)]}' { "log": [ { "commit": "7608dec2ce2004c234339bef8c8074e5e601d0e9", "tree": "a855754a4fa3de6fe0d287c9d94d58d7bd6e8978", "parents": [ "013fdb8086acaae5f8eb96f9ad48fcd98882ac46" ], "author": { "name": "Peter Zijlstra", "email": "a.p.zijlstra@chello.nl", "time": "Tue Apr 05 17:23:46 2011 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu Apr 14 08:52:36 2011 +0200" }, "message": "sched: Drop the rq argument to sched_class::select_task_rq()\n\nIn preparation of calling select_task_rq() without rq-\u003elock held, drop\nthe dependency on the rq argument.\n\nReviewed-by: Frank Rowand \u003cfrank.rowand@am.sony.com\u003e\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nCc: Mike Galbraith \u003cefault@gmx.de\u003e\nCc: Nick Piggin \u003cnpiggin@kernel.dk\u003e\nCc: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nLink: http://lkml.kernel.org/r/20110405152729.031077745@chello.nl\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "fd2f4419b4cbe8fe90796df9617c355762afd6a4", "tree": "9eefa7f46c7163f00adb416ff4b9db97653d2665", "parents": [ "d7c01d27ab767a30d672d1fd657aa8336ebdcbca" ], "author": { "name": "Peter Zijlstra", "email": "a.p.zijlstra@chello.nl", "time": "Tue Apr 05 17:23:44 2011 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu Apr 14 08:52:35 2011 +0200" }, "message": "sched: Provide p-\u003eon_rq\n\nProvide a generic p-\u003eon_rq because the p-\u003ese.on_rq semantics are\nunfavourable for lockless wakeups but needed for sched_fair.\n\nIn particular, p-\u003eon_rq is only cleared when we actually dequeue the\ntask in schedule() and not on any random dequeue as done by things\nlike __migrate_task() and __sched_setscheduler().\n\nThis also allows us to remove p-\u003ese usage from !sched_fair code.\n\nReviewed-by: Frank Rowand \u003cfrank.rowand@am.sony.com\u003e\nCc: Mike Galbraith \u003cefault@gmx.de\u003e\nCc: Nick Piggin \u003cnpiggin@kernel.dk\u003e\nCc: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLink: http://lkml.kernel.org/r/20110405152728.949545047@chello.nl\n" }, { "commit": "1232d6132a986125f6a687ab9b61a4330e319270", "tree": "6d429c469011820865b81dabbf6037c95697bb4c", "parents": [ "20dd67407160eac577656cd2f8ee9a1fead960b8" ], "author": { "name": "Borislav Petkov", "email": "borislav.petkov@amd.com", "time": "Tue Mar 22 18:46:18 2011 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Mar 23 14:09:41 2011 +0100" }, "message": "sched, doc: Update sched-design-CFS.txt\n\nCorrect -\u003edequeue_tree() thinko into sched_class-\u003edequeue_task\nand drop all references to -\u003etask_new() since it is obviously\ngone.\n\nSigned-off-by: Borislav Petkov \u003cborislav.petkov@amd.com\u003e\nCc: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nCc: Mike Galbraith \u003cefault@gmx.de\u003e\nLKML-Reference: \u003c1300815978-16618-1-git-send-email-bp@amd64.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "da7a735e51f9622eb3e1672594d4a41da01d7e4f", "tree": "27623dcd39c52a80b79e0ee86ab426fc9c7e2b46", "parents": [ "a8941d7ec81678fb69aea7183338175f112f3e0d" ], "author": { "name": "Peter Zijlstra", "email": "a.p.zijlstra@chello.nl", "time": "Mon Jan 17 17:03:27 2011 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Jan 26 12:33:22 2011 +0100" }, "message": "sched: Fix switch_from_fair()\n\nWhen a task is taken out of the fair class we must ensure the vruntime\nis properly normalized because when we put it back in it will assume\nto be normalized.\n\nThe case that goes wrong is when changing away from the fair class\nwhile sleeping. Sleeping tasks have non-normalized vruntime in order\nto make sleeper-fairness work. So treat the switch away from fair as a\nwakeup and preserve the relative vruntime.\n\nAlso update sysrq-n to call the -\u003eswitch_{to,from} methods.\n\nReported-by: Onkalo Samu \u003csamu.p.onkalo@nokia.com\u003e\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003cnew-submission\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "1e5a74059f9059d330744eac84873b1b99657008", "tree": "f32f8ac76d5a6c49c1b4cd8f83155af00007fac0", "parents": [ "2d46709082c062cae7cce1a15f8cd4cd81b92d88" ], "author": { "name": "Peter Zijlstra", "email": "a.p.zijlstra@chello.nl", "time": "Sun Oct 31 12:37:04 2010 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu Nov 11 14:37:23 2010 +0100" }, "message": "sched: Fix cross-sched-class wakeup preemption\n\nInstead of dealing with sched classes inside each check_preempt_curr()\nimplementation, pull out this logic into the generic wakeup preemption\npath.\n\nThis fixes a hang in KVM (and others) where we are waiting for the\nstop machine thread to run ...\n\nReported-by: Markus Trippelsdorf \u003cmarkus@trippelsdorf.de\u003e\nTested-by: Marcelo Tosatti \u003cmtosatti@redhat.com\u003e\nTested-by: Sergey Senozhatsky \u003csergey.senozhatsky@gmail.com\u003e\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003c1288891946.2039.31.camel@laptop\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "2d46709082c062cae7cce1a15f8cd4cd81b92d88", "tree": "8222a0f18aca8a91c7929264d83bf6010a905993", "parents": [ "aae6d3ddd8b90f5b2c8d79a2b914d1706d124193" ], "author": { "name": "Peter Zijlstra", "email": "a.p.zijlstra@chello.nl", "time": "Tue Nov 09 14:36:52 2010 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Nov 10 23:13:58 2010 +0100" }, "message": "sched: Fix runnable condition for stoptask\n\nHeiko reported that the TASK_RUNNING check is not sufficient for\nCONFIG_PREEMPT\u003dy since we can get preempted with !TASK_RUNNING.\n\nHe suggested adding a -\u003ese.on_rq test to the existing TASK_RUNNING\none, however TASK_RUNNING will always have -\u003ese.on_rq, so we might as\nwell reduce that to a single test.\n\n[ stop tasks should never get preempted, but its good to handle\n this case correctly should this ever happen ]\n\nReported-by: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003cnew-submission\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "34f971f6f7988be4d014eec3e3526bee6d007ffa", "tree": "a662e0701f81f019418b55aa1354f833277b9c40", "parents": [ "4924627423d5e286136ad2520f5be536345ae590" ], "author": { "name": "Peter Zijlstra", "email": "a.p.zijlstra@chello.nl", "time": "Wed Sep 22 13:53:15 2010 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Oct 18 18:41:58 2010 +0200" }, "message": "sched: Create special class for stop/migrate work\n\nIn order to separate the stop/migrate work thread from the SCHED_FIFO\nimplementation, create a special class for it that is of higher priority than\nSCHED_FIFO itself.\n\nThis currently solves a problem where cpu-hotplug consumes so much cpu-time\nthat the SCHED_FIFO class gets throttled, but has the bandwidth replenishment\ntimer pending on the now dead cpu.\n\nIt is also required for when we add the planned deadline scheduling class above\nSCHED_FIFO, as the stop/migrate thread still needs to transcent those tasks.\n\nTested-by: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003c1285165776.2275.1022.camel@laptop\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" } ] }