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2013-01-03Drivers: edac: remove __dev* attributes.Greg Kroah-Hartman
CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Doug Thompson <dougthompson@xmission.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Mark Gross <mark.gross@intel.com> Cc: Jason Uhlenkott <juhlenko@akamai.com> Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Tim Small <tim@buttersideup.com> Cc: Ranganathan Desikan <ravi@jetztechnologies.com> Cc: "Arvind R." <arvino55@gmail.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: David Daney <david.daney@cavium.com> Cc: Egor Martovetsky <egor@pasemi.com> Cc: Olof Johansson <olof@lixom.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-25i82975x_edac: Fix dimm label initializationMauro Carvalho Chehab
The driver has only 4 hardcoded labels, but allows much more memory. Fix it by removing the hardcoded logic, using snprintf() instead. [ 19.833972] general protection fault: 0000 [#1] SMP [ 19.837733] Modules linked in: i82975x_edac(+) edac_core firewire_ohci firewire_core crc_itu_t nouveau mxm_wmi wmi video i2c_algo_bit drm_kms_helper ttm drm i2c_core [ 19.837733] CPU 0 [ 19.837733] Pid: 390, comm: udevd Not tainted 3.6.1-1.fc17.x86_64.debug #1 Dell Inc. Precision WorkStation 390 /0MY510 [ 19.837733] RIP: 0010:[<ffffffff813463a8>] [<ffffffff813463a8>] strncpy+0x18/0x30 [ 19.837733] RSP: 0018:ffff880078535b68 EFLAGS: 00010202 [ 19.837733] RAX: ffff880069fa9708 RBX: ffff880078588000 RCX: ffff880069fa9708 [ 19.837733] RDX: 000000000000001f RSI: 5f706f5f63616465 RDI: ffff880069fa9708 [ 19.837733] RBP: ffff880078535b68 R08: ffff880069fa9727 R09: 000000000000fffe [ 19.837733] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 19.837733] R13: 0000000000000000 R14: ffff880069fa9290 R15: ffff880079624a80 [ 19.837733] FS: 00007f3de01ee840(0000) GS:ffff88007c400000(0000) knlGS:0000000000000000 [ 19.837733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.837733] CR2: 00007f3de00b9000 CR3: 0000000078dbc000 CR4: 00000000000007f0 [ 19.837733] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.837733] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 19.837733] Process udevd (pid: 390, threadinfo ffff880078534000, task ffff880079642450) [ 19.837733] Stack: [ 19.837733] ffff880078535c18 ffffffffa017c6b8 00040000816d627f ffff880079624a88 [ 19.837733] ffffc90004cd6000 ffff880079624520 ffff88007ac21148 0000000000000000 [ 19.837733] 0000000000000000 0004000000000000 feda000078535bc8 ffffffff810d696d [ 19.837733] Call Trace: [ 19.837733] [<ffffffffa017c6b8>] i82975x_init_one+0x2e6/0x3e6 [i82975x_edac] ... Fix bug reported at: https://bugzilla.redhat.com/show_bug.cgi?id=848149 And, very likely: https://bbs.archlinux.org/viewtopic.php?id=148033 https://bugzilla.kernel.org/show_bug.cgi?id=47171 Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-12edac: edac_mc_handle_error(): add an error_count parameterMauro Carvalho Chehab
In order to avoid loosing error events, it is desirable to group error events together and generate a single trace for several identical errors. The trace API already allows reporting multiple errors. Change the handle_error function to also allow that. The changes at the drivers were made by this small script: $file .=$_ while (<>); $file =~ s/(edac_mc_handle_error)\s*\(([^\,]+)\,([^\,]+)\,/$1($2,$3, 1,/g; print $file; Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11edac: remove arch-specific parameter for the error handlerMauro Carvalho Chehab
Remove the arch-dependent parameter, as it were not used, as the MCE tracepoint weren't implemented. It probably doesn't make sense to have an MCE-specific tracepoint, as this will cost more bytes at the tracepoint, and tracepoint is not free. The changes at the EDAC drivers were done by this small perl script: $file .=$_ while (<>); $file =~ s/(edac_mc_handle_error)\s*\(([^\;]+)\,([^\,\)]+)\s*\)/$1($2)/g; print $file; Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11edac: Convert debugfX to edac_dbg(X,Joe Perches
Use a more common debugging style. Remove __FILE__ uses, add missing newlines, coalesce formats and align arguments. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11edac: Don't add __func__ or __FILE__ for debugf[0-9] msgsMauro Carvalho Chehab
The debug macro already adds that. Most of the work here was made by this small script: $f .=$_ while (<>); $f =~ s/(debugf[0-9]\s*\(\s*)__FILE__\s*": /\1"/g; $f =~ s/(debugf[0-9]\s*\(\s*)__FILE__\s*/\1/g; $f =~ s/(debugf[0-9]\s*\(\s*)__FILE__\s*"MC: /\1"/g; $f =~ s/(debugf[0-9]\s*\(\")\%s[\:\,\(\)]*\s*([^\"]*\s*[^\)]+)__func__\s*\,\s*/\1\2/g; $f =~ s/(debugf[0-9]\s*\(\")\%s[\:\,\(\)]*\s*([^\"]*\s*[^\)]+),\s*__func__\s*\)/\1\2)/g; $f =~ s/(debugf[0-9]\s*\(\"MC\:\s*)\%s[\:\,\(\)]*\s*([^\"]*\s*[^\)]+)__func__\s*\,\s*/\1\2/g; $f =~ s/(debugf[0-9]\s*\(\"MC\:\s*)\%s[\:\,\(\)]*\s*([^\"]*\s*[^\)]+),\s*__func__\s*\)/\1\2)/g; $f =~ s/\"MC\: \\n\"/"MC:\\n"/g; print $f; After running the script, manual cleanups were done to fix it the remaining places. While here, removed the __LINE__ on most places, as it doesn't actually give useful info on most places. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11edac: change the mem allocation scheme to make Documentation/kobject.txt happyMauro Carvalho Chehab
Kernel kobjects have rigid rules: each container object should be dynamically allocated, and can't be allocated into a single kmalloc. EDAC never obeyed this rule: it has a single malloc function that allocates all needed data into a single kzalloc. As this is not accepted anymore, change the allocation schema of the EDAC *_info structs to enforce this Kernel standard. Acked-by: Chris Metcalf <cmetcalf@tilera.com> Cc: Aristeu Rozanski <arozansk@redhat.com> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Greg K H <gregkh@linuxfoundation.org> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Mark Gross <mark.gross@intel.com> Cc: Tim Small <tim@buttersideup.com> Cc: Ranganathan Desikan <ravi@jetztechnologies.com> Cc: "Arvind R." <arvino55@gmail.com> Cc: Olof Johansson <olof@lixom.net> Cc: Egor Martovetsky <egor@pasemi.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Hitoshi Mitake <h.mitake@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Shaohui Xie <Shaohui.Xie@freescale.com> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11edac: Rename the parent dev to pdevMauro Carvalho Chehab
As EDAC doesn't use struct device itself, it created a parent dev pointer called as "pdev". Now that we'll be converting it to use struct device, instead of struct devsys, this needs to be fixed. No functional changes. Reviewed-by: Aristeu Rozanski <arozansk@redhat.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Mark Gross <mark.gross@intel.com> Cc: Jason Uhlenkott <juhlenko@akamai.com> Cc: Tim Small <tim@buttersideup.com> Cc: Ranganathan Desikan <ravi@jetztechnologies.com> Cc: "Arvind R." <arvino55@gmail.com> Cc: Olof Johansson <olof@lixom.net> Cc: Egor Martovetsky <egor@pasemi.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Joe Perches <joe@perches.com> Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Hitoshi Mitake <h.mitake@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com> Cc: Shaohui Xie <Shaohui.Xie@freescale.com> Cc: Josh Boyer <jwboyer@gmail.com> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28i82975x_edac: Test nr_pages earlier to save a few CPU cyclesMauro Carvalho Chehab
Avoid test nr_pages twice, and initializing some data that won't be used. Cleanup patch only. Reported-by: Aristeu Rozanski Filho <arozansk@redhat.com> Reviewed-by: Aristeu Rozanski <arozansk@redhat.com> Cc: Ranganathan Desikan <ravi@jetztechnologies.com> Cc: "Arvind R." <arvino55@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28edac: Remove the legacy EDAC ABIMauro Carvalho Chehab
Now that all drivers got converted to use the new ABI, we can drop the old one. Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28i82975x_edac: convert driver to use the new edac ABIMauro Carvalho Chehab
The legacy edac ABI is going to be removed. Port the driver to use and benefit from the new API functionality. Cc: Ranganathan Desikan <ravi@jetztechnologies.com> Cc: "Arvind R." <arvino55@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28edac: move nr_pages to dimm structMauro Carvalho Chehab
The number of pages is a dimm property. Move it to the dimm struct. After this change, it is possible to add sysfs nodes for the DIMM's that will properly represent the DIMM stick properties, including its size. A TODO fix here is to properly represent dual-rank/quad-rank DIMMs when the memory controller represents the memory via chip select rows. Reviewed-by: Aristeu Rozanski <arozansk@redhat.com> Acked-by: Borislav Petkov <borislav.petkov@amd.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Mark Gross <mark.gross@intel.com> Cc: Jason Uhlenkott <juhlenko@akamai.com> Cc: Tim Small <tim@buttersideup.com> Cc: Ranganathan Desikan <ravi@jetztechnologies.com> Cc: "Arvind R." <arvino55@gmail.com> Cc: Olof Johansson <olof@lixom.net> Cc: Egor Martovetsky <egor@pasemi.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Joe Perches <joe@perches.com> Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Hitoshi Mitake <h.mitake@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com> Cc: Shaohui Xie <Shaohui.Xie@freescale.com> Cc: Josh Boyer <jwboyer@gmail.com> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28edac: move dimm properties to struct dimm_infoMauro Carvalho Chehab
On systems based on chip select rows, all channels need to use memories with the same properties, otherwise the memories on channels A and B won't be recognized. However, such assumption is not true for all types of memory controllers. Controllers for FB-DIMM's don't have such requirements. Also, modern Intel controllers seem to be capable of handling such differences. So, we need to get rid of storing the DIMM information into a per-csrow data, storing it, instead at the right place. The first step is to move grain, mtype, dtype and edac_mode to the per-dimm struct. Reviewed-by: Aristeu Rozanski <arozansk@redhat.com> Reviewed-by: Borislav Petkov <borislav.petkov@amd.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Mark Gross <mark.gross@intel.com> Cc: Jason Uhlenkott <juhlenko@akamai.com> Cc: Tim Small <tim@buttersideup.com> Cc: Ranganathan Desikan <ravi@jetztechnologies.com> Cc: "Arvind R." <arvino55@gmail.com> Cc: Olof Johansson <olof@lixom.net> Cc: Egor Martovetsky <egor@pasemi.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Joe Perches <joe@perches.com> Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Hitoshi Mitake <h.mitake@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: James Bottomley <James.Bottomley@parallels.com> Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com> Cc: Shaohui Xie <Shaohui.Xie@freescale.com> Cc: Josh Boyer <jwboyer@gmail.com> Cc: Mike Williams <mike@mikebwilliams.com> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28edac: Create a dimm struct and move the labels into itMauro Carvalho Chehab
The way a DIMM is currently represented implies that they're linked into a per-csrow struct. However, some drivers don't see csrows, as they're ridden behind some chip like the AMB's on FBDIMM's, for example. This forced drivers to fake^Wvirtualize a csrow struct, and to create a mess under csrow/channel original's concept. Move the DIMM labels into a per-DIMM struct, and add there the real location of the socket, in terms of csrow/channel. Latter patches will modify the location to properly represent the memory architecture. All other drivers will use a per-csrow type of location. Some of those drivers will require a latter conversion, as they also fake the csrows internally. TODO: While this patch doesn't change the existing behavior, on csrows-based memory controllers, a csrow/channel pair points to a memory rank. There's a known bug at the EDAC core that allows having different labels for the same DIMM, if it has more than one rank. A latter patch is need to merge the several ranks for a DIMM into the same dimm_info struct, in order to avoid having different labels for the same DIMM. The edac_mc_alloc() will now contain a per-dimm initialization loop that will be changed by latter patches in order to match other types of memory architectures. Reviewed-by: Aristeu Rozanski <arozansk@redhat.com> Reviewed-by: Borislav Petkov <borislav.petkov@amd.com> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Ranganathan Desikan <ravi@jetztechnologies.com> Cc: "Arvind R." <arvino55@gmail.com> Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-19EDAC: Make pci_device_id tables __devinitconst.Lionel Debroux
These const tables are currently marked __devinitdata, but Documentation/PCI/pci.txt says: "o The ID table array should be marked __devinitconst; this is done automatically if the table is declared with DEFINE_PCI_DEVICE_TABLE()." So use DEFINE_PCI_DEVICE_TABLE(x). Based on PaX and earlier work by Andi Kleen. Signed-off-by: Lionel Debroux <lionel_debroux@yahoo.fr> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-10-29edac:i82975x fix 32bit compile and cleanupArvind R
the clean up achieves: 1. fix warning on 32-bit compile 2. reorder info extraction for clarity 3. add error-trap diagnostic message 4. handle ALL modes of memory configurations Signed-off-by: Arvind R. <arvino55@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-04-19edac: Drop __DATE__ usageMichal Marek
The kernel already prints its build timestamp during boot, no need to repeat it in random drivers and produce different object files each time. Cc: Doug Thompson <dougthompson@xmission.com> Cc: bluesmoke-devel@lists.sourceforge.net Cc: linux-edac@vger.kernel.org Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-02-17edac: correct i82975x error-info reportedArvind R
to edac-core fix the totally wrong info w.r.t page,row,dimm-label previously reported to edac-core by i82975x driver Signed-off-by: Arvind R. <arvino55@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-02-17edac: correct i82975x mci initialisationArvind R
corrected mtype, and added dev_name,scrubmode initialisers in i82975x struct mem_ctl initialisation Signed-off-by: Arvind R. <arvino55@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-02-17edac: correct commented infoArvind R
wrong comments in i82975x driver corrected Signed-off-by: Arvind R. <arvino55@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-01-24edac: i82975x author/maintainer email address changeArvind R
edac-i82975x author/maintainer email address change Signed-off-by: Arvind R. <arvino55@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-03-30include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo
implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2008-04-29edac: fix module initialization on several modules 2nd timeHitoshi Mitake
I implemented opstate_init() as a inline function in linux/edac.h. added calling opstate_init() to: i82443bxgx_edac.c i82860_edac.c i82875p_edac.c i82975x_edac.c I wrote a fixed patch of edac-fix-module-initialization-on-several-modules.patch, and tested building 2.6.25-rc7 with applying this. It was succeed. I think the patch is now correct. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Hitoshi Mitake <h.mitake@gmail.com> Signed-off-by: Doug Thompson <dougthompson@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19drivers/edac: new i82975x driverRanganathan Desikan
New EDAC driver for the i82975x memory controller chipset Used on ASUS motherboards [akpm@linux-foundation.org: fix multiple coding-style bloopers] Signed-off-by: <arvind@acarlab.com> Signed-off-by: Ranganathan Desikan <rdesikan@jetzbroadband.com> Signed-off-by: Doug Thompson <dougthompson@xmission.com> Cc: Greg KH <greg@kroah.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>