Helsley <matthltc@us.ibm.com> Acked-by: Pavel Machek <pavel@suse.cz> Acked-by: Serge E. Hallyn <serue@us.ibm.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Nigel Cunningham <nigel@tuxonice.net> Tested-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] remove unused ibcs2/PER_SVR4 in SET_PERSONALITYMartin Schwidefsky2008-10-16
| | | | | | | | The SET_PERSONALITY macro is always called with a second argument of 0. Remove the ibcs argument and the various tests to set the PER_SVR4 personality. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* Merge git://git.infradead.org/users/dwmw2/random-2.6Linus Torvalds2008-10-13
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/users/dwmw2/random-2.6: Fix autoloading of MacBook Pro backlight driver. Automatic MODULE_ALIAS() for DMI match tables. Remove asm/a.out.h files for all architectures without a.out support. Introduce HAVE_AOUT symbol to remove hard-coded arch list for BINFMT_AOUT Remove redundant CONFIG_ARCH_SUPPORTS_AOUT S390: Update comments about why we don't use <asm-generic/statfs.h> SPARC: Use <asm-generic/statfs.h> PowerPC: Use <asm-generic/statfs.h> PARISC: Use <asm-generic/statfs.h> x86_64: Use <asm-generic/statfs.h> IA64: Use <asm-generic/statfs.h> ARM: Use <asm-generic/statfs.h> Make <asm-generic/statfs.h> suitable for 64-bit platforms. Define and use PCI_DEVICE_ID_MARVELL_88ALP01_CCIC for CAFÉ camera driver [MTD] [NAND] Define and use PCI_DEVICE_ID_MARVELL_88ALP01_NAND for CAFÉ Use PCI_DEVICE_ID_88ALP01 for CAFÉ chip, rather than PCI_DEVICE_ID_CAFE. EFS: Don't set f_fsid in statfs().
| * Merge branch 'master' of ↵David Woodhouse2008-10-13
| |\ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: include/asm-x86/statfs.h
| * | SPARC: Use <asm-generic/statfs.h>David Woodhouse2008-09-06
| | | | | | | | | | | | Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* | | serial: allow 8250 to be used on sparcDavid Miller2008-10-13
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This requires three changes: 1) Remove !SPARC restriction in Kconfig. 2) Move Sparc specific serial drivers before 8250, so that serial console devices don't change names on us, even if 8250 finds devices. 3) Since the Sparc specific serial drivers try to use the same major/minor device namespace as 8250, some coordination is necessary. Use the sunserial_*() layer routines to allocate minor number space within TTY_MAJOR when CONFIG_SPARC. This has no effect on other platforms. Thanks to Josip Rodin for bringing up this issue and testing plus debugging various revisions of this patch. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | sparc32: Delete master_l10_limit.David S. Miller2008-09-20
| | | | | | | | | | | | It is only set, never used. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc32: Use PROM device probing for sun4c timers.David S. Miller2008-09-20
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc32: Use PROM infrastructure for probing and mapping sun4d timers.David S. Miller2008-09-20
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc32: Use PROM device probing for sun4m timer registers.David S. Miller2008-09-14
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Fix sparse warnings in fault.cDavid S. Miller2008-09-12
| | | | | | | | | | | | | | | | | | 1) set_brkpt() is referenced by nothing and hasn't been used by anyone to my knowledge for many many years. So just delete it. 2) add extern decl for do_sparc64_fault() in asm/pgtable_64.h Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Fix sparse warnings in visemul.cDavid S. Miller2008-09-12
| | | | | | | | | | | | | | 1) edge8 tables should be static 2) add vis_emul() extern decl. to asm/visasm.h Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Define WANT_PAGE_VIRTUALDavid S. Miller2008-09-12
| | | | | | | | | | | | | | | | | | | | | | | | As sparse warns, without this struct page pointer subtraction is extremely expensive, and this is a pretty common operation in fast paths. With this define struct page becomes 64 bytes which makes for a simple subtract and shift, instead of a costly divide or reciprocol multiply. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sysctl: Use header file for sysctl knob declarations on sparc.David S. Miller2008-09-12
| | | | | | | | | | | | | | This also takes care of a sparse warning as scons_pwroff's definition point. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Fix sparse warnings in global reg snapshotting.David S. Miller2008-09-12
| | | | | | | | | | | | | | Lots of shadowed local variables and global_reg_snapshot[] needs an extern declaration in asm/ptrace_64.h. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Get rid of pci_controller_info.David S. Miller2008-09-11
| | | | | | | | | | | | | | | | | | | | It is just used as a parent to encapsulate two PBM objects. But that layout is only really relevant and necessary for psycho PCI controllers, which unlike all the others share a single IOMMU instance between sibling PCI busses. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: remove unused includesBjoern B. Brandenburg2008-09-09
| | | | | | | | | | | | | | | | The spinlock code does not use NR_CPUS. Compile tested using allyesconfig and allnoconfig. Signed-off-by: Bjoern B. Brandenburg <bbb@cs.unc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc32: Move sun4d show_leds() out of asm/obio.hDavid S. Miller2008-09-08
| | | | | | | | | | | | Put it, as well as cpu_leds[] array, into sun4d_irq.c Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵David S. Miller2008-09-08
|\| | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 Conflicts: arch/sparc/kernel/of_device.c
| * sparc32: Implement smp_call_function_single().David S. Miller2008-08-27
| | | | | | | | | | | | | | | | Reported by Stephen Rothwell. Needed to fix the build when CONFIG_RELAY is enabled. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: Remove asm/rtc.hDavid S. Miller2008-09-03
| | | | | | | | | | | | No more users. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc32: Kill asm/mostek.h.David S. Miller2008-09-03
| | | | | | | | | | | | No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Implement SSTATE purely using notifiers and initcalls.David S. Miller2008-09-02
| | | | | | | | | | | | | | Don't clutter up the tree with sstate_blah() scattered all over the place. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Move reboot handling into seperate file and kill power reg programming.David S. Miller2008-09-02
| | | | | | | | | | | | We should always use prom_power_off(). Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Clean up CPU chip type probing code.David S. Miller2008-09-01
| | | | | | | | | | | | | | | | | | | | | | | | | | Three main things: 1) Make prober an arch initcall instead of using hard-coded invocation from paging_init() 2) Shrink table size, the fpu ident stuff was never used. 3) Use named struct initialized in table. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: remove CONFIG_SUN4Adrian Bunk2008-08-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | While doing some easy cleanups on the sparc code I noticed that the CONFIG_SUN4 code seems to be worse than the rest - there were some "I don't know how it should work, but the current code definitely cannot work." places. And while I have seen people running Linux on machines like a SPARCstation 5 a few years ago I don't recall having seen sun4 machines, even less ones running Linux. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Rewrite central driver.David S. Miller2008-08-31
| | | | | | | | | | | | | | | | | | | | | | This driver is now limited to just doing the basic clock board and FHC chip initialization and registering the platform devices for the per-board LEDs, which are driven by the new LEDS_STARFIRE driver. The IRQ register handling is already confined purely to the device tree code. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Delete starfire_cpu_setup().David S. Miller2008-08-31
| | | | | | | | | | | | It does nothing. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: Annotate of_device_id arrays with const or __initdata.David S. Miller2008-08-31
| | | | | | | | | | | | As suggested by Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: Kill ebus_bus_type.David S. Miller2008-08-30
| | | | | | | | | | | | No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: Kill EBUS driver layer.David S. Miller2008-08-30
| | | | | | | | | | | | | | All that remains is the EBUS DMA programming library for sparc64. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Convert EBUS floppy support to pure OF driver.David S. Miller2008-08-30
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: Move EBUS DMA interfaces into seperate header file.David S. Miller2008-08-30
| | | | | | | | | | | | | | | | These have no dependencies on the EBUS probing layer, the clients setup the registers and all of those details. The EBUS DMA layer just programs and manages the DMA controller found in EBUS. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Use generic CMOS driver.David S. Miller2008-08-29
| | | | | | | | | | | | Based largely upon a patch by Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: asm/mostek.h is now 32-bit onlyDavid S. Miller2008-08-29
| | | | | | | | | | | | No need for the 64-bit header version any more. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: Delete asm/sbus*.hDavid S. Miller2008-08-29
| | | | | | | | | | | | No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc: Kill now spurious includes of sbus.hDavid S. Miller2008-08-29
| | | | | | | | | | | | | | | | In order to make this week I also had to add an include of linux/dma-mapping.h to asm/pci_32.h because drivers/pci/pci.c really depends upon getting this header somehow. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc32: Kill iounit_map_dma_*().David S. Miller2008-08-29
| | | | | | | | | | | | Unused. Signed-off-by: David S. Miller <davem@davemloft.net>
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