- 20 7月, 2007 40 次提交
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由 Douglas Thompson 提交于
Patch to fix some scrubbing #defines in the edac_core.h file Signed-off-by: NDouglas Thompson <dougthompson@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Eric Wollesen 提交于
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: NEric Wollesen <ericw@xmtp.net> Signed-off-by: NDoug Thompson <norsk5@xmission.com> Signed-off-by: NMariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Matthias Kaehlcke 提交于
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: NMatthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by: NDouglas Thompson <dougthompson@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Dave Jiang 提交于
Adding missing mem types for use in the sysfs presentation file for Memory Controller device objects. Signed-off-by: NDave Jiang <djiang@mvista.com> Signed-off-by: NDoug Thompson <dougthompson@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Douglas Thompson 提交于
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: NDouglas Thompson <dougthompson@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Douglas Thompson 提交于
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: NDouglas Thompson <dougthompson@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Douglas Thompson 提交于
Add Registered RDDR2 memory types for displaying DDR2 memories Signed-off-by: NDouglas Thompson <dougthompson@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Bunk 提交于
This patch makes needlessly global code static, in the edac core Signed-off-by: NAdrian Bunk <bunk@stusta.de> Cc: Doug Thompson <norsk5@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Douglas Thompson 提交于
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: NDouglas Thompson <dougthompson@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
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: NRusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: NJames Morris <jmorris@namei.org> Cc: Matias Zabaljauregui <matias.zabaljauregui@cern.ch> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
Lguest block driver A simple block driver for lguest. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
Lguest net driver A simple net driver for lguest. [akpm@linux-foundation.org: include fix] Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Cc: Jeff Garzik <jeff@garzik.org> Acked-by: NJames Morris <jmorris@namei.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
A simple console driver for lguest. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
This is the Kconfig and Makefile to allow lguest to actually be compiled. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
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: NRusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
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: NRusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Cc: Eric Dumazet <dada1@cosmosbay.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
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: NRusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
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: NRusty Russell <rusty@rustcorp.com.au> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Alessandro Zummo 提交于
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: NAlessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 J. Bruce Fields 提交于
Share a little common code, reverse the arguments for consistency, drop the unnecessary "inline", and lowercase the name. Signed-off-by: N"J. Bruce Fields" <bfields@citi.umich.edu> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 J. Bruce Fields 提交于
EX_RDONLY is only called in one place; just put it there. Signed-off-by: N"J. Bruce Fields" <bfields@citi.umich.edu> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 J. Bruce Fields 提交于
We can now assume that rqst_exp_get_by_name() does not return NULL; so clean up some unnecessary checks. Signed-off-by: N"J. Bruce Fields" <bfields@citi.umich.edu> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 J. Bruce Fields 提交于
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: N"J. Bruce Fields" <bfields@citi.umich.edu> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 J. Bruce Fields 提交于
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: N"J. Bruce Fields" <bfields@citi.umich.edu> Acked-by: NNeilBrown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andrew Morton 提交于
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: NPeter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Thomas Gleixner 提交于
Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Thomas Gleixner 提交于
clocksource_adjust() has a clock argument, which shadows the file global clock variable. Fix this up. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Greg Ungerer 提交于
Remove is_in_rom() function. It doesn't actually serve the purpose it was intended to. If you look at the use of it _access_ok() (which is the only use of it) then it is obvious that most of memory is marked as access_ok. No point having is_in_rom() then, so remove it. Signed-off-by: NGreg Ungerer <gerg@uclinux.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Greg Ungerer 提交于
In die_if_kernel() start the stack dump at the exception-time SP, not at the SP with all the saved registers; the stack below exception-time sp contains only exception-saved values and is already printed in details just before. Signed-off-by: NPhilippe De Muyter <phdm@macqel.be> Signed-off-by: NGreg Ungerer <gerg@uclinux.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Greg Ungerer 提交于
Change the m68knommu irq handling to use the generic irq framework. Signed-off-by: NGreg Ungerer <gerg@uclinux.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
Use appropriate accessor function to set compound page destructor function. Cc: William Irwin <wli@holomorphy.com> Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Acked-by: NAdam Litke <agl@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Hugh Dickins 提交于
The fix to that race in alloc_fresh_huge_page() which could give an illegal node ID did not need nid_lock at all: the fix was to replace static int nid by static int prev_nid and do the work on local int nid. nid_lock did make sure that racers strictly roundrobin the nodes, but that's not something we need to enforce strictly. Kill nid_lock. Signed-off-by: NHugh Dickins <hugh@veritas.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Alexey Dobriyan 提交于
There is check_reset() -- global function in drivers/isdn/sc/ There is check_reset -- variable holding module param in aacraid driver. On allyesconfig they clash with: LD drivers/built-in.o drivers/isdn/built-in.o: In function `check_reset': : multiple definition of `check_reset' drivers/scsi/built-in.o:(.data+0xe458): first defined here ld: Warning: size of symbol `check_reset' changed from 4 in drivers/scsi/built-in.o to 219 in drivers/isdn/built-in.o ld: Warning: type of symbol `check_reset' changed from 1 to 2 in drivers/isdn/built-in.o Rename the former. Signed-off-by: NAlexey Dobriyan <adobriyan@sw.ru> Cc: Karsten Keil <kkeil@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Benjamin Herrenschmidt 提交于
I've noticed lots of failures of vmalloc_32 on machines where it shouldn't have failed unless it was doing an atomic operation. Looking closely, I noticed that: #if defined(CONFIG_64BIT) && defined(CONFIG_ZONE_DMA32) #define GFP_VMALLOC32 GFP_DMA32 #elif defined(CONFIG_64BIT) && defined(CONFIG_ZONE_DMA) #define GFP_VMALLOC32 GFP_DMA #else #define GFP_VMALLOC32 GFP_KERNEL #endif Which seems to be incorrect, it should always -or- in the DMA flags on top of GFP_KERNEL, thus this patch. This fixes frequent errors launchin X with the nouveau DRM for example. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Andi Kleen <ak@suse.de> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Howells 提交于
Work around a possible bug in the FRV compiler. What appears to be happening is that gcc resolves the __builtin_constant_p() in kmalloc() to true, but then fails to reduce the therefore constant conditions in the if-statements it guards to constant results. When compiling with -O2 or -Os, one single spurious error crops up in cpuup_callback() in mm/slab.c. This can be avoided by making the memsize variable const. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andrew Morton 提交于
mm/hugetlb.c: In function `dequeue_huge_page': mm/hugetlb.c:72: warning: 'nid' might be used uninitialized in this function Cc: Christoph Lameter <clameter@sgi.com> Cc: Adam Litke <agl@us.ibm.com> Cc: David Gibson <hermes@gibson.dropbear.id.au> Cc: William Lee Irwin III <wli@holomorphy.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Yoann Padioleau 提交于
Transform some calls to kmalloc/memset to a single kzalloc (or kcalloc). Here is a short excerpt of the semantic patch performing this transformation: @@ type T2; expression x; identifier f,fld; expression E; expression E1,E2; expression e1,e2,e3,y; statement S; @@ x = - kmalloc + kzalloc (E1,E2) ... when != \(x->fld=E;\|y=f(...,x,...);\|f(...,x,...);\|x=E;\|while(...) S\|for(e1;e2;e3) S\) - memset((T2)x,0,E1); @@ expression E1,E2,E3; @@ - kzalloc(E1 * E2,E3) + kcalloc(E1,E2,E3) [akpm@linux-foundation.org: get kcalloc args the right way around] Signed-off-by: NYoann Padioleau <padator@wanadoo.fr> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Acked-by: NRussell King <rmk@arm.linux.org.uk> Cc: Bryan Wu <bryan.wu@analog.com> Acked-by: NJiri Slaby <jirislaby@gmail.com> Cc: Dave Airlie <airlied@linux.ie> Acked-by: NRoland Dreier <rolandd@cisco.com> Cc: Jiri Kosina <jkosina@suse.cz> Acked-by: NDmitry Torokhov <dtor@mail.ru> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: NMauro Carvalho Chehab <mchehab@infradead.org> Acked-by: NPierre Ossman <drzeus-list@drzeus.cx> Cc: Jeff Garzik <jeff@garzik.org> Cc: "David S. Miller" <davem@davemloft.net> Acked-by: NGreg KH <greg@kroah.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Johannes Berg 提交于
The print_stack_trace macro in stacktrace.h has a wrong number of arguments, fix it. Signed-off-by: NJohannes Berg <johannes@sipsolutions.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arjan van de Ven <arjan@infradead.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Johannes Berg 提交于
When I started adding support for lockdep to 64-bit powerpc, I got a lockdep_init_error and with this patch was able to pinpoint why and where to put lockdep_init(). Let's support this generally for others adding lockdep support to their architecture. Signed-off-by: NJohannes Berg <johannes@sipsolutions.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arjan van de Ven <arjan@infradead.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Peter Zijlstra 提交于
optionally add class->name_version and class->subclass to the class name Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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