- 05 Feb, 2008 2 commits
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Jan Beulich authored
This requires making die() and die_if_kernel() return a value, and their callers to honor this (and be prepared that it returns). Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Jan Beulich authored
Neither __cpu_down() nor __cpu_die() are being referenced without CONFIG_HOTPLUG_CPU. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
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- 04 Feb, 2008 38 commits
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Zhang Xiantao authored
Anthony and Xiantao are working on KVM for ia64. Signed-off-by Anthony Xu <anthony.xu@intel.com> Signed-off-by Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Xiantao Zhang authored
The only in kernel use of ia64_set_psr() needs to follow it with a srlz.i (since it is changing state for PSR.ic). So it is pointless to issue srlz.d inside this function. Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Zhang, Xiantao authored
Since kvm/module needs to use some unexported functions in kernel, so export them with this patch. Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Hidetoshi Seto authored
Unified changelog, 80 columns rule, and address form fix. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Daniel Walker authored
Really simple mutex style semaphore user. The new API is struct mutex which is what I've converted it to with this change. Signed-off-by: Daniel Walker <dwalker@mvista.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Hidetoshi Seto authored
In an ordinary way, > } __attribute__ ((aligned (L1_CACHE_BYTES))); should be > } ____cacheline_aligned; to save some bytes on an uni-processor. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Aron Griffis authored
As written, this loop could be for (;;) instead of do while (md). The tests inside the loop always result in a return so the loop never terminates normally. Signed-off-by: Aron Griffis <aron@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Aron Griffis authored
Incorporates the suggestions from Peter Chubb the last time I submitted this. This called for using the same verb tense in the couple of preceding comments as well. Signed-off-by: Aron Griffis <aron@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Aron Griffis authored
This patch is purely whitespace changes to make the code fit in 80 columns, plus fix some inconsistent indentation. The efi_guidcmp() tests remain wider than 80-columns since that seems to be the most clear. Signed-off-by: Aron Griffis <aron@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Randy Dunlap authored
Eliminate all build warnings. OK, these build warnings are from a build on x86_64. When I build on ia64, I don't see warnings. Now builds cleanly on ia64 and x86_64. Documentation/ia64/aliasing-test.c: In function 'map_mem': Documentation/ia64/aliasing-test.c:39: warning: implicit declaration of function 'ioctl' Documentation/ia64/aliasing-test.c: In function 'scan_rom': Documentation/ia64/aliasing-test.c:183: warning: format '%ld' expects type 'long int', but argument 4 has type 'int' Documentation/ia64/aliasing-test.c: At top level: Documentation/ia64/aliasing-test.c:208: warning: function declaration isn't a prototype Documentation/ia64/aliasing-test.c: In function 'main': Documentation/ia64/aliasing-test.c:259: warning: control reaches end of non-void function Documentation/ia64/aliasing-test.c: In function 'scan_rom': Documentation/ia64/aliasing-test.c:152: warning: 'rc' may be used uninitialized in this function Documentation/ia64/aliasing-test.c: In function 'scan_tree': Documentation/ia64/aliasing-test.c:68: warning: 'rc' may be used uninitialized in this function Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Zoltan Menyhart authored
- I removed the unnecessary barrier() from __clear_bit_unlock(). ia64_st4_rel_nta() makes sure all the modifications are globally seen before the bit is seen to be off. - I made __clear_bit() modeled after __set_bit() and __change_bit(). - I corrected some comments sating that a memory barrier is provided, yet in reality, it is the acquisition side of the memory barrier only. - I corrected some comments, e.g. test_and_clear_bit() was peaking about "bit to set". Signed-off-by: Zoltan Menyhart, <Zoltan.Menyhart@bull.net> Acked-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Masami Hiramatsu authored
Fix the order of atomic operations to prevent overwriting prev_kprobe[0]. To pop values from stack, we must decrement stack index right AFTER reading values. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Jan Engelhardt authored
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Doug Chapman authored
Fixes userspace build errors when linux/ipv6.h is included such as in the dhcpv6 package under fedora. Likely causes other userspace build errors as well. I found this in akpm's tree from 2.6.18 but could not find any case of anyone proposing it for the main tree. Signed-off-by: Doug Chapman <doug.chapman@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (78 commits) x86: fix RTC lockdep warning: potential hardirq recursion x86: cpa, micro-optimization x86: cpa, clean up code flow x86: cpa, eliminate CPA_ enum x86: cpa, cleanups x86: implement gbpages support in change_page_attr() x86: support gbpages in pagetable dump x86: add gbpages support to lookup_address x86: add pgtable accessor functions for gbpages x86: add PUD_PAGE_SIZE x86: add feature macros for the gbpages cpuid bit x86: switch direct mapping setup over to set_pte x86: fix page-present check in cpa_flush_range x86: remove cpa warning x86: remove now unused clear_kernel_mapping x86: switch pci-gart over to using set_memory_np() instead of clear_kernel_mapping() x86: cpa selftest, skip non present entries x86: CPA fix pagetable split x86: rename LARGE_PAGE_SIZE to PMD_PAGE_SIZE x86: cpa, fix lookup_address ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (25 commits) virtio: balloon driver virtio: Use PCI revision field to indicate virtio PCI ABI version virtio: PCI device virtio_blk: implement naming for vda-vdz,vdaa-vdzz,vdaaa-vdzzz virtio_blk: Dont waste major numbers virtio_blk: provide getgeo virtio_net: parametrize the napi_weight for virtio receive queue. virtio: free transmit skbs when notified, not on next xmit. virtio: flush buffers on open virtnet: remove double ether_setup virtio: Allow virtio to be modular and used by modules virtio: Use the sg_phys convenience function. virtio: Put the virtio under the virtualization menu virtio: handle interrupts after callbacks turned off virtio: reset function virtio: populate network rings in the probe routine, not open virtio: Tweak virtio_net defines virtio: Net header needs hdr_len virtio: remove unused id field from struct virtio_blk_outhdr virtio: clarify NO_NOTIFY flag usage ...
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git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (79 commits) Jesper Juhl is the new trivial patches maintainer Documentation: mention email-clients.txt in SubmittingPatches fs/binfmt_elf.c: spello fix do_invalidatepage() comment typo fix Documentation/filesystems/porting fixes typo fixes in net/core/net_namespace.c typo fix in net/rfkill/rfkill.c typo fixes in net/sctp/sm_statefuns.c lib/: Spelling fixes kernel/: Spelling fixes include/scsi/: Spelling fixes include/linux/: Spelling fixes include/asm-m68knommu/: Spelling fixes include/asm-frv/: Spelling fixes fs/: Spelling fixes drivers/watchdog/: Spelling fixes drivers/video/: Spelling fixes drivers/ssb/: Spelling fixes drivers/serial/: Spelling fixes drivers/scsi/: Spelling fixes ...
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git://linux-nfs.org/~bfields/linuxLinus Torvalds authored
* 'locks' of git://linux-nfs.org/~bfields/linux: pid-namespaces-vs-locks-interaction file locks: Use wait_event_interruptible_timeout() locks: clarify posix_locks_deadlock
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Haavard Skinnemoen authored
AVR32 still includes Kconfig.instrumentation, so it won't build after this... Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: scsi: fix dependency bug in aic7 Makefile kbuild: add svn revision information to setlocalversion kbuild: do not warn about __*init/__*exit symbols being exported Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig Add HAVE_KPROBES Add HAVE_OPROFILE Create arch/Kconfig Fix ARM to play nicely with generic Instrumentation menu kconfig: ignore select of unknown symbol kconfig: mark config as changed when loading an alternate config kbuild: Spelling/grammar fixes for config DEBUG_SECTION_MISMATCH Remove __INIT_REFOK and __INITDATA_REFOK kbuild: print only total number of section mismatces found
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Nick Piggin authored
Drivers that register a ->fault handler, but do not range-check the offset argument, must set VM_DONTEXPAND in the vm_flags in order to prevent an expanding mremap from overflowing the resource. I've audited the tree and attempted to fix these problems (usually by adding VM_DONTEXPAND where it is not obvious). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Geert Uytterhoeven authored
Commit c9f6d3d5 ("[POWERPC] adb: Replace sleep notifier with platform driver suspend/resume hooks") introduced compile errors on m68k because <linux/platform_device.h> is not explicitly included. On powerpc, it's pulled in through <asm/prom.h>. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Andrew Morton authored
After disabling both CONFIG_DEBUG_LOCKING_API_SELFTESTS and netconsole (using current mainline) I get a login prompt, and also... [ 5.181668] SELinux: policy loaded with handle_unknown=deny [ 5.183315] type=1403 audit(1202100038.157:3): policy loaded auid=4294967295 ses=4294967295 [ 5.822073] SELinux: initialized (dev usbfs, type usbfs), uses genfs_contexts [ 7.819146] ------------[ cut here ]------------ [ 7.819146] WARNING: at kernel/lockdep.c:2033 trace_hardirqs_on+0x9b/0x10d() [ 7.819146] Modules linked in: generic ext3 jbd ide_disk ide_core [ 7.819146] Pid: 399, comm: hwclock Not tainted 2.6.24 #4 [ 7.819146] [<c011d140>] warn_on_slowpath+0x41/0x51 [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c013770c>] ? check_usage_forwards+0x19/0x3b [ 7.819146] [<c01390c4>] ? __lock_acquire+0xac3/0xb0b [ 7.819146] [<c0108c98>] ? native_sched_clock+0x8b/0x9f [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c030ca6c>] ? _spin_unlock_irq+0x22/0x42 [ 7.819146] [<c013848b>] trace_hardirqs_on+0x9b/0x10d [ 7.819146] [<c030ca6c>] _spin_unlock_irq+0x22/0x42 [ 7.819146] [<c011481e>] hpet_rtc_interrupt+0xdf/0x290 [ 7.819146] [<c014ea90>] handle_IRQ_event+0x1a/0x46 [ 7.819146] [<c014f8ea>] handle_edge_irq+0xbe/0xff [ 7.819146] [<c0106e08>] do_IRQ+0x6d/0x84 [ 7.819146] [<c0105596>] common_interrupt+0x2e/0x34 [ 7.819146] [<c013007b>] ? ktime_get_ts+0x8/0x3f [ 7.819146] [<c0139420>] ? lock_release+0x167/0x16f [ 7.819146] [<c017974a>] ? core_sys_select+0x2c/0x327 [ 7.819146] [<c0179792>] core_sys_select+0x74/0x327 [ 7.819146] [<c0108c98>] ? native_sched_clock+0x8b/0x9f [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c030ca6c>] ? _spin_unlock_irq+0x22/0x42 [ 7.819146] [<c01384d6>] ? trace_hardirqs_on+0xe6/0x10d [ 7.819146] [<c030ca77>] ? _spin_unlock_irq+0x2d/0x42 [ 7.819146] [<c023b437>] ? rtc_do_ioctl+0x11b/0x677 [ 7.819146] [<c01c487e>] ? inode_has_perm+0x5e/0x68 [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c0108c98>] ? native_sched_clock+0x8b/0x9f [ 7.819146] [<c01c490b>] ? file_has_perm+0x83/0x8c [ 7.819146] [<c023ba08>] ? rtc_ioctl+0xf/0x11 [ 7.819146] [<c017898d>] ? do_ioctl+0x55/0x67 [ 7.819146] [<c0179d15>] sys_select+0x93/0x163 [ 7.819146] [<c0104b39>] ? sysenter_past_esp+0x9a/0xa5 [ 7.819146] [<c0104afe>] sysenter_past_esp+0x5f/0xa5 [ 7.819146] ======================= [ 7.819146] ---[ end trace 96540ca301ffb84c ]--- [ 7.819210] rtc: lost 6 interrupts [ 7.870668] type=1400 audit(1202128840.794:4): avc: denied { audit_write } for pid=399 comm="hwclock" capability=29 scontext=system_u:system_r:hwclock_t:s0 tcontext=system_u:system_r:hwclock_t:s0 tclass=capability [ 9.538866] input: PC Speaker as /class/input/input5 Because hpet_rtc_interrupt()'s call to get_rtc_time() ends up resolving to include/asm-generic/rtc.h's (hilariously inlined) get_rtc_time(), which does spin_unlock_irq() from hard IRQ context. The obvious patch fixes it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Thomas Gleixner authored
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ingo Molnar authored
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Ingo Molnar authored
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Ingo Molnar authored
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen authored
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen authored
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen authored
[ tglx@linutronix.de: fix bootup crash on sparse mappings. ] Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen authored
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen authored
a PUD entry covers 1GB of virtual memory. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen authored
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen authored
Use set_pte() for setting up the 2MB pages in the direct mapping. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner authored
pte_present() might return true for PROT_NONE mappings. Explicitely check the present bit. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ingo Molnar authored
this race is legit and can happen on SMP systems. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen authored
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen authored
pci-gart needs to unmap the IOMMU aperture to prevent cache corruptions. Switch this over to using set_memory_np() instead of clear_kernel_mapping(). Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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