From mboxrd@z Thu Jan 1 00:00:00 1970 From: azher@hep.caltech.edu (Azher Mughal) Date: Wed, 3 Feb 2016 10:31:45 -0800 Subject: NVMe and IRQ Affinity In-Reply-To: <20160203143055.GA23910@localhost.localdomain> References: <20160202234540.GA21046@localhost.localdomain> <20160202235818.GB21046@localhost.localdomain> <20160203143055.GA23910@localhost.localdomain> Message-ID: <56B24791.7040807@hep.caltech.edu> Hi Keith, I have similar affinity issues in CentOS 7.2. The nvme module is generic that came along with this distro. Is there a git repo which can be used with the kernel "3.10.0-327.4.5" ? Thanks -Azher # modinfo nvme filename: /lib/modules/3.10.0-327.4.5.el7.x86_64/kernel/drivers/block/nvme.ko version: 1.0 license: GPL author: Matthew Wilcox rhelversion: 7.2 srcversion: 6FE34EC5F6A703F8EDE6C77 alias: pci:v*d*sv*sd*bc01sc08i02* depends: intree: Y vermagic: 3.10.0-327.4.5.el7.x86_64 SMP mod_unload modversions signer: CentOS Linux kernel signing key sig_key: 10:5D:A1:3D:CA:AA:74:AE:50:00:17:E7:D5:2C:DA:9B:7C:C5:10:93 sig_hashalgo: sha256 parm: admin_timeout:timeout in seconds for admin commands (byte) parm: io_timeout:timeout in seconds for I/O (byte) parm: shutdown_timeout:timeout in seconds for controller shutdown (byte) parm: nvme_major:int parm: nvme_char_major:int parm: use_threaded_interrupts:int On 2/3/2016 6:30 AM, Keith Busch wrote: > On Wed, Feb 03, 2016@01:13:23AM +0100, Mark Jacobson wrote: >> 1. When you say out-of-tree, do you mean a loadable kernel module? >> (My understanding is that the NVMe driver is now part of the mainline >> Linux kernel source tree, so I'm a bit confused as to where to nab >> that from.) > Yes, a loadable kernel module or a package that can build one. I am not > aware of any publicly available. Perhaps your vendor provides one. > >> 2. Does the upstream 4.4.1 kernel have any of these fixes if I were to >> build it myself with the appropriate support ticked off? > The 4.3 kernel has the fixes, and anything newer than that should also > work. I think it was just the 4.2 kernel that had this wrong (will see > if there's are any stable patch candidates). > > _______________________________________________ > Linux-nvme mailing list > Linux-nvme at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-nvme >