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2008-02-05[S390] Remove BUILD_BUG_ON() in vmem code.Heiko Carstens
Remove BUILD_BUG_ON() in vmem code since it causes build failures if the size of struct page increases. Instead calculate at compile time the address of the highest physical address that can be added to the 1:1 mapping. This supposed to fix a build failure with the page owner tracking leak detector patches as reported by akpm. page-owner-tracking-leak-detector-broken-on-s390.patch can be removed from -mm again when this is merged. Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-05[S390] Implement ext2_find_next_bit.Heiko Carstens
Fixes this compile error: fs/ext4/mballoc.c: In function 'ext4_mb_generate_buddy': fs/ext4/mballoc.c:954: error: implicit declaration of function 'generic_find_next_le_bit' Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-05[S390] Cleanup & optimize bitops.Martin Schwidefsky
The bitops header is now a bit shorter and easier to understand since it uses less inline assembly. It requires some tricks to persuade the compiler to generate decent code. The ffz/ffs functions now use the _zb_findmap/_sb_findmap table as well. With this cleanup the new bitops for ext4 can be implemented with a few lines, instead of another large inline assembly. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-05[S390] DEBUG_PAGEALLOC support for s390.Heiko Carstens
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-05[S390] cio: Add shutdown callback for ccwgroup.Cornelia Huck
This intendeds to make proper shutdown of qeth devices easier. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-04Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (44 commits) [ARM] 4822/1: RealView: Change the REALVIEW_MPCORE configuration option [ARM] 4821/1: RealView: Remove the platform dependencies from localtimer.c [ARM] 4820/1: RealView: Select the timer IRQ at run-time [ARM] 4819/1: RealView: Fix entry-macro.S to work with multiple platforms [ARM] 4818/1: RealView: Add core-tile detection [ARM] 4817/1: RealView: Move the AMBA resource definitions to realview_eb.c [ARM] 4816/1: RealView: Move the platform-specific definitions into board-eb.h [ARM] 4815/1: RealView: Add clockevents suport for the local timers [ARM] 4814/1: RealView: Add broadcasting clockevents support for ARM11MPCore [ARM] 4813/1: Add SMP helper functions for clockevents support [ARM] 4812/1: RealView: clockevents support for the RealView platforms [ARM] 4811/1: RealView: clocksource support for the RealView platforms [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atags [ARM] 4798/1: pcm027: fix missing header file [ARM] 4803/1: pxa: fix building issue of poodle.c caused by patch 4737/1 [ARM] 4801/1: pxa: fix building issues of missing pxa2xx-regs.h [ARM] pxa: introduce sysdev for pxa3xx static memory controller [ARM] pxa: add preliminary suspend/resume code for pxa3xx [ARM] pxa: introduce sysdev for GPIO register saving/restoring [ARM] pxa: introduce sysdev for IRQ register saving/restoring ...
2008-02-04Merge branch 'slub-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm * 'slub-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm: Explain kmem_cache_cpu fields SLUB: Do not upset lockdep SLUB: Fix coding style violations Add parameter to add_partial to avoid having two functions SLUB: rename defrag to remote_node_defrag_ratio Move count_partial before kmem_cache_shrink SLUB: Fix sysfs refcounting slub: fix shadowed variable sparse warnings
2008-02-04Explain kmem_cache_cpu fieldsChristoph Lameter
Add some comments explaining the fields of the kmem_cache_cpu structure. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-02-04SLUB: rename defrag to remote_node_defrag_ratioChristoph Lameter
The NUMA defrag works by allocating objects from partial slabs on remote nodes. Rename it to remote_node_defrag_ratio to be clear about this. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-02-04Merge branches 'at91', 'ixp', 'master', 'misc', 'pxa' and 'realview' into develRussell King
* at91: [ARM] 4802/1: Fix typo and remove vague comment [ARM] 4660/3: at91: allow selecting UART for early kernel messages [ARM] 4739/1: at91sam9263: make gpio bank C and D irqs work * ixp: [ARM] 4809/2: ixp4xx: Merge dsmg600-power.c into dsmg600-setup.c [ARM] 4808/2: ixp4xx: Merge nas100d-power.c into nas100d-setup.c [ARM] 4807/2: ixp4xx: Merge nslu2-power.c into nslu2-setup.c [ARM] 4806/1: ixp4xx: Ethernet support for the nslu2 and nas100d boards [ARM] 4805/1: ixp4xx: Use leds-gpio driver instead of IXP4XX-GPIO-LED driver [ARM] 4715/2: Ethernet support for IXDP425 boards [ARM] 4714/2: Headers for IXP4xx built-in Ethernet and WAN drivers [ARM] 4713/3: Adds drivers for IXP4xx QMgr and NPE features [ARM] 4712/2: Adds functions to read and write IXP4xx "feature" bits [ARM] 4774/2: ixp4xx: Register dsmg600 rtc i2c_board_info [ARM] 4773/2: ixp4xx: Register nas100d rtc i2c_board_info [ARM] 4772/2: ixp4xx: Register nslu2 rtc i2c_board_info [ARM] 4769/2: ixp4xx: Button updates for the dsmg600 board [ARM] 4768/2: ixp4xx: Button and LED updates for the nas100d board [ARM] 4767/2: ixp4xx: Add bitops.h include to io.h [ARM] 4766/2: ixp4xx: Update ixp4xx_defconfig, enabling all supported boards * master: [ARM] 4810/1: - Fix 'section mismatch' building warnings [ARM] xtime_seqlock: fix more ARM machines for xtime deadlocking [ARM] 21285 serial: fix build error * misc: [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atags * pxa: [ARM] 4798/1: pcm027: fix missing header file [ARM] 4803/1: pxa: fix building issue of poodle.c caused by patch 4737/1 [ARM] 4801/1: pxa: fix building issues of missing pxa2xx-regs.h [ARM] pxa: introduce sysdev for pxa3xx static memory controller [ARM] pxa: add preliminary suspend/resume code for pxa3xx [ARM] pxa: introduce sysdev for GPIO register saving/restoring [ARM] pxa: introduce sysdev for IRQ register saving/restoring [ARM] pxa: fix the warning of undeclared "struct pxaohci_platform_data" [ARM] pxa: change set_kset_name() to direct name assignment for MFP sysclass * realview: [ARM] 4822/1: RealView: Change the REALVIEW_MPCORE configuration option [ARM] 4821/1: RealView: Remove the platform dependencies from localtimer.c [ARM] 4820/1: RealView: Select the timer IRQ at run-time [ARM] 4819/1: RealView: Fix entry-macro.S to work with multiple platforms [ARM] 4818/1: RealView: Add core-tile detection [ARM] 4817/1: RealView: Move the AMBA resource definitions to realview_eb.c [ARM] 4816/1: RealView: Move the platform-specific definitions into board-eb.h [ARM] 4815/1: RealView: Add clockevents suport for the local timers [ARM] 4814/1: RealView: Add broadcasting clockevents support for ARM11MPCore [ARM] 4813/1: Add SMP helper functions for clockevents support [ARM] 4812/1: RealView: clockevents support for the RealView platforms [ARM] 4811/1: RealView: clocksource support for the RealView platforms
2008-02-04[ARM] 4822/1: RealView: Change the REALVIEW_MPCORE configuration optionCatalin Marinas
This patch changes the REALVIEW_MPCORE configuration option to REALVIEW_EB_ARM11MP since this is only specific to RealView/EB. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-02-04[ARM] 4819/1: RealView: Fix entry-macro.S to work with multiple platformsCatalin Marinas
This patch modifies the get_irqnr_preamble macro to work with multiple platforms at run-time by reading the address of the GIC controller from the gic_cpu_base_addr variable. This variable is defined in core.c and intialised in realview_eb.c (gic_init_irq). Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-02-04[ARM] 4818/1: RealView: Add core-tile detectionCatalin Marinas
This patch adds the core-tile detection and only enables devices if the corresponding tile is present. It currently detects the ARM11MPCore via the core_tile_eb11mp() macro. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-02-04[ARM] 4816/1: RealView: Move the platform-specific definitions into board-eb.hCatalin Marinas
This patch moves the platform specific definitions from platform.h into the board-eb.h file. It drops the INT_* definitions as they are no longer used in irqs.h (moved to board-eb.h). It renames REALVIEW_* macros to REALVIEW_EB_* or REALVIEW_EB11MP_* to distinguish between standard EB and EB + the ARM11MPCore tile. The platform.h file contains common definitions to the RealView platforms and it is only directly included in board-*.h files. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-02-04[ARM] 4815/1: RealView: Add clockevents suport for the local timersCatalin Marinas
This patch registers the local timers on ARM11MPCore as clock event devices. The clock device can be set up as periodic or oneshot. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-02-04[ARM] 4814/1: RealView: Add broadcasting clockevents support for ARM11MPCoreCatalin Marinas
This patch adds dummy local timers for each CPU so that the board clock device is used to broadcast events to the other CPUs. The patch also adds the declaration for the dummy_timer_setup function (the equivalent of local_timer_setup when CONFIG_LOCAL_TIMERS is not set). Due to the way clockevents work, the dummy timer on the first CPU has to be registered before the board timer. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-02-04[ARM] 4813/1: Add SMP helper functions for clockevents supportCatalin Marinas
This patch adds the smp_call_function_single and smp_timer_broadcast functions and modifies ipi_timer to call the platform-specific function local_timer_interrupt. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds
* 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 ...
2008-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* 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 ...
2008-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds
* 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 ...
2008-02-04Merge branch 'locks' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* '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
2008-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds
* 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
2008-02-04x86: fix RTC lockdep warning: potential hardirq recursionAndrew Morton
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>
2008-02-04x86: add pgtable accessor functions for gbpagesAndi Kleen
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: add PUD_PAGE_SIZEAndi Kleen
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>
2008-02-04x86: add feature macros for the gbpages cpuid bitAndi Kleen
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: remove now unused clear_kernel_mappingAndi Kleen
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: rename LARGE_PAGE_SIZE to PMD_PAGE_SIZEAndi Kleen
Fix up all users. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: cpa, add the PAT bit definesAndi Kleen
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: fix EFI mappingHuang, Ying
The patch updates EFI runtime memory mapping code, by making EFI areas explicitly executable. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: add function prototype to vm86.hHarvey Harrison
Global functions should include their prototypes. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: add include to cpu/intel.cHarvey Harrison
Fixes sparse warning: arch/x86/kernel/cpu/intel.c:48:15: warning: symbol 'ppro_with_ram_bug' was not declared. Should it be static? Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: remove final FASTCALL() usesHarvey Harrison
A few snuck back in to x86. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: remove special NUMAQ support in io_32.hAndi Kleen
Now that the only user does it on its own remove the NUMAQ support macros in io_32.h The next step would be to convert the preprocessor mess to actually readable standard inlines. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: move NUMAQ io handling into arch/x86/pci/numa.cAndi Kleen
numa.c is the only user of the {in,out}*_quad functions. And it has only a few call sites. Change them to open code the magic NUMAQ port access. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: update reference for PAE tlb flushingJeremy Fitzhardinge
Remove bogus reference to "Pentium-II erratum A13" and point to the actual canonical source of information about what requirements x86 processors have for PAE pagetable updates. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: pud_clear: only reload cr3 if necessaryJeremy Fitzhardinge
Rather than unconditionally reloading cr3, only do so if the pud we're updating is within the active pgd. This eliminates TLB flushes most of the time. The performance-critical uses of pud_clear are during execve and exit, but in those cases cr3 is referring to some other pagetable. The only other use of pud_clear is during a large (1Gbyte+) munmap, and those are sufficiently rare that a couple of cr3 reloads won't hurt. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: revert "defer cr3 reload when doing pud_clear()"Jeremy Fitzhardinge
Revert "defer cr3 reload when doing pud_clear()" since I'm going to replace it. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: sparse errors from string_32.hHarvey Harrison
include/asm/string_32.h:216:26: warning: cast truncates bits from constant value (cccccccc becomes cc) include/asm/string_32.h:219:27: warning: cast truncates bits from constant value (cccccccc becomes cccc) include/asm/string_32.h:222:27: warning: cast truncates bits from constant value (cccccccc becomes cccc) include/asm/string_32.h:223:30: warning: cast truncates bits from constant value (cccccccc becomes cc) Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04asm-generic/tlb.h: remove <linux/quicklist.h>H. Peter Anvin
Remove unused <linux/quicklist.h> from <asm-generic/tlb.h>; per Christoph Lameter this should have been part of a previous patch reversal but apparently didn't get removed. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: unify CPU feature string namesH. Peter Anvin
Move the CPU feature string names to a separate file (common to 32 and 64 bits); additionally, make <asm/cpufeature.h> includable by host code in preparation for including the CPU feature strings in the boot code. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: reintroduce volatile keyword in prototype to clflush()H. Peter Anvin
The volatile keyword was removed from the clflush() prototype in commit e34907ae180f4fe6c28bb4516c679c2f81b0c9ed; the comment there states: x86: remove volatile keyword from clflush. the p parameter is an explicit memory reference, and is enough to prevent gcc to being nasty here. The volatile seems completely not needed. This reflects incorrect understanding of the function of the volatile keyword there. The purpose of the volatile keyword is informing gcc that it is safe to pass a volatile pointer to this function. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: use _ASM_EXTABLE macro in include/asm-x86/uaccess_64.hH. Peter Anvin
Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/uaccess_64.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: use _ASM_EXTABLE macro in include/asm-x86/uaccess_32.hH. Peter Anvin
Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/uaccess_32.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: use _ASM_EXTABLE macro in include/asm-x86/system.hH. Peter Anvin
Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/system.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: use _ASM_EXTABLE macro in include/asm-x86/msr.hH. Peter Anvin
Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/msr.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: use _ASM_EXTABLE macro in include/asm-x86/i387.hH. Peter Anvin
Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/i387.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: use _ASM_EXTABLE macro in include/asm-x86/futex.hH. Peter Anvin
Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in include/asm-x86/futex.h. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04x86: add _ASM_EXTABLE macro to <asm/asm.h>H. Peter Anvin
Instead of open-coding the __ex_table information at each callsite, construct a common macro that can work regardless of CPU size. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (77 commits) [IPV6]: Reorg struct ifmcaddr6 to save some bytes [INET_TIMEWAIT_SOCK]: Reorganize struct inet_timewait_sock to save some bytes [DCCP]: Reorganize struct dccp_sock to save 8 bytes [INET6]: Reorganize struct inet6_dev to save 8 bytes [SOCK] proto: Add hashinfo member to struct proto EMAC driver: Fix bug: The clock divisor is set to all ones at reset. EMAC driver: fix bug - invalidate data cache of new_skb->data range when cache is WB EMAC driver: add power down mode EMAC driver: ADSP-BF52x arch/mach support EMAC driver: use simpler comment headers and strip out information that is maintained in the scm's log EMAC driver: bf537 MAC multicast hash filtering patch EMAC driver: define MDC_CLK=2.5MHz and caculate mdc_div according to SCLK. EMAC driver: shorten the mdelay value to solve netperf performance issue [netdrvr] sis190: build fix sky2: fix Wake On Lan interaction with BIOS sky2: restore multicast addresses after recovery pci-skeleton: Misc fixes to build neatly phylib: Add Realtek 821x eth PHY support natsemi: Update locking documentation PHYLIB: Locking fixes for PHY I/O potentially sleeping ...
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