diff options
394 files changed, 10151 insertions, 1919 deletions
diff --git a/.gitignore b/.gitignore index 9bb1cb6d825..869e1a3b64b 100644 --- a/.gitignore +++ b/.gitignore @@ -3,6 +3,10 @@ # subdirectories here. Add them in the ".gitignore" file # in that subdirectory instead. # +# NOTE! Please use 'git-ls-files -i --exclude-standard' +# command after changing this file, to see if there are +# any tracked files which get ignored after the change. +# # Normal rules # .* @@ -18,19 +22,21 @@ *.lst *.symtypes *.order +*.elf +*.bin +*.gz # # Top-level generic files # tags TAGS -vmlinux* -!vmlinux.lds.S -!vmlinux.lds.h +vmlinux System.map Module.markers Module.symvers !.gitignore +!.mailmap # # Generated include files @@ -2611,8 +2611,9 @@ S: Perth, Western Australia S: Australia N: Miguel Ojeda Sandonis -E: maxextreme@gmail.com -W: http://maxextreme.googlepages.com/ +E: miguel.ojeda.sandonis@gmail.com +W: http://miguelojeda.es +W: http://jair.lab.fi.uva.es/~migojed/ D: Author of the ks0108, cfag12864b and cfag12864bfb auxiliary display drivers. D: Maintainer of the auxiliary display drivers tree (drivers/auxdisplay/*) S: C/ Mieses 20, 9-B diff --git a/Documentation/DocBook/kgdb.tmpl b/Documentation/DocBook/kgdb.tmpl index 028a8444d95..e8acd1f0345 100644 --- a/Documentation/DocBook/kgdb.tmpl +++ b/Documentation/DocBook/kgdb.tmpl @@ -84,10 +84,9 @@ runs an instance of gdb against the vmlinux file which contains the symbols (not boot image such as bzImage, zImage, uImage...). In gdb the developer specifies the connection parameters and - connects to kgdb. Depending on which kgdb I/O modules exist in - the kernel for a given architecture, it may be possible to debug - the test machine's kernel with the development machine using a - rs232 or ethernet connection. + connects to kgdb. The type of connection a developer makes with + gdb depends on the availability of kgdb I/O modules compiled as + builtin's or kernel modules in the test machine's kernel. </para> </chapter> <chapter id="CompilingAKernel"> @@ -223,7 +222,7 @@ </para> <para> IMPORTANT NOTE: Using this option with kgdb over the console - (kgdboc) or kgdb over ethernet (kgdboe) is not supported. + (kgdboc) is not supported. </para> </sect1> </chapter> @@ -249,18 +248,11 @@ (gdb) target remote /dev/ttyS0 </programlisting> <para> - Example (kgdb to a terminal server): + Example (kgdb to a terminal server on tcp port 2012): </para> <programlisting> % gdb ./vmlinux - (gdb) target remote udp:192.168.2.2:6443 - </programlisting> - <para> - Example (kgdb over ethernet): - </para> - <programlisting> - % gdb ./vmlinux - (gdb) target remote udp:192.168.2.2:6443 + (gdb) target remote 192.168.2.2:2012 </programlisting> <para> Once connected, you can debug a kernel the way you would debug an diff --git a/Documentation/accounting/taskstats-struct.txt b/Documentation/accounting/taskstats-struct.txt index 8aa7529f825..cd784f46bf8 100644 --- a/Documentation/accounting/taskstats-struct.txt +++ b/Documentation/accounting/taskstats-struct.txt @@ -24,6 +24,8 @@ There are three different groups of fields in the struct taskstats: 4) Per-task and per-thread context switch count statistics +5) Time accounting for SMT machines + Future extension should add fields to the end of the taskstats struct, and should not change the relative position of each field within the struct. @@ -164,4 +166,8 @@ struct taskstats { __u64 nvcsw; /* Context voluntary switch counter */ __u64 nivcsw; /* Context involuntary switch counter */ +5) Time accounting for SMT machines + __u64 ac_utimescaled; /* utime scaled on frequency etc */ + __u64 ac_stimescaled; /* stime scaled on frequency etc */ + __u64 cpu_scaled_run_real_total; /* scaled cpu_run_real_total */ } diff --git a/Documentation/auxdisplay/cfag12864b b/Documentation/auxdisplay/cfag12864b index b714183d412..eb7be393a51 100644 --- a/Documentation/auxdisplay/cfag12864b +++ b/Documentation/auxdisplay/cfag12864b @@ -3,7 +3,7 @@ =================================== License: GPLv2 -Author & Maintainer: Miguel Ojeda Sandonis <maxextreme@gmail.com> +Author & Maintainer: Miguel Ojeda Sandonis Date: 2006-10-27 @@ -22,7 +22,7 @@ Date: 2006-10-27 1. DRIVER INFORMATION --------------------- -This driver support one cfag12864b display at time. +This driver supports a cfag12864b LCD. --------------------- diff --git a/Documentation/auxdisplay/cfag12864b-example.c b/Documentation/auxdisplay/cfag12864b-example.c index 7bfac354d4c..2caeea5e499 100644 --- a/Documentation/auxdisplay/cfag12864b-example.c +++ b/Documentation/auxdisplay/cfag12864b-example.c @@ -4,7 +4,7 @@ * Description: cfag12864b LCD userspace example program * License: GPLv2 * - * Author: Copyright (C) Miguel Ojeda Sandonis <maxextreme@gmail.com> + * Author: Copyright (C) Miguel Ojeda Sandonis * Date: 2006-10-31 * * This program is free software; you can redistribute it and/or modify diff --git a/Documentation/auxdisplay/ks0108 b/Documentation/auxdisplay/ks0108 index 92b03b60c61..8ddda0c8cee 100644 --- a/Documentation/auxdisplay/ks0108 +++ b/Documentation/auxdisplay/ks0108 @@ -3,7 +3,7 @@ ========================================== License: GPLv2 -Author & Maintainer: Miguel Ojeda Sandonis <maxextreme@gmail.com> +Author & Maintainer: Miguel Ojeda Sandonis Date: 2006-10-27 @@ -21,7 +21,7 @@ Date: 2006-10-27 1. DRIVER INFORMATION --------------------- -This driver support the ks0108 LCD controller. +This driver supports the ks0108 LCD controller. --------------------- diff --git a/Documentation/cgroups.txt b/Documentation/cgroups.txt index 824fc027447..d9014aa0eb6 100644 --- a/Documentation/cgroups.txt +++ b/Documentation/cgroups.txt @@ -390,6 +390,10 @@ If you have several tasks to attach, you have to do it one after another: ... # /bin/echo PIDn > tasks +You can attach the current shell task by echoing 0: + +# echo 0 > tasks + 3. Kernel API ============= diff --git a/Documentation/controllers/devices.txt b/Documentation/controllers/devices.txt index 4dcea42432c..7cc6e6a6067 100644 --- a/Documentation/controllers/devices.txt +++ b/Documentation/controllers/devices.txt @@ -13,7 +13,7 @@ either an integer or * for all. Access is a composition of r The root device cgroup starts with rwm to 'all'. A child device cgroup gets a copy of the parent. Administrators can then remove devices from the whitelist or add new entries. A child cgroup can -never receive a device access which is denied its parent. However +never receive a device access which is denied by its parent. However when a device access is removed from a parent it will not also be removed from the child(ren). @@ -29,7 +29,11 @@ allows cgroup 1 to read and mknod the device usually known as echo a > /cgroups/1/devices.deny -will remove the default 'a *:* mrw' entry. +will remove the default 'a *:* rwm' entry. Doing + + echo a > /cgroups/1/devices.allow + +will add the 'a *:* rwm' entry to the whitelist. 3. Security diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt index 353504de308..1f5a924d1e5 100644 --- a/Documentation/cpusets.txt +++ b/Documentation/cpusets.txt @@ -154,13 +154,15 @@ browsing and modifying the cpusets presently known to the kernel. No new system calls are added for cpusets - all support for querying and modifying cpusets is via this cpuset file system. -The /proc/<pid>/status file for each task has two added lines, +The /proc/<pid>/status file for each task has four added lines, displaying the tasks cpus_allowed (on which CPUs it may be scheduled) and mems_allowed (on which Memory Nodes it may obtain memory), -in the format seen in the following example: +in the two formats seen in the following example: Cpus_allowed: ffffffff,ffffffff,ffffffff,ffffffff + Cpus_allowed_list: 0-127 Mems_allowed: ffffffff,ffffffff + Mems_allowed_list: 0-63 Each cpuset is represented by a directory in the cgroup file system containing (on top of the standard cgroup files) the following @@ -544,6 +546,9 @@ otherwise initial value -1 that indicates the cpuset has no request. ( 4 : search nodes in a chunk of node [on NUMA system] ) ( 5 : search system wide [on NUMA system] ) +The system default is architecture dependent. The system default +can be changed using the relax_domain_level= boot parameter. + This file is per-cpuset and affect the sched domain where the cpuset belongs to. Therefore if the flag 'sched_load_balance' of a cpuset is disabled, then 'sched_relax_domain_level' have no effect since diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 5b3f31faed5..46ece3fba6f 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -312,3 +312,12 @@ When: 2.6.26 Why: Implementation became generic; users should now include linux/semaphore.h instead. Who: Matthew Wilcox <willy@linux.intel.com> + +--------------------------- + +What: CONFIG_THERMAL_HWMON +When: January 2009 +Why: This option was introduced just to allow older lm-sensors userspace + to keep working over the upgrade to 2.6.26. At the scheduled time of + removal fixed lm-sensors (2.x or 3.x) should be readily available. +Who: Rene Herman <rene.herman@gmail.com> diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index ee75cbace28..d4cd4126d1a 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients @@ -25,12 +25,23 @@ routines, and should be zero-initialized except for fields with data you provide. A client structure holds device-specific information like the driver model device node, and its I2C address. +/* iff driver uses driver model ("new style") binding model: */ + +static struct i2c_device_id foo_idtable[] = { + { "foo", my_id_for_foo }, + { "bar", my_id_for_bar }, + { } +}; + +MODULE_DEVICE_TABLE(i2c, foo_idtable); + static struct i2c_driver foo_driver = { .driver = { .name = "foo", }, /* iff driver uses driver model ("new style") binding model: */ + .id_table = foo_ids, .probe = foo_probe, .remove = foo_remove, @@ -173,10 +184,9 @@ handle may be used during foo_probe(). If foo_probe() reports success (zero not a negative status code) it may save the handle and use it until foo_remove() returns. That binding model is used by most Linux drivers. -Drivers match devices when i2c_client.driver_name and the driver name are -the same; this approach is used in several other busses that don't have -device typing support in the hardware. The driver and module name should -match, so hotplug/coldplug mechanisms will modprobe the driver. +The probe function is called when an entry in the id_table name field +matches the device's name. It is passed the entry that was matched so +the driver knows which one in the table matched. Device Creation (Standard driver model) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e07c432c731..b52f47d588b 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -295,7 +295,7 @@ and is between 256 and 4096 characters. It is defined in the file when initialising the APIC and IO-APIC components. apm= [APM] Advanced Power Management - See header of arch/i386/kernel/apm.c. + See header of arch/x86/kernel/apm_32.c. arcrimi= [HW,NET] ARCnet - "RIM I" (entirely mem-mapped) cards Format: <io>,<irq>,<nodeID> @@ -638,7 +638,7 @@ and is between 256 and 4096 characters. It is defined in the file elanfreq= [X86-32] See comment before function elanfreq_setup() in - arch/i386/kernel/cpu/cpufreq/elanfreq.c. + arch/x86/kernel/cpu/cpufreq/elanfreq.c. elevator= [IOSCHED] Format: {"anticipatory" | "cfq" | "deadline" | "noop"} @@ -1679,6 +1679,10 @@ and is between 256 and 4096 characters. It is defined in the file Format: <reboot_mode>[,<reboot_mode2>[,...]] See arch/*/kernel/reboot.c or arch/*/kernel/process.c + relax_domain_level= + [KNL, SMP] Set scheduler's default relax_domain_level. + See Documentation/cpusets.txt. + reserve= [KNL,BUGS] Force the kernel to ignore some iomem area reservetop= [X86-32] diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 17a6e46fbd4..17f1f91af35 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -81,23 +81,23 @@ inet_peer_minttl - INTEGER Minimum time-to-live of entries. Should be enough to cover fragment time-to-live on the reassembling side. This minimum time-to-live is guaranteed if the pool size is less than inet_peer_threshold. - Measured in jiffies(1). + Measured in seconds. inet_peer_maxttl - INTEGER Maximum time-to-live of entries. Unused entries will expire after this period of time if there is no memory pressure on the pool (i.e. when the number of entries in the pool is very small). - Measured in jiffies(1). + Measured in seconds. inet_peer_gc_mintime - INTEGER Minimum interval between garbage collection passes. This interval is in effect under high memory pressure on the pool. - Measured in jiffies(1). + Measured in seconds. inet_peer_gc_maxtime - INTEGER Minimum interval between garbage collection passes. This interval is in effect under low (or absent) memory pressure on the pool. - Measured in jiffies(1). + Measured in seconds. TCP variables: @@ -794,10 +794,6 @@ tag - INTEGER Allows you to write a number, which can be used as required. Default value is 0. -(1) Jiffie: internal timeunit for the kernel. On the i386 1/100s, on the -Alpha 1/1024s. See the HZ define in /usr/include/asm/param.h for the exact -value on your system. - Alexey Kuznetsov. kuznet@ms2.inr.ac.ru diff --git a/Documentation/networking/s2io.txt b/Documentation/networking/s2io.txt index 4bde53e85f3..1e28e2ddb90 100644 --- a/Documentation/networking/s2io.txt +++ b/Documentation/networking/s2io.txt @@ -83,9 +83,9 @@ Valid range: Limited by memory on system Default: 30 e. intr_type -Specifies interrupt type. Possible values 1(INTA), 2(MSI), 3(MSI-X) -Valid range: 1-3 -Default: 1 +Specifies interrupt type. Possible values 0(INTA), 2(MSI-X) +Valid values: 0, 2 +Default: 2 5. Performance suggestions General: diff --git a/Documentation/video4linux/CARDLIST.au0828 b/Documentation/video4linux/CARDLIST.au0828 index aaae360312e..86d1c8e7b18 100644 --- a/Documentation/video4linux/CARDLIST.au0828 +++ b/Documentation/video4linux/CARDLIST.au0828 @@ -1,4 +1,4 @@ 0 -> Unknown board (au0828) - 1 -> Hauppauge HVR950Q (au0828) [2040:7200] + 1 -> Hauppauge HVR950Q (au0828) [2040:7200,2040:7210,2040:7217,2040:721b,2040:721f,2040:7280,0fd9:0008] 2 -> Hauppauge HVR850 (au0828) [2040:7240] 3 -> DViCO FusionHDTV USB (au0828) [0fe9:d620] diff --git a/Documentation/vm/slabinfo.c b/Documentation/vm/slabinfo.c index e4230ed16ee..df3227605d5 100644 --- a/Documentation/vm/slabinfo.c +++ b/Documentation/vm/slabinfo.c @@ -1,7 +1,7 @@ /* * Slabinfo: Tool to get reports about slabs * - * (C) 2007 sgi, Christoph Lameter <clameter@sgi.com> + * (C) 2007 sgi, Christoph Lameter * * Compile by: * @@ -99,7 +99,7 @@ void fatal(const char *x, ...) void usage(void) { - printf("slabinfo 5/7/2007. (c) 2007 sgi. clameter@sgi.com\n\n" + printf("slabinfo 5/7/2007. (c) 2007 sgi.\n\n" "slabinfo [-ahnpvtsz] [-d debugopts] [slab-regexp]\n" "-a|--aliases Show aliases\n" "-A|--activity Most active slabs first\n" diff --git a/Documentation/vm/slub.txt b/Documentation/vm/slub.txt index 7c13f22a0c9..bb1f5c6e28b 100644 --- a/Documentation/vm/slub.txt +++ b/Documentation/vm/slub.txt @@ -266,4 +266,4 @@ of other objects. slub_debug=FZ,dentry -Christoph Lameter, <clameter@sgi.com>, May 30, 2007 +Christoph Lameter, May 30, 2007 diff --git a/MAINTAINERS b/MAINTAINERS index 8f0ec46a709..6476125363e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -763,9 +763,10 @@ S: Maintained AUXILIARY DISPLAY DRIVERS P: Miguel Ojeda Sandonis -M: maxextreme@gmail.com +M: miguel.ojeda.sandonis@gmail.com L: linux-kernel@vger.kernel.org -W: http://auxdisplay.googlepages.com/ +W: http://miguelojeda.es/auxdisplay.htm +W: http://jair.lab.fi.uva.es/~migojed/auxdisplay.htm S: Maintained AVR32 ARCHITECTURE @@ -1055,16 +1056,18 @@ S: Supported CFAG12864B LCD DRIVER P: Miguel Ojeda Sandonis -M: maxextreme@gmail.com +M: miguel.ojeda.sandonis@gmail.com L: linux-kernel@vger.kernel.org -W: http://auxdisplay.googlepages.com/ +W: http://miguelojeda.es/auxdisplay.htm +W: http://jair.lab.fi.uva.es/~migojed/auxdisplay.htm S: Maintained CFAG12864BFB LCD FRAMEBUFFER DRIVER P: Miguel Ojeda Sandonis -M: maxextreme@gmail.com +M: miguel.ojeda.sandonis@gmail.com L: linux-kernel@vger.kernel.org -W: http://auxdisplay.googlepages.com/ +W: http://miguelojeda.es/auxdisplay.htm +W: http://jair.lab.fi.uva.es/~migojed/auxdisplay.htm S: Maintained CFG80211 and NL80211 @@ -1420,6 +1423,14 @@ M: kristen.c.accardi@intel.com L: linux-acpi@vger.kernel.org S: Supported +DOCUMENTATION (/Documentation directory) +P: Michael Kerrisk +M: mtk.manpages@gmail.com +P: Randy Dunlap +M: rdunlap@xenotime.net +L: linux-doc@vger.kernel.org +S: Maintained + DOUBLETALK DRIVER P: James R. Van Zandt M: jrv@vanzandt.mv.com @@ -1626,13 +1637,13 @@ S: Maintained EXT3 FILE SYSTEM P: Stephen Tweedie, Andrew Morton -M: sct@redhat.com, akpm@linux-foundation.org, adilger@clusterfs.com +M: sct@redhat.com, akpm@linux-foundation.org, adilger@sun.com L: linux-ext4@vger.kernel.org S: Maintained EXT4 FILE SYSTEM P: Stephen Tweedie, Andrew Morton -M: sct@redhat.com, akpm@linux-foundation.org, adilger@clusterfs.com +M: sct@redhat.com, akpm@linux-foundation.org, adilger@sun.com L: linux-ext4@vger.kernel.org S: Maintained @@ -2428,9 +2439,10 @@ S: Maintained KS0108 LCD CONTROLLER DRIVER P: Miguel Ojeda Sandonis -M: maxextreme@gmail.com +M: miguel.ojeda.sandonis@gmail.com L: linux-kernel@vger.kernel.org -W: http://auxdisplay.googlepages.com/ +W: http://miguelojeda.es/auxdisplay.htm +W: http://jair.lab.fi.uva.es/~migojed/auxdisplay.htm S: Maintained LAPB module @@ -2474,9 +2486,11 @@ M: James.Bottomley@HansenPartnership.com W: http://www.hansenpartnership.com/voyager S: Maintained -LINUX FOR POWERPC +LINUX FOR POWERPC (32-BIT AND 64-BIT) P: Paul Mackerras M: paulus@samba.org +P: Benjamin Herrenschmidt +M: benh@kernel.crashing.org W: http://www.penguinppc.org/ L: linuxppc-dev@ozlabs.org T: git kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc.git @@ -2516,13 +2530,6 @@ W: http://wiki.secretlab.ca/index.php/Linux_on_Xilinx_Virtex L: linuxppc-dev@ozlabs.org S: Maintained -LINUX FOR POWERPC BOOT CODE -P: Tom Rini -M: trini@kernel.crashing.org -W: http://www.penguinppc.org/ -L: linuxppc-dev@ozlabs.org -S: Maintained - LINUX FOR POWERPC EMBEDDED PPC8XX P: Vitaly Bordug M: vitb@kernel.crashing.org @@ -2551,17 +2558,6 @@ P: Arnaldo Carvalho de Melo M: acme@ghostprotocols.net S: Maintained -LINUX FOR 64BIT POWERPC -P: Paul Mackerras -M: paulus@samba.org -M: paulus@au.ibm.com -P: Anton Blanchard -M: anton@samba.org -M: anton@au.ibm.com -W: http://www.penguinppc.org/ppc64/ -L: linuxppc-dev@ozlabs.org -S: Supported - LINUX SECURITY MODULE (LSM) FRAMEWORK P: Chris Wright M: chrisw@sous-sol.org @@ -2680,8 +2676,8 @@ S: Supported MAN-PAGES: MANUAL PAGES FOR LINUX -- Sections 2, 3, 4, 5, and 7 P: Michael Kerrisk M: mtk.manpages@gmail.com -W: ftp://ftp.kernel.org/pub/linux/docs/manpages -S: Maintained +W: http://www.kernel.org/doc/man-pages +S: Supported MARVELL LIBERTAS WIRELESS DRIVER P: Dan Williams @@ -2814,6 +2810,12 @@ W: https://tango.0pointer.de/mailman/listinfo/s270-linux W: http://0pointer.de/lennart/tchibo.html S: Maintained +MULTIFUNCTION DEVICES (MFD) +P: Samuel Ortiz +M: sameo@openedhand.com +L: linux-kernel@vger.kernel.org +S: Supported + MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND SDIO SUBSYSTEM P: Pierre Ossman M: drzeus-mmc@drzeus.cx @@ -3195,8 +3197,8 @@ L: netdev@vger.kernel.org S: Maintained PER-TASK DELAY ACCOUNTING -P: Shailabh Nagar -M: nagar@watson.ibm.com +P: Balbir Singh +M: balbir@linux.vnet.ibm.com L: linux-kernel@vger.kernel.org S: Maintained @@ -3688,7 +3690,7 @@ S: Maintained SLAB ALLOCATOR P: Christoph Lameter -M: clameter@sgi.com +M: cl@linux-foundation.org P: Pekka Enberg M: penberg@cs.helsinki.fi P: Matt Mackall @@ -3898,8 +3900,8 @@ M: hch@infradead.org S: Maintained TASKSTATS STATISTICS INTERFACE -P: Shailabh Nagar -M: nagar@watson.ibm.com +P: Balbir Singh +M: balbir@linux.vnet.ibm.com L: linux-kernel@vger.kernel.org S: Maintained @@ -3995,7 +3997,8 @@ W: http://www.buzzard.org.uk/toshiba/ S: Maintained TPM DEVICE DRIVER -P: Kylene Hall +P: Debora Velarde +P: Rajiv Andrade M: tpmdd-devel@lists.sourceforge.net W: http://tpmdd.sourceforge.net P: Marcel Selhorst @@ -4314,6 +4317,14 @@ L: netdev@vger.kernel.org W: http://www.linux-usb.org/usbnet S: Maintained +USB VIDEO CLASS +P: Laurent Pinchart +M: laurent.pinchart@skynet.be +L: linx-uvc-devel@berlios.de +L: video4linux-list@redhat.com +W: http://linux-uvc.berlios.de +S: Maintained + USB W996[87]CF DRIVER P: Luca Risolia M: luca.risolia@studio.unibo.it @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 26 -EXTRAVERSION = -rc7 +EXTRAVERSION = -rc9 NAME = Rotary Wombat # *DOCUMENTATION* diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index f13249be17c..ef37fc1acae 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -25,6 +25,13 @@ SECTIONS } :kernel _etext = .; /* End of text section */ + NOTES :kernel :note + .dummy : { + *(.dummy) + } :kernel + + RODATA + /* Exception table */ . = ALIGN(16); __ex_table : { @@ -33,13 +40,6 @@ SECTIONS __stop___ex_table = .; } - NOTES :kernel :note - .dummy : { - *(.dummy) - } :kernel - - RODATA - /* Will be freed after init */ . = ALIGN(PAGE_SIZE); /* Init code and data */ diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 52fc6a88328..2744673314b 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -650,7 +650,8 @@ EXPORT_SYMBOL(dma_map_sg); EXPORT_SYMBOL(dma_unmap_sg); EXPORT_SYMBOL(dma_sync_single_for_cpu); EXPORT_SYMBOL(dma_sync_single_for_device); -EXPORT_SYMBOL(dma_sync_sg); +EXPORT_SYMBOL(dma_sync_sg_for_cpu); +EXPORT_SYMBOL(dma_sync_sg_for_device); EXPORT_SYMBOL(dmabounce_register_dev); EXPORT_SYMBOL(dmabounce_unregister_dev); diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 02cede295e8..dbf68dc50ae 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -42,7 +42,7 @@ #define GPMC_STATUS 0x54 #define GPMC_PREFETCH_CONFIG1 0x1e0 #define GPMC_PREFETCH_CONFIG2 0x1e4 -#define GPMC_PREFETCH_CONTROL 0x1e8 +#define GPMC_PREFETCH_CONTROL 0x1ec #define GPMC_PREFETCH_STATUS 0x1f0 #define GPMC_ECC_CONFIG 0x1f4 #define GPMC_ECC_CONTROL 0x1f8 diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c index 3e57428affe..8e813ed5751 100644 --- a/arch/arm/mach-realview/platsmp.c +++ b/arch/arm/mach-realview/platsmp.c @@ -74,6 +74,8 @@ static DEFINE_SPINLOCK(boot_lock); void __cpuinit platform_secondary_init(unsigned int cpu) { + trace_hardirqs_off(); + /* * the primary core may have used a "cross call" soft interrupt * to get this processor out of WFI in the BootMonitor - make diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index c00eda588cd..39c637b0ffe 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -501,8 +501,6 @@ static inline void omap_enable_channel_irq(int lch) /* Enable some nice interrupts. */ OMAP_DMA_CICR_REG(lch) = dma_chan[lch].enabled_irqs; - - dma_chan[lch].flags |= OMAP_DMA_ACTIVE; } static void omap_disable_channel_irq(int lch) diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 917325bfbd8..6be0c50122e 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -254,7 +254,8 @@ close_cplbtab(struct cplb_tab *table) } /* helper function */ -static void __fill_code_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end) +static void __init +__fill_code_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end) { if (cplb_data[i].psize) { fill_cplbtab(t, @@ -291,7 +292,8 @@ static void __fill_code_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_en } } -static void __fill_data_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end) +static void __init +__fill_data_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end) { if (cplb_data[i].psize) { fill_cplbtab(t, diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c index 73647c15877..07402f57c9d 100644 --- a/arch/blackfin/kernel/irqchip.c +++ b/arch/blackfin/kernel/irqchip.c @@ -60,9 +60,14 @@ static struct irq_chip bad_chip = { }; static struct irq_desc bad_irq_desc = { + .status = IRQ_DISABLED, .chip = &bad_chip, .handle_irq = handle_bad_irq, .depth = 1, + .lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock), +#ifdef CONFIG_SMP + .affinity = CPU_MASK_ALL +#endif }; int show_interrupts(struct seq_file *p, void *v) diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 082c31dcfd9..39752cdef6f 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -558,8 +558,6 @@ static struct iosapic_rte_info * __init_refok iosapic_alloc_rte (void) if (!iosapic_kmalloc_ok && list_empty(&free_rte_list)) { rte = alloc_bootmem(sizeof(struct iosapic_rte_info) * NR_PREALLOCATE_RTE_ENTRIES); - if (!rte) - return NULL; for (i = 0; i < NR_PREALLOCATE_RTE_ENTRIES; i++, rte++) list_add(&rte->rte_list, &free_rte_list); } diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index f48a809c686..632cda8f2e7 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -547,7 +547,8 @@ setup_arch (char **cmdline_p) # ifdef CONFIG_ACPI_NUMA acpi_numa_init(); per_cpu_scan_finalize((cpus_weight(early_cpu_possible_map) == 0 ? - 32 : cpus_weight(early_cpu_possible_map)), additional_cpus); + 32 : cpus_weight(early_cpu_possible_map)), + additional_cpus > 0 ? additional_cpus : 0); # endif #else # ifdef CONFIG_SMP @@ -578,8 +579,6 @@ setup_arch (char **cmdline_p) cpu_init(); /* initialize the bootstrap CPU */ mmu_context_init(); /* initialize context_id bitmap */ - check_sal_cache_flush(); - #ifdef CONFIG_ACPI acpi_boot_init(); #endif @@ -607,6 +606,7 @@ setup_arch (char **cmdline_p) ia64_mca_init(); platform_setup(cmdline_p); + check_sal_cache_flush(); paging_init(); } diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 8c73643f2d6..aad1b7b1fff 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -117,6 +117,7 @@ void account_system_vtime(struct task_struct *tsk) local_irq_restore(flags); } +EXPORT_SYMBOL_GPL(account_system_vtime); /* * Called from the timer interrupt handler to charge accumulated user time diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c index 6dd886c5d86..e585f9a2afb 100644 --- a/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c @@ -512,7 +512,7 @@ static ssize_t sn2_ptc_proc_write(struct file *file, const char __user *user, si int cpu; char optstr[64]; - if (count > sizeof(optstr)) + if (count == 0 || count > sizeof(optstr)) return -EINVAL; if (copy_from_user(optstr, user, count)) return -EFAULT; diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index e5a7c5d9636..24c5dee9176 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1006,7 +1006,7 @@ config BOOT_ELF32 config MIPS_L1_CACHE_SHIFT int default "4" if MACH_DECSTATION - default "7" if SGI_IP27 || SGI_IP28 || SNI_RM + default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM default "4" if PMC_MSP4200_EVAL default "5" diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c index 795cb8fb0d7..b5fc4eb412d 100644 --- a/arch/mips/kernel/cevt-txx9.c +++ b/arch/mips/kernel/cevt-txx9.c @@ -161,6 +161,9 @@ void __init txx9_tmr_init(unsigned long baseaddr) struct txx9_tmr_reg __iomem *tmrptr; tmrptr = ioremap(baseaddr, sizeof(struct txx9_tmr_reg)); + /* Start once to make CounterResetEnable effective */ + __raw_writel(TXx9_TMTCR_CRE | TXx9_TMTCR_TCE, &tmrptr->tcr); + /* Stop and reset the counter */ __raw_writel(TXx9_TMTCR_CRE, &tmrptr->tcr); __raw_writel(0, &tmrptr->tisr); __raw_writel(0xffffffff, &tmrptr->cpra); diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c index 76935e32021..27a5b466c85 100644 --- a/arch/mips/mm/c-r3k.c +++ b/arch/mips/mm/c-r3k.c @@ -26,7 +26,7 @@ static unsigned long icache_size, dcache_size; /* Size in bytes */ static unsigned long icache_lsize, dcache_lsize; /* Size in bytes */ -unsigned long __init r3k_cache_size(unsigned long ca_flags) +unsigned long __cpuinit r3k_cache_size(unsigned long ca_flags) { unsigned long flags, status, dummy, size; volatile unsigned long *p; @@ -61,7 +61,7 @@ unsigned long __init r3k_cache_size(unsigned long ca_flags) return size * sizeof(*p); } -unsigned long __init r3k_cache_lsize(unsigned long ca_flags) +unsigned long __cpuinit r3k_cache_lsize(unsigned long ca_flags) { unsigned long flags, status, lsize, i; volatile unsigned long *p; @@ -90,7 +90,7 @@ unsigned long __init r3k_cache_lsize(unsigned long ca_flags) return lsize * sizeof(*p); } -static void __init r3k_probe_cache(void) +static void __cpuinit r3k_probe_cache(void) { dcache_size = r3k_cache_size(ST0_ISC); if (dcache_size) diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c index 1edf0cbbeed..1417c649485 100644 --- a/arch/mips/mm/page.c +++ b/arch/mips/mm/page.c @@ -235,13 +235,12 @@ static void __cpuinit set_prefetch_parameters(void) } /* * Too much unrolling will overflow the available space in - * clear_space_array / copy_page_array. 8 words sounds generous, - * but a R4000 with 128 byte L2 line length can exceed even that. + * clear_space_array / copy_page_array. */ - half_clear_loop_size = min(8 * clear_word_size, + half_clear_loop_size = min(16 * clear_word_size, max(cache_line_size >> 1, 4 * clear_word_size)); - half_copy_loop_size = min(8 * copy_word_size, + half_copy_loop_size = min(16 * copy_word_size, max(cache_line_size >> 1, 4 * copy_word_size)); } @@ -263,21 +262,23 @@ static inline void __cpuinit build_clear_pref(u32 **buf, int off) if (pref_bias_clear_store) { uasm_i_pref(buf, pref_dst_mode, pref_bias_clear_store + off, A0); - } else if (cpu_has_cache_cdex_s) { - uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); - } else if (cpu_has_cache_cdex_p) { - if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { - uasm_i_nop(buf); - uasm_i_nop(buf); - uasm_i_nop(buf); - uasm_i_nop(buf); - } + } else if (cache_line_size == (half_clear_loop_size << 1)) { + if (cpu_has_cache_cdex_s) { + uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); + } else if (cpu_has_cache_cdex_p) { + if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { + uasm_i_nop(buf); + uasm_i_nop(buf); + uasm_i_nop(buf); + uasm_i_nop(buf); + } - if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) - uasm_i_lw(buf, ZERO, ZERO, AT); + if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) + uasm_i_lw(buf, ZERO, ZERO, AT); - uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); - } + uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); + } + } } void __cpuinit build_clear_page(void) @@ -403,20 +404,22 @@ static inline void build_copy_store_pref(u32 **buf, int off) if (pref_bias_copy_store) { uasm_i_pref(buf, pref_dst_mode, pref_bias_copy_store + off, A0); - } else if (cpu_has_cache_cdex_s) { - uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); - } else if (cpu_has_cache_cdex_p) { - if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { - uasm_i_nop(buf); - uasm_i_nop(buf); - uasm_i_nop(buf); - uasm_i_nop(buf); - } + } else if (cache_line_size == (half_copy_loop_size << 1)) { + if (cpu_has_cache_cdex_s) { + uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); + } else if (cpu_has_cache_cdex_p) { + if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { + uasm_i_nop(buf); + uasm_i_nop(buf); + uasm_i_nop(buf); + uasm_i_nop(buf); + } - if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) - uasm_i_lw(buf, ZERO, ZERO, AT); + if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) + uasm_i_lw(buf, ZERO, ZERO, AT); - uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); + uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); + } } } diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c index fc227f3b119..e3abfb2d7e8 100644 --- a/arch/mips/mm/sc-rm7k.c +++ b/arch/mips/mm/sc-rm7k.c @@ -86,7 +86,7 @@ static void rm7k_sc_inv(unsigned long addr, unsigned long size) /* * This function is executed in uncached address space. */ -static __init void __rm7k_sc_enable(void) +static __cpuinit void __rm7k_sc_enable(void) { int i; @@ -107,7 +107,7 @@ static __init void __rm7k_sc_enable(void) } } -static __init void rm7k_sc_enable(void) +static __cpuinit void rm7k_sc_enable(void) { if (read_c0_config() & RM7K_CONF_SE) return; diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c index b0ea0e43ba4..0d6b6663d5f 100644 --- a/arch/mips/sgi-ip32/ip32-irq.c +++ b/arch/mips/sgi-ip32/ip32-irq.c @@ -425,6 +425,11 @@ static void ip32_irq0(void) BUILD_BUG_ON(MACEISA_SERIAL2_RDMAOR_IRQ - MACEISA_AUDIO_SW_IRQ != 31); crime_int = crime->istat & crime_mask; + + /* crime sometime delivers spurious interrupts, ignore them */ + if (unlikely(crime_int == 0)) + return; + irq = MACE_VID_IN1_IRQ + __ffs(crime_int); if (crime_int & CRIME_MACEISA_INT_MASK) { diff --git a/arch/mn10300/kernel/mn10300_ksyms.c b/arch/mn10300/kernel/mn10300_ksyms.c index 6d19628634e..f9eb9753a40 100644 --- a/arch/mn10300/kernel/mn10300_ksyms.c +++ b/arch/mn10300/kernel/mn10300_ksyms.c @@ -10,8 +10,11 @@ */ #include <linux/module.h> #include <asm/uaccess.h> +#include <asm/pgtable.h> +EXPORT_SYMBOL(empty_zero_page); + EXPORT_SYMBOL(change_bit); EXPORT_SYMBOL(test_and_change_bit); @@ -31,7 +34,9 @@ extern u64 __ashrdi3(u64, unsigned); extern u64 __ashldi3(u64, unsigned); extern u64 __lshrdi3(u64, unsigned); extern s64 __negdi2(s64); +extern int __ucmpdi2(u64, u64); EXPORT_SYMBOL(__ashrdi3); EXPORT_SYMBOL(__ashldi3); EXPORT_SYMBOL(__lshrdi3); EXPORT_SYMBOL(__negdi2); +EXPORT_SYMBOL(__ucmpdi2); diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c index 9c623c88387..b28c9a60445 100644 --- a/arch/mn10300/kernel/process.c +++ b/arch/mn10300/kernel/process.c @@ -153,6 +153,7 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); } +EXPORT_SYMBOL(kernel_thread); /* * free current thread data structures etc.. diff --git a/arch/mn10300/lib/Makefile b/arch/mn10300/lib/Makefile index fdfa9ec5b5b..0cd2346f4c1 100644 --- a/arch/mn10300/lib/Makefile +++ b/arch/mn10300/lib/Makefile @@ -4,4 +4,4 @@ lib-y = delay.o usercopy.o checksum.o bitops.o memcpy.o memmove.o memset.o lib-y += do_csum.o -lib-y += __ashldi3.o __ashrdi3.o __lshrdi3.o negdi2.o +lib-y += __ashldi3.o __ashrdi3.o __lshrdi3.o negdi2.o __ucmpdi2.o diff --git a/arch/mn10300/lib/__ucmpdi2.S b/arch/mn10300/lib/__ucmpdi2.S new file mode 100644 index 00000000000..60dcbdfe386 --- /dev/null +++ b/arch/mn10300/lib/__ucmpdi2.S @@ -0,0 +1,43 @@ +/* __ucmpdi2.S: 64-bit unsigned compare + * + * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + + + .text + .p2align 4 + +############################################################################### +# +# int __ucmpdi2(unsigned long long a [D0:D1], +# unsigned long long b [(SP,12),(SP,16)]) +# +# - returns 0, 1, or 2 as a <, =, > b respectively. +# +############################################################################### + .globl __ucmpdi2 + .type __ucmpdi2,@function +__ucmpdi2: + mov (12,sp),a0 # b.lsw + mov (16,sp),a1 # b.msw + + sub a0,d0 + subc a1,d1 # may clear Z, never sets it + bne __ucmpdi2_differ # a.msw != b.msw + mov +1,d0 + rets + +__ucmpdi2_differ: + # C flag is set if LE, clear if GE + subc d0,d0 # -1 if LE, 0 if GE + add +1,d0 # 0 if LE, 1 if GE + add d0,d0 # 0 if LE, 2 if GE + rets + + .size __ucmpdi2, .-__ucmpdi2 diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 1cee2f9fdf0..095e04db1c0 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -273,7 +273,8 @@ endif initrd- := $(patsubst zImage%, zImage.initrd%, $(image-n) $(image-)) initrd-y := $(patsubst zImage%, zImage.initrd%, \ $(patsubst dtbImage%, dtbImage.initrd%, \ - $(patsubst treeImage%, treeImage.initrd%, $(image-y)))) + $(patsubst simpleImage%, simpleImage.initrd%, \ + $(patsubst treeImage%, treeImage.initrd%, $(image-y))))) initrd-y := $(filter-out $(image-y), $(initrd-y)) targets += $(image-y) $(initrd-y) diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 61dd17449dd..4d96e1db55e 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -33,13 +33,14 @@ static struct legacy_serial_info { phys_addr_t taddr; } legacy_serial_infos[MAX_LEGACY_SERIAL_PORTS]; -static struct __initdata of_device_id parents[] = { +static struct __initdata of_device_id legacy_serial_parents[] = { {.type = "soc",}, {.type = "tsi-bridge",}, {.type = "opb", }, {.compatible = "ibm,opb",}, {.compatible = "simple-bus",}, {.compatible = "wrs,epld-localbus",}, + {}, }; static unsigned int legacy_serial_count; @@ -136,6 +137,11 @@ static int __init add_legacy_soc_port(struct device_node *np, if (of_get_property(np, "clock-frequency", NULL) == NULL) return -1; + /* if reg-shift or offset, don't try to use it */ + if ((of_get_property(np, "reg-shift", NULL) != NULL) || + (of_get_property(np, "reg-offset", NULL) != NULL)) + return -1; + /* if rtas uses this device, don't try to use it as well */ if (of_get_property(np, "used-by-rtas", NULL) != NULL) return -1; @@ -322,7 +328,7 @@ void __init find_legacy_serial_ports(void) struct device_node *parent = of_get_parent(np); if (!parent) continue; - if (of_match_node(parents, parent) != NULL) { + if (of_match_node(legacy_serial_parents, parent) != NULL) { index = add_legacy_soc_port(np, np); if (index >= 0 && np == stdout) legacy_serial_console = index; diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index e79ad8afda0..3f37a6e6277 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -76,6 +76,8 @@ struct of_device* of_platform_device_create(struct device_node *np, return NULL; dev->dma_mask = 0xffffffffUL; + dev->dev.coherent_dma_mask = DMA_32BIT_MASK; + dev->dev.bus = &of_platform_bus_type; /* We do not fill the DMA ops for platform devices by default. diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c index 41c7fd91e99..fe92e65103e 100644 --- a/arch/powerpc/platforms/52xx/lite5200_pm.c +++ b/arch/powerpc/platforms/52xx/lite5200_pm.c @@ -14,6 +14,7 @@ static struct mpc52xx_sdma __iomem *bes; static struct mpc52xx_xlb __iomem *xlb; static struct mpc52xx_gpio __iomem *gps; static struct mpc52xx_gpio_wkup __iomem *gpw; +static void __iomem *pci; static void __iomem *sram; static const int sram_size = 0x4000; /* 16 kBytes */ static void __iomem *mbar; @@ -50,6 +51,8 @@ static int lite5200_pm_prepare(void) { .type = "builtin", .compatible = "mpc5200", }, /* efika */ {} }; + u64 regaddr64 = 0; + const u32 *regaddr_p; /* deep sleep? let mpc52xx code handle that */ if (lite5200_pm_target_state == PM_SUSPEND_STANDBY) @@ -60,8 +63,12 @@ static int lite5200_pm_prepare(void) /* map registers */ np = of_find_matching_node(NULL, immr_ids); - mbar = of_iomap(np, 0); + regaddr_p = of_get_address(np, 0, NULL, NULL); + if (regaddr_p) + regaddr64 = of_translate_address(np, regaddr_p); of_node_put(np); + + mbar = ioremap((u32) regaddr64, 0xC000); if (!mbar) { printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__); return -ENOSYS; @@ -71,6 +78,7 @@ static int lite5200_pm_prepare(void) pic = mbar + 0x500; gps = mbar + 0xb00; gpw = mbar + 0xc00; + pci = mbar + 0xd00; bes = mbar + 0x1200; xlb = mbar + 0x1f00; sram = mbar + 0x8000; @@ -85,6 +93,7 @@ static struct mpc52xx_sdma sbes; static struct mpc52xx_xlb sxlb; static struct mpc52xx_gpio sgps; static struct mpc52xx_gpio_wkup sgpw; +static char spci[0x200]; static void lite5200_save_regs(void) { @@ -94,6 +103,7 @@ static void lite5200_save_regs(void) _memcpy_fromio(&sxlb, xlb, sizeof(*xlb)); _memcpy_fromio(&sgps, gps, sizeof(*gps)); _memcpy_fromio(&sgpw, gpw, sizeof(*gpw)); + _memcpy_fromio(spci, pci, 0x200); _memcpy_fromio(saved_sram, sram, sram_size); } @@ -103,6 +113,8 @@ static void lite5200_restore_regs(void) int i; _memcpy_toio(sram, saved_sram, sram_size); + /* PCI Configuration */ + _memcpy_toio(pci, spci, 0x200); /* * GPIOs. Interrupt Master Enable has higher address then other diff --git a/arch/um/Makefile b/arch/um/Makefile index dbeab15e7bb..ca40397017b 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -77,7 +77,6 @@ include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS) KERNEL_DEFINES = $(strip -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \ -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES)) KBUILD_CFLAGS += $(KERNEL_DEFINES) -KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,) PHONY += linux diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386 index 561e373bd85..302cbe50454 100644 --- a/arch/um/Makefile-i386 +++ b/arch/um/Makefile-i386 @@ -32,4 +32,11 @@ cflags-y += $(call cc-option,-mpreferred-stack-boundary=2) # an unresolved reference. cflags-y += -ffreestanding +# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use +# a lot more stack due to the lack of sharing of stacklots. Also, gcc +# 4.3.0 needs -funit-at-a-time for extern inline functions. +KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \ + echo $(call cc-option,-fno-unit-at-a-time); \ + else echo $(call cc-option,-funit-at-a-time); fi ;) + KBUILD_CFLAGS += $(cflags-y) diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64 index 8ed362f9358..a9cd7e77a7a 100644 --- a/arch/um/Makefile-x86_64 +++ b/arch/um/Makefile-x86_64 @@ -21,3 +21,6 @@ HEADER_ARCH := x86 LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64 LINK-y += -m64 + +# Do unit-at-a-time unconditionally on x86_64, following the host +KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 52e18e6d2ba..bf07b6f50fa 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -383,6 +383,7 @@ config VMI config KVM_CLOCK bool "KVM paravirtualized clock" select PARAVIRT + select PARAVIRT_CLOCK depends on !(X86_VISWS || X86_VOYAGER) help Turning on this option will allow you to run a paravirtualized clock @@ -410,6 +411,10 @@ config PARAVIRT over full virtualization. However, when run without a hypervisor the kernel is theoretically slower and slightly larger. +config PARAVIRT_CLOCK + bool + default n + endif config MEMTEST_BOOTPARAM @@ -961,8 +966,8 @@ config NUMA_EMU number of nodes. This is only useful for debugging. config NODES_SHIFT - int "Max num nodes shift(1-15)" - range 1 15 if X86_64 + int "Max num nodes shift(1-9)" + range 1 9 if X86_64 default "6" if X86_64 default "4" if X86_NUMAQ default "3" diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 5e618c3b472..77807d4769c 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -82,6 +82,7 @@ obj-$(CONFIG_VMI) += vmi_32.o vmiclock_32.o obj-$(CONFIG_KVM_GUEST) += kvm.o obj-$(CONFIG_KVM_CLOCK) += kvmclock.o obj-$(CONFIG_PARAVIRT) += paravirt.o paravirt_patch_$(BITS).o +obj-$(CONFIG_PARAVIRT_CLOCK) += pvclock.o obj-$(CONFIG_PCSPKR_PLATFORM) += pcspeaker.o diff --git a/arch/x86/kernel/acpi/realmode/wakeup.S b/arch/x86/kernel/acpi/realmode/wakeup.S index f9b77fb37e5..3355973b12a 100644 --- a/arch/x86/kernel/acpi/realmode/wakeup.S +++ b/arch/x86/kernel/acpi/realmode/wakeup.S @@ -5,6 +5,7 @@ #include <asm/msr-index.h> #include <asm/page.h> #include <asm/pgtable.h> +#include <asm/processor-flags.h> .code16 .section ".header", "a" @@ -24,6 +25,11 @@ pmode_gdt: .quad 0 realmode_flags: .long 0 real_magic: .long 0 trampoline_segment: .word 0 +_pad1: .byte 0 +wakeup_jmp: .byte 0xea /* ljmpw */ +wakeup_jmp_off: .word 3f +wakeup_jmp_seg: .word 0 +wakeup_gdt: .quad 0, 0, 0 signature: .long 0x51ee1111 .text @@ -34,11 +40,34 @@ _start: cli cld + /* Apparently some dimwit BIOS programmers don't know how to + program a PM to RM transition, and we might end up here with + junk in the data segment descriptor registers. The only way + to repair that is to go into PM and fix it ourselves... */ + movw $16, %cx + lgdtl %cs:wakeup_gdt + movl %cr0, %eax + orb $X86_CR0_PE, %al + movl %eax, %cr0 + jmp 1f +1: ljmpw $8, $2f +2: + movw %cx, %ds + movw %cx, %es + movw %cx, %ss + movw %cx, %fs + movw %cx, %gs + + andb $~X86_CR0_PE, %al + movl %eax, %cr0 + jmp wakeup_jmp +3: /* Set up segments */ movw %cs, %ax movw %ax, %ds movw %ax, %es movw %ax, %ss + lidtl wakeup_idt movl $wakeup_stack_end, %esp @@ -98,7 +127,14 @@ bogus_real_magic: jmp 1b .data - .balign 4 + .balign 8 + + /* This is the standard real-mode IDT */ +wakeup_idt: + .word 0xffff /* limit */ + .long 0 /* address */ + .word 0 + .globl HEAP, heap_end HEAP: .long wakeup_heap diff --git a/arch/x86/kernel/acpi/realmode/wakeup.h b/arch/x86/kernel/acpi/realmode/wakeup.h index ef8166fe802..69d38d0b2b6 100644 --- a/arch/x86/kernel/acpi/realmode/wakeup.h +++ b/arch/x86/kernel/acpi/realmode/wakeup.h @@ -24,6 +24,11 @@ struct wakeup_header { u32 realmode_flags; u32 real_magic; u16 trampoline_segment; /* segment with trampoline code, 64-bit only */ + u8 _pad1; + u8 wakeup_jmp; + u16 wakeup_jmp_off; + u16 wakeup_jmp_seg; + u64 wakeup_gdt[3]; u32 signature; /* To check we have correct structure */ } __attribute__((__packed__)); diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index afc25ee9964..36af01f029e 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -50,6 +50,20 @@ int acpi_save_state_mem(void) header->video_mode = saved_video_mode; + header->wakeup_jmp_seg = acpi_wakeup_address >> 4; + /* GDT[0]: GDT self-pointer */ + header->wakeup_gdt[0] = + (u64)(sizeof(header->wakeup_gdt) - 1) + + ((u64)(acpi_wakeup_address + + ((char *)&header->wakeup_gdt - (char *)acpi_realmode)) + << 16); + /* GDT[1]: real-mode-like code segment */ + header->wakeup_gdt[1] = (0x009bULL << 40) + + ((u64)acpi_wakeup_address << 16) + 0xffff; + /* GDT[2]: real-mode-like data segment */ + header->wakeup_gdt[2] = (0x0093ULL << 40) + + ((u64)acpi_wakeup_address << 16) + 0xffff; + #ifndef CONFIG_64BIT store_gdt((struct desc_ptr *)&header->pmode_gdt); @@ -111,7 +125,7 @@ void __init acpi_reserve_bootmem(void) return; } - acpi_wakeup_address = acpi_realmode; + acpi_wakeup_address = virt_to_phys((void *)acpi_realmode); } diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c index 5d23d85624d..4b63c8e1f13 100644 --- a/arch/x86/kernel/efi_32.c +++ b/arch/x86/kernel/efi_32.c @@ -49,13 +49,13 @@ void efi_call_phys_prelog(void) local_irq_save(efi_rt_eflags); /* - * If I don't have PSE, I should just duplicate two entries in page - * directory. If I have PSE, I just need to duplicate one entry in + * If I don't have PAE, I should just duplicate two entries in page + * directory. If I have PAE, I just need to duplicate one entry in * page directory. */ cr4 = read_cr4(); - if (cr4 & X86_CR4_PSE) { + if (cr4 & X86_CR4_PAE) { efi_bak_pg_dir_pointer[0].pgd = swapper_pg_dir[pgd_index(0)].pgd; swapper_pg_dir[0].pgd = @@ -93,7 +93,7 @@ void efi_call_phys_epilog(void) cr4 = read_cr4(); - if (cr4 & X86_CR4_PSE) { + if (cr4 & X86_CR4_PAE) { swapper_pg_dir[pgd_index(0)].pgd = efi_bak_pg_dir_pointer[0].pgd; } else { diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S |