)]}' { "log": [ { "commit": "a80a6b85b428e6ce12a8363bb1f08d44c50f3252", "tree": "250a57516ef79c94119b27ceeab4ef7d3360e6c3", "parents": [ "c24f9f195edf8c7f78eff1081cdadd26bd272ee3" ], "author": { "name": "Andrew Morton", "email": "akpm@linux-foundation.org", "time": "Thu Nov 08 15:53:35 2012 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Nov 09 06:41:46 2012 +0100" }, "message": "revert \"epoll: support for disabling items, and a self-test app\"\n\nRevert commit 03a7beb55b9f (\"epoll: support for disabling items, and a\nself-test app\") pending resolution of the issues identified by Michael\nKerrisk, copied below.\n\nWe\u0027ll revisit this for 3.8.\n\n: I\u0027ve taken a look at this patch as it currently stands in 3.7-rc1, and\n: done a bit of testing. (By the way, the test program\n: tools/testing/selftests/epoll/test_epoll.c does not compile...)\n:\n: There are one or two places where the behavior seems a little strange,\n: so I have a question or two at the end of this mail. But other than\n: that, I want to check my understanding so that the interface can be\n: correctly documented.\n:\n: Just to go though my understanding, the problem is the following\n: scenario in a multithreaded application:\n:\n: 1. Multiple threads are performing epoll_wait() operations,\n: and maintaining a user-space cache that contains information\n: corresponding to each file descriptor being monitored by\n: epoll_wait().\n:\n: 2. At some point, a thread wants to delete (EPOLL_CTL_DEL)\n: a file descriptor from the epoll interest list, and\n: delete the corresponding record from the user-space cache.\n:\n: 3. The problem with (2) is that some other thread may have\n: previously done an epoll_wait() that retrieved information\n: about the fd in question, and may be in the middle of using\n: information in the cache that relates to that fd. Thus,\n: there is a potential race.\n:\n: 4. The race can\u0027t solved purely in user space, because doing\n: so would require applying a mutex across the epoll_wait()\n: call, which would of course blow thread concurrency.\n:\n: Right?\n:\n: Your solution is the EPOLL_CTL_DISABLE operation. I want to\n: confirm my understanding about how to use this flag, since\n: the description that has accompanied the patches so far\n: has been a bit sparse\n:\n: 0. In the scenario you\u0027re concerned about, deleting a file\n: descriptor means (safely) doing the following:\n: (a) Deleting the file descriptor from the epoll interest list\n: using EPOLL_CTL_DEL\n: (b) Deleting the corresponding record in the user-space cache\n:\n: 1. It\u0027s only meaningful to use this EPOLL_CTL_DISABLE in\n: conjunction with EPOLLONESHOT.\n:\n: 2. Using EPOLL_CTL_DISABLE without using EPOLLONESHOT in\n: conjunction is a logical error.\n:\n: 3. The correct way to code multithreaded applications using\n: EPOLL_CTL_DISABLE and EPOLLONESHOT is as follows:\n:\n: a. All EPOLL_CTL_ADD and EPOLL_CTL_MOD operations should\n: should EPOLLONESHOT.\n:\n: b. When a thread wants to delete a file descriptor, it\n: should do the following:\n:\n: [1] Call epoll_ctl(EPOLL_CTL_DISABLE)\n: [2] If the return status from epoll_ctl(EPOLL_CTL_DISABLE)\n: was zero, then the file descriptor can be safely\n: deleted by the thread that made this call.\n: [3] If the epoll_ctl(EPOLL_CTL_DISABLE) fails with EBUSY,\n: then the descriptor is in use. In this case, the calling\n: thread should set a flag in the user-space cache to\n: indicate that the thread that is using the descriptor\n: should perform the deletion operation.\n:\n: Is all of the above correct?\n:\n: The implementation depends on checking on whether\n: (events \u0026 ~EP_PRIVATE_BITS) \u003d\u003d 0\n: This replies on the fact that EPOLL_CTL_AD and EPOLL_CTL_MOD always\n: set EPOLLHUP and EPOLLERR in the \u0027events\u0027 mask, and EPOLLONESHOT\n: causes those flags (as well as all others in ~EP_PRIVATE_BITS) to be\n: cleared.\n:\n: A corollary to the previous paragraph is that using EPOLL_CTL_DISABLE\n: is only useful in conjunction with EPOLLONESHOT. However, as things\n: stand, one can use EPOLL_CTL_DISABLE on a file descriptor that does\n: not have EPOLLONESHOT set in \u0027events\u0027 This results in the following\n: (slightly surprising) behavior:\n:\n: (a) The first call to epoll_ctl(EPOLL_CTL_DISABLE) returns 0\n: (the indicator that the file descriptor can be safely deleted).\n: (b) The next call to epoll_ctl(EPOLL_CTL_DISABLE) fails with EBUSY.\n:\n: This doesn\u0027t seem particularly useful, and in fact is probably an\n: indication that the user made a logic error: they should only be using\n: epoll_ctl(EPOLL_CTL_DISABLE) on a file descriptor for which\n: EPOLLONESHOT was set in \u0027events\u0027. If that is correct, then would it\n: not make sense to return an error to user space for this case?\n\nCc: Michael Kerrisk \u003cmtk.manpages@gmail.com\u003e\nCc: \"Paton J. Lewis\" \u003cpalewis@adobe.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "fc314d0a4a933603f521de343634910a4ed9b37b", "tree": "74c1b7463081783f568443dd5241c27e347d3e6d", "parents": [ "59ce8764bdfe8f3c6c02d3215741584dbb43409d" ], "author": { "name": "Daniel Hazelton", "email": "dshadowwolf@gmail.com", "time": "Thu Oct 25 13:37:59 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Oct 25 14:37:53 2012 -0700" }, "message": "tools/testing/selftests/epoll/test_epoll.c: fix build\n\nLatest Linus head run of \"make selftests\" in the tools directory failed\nwith references to undefined variables. Reference was to\n\u0027write_thread_data\u0027 which is the name of a struct that is being used, not\nthe variable itself. Change reference so it points to the variable.\n\nSigned-off-by: Daniel Hazelton \u003cdshadowwolf@gmail.com\u003e\nCc: \"Paton J. Lewis\" \u003cpalewis@adobe.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "03a7beb55b9fad363f0dd33e72ccf2d3e1c2a406", "tree": "e89cb2a2db5645600f28699ebf3b4a98195a3fb3", "parents": [ "a0a0a7a94c765f7219b57fa3b79389901bb0bc99" ], "author": { "name": "Paton J. Lewis", "email": "palewis@adobe.com", "time": "Thu Oct 04 17:13:39 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat Oct 06 03:05:00 2012 +0900" }, "message": "epoll: support for disabling items, and a self-test app\n\nEnhanced epoll_ctl to support EPOLL_CTL_DISABLE, which disables an epoll\nitem. If epoll_ctl doesn\u0027t return -EBUSY in this case, it is then safe to\ndelete the epoll item in a multi-threaded environment. Also added a new\ntest_epoll self- test app to both demonstrate the need for this feature\nand test it.\n\nSigned-off-by: Paton J. Lewis \u003cpalewis@adobe.com\u003e\nCc: Alexander Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: Jason Baron \u003cjbaron@redhat.com\u003e\nCc: Paul Holland \u003cpholland@adobe.com\u003e\nCc: Davide Libenzi \u003cdavidel@xmailserver.org\u003e\nCc: Michael Kerrisk \u003cmtk.manpages@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "99dbb1632f1165c2726056ebfce6edde0e5a0208", "tree": "2b2fc83db20b4c6d13842496899774b0dc2868e2", "parents": [ "aae6f989c6e97ff8197717fa4d032ad4eba091a7", "9c33c512b2d3167a3580659942ee78437b1b1bc6" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Oct 01 09:06:36 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Oct 01 09:06:36 2012 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial\n\nPull the trivial tree from Jiri Kosina:\n \"Tiny usual fixes all over the place\"\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits)\n doc: fix old config name of kprobetrace\n fs/fs-writeback.c: cleanup riteback_sb_inodes kerneldoc\n btrfs: fix the commment for the action flags in delayed-ref.h\n btrfs: fix trivial typo for the comment of BTRFS_FREE_INO_OBJECTID\n vfs: fix kerneldoc for generic_fh_to_parent()\n treewide: fix comment/printk/variable typos\n ipr: fix small coding style issues\n doc: fix broken utf8 encoding\n nfs: comment fix\n platform/x86: fix asus_laptop.wled_type module parameter\n mfd: printk/comment fixes\n doc: getdelays.c: remember to close() socket on error in create_nl_socket()\n doc: aliasing-test: close fd on write error\n mmc: fix comment typos\n dma: fix comments\n spi: fix comment/printk typos in spi\n Coccinelle: fix typo in memdup_user.cocci\n tmiofb: missing NULL pointer checks\n tools: perf: Fix typo in tools/perf\n tools/testing: fix comment / output typos\n ...\n" }, { "commit": "ce8283d56cfbf108a9128c7ef24bf4d94f43f298", "tree": "0556c82e094b584da3a93282bfcc2099b5acbda8", "parents": [ "ff8dd30f7a13d6b295544ace63cf5efd17c46693" ], "author": { "name": "Masanari Iida", "email": "standby24x7@gmail.com", "time": "Wed Jul 18 00:56:18 2012 +0900" }, "committer": { "name": "Jiri Kosina", "email": "jkosina@suse.cz", "time": "Sat Sep 01 08:48:19 2012 -0700" }, "message": "tools/testing: fix comment / output typos\n\nCorrect spelling typo in tools/testing\n\nSigned-off-by: Masanari Iida \u003cstandby24x7@gmail.com\u003e\nSigned-off-by: Jiri Kosina \u003cjkosina@suse.cz\u003e\n" }, { "commit": "d89dffa976bcd13fd87eb76e02e3b71c3a7868e3", "tree": "28c6c2185aed3ebf3c0cea008ffd021cbc2d3cdc", "parents": [ "08dfb4ddeeeebdee4f3d5a08a87dc9aa68d26f81" ], "author": { "name": "Akinobu Mita", "email": "akinobu.mita@gmail.com", "time": "Mon Jul 30 14:43:17 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jul 30 17:25:22 2012 -0700" }, "message": "fault-injection: add selftests for cpu and memory hotplug\n\nThis adds two selftests\n\n* tools/testing/selftests/cpu-hotplug/on-off-test.sh is testing script\nfor CPU hotplug\n\n1. Online all hot-pluggable CPUs\n2. Offline all hot-pluggable CPUs\n3. Online all hot-pluggable CPUs again\n4. Exit if cpu-notifier-error-inject.ko is not available\n5. Offline all hot-pluggable CPUs in preparation for testing\n6. Test CPU hot-add error handling by injecting notifier errors\n7. Online all hot-pluggable CPUs in preparation for testing\n8. Test CPU hot-remove error handling by injecting notifier errors\n\n* tools/testing/selftests/memory-hotplug/on-off-test.sh is doing the\nsimilar thing for memory hotplug.\n\n1. Online all hot-pluggable memory\n2. Offline 10% of hot-pluggable memory\n3. Online all hot-pluggable memory again\n4. Exit if memory-notifier-error-inject.ko is not available\n5. Offline 10% of hot-pluggable memory in preparation for testing\n6. Test memory hot-add error handling by injecting notifier errors\n7. Online all hot-pluggable memory in preparation for testing\n8. Test memory hot-remove error handling by injecting notifier errors\n\nSigned-off-by: Akinobu Mita \u003cakinobu.mita@gmail.com\u003e\nSuggested-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Pavel Machek \u003cpavel@ucw.cz\u003e\nCc: \"Rafael J. Wysocki\" \u003crjw@sisk.pl\u003e\nCc: Greg KH \u003cgreg@kroah.com\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Michael Ellerman \u003cmichael@ellerman.id.au\u003e\nCc: Dave Jones \u003cdavej@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "d97b46a64674a267bc41c9e16132ee2a98c3347d", "tree": "316f77d212c84aef226684eb05d5d33f40743ac9", "parents": [ "818411616baf46ceba0cff6f05af3a9b294734f7" ], "author": { "name": "Cyrill Gorcunov", "email": "gorcunov@openvz.org", "time": "Thu May 31 16:26:44 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:32 2012 -0700" }, "message": "syscalls, x86: add __NR_kcmp syscall\n\nWhile doing the checkpoint-restore in the user space one need to determine\nwhether various kernel objects (like mm_struct-s of file_struct-s) are\nshared between tasks and restore this state.\n\nThe 2nd step can be solved by using appropriate CLONE_ flags and the\nunshare syscall, while there\u0027s currently no ways for solving the 1st one.\n\nOne of the ways for checking whether two tasks share e.g. mm_struct is to\nprovide some mm_struct ID of a task to its proc file, but showing such\ninfo considered to be not that good for security reasons.\n\nThus after some debates we end up in conclusion that using that named\n\u0027comparison\u0027 syscall might be the best candidate. So here is it --\n__NR_kcmp.\n\nIt takes up to 5 arguments - the pids of the two tasks (which\ncharacteristics should be compared), the comparison type and (in case of\ncomparison of files) two file descriptors.\n\nLookups for pids are done in the caller\u0027s PID namespace only.\n\nAt moment only x86 is supported and tested.\n\n[akpm@linux-foundation.org: fix up selftests, warnings]\n[akpm@linux-foundation.org: include errno.h]\n[akpm@linux-foundation.org: tweak comment text]\nSigned-off-by: Cyrill Gorcunov \u003cgorcunov@openvz.org\u003e\nAcked-by: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Pavel Emelyanov \u003cxemul@parallels.com\u003e\nCc: Andrey Vagin \u003cavagin@openvz.org\u003e\nCc: KOSAKI Motohiro \u003ckosaki.motohiro@gmail.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: H. Peter Anvin \u003chpa@zytor.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Glauber Costa \u003cglommer@parallels.com\u003e\nCc: Andi Kleen \u003candi@firstfloor.org\u003e\nCc: Tejun Heo \u003ctj@kernel.org\u003e\nCc: Matt Helsley \u003cmatthltc@us.ibm.com\u003e\nCc: Pekka Enberg \u003cpenberg@kernel.org\u003e\nCc: Eric Dumazet \u003ceric.dumazet@gmail.com\u003e\nCc: Vasiliy Kulikov \u003csegoon@openwall.com\u003e\nCc: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nCc: Valdis.Kletnieks@vt.edu\nCc: Michal Marek \u003cmmarek@suse.cz\u003e\nCc: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "7820b0715b6fb1378fab41b27fb7aa3950852cb7", "tree": "f5720d49643717253c6c427fab45300ba4818bdf", "parents": [ "113289cc086f80f28acd06f160a7c6423cdd4191" ], "author": { "name": "Doug Ledford", "email": "dledford@redhat.com", "time": "Thu May 31 16:26:37 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:31 2012 -0700" }, "message": "tools/selftests: add mq_perf_tests\n\nAdd the mq_perf_tests tool I used when creating my mq performance patch.\nAlso add a local .gitignore to keep the binaries from showing up in git\nstatus output.\n\n[akpm@linux-foundation.org: checkpatch fixes]\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nCc: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "50069a5851323ba5def0e414a21e234345016870", "tree": "b7a6af308f2416e0da77adc7b59bfa5e84d61989", "parents": [ "cef0184c115e5e4e10498f6548d9526465e72478" ], "author": { "name": "Doug Ledford", "email": "dledford@redhat.com", "time": "Thu May 31 16:26:34 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:31 2012 -0700" }, "message": "selftests: add mq_open_tests\n\nAdd a directory to house POSIX message queue subsystem specific tests.\nAdd first test which checks the operation of mq_open() under various\ncorner conditions.\n\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: Joe Korty \u003cjoe.korty@ccur.com\u003e\nCc: Amerigo Wang \u003camwang@redhat.com\u003e\nCc: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: Jiri Slaby \u003cjslaby@suse.cz\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "f0f57b2b1488251970c25deea0ea150a8d0911ed", "tree": "6a1021691892c6bfa6c7471861b87eb72cd1be1a", "parents": [ "63e315535abe0d820d0e3db4c06bc5de74aeefc8" ], "author": { "name": "Dave Young", "email": "dyoung@redhat.com", "time": "Wed Mar 28 14:42:56 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Mar 28 17:14:37 2012 -0700" }, "message": "mm: move hugepage test examples to tools/testing/selftests/vm\n\nhugepage-mmap.c, hugepage-shm.c and map_hugetlb.c in Documentation/vm are\nsimple pass/fail tests, It\u0027s better to promote them to\ntools/testing/selftests.\n\nThanks suggestion of Andrew Morton about this. They all need firstly\nsetting up proper nr_hugepages and hugepage-mmap need to mount hugetlbfs.\nSo I add a shell script run_vmtests to do such work which will call the\nthree test programs and check the return value of them.\n\nChanges to original code including below:\na. add run_vmtests script\nb. return error when read_bytes mismatch with writed bytes.\nc. coding style fixes: do not use assignment in if condition\n\n[akpm@linux-foundation.org: build the targets before trying to execute them]\n[akpm@linux-foundation.org: Documentation/vm/ no longer has a Makefile. Fixes \"make clean\"]\nSigned-off-by: Dave Young \u003cdyoung@redhat.com\u003e\nCc: Wu Fengguang \u003cfengguang.wu@intel.com\u003e\nCc: Christoph Lameter \u003ccl@linux.com\u003e\nCc: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nCc: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "cab6b0560080c6da5107c5d7dbba6372f7b288ab", "tree": "80603cebd91e43f94311385655c409bd9d9bdc7c", "parents": [ "f467f7140339355978994ffcc23d569e7b4cea4d" ], "author": { "name": "Andrew Morton", "email": "akpm@linux-foundation.org", "time": "Wed Mar 28 14:42:54 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Mar 28 17:14:37 2012 -0700" }, "message": "selftests/Makefile: make `run_tests\u0027 depend on `all\u0027\n\nSo a \"make run_tests\" will build the tests before trying to run them.\n\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "f467f7140339355978994ffcc23d569e7b4cea4d", "tree": "e07042c375ec799b8aa249a318e876e69a1c4117", "parents": [ "0fc9d1040313047edf6a39fd4d7c7defdca97c62" ], "author": { "name": "Frederic Weisbecker", "email": "fweisbec@gmail.com", "time": "Wed Mar 28 14:42:54 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Mar 28 17:14:37 2012 -0700" }, "message": "selftests: launch individual selftests from the main Makefile\n\nRemove the run_tests script and launch the selftests by calling \"make\nrun_tests\" from the selftests top directory instead. This delegates to\nthe Makefile in each selftest directory, where it is decided how to launch\nthe local test.\n\nThis removes the need to add each selftest directory to the now removed\n\"run_tests\" top script.\n\nSigned-off-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Dave Young \u003cdyoung@redhat.com\u003e\nCc: Christoph Lameter \u003ccl@linux.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "85bbddc37b2bf947a577d572b1c4c23bf829217f", "tree": "07e483b13f93d6e5eb08d4423648a0812b41b3fe", "parents": [ "274343ad3e63c4dcee6744a75b5553940de4a0f6" ], "author": { "name": "Frederic Weisbecker", "email": "fweisbec@gmail.com", "time": "Thu Jan 12 17:20:46 2012 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jan 12 20:13:12 2012 -0800" }, "message": "selftests: new x86 breakpoints selftest\n\nBring a first selftest in the relevant directory. This tests several\ncombinations of breakpoints and watchpoints in x86, as well as icebp traps\nand int3 traps. Given the amount of breakpoint regressions we raised\nafter we merged the generic breakpoint infrastructure, such selftest\nbecame necessary and can still serve today as a basis for new patches that\ntouch the do_debug() path.\n\nSigned-off-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: H. Peter Anvin \u003chpa@zytor.com\u003e\nCc: Jason Wessel \u003cjason.wessel@windriver.com\u003e\nCc: Will Deacon \u003cwill.deacon@arm.com\u003e\nCc: Michal Marek \u003cmmarek@suse.cz\u003e\nCc: Sam Ravnborg \u003csam@ravnborg.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "274343ad3e63c4dcee6744a75b5553940de4a0f6", "tree": "0ac8f5470f2ae949876e7dbe60bdbcc5b441c5ea", "parents": [ "e2bdb933ab8b7db71c318a4ddcf78a9fffd61ecb" ], "author": { "name": "Frederic Weisbecker", "email": "fweisbec@gmail.com", "time": "Thu Jan 12 17:20:44 2012 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jan 12 20:13:12 2012 -0800" }, "message": "selftests: new very basic kernel selftests directory\n\nBring a new kernel selftests directory in tools/testing/selftests. To\nadd a new selftest, create a subdirectory with the sources and a\nmakefile that creates a target named \"run_test\" then add the\nsubdirectory name to the TARGET var in tools/testing/selftests/Makefile\nand tools/testing/selftests/run_tests script.\n\nThis can help centralizing and maintaining any useful selftest that\ndevelopers usually tend to let rust in peace on some random server.\n\nSuggested-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: \"H. Peter Anvin\" \u003chpa@zytor.com\u003e\nCc: Jason Wessel \u003cjason.wessel@windriver.com\u003e\nCc: Will Deacon \u003cwill.deacon@arm.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: Michal Marek \u003cmmarek@suse.cz\u003e\nCc: Sam Ravnborg \u003csam@ravnborg.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" } ] }