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2005-11-10[PATCH] ppc64: RTAS error reporting restructuringLinas Vepstas
05-eeh-slot-error-detail.patch This patch encapsulates a section of code that reports the EEH event. The new subroutine can be used in several places to report the error. Signed-off-by: Linas Vepstas <linas@linas.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc64: PCI error rate statisticsLinas Vepstas
04-eeh-statistics.patch This minor patch adds some statistics-gathering counters that allow the behaviour of the EEH subsystem o be monitored. While far from perfect, it does provide a rudimentary device that makes understanding of the current state of the system a bit easier. Signed-off-by: Linas Vepstas <linas@linas.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc64: PCI address cache minor fixesLinas Vepstas
03-eeh-addr-cache-cleanup.patch This is a minor patch to clean up a buglet related to the PCI address cache. (The buglet doesn't manifes itself unless there are also bugs elsewhere, which is why its minor.). Also: -- Improved debug printing. -- Declare some private routines as static -- Adds reference counting to struct pci_dn->pcidev structure Signed-off-by: Linas Vepstas <linas@linas.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc64: misc minor cleanupLinas Vepstas
02-eeh-minor-cleanup.patch This patch performs some minor cleanup of the eeh.c file, including: -- trim some trailing whitespace -- remove extraneous #includes -- use the macro PCI_DN uniformly, instead of the void pointer chase. -- typos in comments -- improved debug printk's Signed-off-by: Linas Vepstas <linas@linas.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc64: uniform usage of bus unit id interfaceslinas
01-pci-dn-uniformization.patch This patch changes the rtas_pci interface to use the new struct pci_dn structure for two routines that work with pci device nodes. This patch also does some minor janitorial work: it uses some handy macros and cleans up some trailing whitespace in the affected file. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc64: Don't panic when early __ioremap failsBenjamin Herrenschmidt
Early calls to __ioremap() will panic if the hash insertion fails. This patch makes them return NULL instead. It happens with some pSeries users who enabled CONFIG_BOOTX_TEXT. The later is getting an incorrect address for the fame buffer and the hash insertion fails. With this patch, it will display an error instead of crashing at boot. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc64 boot: fix compile warningsOlaf Hering
Fix a few compile warnings arch/ppc64/boot/addRamDisk.c:166: warning: int format, long unsigned int arg (arg 2) arch/ppc64/boot/addRamDisk.c:170: warning: int format, long unsigned int arg (arg 2) arch/ppc64/boot/addRamDisk.c:265: warning: unsigned int format, long unsigned int arg (arg 2) arch/ppc64/boot/addRamDisk.c:302: warning: unsigned int format, long unsigned int arg (arg 3) Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc64 boot: remove sysmap from required filenamesOlaf Hering
A stripped vmlinux does not contain enough symbols to recreate the System.map. The System.map file is only used to determine the end of the runtime memory size. This is the same value (rounded up to PAGE_SIZE) as ->memsiz in the ELF program header. Also, the target vmlinux.initrd doesnt work in 2.6.14: arch/ppc64/boot/addRamDisk arch/ppc64/boot/ramdisk.image.gz vmlinux.strip arch/ppc64/boot/vmlinux.initrd Name of vmlinux output file missing. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc64 boot: remove argv usageOlaf Hering
Use a local variable for the input filenames. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc64 boot: remove local initializersOlaf Hering
Remove initialization of local variables. They get all values assigned before use. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] ppc32: fix ppc44x fpu buildMatt Porter
Fixes ppc44x fpu support that broke from a bad arch/powerpc merge. Instead of adding KernelFP back in (which duplicates code) we use the same kernel fpu unavailable handler as classic PPC processors. Signed-off-by: Matt Porter <mporter@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] powerpc: Move various ppc64 files with no ppc32 equivalent to powerpcDavid Gibson
This patch moves a bunch of files from arch/ppc64 and include/asm-ppc64 which have no equivalents in ppc32 code into arch/powerpc and include/asm-powerpc. The file affected are: abs_addr.h compat.h lppaca.h paca.h tce.h cpu_setup_power4.S ioctl32.c firmware.c pacaData.c The only changes apart from the move and corresponding Makefile changes are: - #ifndef/#define in includes updated to _ASM_POWERPC_ form - trailing whitespace removed - comments giving full paths removed - pacaData.c renamed paca.c to remove studlyCaps - Misplaced { moved in lppaca.h Built and booted on POWER5 LPAR (ARCH=powerpc and ARCH=ppc64), built for 32-bit powermac (ARCH=powerpc). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10[PATCH] powerpc: Merge signal.hDavid Gibson
Having already merged the ppc and ppc64 versions of signal.c, this patch finishes the job by merging signal.h. The two versions were almost identical already. Notable changes: - We use BITS_PER_LONG to correctly size sigset_t - Remove some uneeded #includes and struct forward declarations. This does mean adding an include to signal_32.c which relied on the indirect inclusion of sigcontext.h - As the ppc64 version, the merged signal.h has prototypes for do_signal() and do_signal32(). Thus remove extra prototypes from ppc_ksyms.c which had them directly. Built and booted on POWER5 LPAR (ARCH=ppc64 and ARCH=powerpc). Built for 32-bit powermac (ARCH=ppc and ARCH=powerpc) and Walnut (ARCH=ppc). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-10Merge ../linux-2.6Paul Mackerras
2005-11-09[SPARC] sbus rtc: implement ->compat_ioctlChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-11-09[SPARC64]: Use ARRAY_SIZE macroTobias Klauser
Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a duplicate of ARRAY_SIZE which is never used anyways. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-11-09[SPARC]: Use ARRAY_SIZE macroTobias Klauser
Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a duplicate of ARRAY_SIZE which is never used anyways. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-11-09Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
2005-11-09Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
2005-11-09Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
2005-11-09[PATCH] i386: EXPORT_SYMBOL(screen_info) even #ifndef CONFIG_VTAdrian Bunk
The folllowing modules require screen_info but don't depend on CONFIG_VT: - vga16fb.ko - intelfb.ko Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] fbdev: Remove remains of epson1356fbRalf Baechle
Delete leftovers of the FB_E1356 and anything that did depend on it. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] sched: resched and cpu_idle reworkNick Piggin
Make some changes to the NEED_RESCHED and POLLING_NRFLAG to reduce confusion, and make their semantics rigid. Improves efficiency of resched_task and some cpu_idle routines. * In resched_task: - TIF_NEED_RESCHED is only cleared with the task's runqueue lock held, and as we hold it during resched_task, then there is no need for an atomic test and set there. The only other time this should be set is when the task's quantum expires, in the timer interrupt - this is protected against because the rq lock is irq-safe. - If TIF_NEED_RESCHED is set, then we don't need to do anything. It won't get unset until the task get's schedule()d off. - If we are running on the same CPU as the task we resched, then set TIF_NEED_RESCHED and no further action is required. - If we are running on another CPU, and TIF_POLLING_NRFLAG is *not* set after TIF_NEED_RESCHED has been set, then we need to send an IPI. Using these rules, we are able to remove the test and set operation in resched_task, and make clear the previously vague semantics of POLLING_NRFLAG. * In idle routines: - Enter cpu_idle with preempt disabled. When the need_resched() condition becomes true, explicitly call schedule(). This makes things a bit clearer (IMO), but haven't updated all architectures yet. - Many do a test and clear of TIF_NEED_RESCHED for some reason. According to the resched_task rules, this isn't needed (and actually breaks the assumption that TIF_NEED_RESCHED is only cleared with the runqueue lock held). So remove that. Generally one less locked memory op when switching to the idle thread. - Many idle routines clear TIF_POLLING_NRFLAG, and only set it in the inner most polling idle loops. The above resched_task semantics allow it to be set until before the last time need_resched() is checked before going into a halt requiring interrupt wakeup. Many idle routines simply never enter such a halt, and so POLLING_NRFLAG can be always left set, completely eliminating resched IPIs when rescheduling the idle task. POLLING_NRFLAG width can be increased, to reduce the chance of resched IPIs. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Con Kolivas <kernel@kolivas.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] sched: disable preempt in idle tasksNick Piggin
Run idle threads with preempt disabled. Also corrected a bugs in arm26's cpu_idle (make it actually call schedule()). How did it ever work before? Might fix the CPU hotplugging hang which Nigel Cunningham noted. We think the bug hits if the idle thread is preempted after checking need_resched() and before going to sleep, then the CPU offlined. After calling stop_machine_run, the CPU eventually returns from preemption and into the idle thread and goes to sleep. The CPU will continue executing previous idle and have no chance to call play_dead. By disabling preemption until we are ready to explicitly schedule, this bug is fixed and the idle threads generally become more robust. From: alexs <ashepard@u.washington.edu> PPC build fix From: Yoichi Yuasa <yuasa@hh.iij4u.or.jp> MIPS build fix Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] move some COMPATIBLE_IOCTL entries from x86_64 to common codeChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] remove ioctl32_handler_tChristoph Hellwig
Some architectures define and use this type in their compat_ioctl code, but all of them can easily use the identical ioctl_trans_handler_t type that is defined in common code. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reasonOlaf Hering
This patch removes almost all inclusions of linux/version.h. The 3 #defines are unused in most of the touched files. A few drivers use the simple KERNEL_VERSION(a,b,c) macro, which is unfortunatly in linux/version.h. There are also lots of #ifdef for long obsolete kernels, this was not touched. In a few places, the linux/version.h include was move to where the LINUX_VERSION_CODE was used. quilt vi `find * -type f -name "*.[ch]"|xargs grep -El '(UTS_RELEASE|LINUX_VERSION_CODE|KERNEL_VERSION|linux/version.h)'|grep -Ev '(/(boot|coda|drm)/|~$)'` search pattern: /UTS_RELEASE\|LINUX_VERSION_CODE\|KERNEL_VERSION\|linux\/\(utsname\|version\).h Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] s390: "extern inline" -> "static inline"Adrian Bunk
"extern inline" -> "static inline" Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] ppc32: fix perf_irq extern on e500Matt Porter
Fixes e500 build and cleans up traps.c by moving perf_irq extern to pmc.h. Signed-off-by: Matt Porter <mporter@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] ppc32: Update MPC834x platform to work with new phylibKumar Gala
MPC834x uses the gianfar network driver which now uses the new phylib. We need to update the platform code to create a gianfar platform MDIO bus and pass the right intializations to the gianfar driver to make things work again. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] ppc64: add MODALIAS= for vio busOlaf Hering
A non-broken udev would autoload also the drivers for devices on the pseries vio bus, like ibmveth, ibmvscsic and hvsc. This is similar to pci, usb and ieee1394: /lib/modules/`uname -r`/modules.alias alias vio:TvscsiSIBM,v-scsi* ibmvscsic alias vio:TnetworkSIBM,l-lan* ibmveth alias vio:Tserial-serverShvterm2* hvcs /events/debug.00004.pci.add.1394:MODALIAS='pci:v00001014d00000188sv00000000sd00000000bc06sc04i0f' /events/debug.00005.pci.add.1509:MODALIAS='pci:v00008086d00001229sv00001014sd000001FFbc02sc00i00' /events/debug.00026.vio.add.1519:MODALIAS='vio:TserialShvterm1' /events/debug.00027.vio.add.1446:MODALIAS='vio:TvscsiSIBM,v-scsi' /events/debug.00028.vio.add.1451:MODALIAS='vio:TnetworkSIBM,l-lan' modprobe -v vio:TnetworkSIBM,l-lan insmod /lib/modules/2.6.14-20051030_vio-ppc64/kernel/drivers/net/ibmveth.ko Signed-off-by: Olaf Hering <olh@suse.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] ppc32: Fix STx GP3 buildMatt Porter
Add missing include file to fix STx GP3 build. Signed-off-by: Matt Porter <mporter@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[PATCH] ppc32: Fix RapidIO build on 85xxMatt Porter
Fixes mismerged Makefile that prevented the ppc85xx rapidio support from being built. Signed-off-by: Matt Porter <mporter@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-09[ARM] Clean up save_and_disable_irqs macro and allow use of ARMv6 CPSIDRussell King
save_and_disable_irqs does not need to use mov + msr (which was introduced to work around a documentation bug which was propagated into binutils.) Use msr with an immediate constant, and if we're building for ARMv6 or later, use the new CPSID instruction. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-09Merge with ARM SMP treeRussell King
2005-11-09[ARM] 3100/1: simplify a pointer computationNicolas Pitre
Patch from Nicolas Pitre Looks clearer this way. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-09[ARM] 3138/1: SMDK2440 - fix map_desc initialisation (and ISA memory space)Ben Dooks
Patch from Ben Dooks Fix the map_desc initialisers for the SMDK2440 machine to use the new .pfn method, and at the same time making the differntiation between ISA IO and Memory space accesses Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-09[ARM] 3137/1: RX3715 - fix map_desc initialiserBen Dooks
Patch from Ben Dooks Change the initialiser for the map_desc for the iPAQ RX3715 to use the new pfn initialiser, and also reduce the amount of ISA space mapped (we only need to stop any ISA IO writes OOPsing the system, so do not need >1Mbyte of space) Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-09[ARM] 3136/1: Anubis - fix map_desc initialisersBen Dooks
Patch from Ben Dooks Fix the map_desc initialisers for the Simtec Anubis board to match the new initialiser scheme. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-09[ARM SMP] Add CPU hotplug support for Realview MPcoreRussell King
Add platform specific parts for hotplug CPU support for the Realview board. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-09[ARM SMP] Add local timer support for Realview MPcoreRussell King
Add platform specific parts for local timer support for the Realview board. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-09[PATCH] uml_net: use ethtool_opsChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-11-09[PATCH] xtensa platform-iss network: remove no-op ioctl handlerChristoph Hellwig
If the driver ever wants to add ethtool support it should use ethtool_ops. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-11-08[PATCH] Fix sysctl unregistration oops (CVE-2005-2709)Al Viro
You could open the /proc/sys/net/ipv4/conf/<if>/<whatever> file, then wait for interface to go away, try to grab as much memory as possible in hope to hit the (kfreed) ctl_table. Then fill it with pointers to your function. Then do read from file you've opened and if you are lucky, you'll get it called as ->proc_handler() in kernel mode. So this is at least an Oops and possibly more. It does depend on an interface going away though, so less of a security risk than it would otherwise be. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-08Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
2005-11-08Merge with ARM SMP treeRussell King
2005-11-08[ARM] 3135/1: harden SA11x0 and PXA2xx timer init codeNicolas Pitre
Patch from Nicolas Pitre Make it completely deterministic and leave nothing to chance (even if it had at worst 0.001% probability of failing). Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-08[ARM] 3134/1: add missing EXPORT_SYMBOL for the ARM version of sha_transformNicolas Pitre
Patch from Nicolas Pitre Noticed by Woody Suwalski <woodys@xandros.com>. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-08[ARM] 3132/1: S3C2410 - reset on decompression errorBen Dooks
Patch from Ben Dooks Force a watchdog reset if the system fails to decompress properly. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-08[ARM] 3124/1: Sharp SL-6000x: SharpSL PCMCIA UpdatesDirk Opfer
Patch from Dirk Opfer This patch updates the tosa machine to use the new SharpSL PCMCIA layer introduced with Patch #3093/1 Depends on #3093/1 Signed-off-by: Dirk Opfer <Dirk@Opfer-Online.de> Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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