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* Add IORESOUCE_BUSY flag for System RAMYasunori Goto2007-11-14
| | | | | | | | | | | | | | | | | | | | | i386 and x86-64 registers System RAM as IORESOURCE_MEM | IORESOURCE_BUSY. But ia64 registers it as IORESOURCE_MEM only. In addition, memory hotplug code registers new memory as IORESOURCE_MEM too. This difference causes a failure of memory unplug of x86-64. This patch fixes it. This patch adds IORESOURCE_BUSY to avoid potential overlap mapping by PCI device. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Cc: Luck, Tony" <tony.luck@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [IA64] IOSAPIC bogus error cleanupGeorge Beshers2007-11-09
| | | | | | | | | | | On Altix (sn2) machines the "Error parsing MADT" message is misleading because the lack of IOSAPIC entries is expected. Since I am sure someone will ask, I have been told that the chance of this changing anytime soon is close to nil. Signed-off-by: George Beshers <gbeshers@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Update printing of feature set bitsRuss Anderson2007-11-09
| | | | | | | | | | | Newer Itanium versions have added additional processor feature set bits. This patch prints all the implemented feature set bits. Some bit descriptions have not been made public. For those bits, a generic "Feature set X bit Y" message is printed. Bits that are not implemented will no longer be printed. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Fix IOSAPIC delivery mode settingKenji Kaneshige2007-11-09
| | | | | | | | | Fix the problem that redirect hit bit in I/O SAPIC RTE is set even when it must be disabled (e.g. nointroute boot option is set, CPU hotplug is enabled or percpu vector is enabled). Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] XPC heartbeat timer function must run on CPU 0Dean Nelson2007-11-09
| | | | | | | | | | | | Currently, XPC's heartbeat timer function runs on whatever CPU modprobe/insmod ran on when XPC was started. To avoid the heartbeat from being delayed for long periods the timer function must run on CPU 0. N.B. Altix doesn't currently allow cpu0 to be taken offline, so this is safe for now. This code must be revised when offline of cpu0 is enabled. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Clean up /proc/interrupts outputKenji Kaneshige2007-11-06
| | | | | | | | Clean up /proc/interrupts output on the system that has 10 or more CPUs. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Disable/re-enable CPE interrupts on AltixRuss Anderson2007-11-06
| | | | | | | | | | | | When the CPE handler encounters too many CPEs (such as a solid single bit memory error), it sets up a polling timer and disables the CPE interrupt (to avoid excessive overhead logging the stream of single bit errors). disable_irq_nosync() calls chip->disable() to provide a chipset specifiec interface for disabling the interrupt. This patch adds the Altix specific support to disable and re-enable the CPE interrupt. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Clean-up McKinley Errata messageRuss Anderson2007-11-06
| | | | | | | | No need to print "McKinley Errata 9 workaround not needed; disabling it" on every non-McKinley Itanium, which at this point is almost all of them. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Add gate.lds to list of files ignored by GitPeter Chubb2007-11-06
| | | | | | | | | | | If you build the kernel `in-place' then do a git update, git complains about arch/ia64/kernel/gate.lds being modified and untracked. Add that (generated) file to a .gitignore file. Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Fix section mismatch in contig.c version of per_cpu_init()Tony Luck2007-11-06
| | | | | | | | | | | | | | | | | | | | | There is a section mismatch when building CONFIG_FLATMEM=y kernels that also have CONFIG_HOTPLUG_CPU=y WARNING: vmlinux.o(.text+0x5a902): Section mismatch: reference to \ .init.text:__alloc_bootmem (between 'per_cpu_init' and 'count_pages') The issue occurs because per_cpu_init() in mm/contig.c is marked __cpuinit (which is #define'd to nothing on a hot plug cpu configuration) call __alloc_bootmem() (which is an __init function). The usage is actually safe because the __alloc_bootmem() is inside an "if (first_time)" test so that the call is only made while it is still legal to do so. But the warning is irritating. Move the allocation to find_memory(). Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Wrong args to memset in efi_gettimeofday()Li Zefan2007-11-06
| | | | | | | | | | Not sizeof(ptr) ... we meant to say sizeof(*ptr). Also moved the memset to the error path (the normal path overwrites every field in the structure anyway) -Tony Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Remove duplicate includes from ia32priv.hLucas Woods2007-11-06
| | | | | | | Don't need asm/processor.h twice Signed-off-by: Lucas Woods <woodzy@gmail.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] fix number of bytes zeroed by sys_fw_init() in ↵Roel Kluin2007-11-06
| | | | | | | | | | | arch/ia64/hp/sim/boot/fw-emu.c The sizeof a pointer is constant, we want the sizeof what is pointed to. Zero out 'sizeof(*efi_systab)' bytes of the efi_system_table_t pointer 'efi_systab' instead. Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Fix perfmon sysctl directory modesTony Luck2007-11-06
| | | | | | | | | | New sanity checks in sysctl_check_table() complain about a couple of mode 0755 that should be 0555 in the perfmon code: sysctl table check failed: /kernel .1 Writable sysctl directory sysctl table check failed: /kernel/perfmon Writable sysctl directory Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Fix incorrect return value from ia64_setup_msi_irq()Kenji Kaneshige2007-10-30
| | | | | | | | | Fix the problem that pci_enable_msi() fails on ia64 platform. The cause of this problem is incorrect return value of ia64_setup_msi_irq(). It must return 0 on success, instead of irq number. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] arch/ia64/sn/kernel/mca.c: undo lock when sn_oemdata can't be extendedRoel Kluin2007-10-29
| | | | | | | | | | Clean up locking state in failure path. Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Cc: Jes Sorensen <jes@trained-monkey.org> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] update sn2 defconfig to 64kb pagesJes Sorensen2007-10-29
| | | | | | | | Update sn2_defconfig to select 64KB page size, as well as include new config options. Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] /proc/cpuinfo "physical id" field cleanupsAlex Chiang2007-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up the process for presenting the "physical id" field in /proc/cpuinfo. - remove global smp_num_cpucores, as it is mostly useless - remove check_for_logical_procs(), since we do the same functionality in identify_siblings() - reflow logic in identify_siblings(). If an older CPU does not implement PAL_LOGICAL_TO_PHYSICAL, we may still be able to get useful information from SAL_PHYSICAL_ID_INFO - in identify_siblings(), threads/cores are a property of the CPU, not the platform - remove useless printk's about multi-core / thread capability in identify_siblings(), as that information is readily available in /proc/cpuinfo, and printing for the BSP only adds little value - smp_num_siblings is now meaningful if any CPU in the system supports threads, not just the BSP - expose "physical id" field, even on CPUs that are not multi-core / multi-threaded (as long as we have a valid value). Now we know what sockets Madisons live in too. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] vDSO vs --build-idRoland McGrath2007-10-29
| | | | | | | | When gcc uses --build-id by default, the gate.lds.S linker script runs afoul of the new note section and produces a bad DSO image. This fixes it. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] check-segrel.lds vs --build-idRoland McGrath2007-10-29
| | | | | | | | | Some versions of ld with --build-id support will crash when using the flag with a linker script that discards notes. This bites ia64's check-segrel.lds. The bug is easy to avoid. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] vmcore_find_descriptor_size should be in __initSimon Horman2007-10-29
| | | | | | | | | vmcore_find_descriptor_size() is only called by reserve_elfcorehdr(), which is in __init, so it seems to me that vmcore_find_descriptor_size() should be there too. Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] ia64/mm/init.c: fix section mismatchesAdrian Bunk2007-10-29
| | | | | | | | | | | | | | | | This patch fixes the following section mismatches: <-- snip --> ... WARNING: vmlinux.o(.text+0x5b5c2): Section mismatch: reference to .init.text:memmap_init_zone (between 'memmap_init' and 'virtual_memmap_init') WARNING: vmlinux.o(.text+0x5b842): Section mismatch: reference to .init.text:memmap_init_zone (between 'virtual_memmap_init' and 'ia64_mmu_init') ... <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
* Merge branch 'sg' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2007-10-22
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | * 'sg' of git://git.kernel.dk/linux-2.6-block: Add CONFIG_DEBUG_SG sg validation Change table chaining layout Update arch/ to use sg helpers Update swiotlb to use sg helpers Update net/ to use sg helpers Update fs/ to use sg helpers [SG] Update drivers to use sg helpers [SG] Update crypto/ to sg helpers [SG] Update block layer to use sg helpers [SG] Add helpers for manipulating SG entries
| * Update arch/ to use sg helpersJens Axboe2007-10-22
| | | | | | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* | kexec: add BSS to resource treeBernhard Walle2007-10-22
|/ | | | | | | | | | | | | | | | | | | | | | | | Add the BSS to the resource tree just as kernel text and kernel data are in the resource tree. The main reason behind this is to avoid crashkernel reservation in that area. While it's not strictly necessary to have the BSS in the resource tree (the actual collision detection is done in the reserve_bootmem() function before), the usage of the BSS resource should be presented to the user in /proc/iomem just as Kernel data and Kernel code. Note: The patch currently is only implemented for x86 and ia64 (because efi_initialize_iomem_resources() has the same signature on i386 and ia64). [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Cc: <linux-arch@vger.kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* typo fixesMatt LaPlante2007-10-19
| | | | | | | | | | | | Most of these fixes were already submitted for old kernel versions, and were approved, but for some reason they never made it into the releases. Because this is a consolidation of a couple old missed patches, it touches both Kconfigs and documentation texts. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* Combine instrumentation menus in kernel/Kconfig.instrumentationMathieu Desnoyers2007-10-19
| | | | | | | | | | | | | | | | | Quoting Randy: "It seems sad that this patch sources Kconfig.marker, a 7-line file, 20-something times. Yes, you (we) don't want to put those 7 lines into 20-something different files, so sourcing is the right thing. However, what you did for avr32 seems more on the right track to me: make _one_ Instrumentation support menu that includes PROFILING, OPROFILE, KPROBES, and MARKERS and then use (source) that in all of the arches." Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Use extended crashkernel command line on ia64Bernhard Walle2007-10-19
| | | | | | | | | | | | | | | | | | | | | This patch adapts IA64 to use the generic parse_crashkernel() function instead of its own parsing for the crashkernel command line. Because the total amount of System RAM must be known when calling this function, efi_memmap_init() is modified to return its accumulated total_memory variable. Also, the crashkernel handling is moved in an own function in arch/ia64/kernel/setup.c to make the code more readable. [kamalesh@linux.vnet.ibm.com: build fix] Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Use helpers to obtain task pid in printks (arch code)Alexey Dobriyan2007-10-19
| | | | | | | | | | | | | | | One of the easiest things to isolate is the pid printed in kernel log. There was a patch, that made this for arch-independent code, this one makes so for arch/xxx files. It took some time to cross-compile it, but hopefully these are all the printks in arch code. Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* pid namespaces: changes to show virtual ids to userPavel Emelyanov2007-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the largest patch in the set. Make all (I hope) the places where the pid is shown to or get from user operate on the virtual pids. The idea is: - all in-kernel data structures must store either struct pid itself or the pid's global nr, obtained with pid_nr() call; - when seeking the task from kernel code with the stored id one should use find_task_by_pid() call that works with global pids; - when showing pid's numerical value to the user the virtual one should be used, but however when one shows task's pid outside this task's namespace the global one is to be used; - when getting the pid from userspace one need to consider this as the virtual one and use appropriate task/pid-searching functions. [akpm@linux-foundation.org: build fix] [akpm@linux-foundation.org: nuther build fix] [akpm@linux-foundation.org: yet nuther build fix] [akpm@linux-foundation.org: remove unneeded casts] Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org> Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Paul Menage <menage@google.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* pid namespaces: define is_global_init() and is_container_init()Serge E. Hallyn2007-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | is_init() is an ambiguous name for the pid==1 check. Split it into is_global_init() and is_container_init(). A cgroup init has it's tsk->pid == 1. A global init also has it's tsk->pid == 1 and it's active pid namespace is the init_pid_ns. But rather than check the active pid namespace, compare the task structure with 'init_pid_ns.child_reaper', which is initialized during boot to the /sbin/init process and never changes. Changelog: 2.6.22-rc4-mm2-pidns1: - Use 'init_pid_ns.child_reaper' to determine if a given task is the global init (/sbin/init) process. This would improve performance and remove dependence on the task_pid(). 2.6.21-mm2-pidns2: - [Sukadev Bhattiprolu] Changed is_container_init() calls in {powerpc, ppc,avr32}/traps.c for the _exception() call to is_global_init(). This way, we kill only the cgroup if the cgroup's init has a bug rather than force a kernel panic. [akpm@linux-foundation.org: fix comment] [sukadev@us.ibm.com: Use is_global_init() in arch/m32r/mm/fault.c] [bunk@stusta.de: kernel/pid.c: remove unused exports] [sukadev@us.ibm.com: Fix capability.c to work with threaded init] Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com> Acked-by: Pavel Emelianov <xemul@openvz.org> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Herbert Poetzel <herbert@13thfloor.at> Cc: Kirill Korotaev <dev@sw.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* task cgroups: enable cgroups by default in some configsPaul Jackson2007-10-19
| | | | | | | | | In pre-cgroup cpusets, a few config files enabled cpusets by default. Signed-off-by: Paul Jackson <pj@sgi.com> Cc: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* setup vma->vm_page_prot by vm_get_page_prot()Coly Li2007-10-19
| | | | | | | | | | | | | This patch uses vm_get_page_prot() to setup vma->vm_page_prot. Though inside vm_get_page_prot() the protection flags is AND with (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED), it does not hurt correct code. Signed-off-by: Coly Li <coyli@suse.de> Cc: Hugh Dickins <hugh@veritas.com> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Add missing newlines to some uses of dev_<level> messagesJoe Perches2007-10-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Found these while looking at printk uses. Add missing newlines to dev_<level> uses Add missing KERN_<level> prefixes to multiline dev_<level>s Fixed a wierd->weird spelling typo Added a newline to a printk Signed-off-by: Joe Perches <joe@perches.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Roland Dreier <rolandd@cisco.com> Cc: Tilman Schmidt <tilman@imap.cc> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jeff Garzik <jeff@garzik.org> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Greg KH <greg@kroah.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: James Smart <James.Smart@Emulex.Com> Cc: Andrew Vasquez <andrew.vasquez@qlogic.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Jaroslav Kysela <perex@suse.cz> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Fix discrepancy between VDSO based gettimeofday() and sys_gettimeofday().Tony Breeds2007-10-18
| | | | | | | | | | | | | | | | | | | | On platforms that copy sys_tz into the vdso (currently only x86_64, soon to include powerpc), it is possible for the vdso to get out of sync if a user calls (admittedly unusual) settimeofday(NULL, ptr). This patch adds a hook for architectures that set CONFIG_GENERIC_TIME_VSYSCALL to ensure when sys_tz is updated they can also updatee their copy in the vdso. Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Cc: Andi Kleen <ak@suse.de> Cc: Tony Luck <tony.luck@intel.com> Acked-by: John Stultz <johnstul@us.ibm.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [IA64] fix non-numa buildAndrew Morton2007-10-17
| | | | | | | | | | | | | | | | arch/ia64/kernel/machine_kexec.c: In function `arch_crash_save_vmcoreinfo': arch/ia64/kernel/machine_kexec.c:131: error: `pgdat_list' undeclared (first use in this function) arch/ia64/kernel/machine_kexec.c:131: error: (Each undeclared identifier is reported only once arch/ia64/kernel/machine_kexec.c:131: error: for each function it appears in.) arch/ia64/kernel/machine_kexec.c:134: error: `node_memblk' undeclared (first use in this function) arch/ia64/kernel/machine_kexec.c:135: error: `NR_NODE_MEMBLKS' undeclared (first use in this function) arch/ia64/kernel/machine_kexec.c:136: error: invalid application of `sizeof' to incomplete type `node_memblk_s' arch/ia64/kernel/machine_kexec.c:137: error: dereferencing pointer to incomplete type arch/ia64/kernel/machine_kexec.c:138: error: dereferencing pointer to incomplete type make[1]: *** [arch/ia64/kernel/machine_kexec.o] Error 1 Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
* Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-blockLinus Torvalds2007-10-17
|\ | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block: [SCSI] Remove full sg table memset() [SCSI] ide-scsi: remove usage of sg_last() Fix loop terminating conditions in fill_sg(). [BLOCK] Clear sg entry before filling in blk_rq_map_sg() IA64: iommu uses sg_next with an invalid sg element cciss: disable DMA refetch on Smart Array P600 swiotlb: fix map_sg failure handling SPARC64: fix iommu sg chaining [SCSI] ide-scsi: use scsi_sg_count() instead of ->use_sg
| * IA64: iommu uses sg_next with an invalid sg elementFUJITA Tomonori2007-10-17
| | | | | | | | | | | | | | sg list elements might not be continuous. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* | add-vmcore: add a prefix "VMCOREINFO_" to the vmcoreinfo macrosKen'ichi Ohmichi2007-10-17
| | | | | | | | | | | | | | | | | | | | | | | | Add a prefix "VMCOREINFO_" to the vmcoreinfo macros. Old vmcoreinfo macros were defined as generic names SYMBOL/SIZE/OFFSET /LENGTH/CONFIG, and it is impossible to grep for them. So these names should be changed. This discussion is the following: http://www.ussg.iu.edu/hypermail/linux/kernel/0709.1/0415.html Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | add-vmcore: use the existing ia64_tpa() instead of asm codeKen'ichi Ohmichi2007-10-17
| | | | | | | | | | | | Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Add vmcoreinfoKen'ichi Ohmichi2007-10-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch set frees the restriction that makedumpfile users should install a vmlinux file (including the debugging information) into each system. makedumpfile command is the dump filtering feature for kdump. It creates a small dumpfile by filtering unnecessary pages for the analysis. To distinguish unnecessary pages, it needs a vmlinux file including the debugging information. These days, the debugging package becomes a huge file, and it is hard to install it into each system. To solve the problem, kdump developers discussed it at lkml and kexec-ml. As the result, we reached the conclusion that necessary information for dump filtering (called "vmcoreinfo") should be embedded into the first kernel file and it should be accessed through /proc/vmcore during the second kernel. (http://www.uwsg.iu.edu/hypermail/linux/kernel/0707.0/1806.html) Dan Aloni created the patch set for the above implementation. (http://www.uwsg.iu.edu/hypermail/linux/kernel/0707.1/1053.html) And I updated it for multi architectures and memory models. (http://lists.infradead.org/pipermail/kexec/2007-August/000479.html) Signed-off-by: Dan Aloni <da-x@monatomic.org> Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Signed-off-by: Bernhard Walle <bwalle@suse.de> Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | KCONFIG: Make "Instrumentation support" non-EXPERIMENTALRobert P. J. Day2007-10-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | It makes more sense to make instrumentation support experimental on a case-by-case basis. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Cc: Andi Kleen <ak@suse.de> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Make unregister_binfmt() return voidAlexey Dobriyan2007-10-17
| | | | | | | | | | | | | | | | | | | | | | list_del() hardly can fail, so checking for return value is pointless (and current code always return 0). Nobody really cared that return value anyway. Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | x86: replace NT_PRXFPREG with ELF_CORE_XFPREG_TYPE #defineMark Nelson2007-10-17
|/ | | | | | | | | | | | | | | | | | | | | | | | Replace NT_PRXFPREG with ELF_CORE_XFPREG_TYPE in the coredump code which allows for more flexibility in the note type for the state of 'extended floating point' implementations in coredumps. New note types can now be added with an appropriate #define. This does #define ELF_CORE_XFPREG_TYPE to be NT_PRXFPREG in all current users so there's are no change in behaviour. This will let us use different note types on powerpc for the Altivec/VMX state that some PowerPC cpus have (G4, PPC970, POWER6) and for the SPE (signal processing extension) state that some embedded PowerPC cpus from Freescale have. Signed-off-by: Mark Nelson <markn@au1.ibm.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Andi Kleen <ak@suse.de> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [IA64] Fix build for CONFIG_SMP=nTony Luck2007-10-16
| | | | | | | | d5a7430ddcdb598261d70f7eb1bf450b5be52085 missed a spot where we use cpu_sibling_map and cpu_core_map. These don't exist on a uni-processor build. Wrap #ifdef CONFIG_SMP ... #endif around it. Signed-off-by: Tony Luck <tony.luck@intel.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds2007-10-16
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: (40 commits) kbuild: introduce ccflags-y, asflags-y and ldflags-y kbuild: enable 'make CPPFLAGS=...' to add additional options to CPP kbuild: enable use of AFLAGS and CFLAGS on commandline kbuild: enable 'make AFLAGS=...' to add additional options to AS kbuild: fix AFLAGS use in h8300 and m68knommu kbuild: check for wrong use of CFLAGS kbuild: enable 'make CFLAGS=...' to add additional options to CC kbuild: fix up CFLAGS usage kbuild: make modpost detect unterminated device id lists kbuild: call export_report from the Makefile kbuild: move Kai Germaschewski to CREDITS kconfig/menuconfig: distinguish between selected-by-another options and comments kconfig: tristate choices with mixed tristate and boolean values include/linux/Kbuild: remove duplicate entries kbuild: kill backward compatibility checks kbuild: kill EXTRA_ARFLAGS kbuild: fix documentation in makefiles.txt kbuild: call make once for all targets when O=.. is used kbuild: pass -g to assembler under CONFIG_DEBUG_INFO kbuild: update _shipped files for kconfig syntax cleanup ... Fix up conflicts in arch/um/sys-{x86_64,i386}/Makefile manually.
| * kbuild: enable 'make CPPFLAGS=...' to add additional options to CPPSam Ravnborg2007-10-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The variable CPPFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. This patch replace use of CPPFLAGS with KBUILD_CPPFLAGS all over the tree and enabling one to use: make CPPFLAGS=... to specify additional CPP commandline options. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k, s390 Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: enable 'make CFLAGS=...' to add additional options to CCSam Ravnborg2007-10-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The variable CFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. On top of that several people over time has asked for a way to pass in additional flags to gcc. This patch replace use of CFLAGS with KBUILD_CFLAGS all over the tree and enabling one to use: make CFLAGS=... to specify additional gcc commandline options. One usecase is when trying to find gcc bugs but other use cases has been requested too. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k Test was simple to do a defconfig build, apply the patch and check that nothing got rebuild. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * ia64: fix sn to add include files using EXTRA_CFLAGSSam Ravnborg2007-10-12
| | | | | | | | | | | | | | | | | | Changing the global CPPFLAGS is not the recommended way to add additional include dirs. Changed to use EXTRA_CFLAGS. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jes Sorensen <jes@sgi.com>
* | Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-blockLinus Torvalds2007-10-16
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block: (63 commits) Fix memory leak in dm-crypt SPARC64: sg chaining support SPARC: sg chaining support PPC: sg chaining support PS3: sg chaining support IA64: sg chaining support x86-64: enable sg chaining x86-64: update pci-gart iommu to sg helpers x86-64: update nommu to sg helpers x86-64: update calgary iommu to sg helpers swiotlb: sg chaining support i386: enable sg chaining i386 dma_map_sg: convert to using sg helpers mmc: need to zero sglist on init Panic in blk_rq_map_sg() from CCISS driver remove sglist_len remove blk_queue_max_phys_segments in libata revert sg segment size ifdefs Fixup u14-34f ENABLE_SG_CHAINING qla1280: enable use_sg_chaining option ...
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