- 19 Jul, 2007 40 commits
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Douglas Thompson authored
Ran e752x_edac.c file through Lindent for cleanup Signed-off-by:
Douglas Thompson <dougthompson@xmission.com> Signed-off-by:
Dave Jiang <djiang@mvista.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Douglas Thompson authored
Ran this driver through Lindent for cleanup Signed-off-by:
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Douglas Thompson authored
The origin of this code comes from patches at sourceforge, that allow EDAC to be updated to various kernels. With kernel version 2.6.20 a new workq system was installed, thus the patches needed to be modified based on the kernel version. For submitting to the latest kernel.org those #ifdefs are removed Signed-off-by:
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Douglas Thompson authored
Removal of some old dead and disabled code from the edac_device sysfs code Signed-off-by:
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Douglas Thompson authored
Run the EDAC CORE files through Lindent for cleanup Signed-off-by:
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Dave Jiang authored
Fixup poll values for MC and PCI. Also make mc function names unique to mc. Signed-off-by:
Douglas Thompson <dougthompson@xmissin.com> Signed-off-by:
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Dave Jiang authored
Change error check and clear variable from an atomic to an int Signed-off-by:
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Dave Jiang authored
Moving PCI to a per-instance device model This should include the correct sysfs setup as well. Please review. Signed-off-by:
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Dave Jiang authored
Move the memory controller object to work queue based implementation from the kernel thread based. Signed-off-by:
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Jason Uhlenkott authored
Here's a driver for the Intel 3000 and 3010 memory controllers, relative to today's Sourceforge code drop. This has only had light testing (I've yet to actually see it handle a memory error) but it detects my hardware correctly. Signed-off-by:
Jason Uhlenkott <juhlenko@akamai.com> Signed-off-by:
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Dave Jiang authored
Move dev_name() macro to a more generic interface since it's not possible to determine whether a device is pci, platform, or of_device easily. Now each low level driver sets the name into the control structure, and the EDAC core references the control structure for the information. Better abstraction. Signed-off-by:
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Douglas Thompson authored
In the refactoring of edac_mc.c into several subsystem files, the header file edac_mc.h became meaningless. A new header file edac_core.h was created. All the files that previously included "edac_mc.h" are changed to include "edac_core.h". Signed-off-by:
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Dave Jiang authored
Provides a way for NMI reported errors on x86 to notify the EDAC subsystem pending ECC errors by writing to a software state variable. Here's the reworked patch. I added an EDAC stub to the kernel so we can have variables that are in the kernel even if EDAC is a module. I also implemented the idea of using the chip driver to select error detection mode via module parameter and eliminate the kernel compile option. Please review/test. Thx! Also, I only made changes to some of the chipset drivers since I am unfamiliar with the other ones. We can add similar changes as we go. Signed-off-by:
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Andrew Morton authored
It will claim the PCI devices from under intel_agp.ko's feet. Greg is brewing some fix for that. Cc: Douglas Thompson <dougthompson@xmission.com> Cc: Tim Small <tim@buttersideup.com> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Tim Small authored
This is a NEW EDAC Memory Controller driver for the 440BX chipset (I82443BXGX) created and submitted by Timm Small Signed-off-by:
Tim Small <tim@buttersideup.com> Signed-off-by:
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Douglas Thompson authored
Patch to fix some scrubbing #defines in the edac_core.h file Signed-off-by:
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Eric Wollesen authored
Eric Wollesen ported the Bluesmoke Memory Controller driver (written by Doug Thompson) for the Intel 5000X/V/P (Blackford/Greencreek) chipset to the in kernel EDAC model. This patch incorporates the module for the 5000X/V/P chipset family [m.kozlowski@tuxland.pl: edac i5000 parenthesis balance fix] Signed-off-by:
Eric Wollesen <ericw@xmtp.net> Signed-off-by:
Doug Thompson <norsk5@xmission.com> Signed-off-by:
Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by:
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Matthias Kaehlcke authored
The EDAC core code uses a semaphore as mutex. use the mutex API instead of the (binary) semaphore. Matthaias wrote this, but since I had some patches ahead of it, I need to modify it to follow my patches. Signed-off-by:
Matthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by:
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Dave Jiang authored
Adding missing mem types for use in the sysfs presentation file for Memory Controller device objects. Signed-off-by:
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Douglas Thompson authored
This patch adds the new 'class' of object to be managed, named: 'edac_device'. As a peer of the 'edac_mc' class of object, it provides a non-memory centric view of an ERROR DETECTING device in hardware. It provides a sysfs interface and an abstraction for varioius EDAC type devices. Multiple 'instances' within the class are possible, with each 'instance' able to have multiple 'blocks', and each 'block' having 'attributes'. At the 'block' level there are the 'ce_count' and 'ue_count' fields which the device driver can update and/or call edac_device_handle_XX() functions. At each higher level are additional 'total' count fields, which are a summation of counts below that level. This 'edac_device' has been used to capture and present ECC errors which are found in a a L1 and L2 system on a per CORE/CPU basis. Signed-off-by:
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Douglas Thompson authored
This is a large patch to refactor the original EDAC module in the kernel and to break it up into better file granularity, such that each source file contains a given subsystem of the EDAC CORE. Originally, the EDAC 'core' was contained in one source file: edac_mc.c with it corresponding edac_mc.h file. Now, there are the following files: edac_module.c The main module init/exit function and other overhead edac_mc.c Code handling the edac_mc class of object edac_mc_sysfs.c Code handling for sysfs presentation edac_pci_sysfs.c Code handling for PCI sysfs presentation edac_core.h CORE .h include file for 'edac_mc' and 'edac_device' drivers edac_module.h Internal CORE .h include file This forms a foundation upon which a later patch can create the 'edac_device' class of object code in a new file 'edac_device.c'. Signed-off-by:
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Douglas Thompson authored
Add Registered RDDR2 memory types for displaying DDR2 memories Signed-off-by:
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Adrian Bunk authored
This patch makes needlessly global code static, in the edac core Signed-off-by:
Adrian Bunk <bunk@stusta.de> Cc: Doug Thompson <norsk5@xmission.com> Signed-off-by:
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Douglas Thompson authored
This simple patch adds an important CORE API for EDAC that EDAC drivers can use to find their edac_mc control structure by passing a mem_ctl_info 'instance' value Needed for subsequent patches Signed-off-by:
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Rusty Russell authored
A brief document describing how to use lguest. Because lguest doesn't have an ABI we also include an example launcher in the Documentation directory. [jmorris@namei.org: Fix up nat example in documentation] Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by:
James Morris <jmorris@namei.org> Cc: Matias Zabaljauregui <matias.zabaljauregui@cern.ch> Signed-off-by:
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Rusty Russell authored
Lguest block driver A simple block driver for lguest. Signed-off-by:
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Rusty Russell authored
Lguest net driver A simple net driver for lguest. [akpm@linux-foundation.org: include fix] Signed-off-by:
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Rusty Russell authored
A simple console driver for lguest. Signed-off-by:
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Rusty Russell authored
This is the Kconfig and Makefile to allow lguest to actually be compiled. Signed-off-by:
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Rusty Russell authored
This is the structure offsets required by lg.ko's switcher.S. Unfortunately we don't have infrastructure for private asm-offsets creation. Signed-off-by:
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Rusty Russell authored
This is the code for the "lg.ko" module, which allows lguest guests to be launched. [akpm@linux-foundation.org: update for futex-new-private-futexes] [akpm@linux-foundation.org: build fix] [jmorris@namei.org: lguest: use hrtimers] [akpm@linux-foundation.org: x86_64 build fix] Signed-off-by:
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Rusty Russell authored
lguest is a simple hypervisor for Linux on Linux. Unlike kvm it doesn't need VT/SVM hardware. Unlike Xen it's simply "modprobe and go". Unlike both, it's 5000 lines and self-contained. Performance is ok, but not great (-30% on kernel compile). But given its hackability, I expect this to improve, along with the paravirt_ops code which it supplies a complete example for. There's also a 64-bit version being worked on and other craziness. But most of all, lguest is awesome fun! Too much of the kernel is a big ball of hair. lguest is simple enough to dive into and hack, plus has some warts which scream "fork me!". This patch: This is the code and headers required to make an i386 kernel an lguest guest. Signed-off-by:
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Rusty Russell authored
lguest does some fairly lowlevel things to support a host, which normal modules don't need: math_state_restore: When the guest triggers a Device Not Available fault, we need to be able to restore the FPU __put_task_struct: We need to hold a reference to another task for inter-guest I/O, and put_task_struct() is an inline function which calls __put_task_struct. access_process_vm: We need to access another task for inter-guest I/O. map_vm_area & __get_vm_area: We need to map the switcher shim (ie. monitor) at 0xFFC01000. Signed-off-by:
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Alessandro Zummo authored
Adds support for periodic irq enabling in rtc-cmos. This could be used by the ALSA driver and is already being tested with the zaptel ztdummy module. Signed-off-by:
Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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J. Bruce Fields authored
Share a little common code, reverse the arguments for consistency, drop the unnecessary "inline", and lowercase the name. Signed-off-by:
"J. Bruce Fields" <bfields@citi.umich.edu> Acked-by:
Neil Brown <neilb@suse.de> Signed-off-by:
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J. Bruce Fields authored
EX_RDONLY is only called in one place; just put it there. Signed-off-by:
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J. Bruce Fields authored
We can now assume that rqst_exp_get_by_name() does not return NULL; so clean up some unnecessary checks. Signed-off-by:
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J. Bruce Fields authored
I converted the various export-returning functions to return -ENOENT instead of NULL, but missed a few cases. This particular case could cause actual bugs in the case of a krb5 client that doesn't match any ip-based client and that is trying to access a filesystem not exported to krb5 clients. Signed-off-by:
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J. Bruce Fields authored
The value of nperbucket calculated here is too small--we should be rounding up instead of down--with the result that the index j in the following loop can overflow the raparm_hash array. At least in my case, the next thing in memory turns out to be export_table, so the symptoms I see are crashes caused by the appearance of four zeroed-out export entries in the first bucket of the hash table of exports (which were actually entries in the readahead cache, a pointer to which had been written to the export table in this initialization code). It looks like the bug was probably introduced with commit fce1456a ("knfsd: make the readahead params cache SMP-friendly"). Cc: <stable@kernel.org> Cc: Greg Banks <gnb@melbourne.sgi.com> Signed-off-by:
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Andrew Morton authored
page-writeback accounting is presently performed in the page-flags macros. This is inconsistent and a bit ugly and makes it awkward to implement per-backing_dev under-writeback page accounting. So move this accounting down to the callsite(s). Acked-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
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