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- 31 Dec, 2009 3 commits
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H Hartley Sweeten authored
Remove unnecessary casts for p_nand, it is already a void __iomem *. Signed-off-by:
H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by:
David Woodhouse <David.Woodhouse@intel.com>
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H Hartley Sweeten authored
Use kzalloc() instead of kmalloc()/memset(). Signed-off-by:
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KOSAKI Motohiro authored
crash_kexec gets called before kmsg_dump(KMSG_DUMP_OOPS) if panic_on_oops is set, so the kernel log buffer is not stored for this case. This patch adds a KMSG_DUMP_KEXEC dump type which gets called when crash_kexec() is invoked. To avoid getting double dumps, the old KMSG_DUMP_PANIC is moved below crash_kexec(). The mtdoops driver is modified to handle KMSG_DUMP_KEXEC in the same way as a panic. Signed-off-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by:
Simon Kagstrom <simon.kagstrom@netinsight.net> Signed-off-by:
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- 16 Dec, 2009 37 commits
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git://git.infradead.org/mtd-2.6Linus Torvalds authored
* git://git.infradead.org/mtd-2.6: (90 commits) jffs2: Fix long-standing bug with symlink garbage collection. mtd: OneNAND: Fix test of unsigned in onenand_otp_walk() mtd: cfi_cmdset_0002, fix lock imbalance Revert "mtd: move mxcnd_remove to .exit.text" mtd: m25p80: add support for Macronix MX25L4005A kmsg_dump: fix build for CONFIG_PRINTK=n mtd: nandsim: add support for 4KiB pages mtd: mtdoops: refactor as a kmsg_dumper mtd: mtdoops: make record size configurable mtd: mtdoops: limit the maximum mtd partition size mtd: mtdoops: keep track of used/unused pages in an array mtd: mtdoops: several minor cleanups core: Add kernel message dumper to call on oopses and panics mtd: add ARM pismo support mtd: pxa3xx_nand: Fix PIO data transfer mtd: nand: fix multi-chip suspend problem mtd: add support for switching old SST chips into QRY mode mtd: fix M29W800D dev_id and uaddr mtd: don't use PF_MEMALLOC mtd: Add bad block table overrides to Davinci NAND driver ... Fixed up conflicts (mostly trivial) in drivers/mtd/devices/m25p80.c drivers/mtd/maps/pcmciamtd.c drivers/mtd/nand/pxa3xx_nand.c kernel/printk.c
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git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6Linus Torvalds authored
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6: parisc: Fixup last users of irq_chip->typename parisc: convert /proc/pdc/{lcd,led} to seq_file parisc: Convert BUG() to use unreachable() parisc: Replace old style lock init in smp.c parisc: use sort() instead of home-made implementation (v2) parisc: add CALLER_ADDR{0-6} macros parisc: remove unused IRQSTAT_SIRQ_PEND and IRQSTAT_SZ defines parisc: remove duplicated #include
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git://git.infradead.org/iommu-2.6Linus Torvalds authored
* git://git.infradead.org/iommu-2.6: implement early_io{re,un}map for ia64 Revert "Intel IOMMU: Avoid memory allocation failures in dma map api calls" intel-iommu: ignore page table validation in pass through mode intel-iommu: Fix oops with intel_iommu=igfx_off intel-iommu: Check for an RMRR which ends before it starts. intel-iommu: Apply BIOS sanity checks for interrupt remapping too. intel-iommu: Detect DMAR in hyperspace at probe time. dmar: Fix build failure without NUMA, warn on bogus RHSA tables and don't abort iommu: Allocate dma-remapping structures using numa locality info intr_remap: Allocate intr-remapping table using numa locality info dmar: Allocate queued invalidation structure using numa locality info dmar: support for parsing Remapping Hardware Static Affinity structure
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bpLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: edac, mce, amd: silence GART TLB errors edac, mce: correct corenum reporting
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6Linus Torvalds authored
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (116 commits) V4L/DVB (13698): pms: replace asm/uaccess.h to linux/uaccess.h V4L/DVB (13690): radio/si470x: #include <sched.h> V4L/DVB (13688): au8522: modify the attributes of local filter coefficients V4L/DVB (13687): cx231xx: use NULL when pointer is needed V4L/DVB: Davinci VPFE Capture: remove unused #include <linux/version.h> V4L/DVB (13685): Correct code taking the size of a pointer V4L/DVB (13684): Fix some cut-and-paste noise in dib0090.h V4L/DVB (13683): sanio-ms: clean up init, exit and id_table V4L/DVB (13682): dib8000: make some constant static V4L/DVB: lgs8gxx: Use shifts rather than multiply/divide when possible V4L/DVB (13680b): DocBook/media: create links for included sources V4L/DVB (13680a): DocBook/media: copy images after building HTML V4L/DVB (13678): Add support for yet another DvbWorld, TeVii and Prof USB devices V4L/DVB (13676): configurable IRQ mode on NetUP Dual DVB-S2 CI; IRQ from CAM processing (CI interface works faster) V4L/DVB (13674): stv090x: Add DiSEqC envelope mode V4L/DVB (13673): lnbp21: Implement 22 kHz tone control V4L/DVB (13671): sh_mobile_ceu_camera: Remove frame size page alignment V4L/DVB (13670): soc-camera: Add mt9t112 camera driver V4L/DVB (13669): tw9910: Add sync polarity support V4L/DVB (13668): tw9910: remove cropping ...
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Linus Torvalds authored
* akpm: (173 commits) genalloc: use bitmap_find_next_zero_area ia64: use bitmap_find_next_zero_area sparc: use bitmap_find_next_zero_area mlx4: use bitmap_find_next_zero_area isp1362-hcd: use bitmap_find_next_zero_area iommu-helper: use bitmap library bitmap: introduce bitmap_set, bitmap_clear, bitmap_find_next_zero_area qnx4: use hweight8 qnx4fs: remove remains of the (defunct) write support resource: constify arg to resource_size() and resource_type() gru: send cross partition interrupts using the gru gru: function to generate chipset IPI values gru: update driver version number gru: improve GRU TLB dropin statistics gru: fix GRU interrupt race at deallocate gru: add hugepage support gru: fix bug in allocation of kernel contexts gru: update GRU structures to match latest hardware spec gru: check for correct GRU chiplet assignment gru: remove stray local_irq_enable ...
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Borislav Petkov authored
Although reporting of benign GART TLB errors is disabled in __mcheck_cpu_apply_quirks, those are still being logged, and, as a result, trip up amd64_edac. Pull up reporting check so that machines with loaded edac module bail out early and don't spit fragments into dmesg. Signed-off-by:Borislav Petkov <borislav.petkov@amd.com>
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Akinobu Mita authored
Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Akinobu Mita authored
Signed-off-by:
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Akinobu Mita authored
Signed-off-by:
"David S. Miller" <davem@davemloft.net> Signed-off-by:
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Akinobu Mita authored
Signed-off-by:
Roland Dreier <rolandd@cisco.com> Cc: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by:
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Akinobu Mita authored
Signed-off-by:
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Akinobu Mita authored
Use bitmap library and kill some unused iommu helper functions. 1. s/iommu_area_free/bitmap_clear/ 2. s/iommu_area_reserve/bitmap_set/ 3. Use bitmap_find_next_zero_area instead of find_next_zero_area This cannot be simple substitution because find_next_zero_area doesn't check the last bit of the limit in bitmap 4. Remove iommu_area_free, iommu_area_reserve, and find_next_zero_area Signed-off-by:
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Akinobu Mita authored
This introduces new bitmap functions: bitmap_set: Set specified bit area bitmap_clear: Clear specified bit area bitmap_find_next_zero_area: Find free bit area These are mostly stolen from iommu helper. The differences are: - Use find_next_bit instead of doing test_bit for each bit - Rewrite bitmap_set and bitmap_clear Instead of setting or clearing for each bit. - Check the last bit of the limit iommu-helper doesn't want to find such area - The return value if there is no zero area find_next_zero_area in iommu helper: returns -1 bitmap_find_next_zero_area: return >= bitmap size Signed-off-by:
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Akinobu Mita authored
Use hweight8 instead of counting for each bit Signed-off-by:
Anders Larsen <al@alarsen.net> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Anders Larsen authored
commit 945ffe54 ("qnx4: remove write support") removed the (defunct) write support but missed a chunk of related, dead code. Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Jean Delvare authored
resource_size() doesn't change the resource it operates on, so the res parameter can be marked const. Same for resource_type(). Signed-off-by:
Jean Delvare <khali@linux-fr.org> Reviewed-by:
WANG Cong <xiyou.wangcong@gmail.com> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Jack Steiner authored
GRU Message queue instructions are used to deliver messages to other SSIs within the numalink domain. In most cases, a single GRU mesq instruction will deliver both the message AND an interrupt to notify the other SSI that a messsage is present. In some cases, however, the interrupt must be sent explicitly. To improve resilency, the GRU driver should send these explicit interrupts using the GRU to write the remote chipset register. Current code sends the interrupt using a cpu instruction to write the chipset register. Signed-off-by:
Jack Steiner <steiner@sgi.com> Signed-off-by:
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Jack Steiner authored
Create a function to generate the value that is written to the UV hub MMR to cause an IPI interrupt to be sent. The function will be used in the GRU message queue error recovery code that sends IPIs to nodes in remote partitions. Signed-off-by:
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Jack Steiner authored
Update the version number of the GRU driver. Signed-off-by:
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Jack Steiner authored
Update the TLB dropin statistics kept for each GRU context. Count TLB dropins separate from the misses - some misses do not result in a TLB dropin. Some of the diagnostics need both counts. Signed-off-by:
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Jack Steiner authored
Fix a race where an interrupt could be received for a GRU context that has been deallocated. Signed-off-by:
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Jack Steiner authored
Add support for hugepages. Easier than I originally thought. Signed-off-by:
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Jack Steiner authored
Fix a bug in the assignment of GRU contexts used for kernel functions. If a sleep occurs on the wait for a semaphore, the thread could switch cpus and allocate resources on the wrong blade. Signed-off-by:
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Jack Steiner authored
Add a few new definitions for chipset MMR field names. This matches rev 0.7 of the hardware spec. Signed-off-by:
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Jack Steiner authored
Simplify the code that checks for correct assignment of GRU contexts to users. Signed-off-by:
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Jack Steiner authored
Remove a stray local_irq_enable() in the GRU TLB dropin code. Signed-off-by:
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Jack Steiner authored
Use symbol names instead of numbers for error return values for the vtop functions. Signed-off-by:
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Jack Steiner authored
Fix a GRU driver bug converting a CBR address to the context that contains the CBR. The conversion is rarely done so performance does not matter. Signed-off-by:
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Jack Steiner authored
Add anticipatory TLB dropins for GRU TLB misses that occur on BCOPY instructions that copy large amounts of data. Signed-off-by:
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Jack Steiner authored
Explicitly set GRU instructions to "ACTIVE". This eliminates the need for barriers that would have been necessary to prevent reading the instruction "status" field before the GRU had actually started the instruction. Signed-off-by:
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Jack Steiner authored
Add additional GRU statistics & debug messages. Signed-off-by:
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Jack Steiner authored
Update the GRU irq allocate/free functions to use the latest upstream infrastructure. Signed-off-by:
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Jack Steiner authored
Fix several bugs related to prefetch, ordering & speculation: - GRU cch_allocate() instruction causes cacheable memory to be created. Add a barriers to prevent speculation from prefetching data before it exists. - Add memory barriers before cache-flush instructions to ensure that previously stored data is included in the line flushed to memory. Signed-off-by:
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Jack Steiner authored
Fix bug caused by failure to allocate a GRU gts structure. The old code failed to handle the case where the vma was invalid. Signed-off-by:
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Jack Steiner authored
Improve existing driver self-tests. Add a new debugging test to the SGI GRU driver for verifying the global GRU copy function. Signed-off-by:
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Jack Steiner authored
Add a debug option to the SGI GRU driver for flushing GRU cache lines from memory. In theory this is not needed but it is useful for debugging. This has no use by end users. Signed-off-by:
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