)]}' { "log": [ { "commit": "e44e0aa3cfa97cddff01704751a4b25151830c72", "tree": "9d876e5e47813101a4fc125831e0188664c486e0", "parents": [ "b54d5cb9156868fb4f27ccd46a3afb0bf3ef8e0c" ], "author": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Wed Mar 25 09:13:25 2009 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Wed Mar 25 09:13:25 2009 -0700" }, "message": "dmatest: add dma interrupts and callbacks\n\nUse the callback infrastructure to report driver/hardware hangs or\nmissed interrupts. Since this makes the test threads much more\naggressive (from: explicit 1ms sleep to: wait_for_completion) we set the\nnice value to 10 so as to not swamp legitimate tasks.\n\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n" }, { "commit": "b54d5cb9156868fb4f27ccd46a3afb0bf3ef8e0c", "tree": "e825eb374b73240180d33b34be8ab10d6dffbd1a", "parents": [ "729b5d1b8ec72c28e99840b3f300ba67726e3ab9" ], "author": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Wed Mar 25 09:13:25 2009 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Wed Mar 25 09:13:25 2009 -0700" }, "message": "dmatest: add xor test\n\nExtend dmatest to launch a thread per supported operation type and add\nan xor test.\n\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n" }, { "commit": "7cbd4877e5b167b56a3d6033b926a9f925186e12", "tree": "03dbe000fa5086d07df0fcae8d9ac1534bd3d239", "parents": [ "c74ef1f867d18171c8617519ee5fe40b02903934" ], "author": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Wed Mar 04 16:06:03 2009 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Wed Mar 04 16:06:03 2009 -0700" }, "message": "dmatest: fix use after free in dmatest_exit\n\ndmatest_cleanup_chanel will free dtc, so grab -\u003echan before it goes away\nand use it to do the release.\n\nReported-by: Thierry Reding \u003cthierry.reding@avionic-design.de\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n" }, { "commit": "d86be86e9aab221089d72399072511f13fe2a771", "tree": "58da7322d8dfa58da5f03c117481df8ab93b7311", "parents": [ "6527de6d6d25ebfae7c7572cb7a4ed768e2e20a5" ], "author": { "name": "Atsushi Nemoto", "email": "anemo@mba.ocn.ne.jp", "time": "Tue Jan 13 09:22:20 2009 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jan 13 09:22:20 2009 -0700" }, "message": "dmatest: Use custom map/unmap for destination buffer\n\nThe dmatest driver should use DMA_BIDIRECTIONAL on the destination buffer\nto ensure that the poison values are written to RAM and not just written\nto cache and discarded.\n\nAcked-by: Haavard Skinnemoen \u003chaavard.skinnemoen@atmel.com\u003e\nAcked-by: Maciej Sosnowski \u003cmaciej.sosnowski@intel.com\u003e\nSigned-off-by: Atsushi Nemoto \u003canemo@mba.ocn.ne.jp\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n" }, { "commit": "41d5e59c1299f27983977bcfe3b360600996051c", "tree": "f0e80b6fea3af04f266843af97f433198ad535c7", "parents": [ "4fac7fa57cf8001be259688468c825f836daf739" ], "author": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jan 06 11:38:21 2009 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jan 06 11:38:21 2009 -0700" }, "message": "dmaengine: add a release for dma class devices and dependent infrastructure\n\nResolves:\nWARNING: at drivers/base/core.c:122 device_release+0x4d/0x52()\nDevice \u0027dma0chan0\u0027 does not have a release() function, it is broken and must be fixed.\n\nThe dma_chan_dev object is introduced to gear-match sysfs kobject and\ndmaengine channel lifetimes. When a channel is removed access to the\nsysfs entries return -ENODEV until the kobject can be released.\n\nThe bulk of the change is updates to existing code to handle the extra\nlayer of indirection between a dma_chan and its struct device.\n\nReported-by: Alexander Beregalov \u003ca.beregalov@gmail.com\u003e\nAcked-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nCc: Haavard Skinnemoen \u003chaavard.skinnemoen@atmel.com\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n\n\n\n\n" }, { "commit": "7dd602510128d7a64b11ff3b7d4f30ac8e3946ce", "tree": "6a87f942c72b0b02d24db7144cad435211178fcc", "parents": [ "f27c580c3628d79b17f38976d842a6d7f3616e2e" ], "author": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jan 06 11:38:19 2009 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jan 06 11:38:19 2009 -0700" }, "message": "dmaengine: kill enum dma_state_client\n\nDMA_NAK is now useless. We can just use a bool instead.\n\nReviewed-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n\n\n" }, { "commit": "33df8ca068123457db56c316946a3c0e4ef787d6", "tree": "e594340e903ea3eb8af83906c649eeaf85cbc0b2", "parents": [ "59b5ec21446b9239d706ab237fb261d525b75e81" ], "author": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jan 06 11:38:15 2009 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jan 06 11:38:15 2009 -0700" }, "message": "dmatest: convert to dma_request_channel\n\nReplace the client registration infrastructure with a custom loop to\npoll for channels. Once dma_request_channel returns NULL stop asking\nfor channels. A userspace side effect of this change if that loading\nthe dmatest module before loading a dma driver will result in no\nchannels being found, previously dmatest would get a callback. To\nfacilitate testing in the built-in case dmatest_init is marked as a\nlate_initcall. Another side effect is that channels under test can not\nbe used for any other purpose.\n\nCc: Haavard Skinnemoen \u003chaavard.skinnemoen@atmel.com\u003e\nReviewed-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n\n\n" }, { "commit": "6f49a57aa5a0c6d4e4e27c85f7af6c83325a12d1", "tree": "afba24357d1f4ff69ccb2b39a19542546590a50b", "parents": [ "07f2211e4fbce6990722d78c4f04225da9c0e9cf" ], "author": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jan 06 11:38:14 2009 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jan 06 11:38:14 2009 -0700" }, "message": "dmaengine: up-level reference counting to the module level\n\nSimply, if a client wants any dmaengine channel then prevent all dmaengine\nmodules from being removed. Once the clients are done re-enable module\nremoval.\n\nWhy?, beyond reducing complication:\n1/ Tracking reference counts per-transaction in an efficient manner, as\n is currently done, requires a complicated scheme to avoid cache-line\n bouncing effects.\n2/ Per-transaction ref-counting gives the false impression that a\n dma-driver can be gracefully removed ahead of its user (net, md, or\n dma-slave)\n3/ None of the in-tree dma-drivers talk to hot pluggable hardware, but\n if such an engine were built one day we still would not need to notify\n clients of remove events. The driver can simply return NULL to a\n -\u003eprep() request, something that is much easier for a client to handle.\n\nReviewed-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nAcked-by: Maciej Sosnowski \u003cmaciej.sosnowski@intel.com\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n\n\n\n" }, { "commit": "06190d8415219d9eef7d8f04b52a109e34575a76", "tree": "f7ac0ca156f5a2341c08417020ebbfc544b0c59b", "parents": [ "65e503814dec83c7b2ac955e75919d009109c919" ], "author": { "name": "Kay Sievers", "email": "kay.sievers@vrfy.org", "time": "Tue Nov 11 13:12:33 2008 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Nov 11 13:12:33 2008 -0700" }, "message": "dmaengine: struct device - replace bus_id with dev_name(), dev_set_name()\n\nAcked-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\nAcked-by: Maciej Sosnowski \u003cmaciej.sosnowski@intel.com\u003e\nSigned-off-by: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n" }, { "commit": "6fdb8bd47111d3f94be221082b725ec2dec1d5c7", "tree": "5a63f297bfa423f31c06e9d8d70c7efd6761a79a", "parents": [ "6b3141962dc82cfe1c30afdf91d564b309859cbe" ], "author": { "name": "Andrew Morton", "email": "akpm@linux-foundation.org", "time": "Fri Sep 19 04:16:23 2008 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Fri Sep 19 04:16:23 2008 -0700" }, "message": "drivers/dma/dmatest.c: switch a GFP_ATOMIC to GFP_KERNEL\n\nIt was needlessly using the unreliable GFP_ATOMIC.\n\nCc: Timur Tabi \u003ctimur@freescale.com\u003e\nAcked-by: Haavard Skinnemoen \u003chaavard.skinnemoen@atmel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n" }, { "commit": "6b3141962dc82cfe1c30afdf91d564b309859cbe", "tree": "51a0045ba900f44083fbd2693824414262534dbc", "parents": [ "89f72a0633d1d4f28c4c5c8831ec814523d7671a" ], "author": { "name": "Timur Tabi", "email": "timur@freescale.com", "time": "Fri Sep 19 04:16:19 2008 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Fri Sep 19 04:16:19 2008 -0700" }, "message": "dmatest: properly handle duplicate DMA channels\n\nUpdate the the dmatest driver so that it handles duplicate DMA channels\nproperly.\n\nWhen a DMA client is notified of an available DMA channel, it must check if it\nhas already allocated resources for that channel. If so, it should return\nDMA_DUP. This can happen, for example, if a DMA driver calls\ndma_async_device_register() more than once.\n\nAcked-by: Haavard Skinnemoen \u003chaavard.skinnemoen@atmel.com\u003e\nSigned-off-by: Timur Tabi \u003ctimur@freescale.com\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n" }, { "commit": "4a776f0aa922a552460192c07b56f4fe9cd82632", "tree": "ae6c2fef63e40fcdcac22483f3aa35eab95e64de", "parents": [ "ff7b04796d9866327ea76e1393f1e902ef032f84" ], "author": { "name": "Haavard Skinnemoen", "email": "hskinnemoen@atmel.com", "time": "Tue Jul 08 11:58:45 2008 -0700" }, "committer": { "name": "Dan Williams", "email": "dan.j.williams@intel.com", "time": "Tue Jul 08 11:58:45 2008 -0700" }, "message": "dmatest: Simple DMA memcpy test client\n\nThis client tests DMA memcpy using various lengths and various offsets\ninto the source and destination buffers. It will initialize both\nbuffers with a repeatable pattern and verify that the DMA engine copies\nthe requested region and nothing more. It will also verify that the\nbytes aren\u0027t swapped around, and that the source buffer isn\u0027t modified.\n\nThe dmatest module can be configured to test a specific device, a\nspecific channel. It can also test multiple channels at the same time,\nand it can start multiple threads competing for the same channel.\n\nChanges since v2:\n * Support testing multiple channels at the same time\n * Support testing with multiple threads competing for the same channel\n * Use counting test patterns in order to catch byte ordering issues\n\nChanges since v1:\n * Remove extra dashes around \"help\"\n * Remove \"default n\" from Kconfig\n * Turn TEST_BUF_SIZE into a module parameter\n * Return DMA_NAK instead of DMA_DUP\n * Print unhandled events\n * Support testing specific channels and devices\n * Move to the end of the Makefile\n\nAcked-by: Maciej Sosnowski \u003cmaciej.sosnowski@intel.com\u003e\nSigned-off-by: Haavard Skinnemoen \u003chskinnemoen@atmel.com\u003e\nSigned-off-by: Dan Williams \u003cdan.j.williams@intel.com\u003e\n" } ] }