Date: Mon, 11 Jan 2016 17:33:51 +0000 (UTC) From: Jim Harris <jimharris@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r293673 - stable/10/sys/dev/nvme Message-ID: <201601111733.u0BHXpVn032949@repo.freebsd.org>
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Author: jimharris Date: Mon Jan 11 17:33:51 2016 New Revision: 293673 URL: https://svnweb.freebsd.org/changeset/base/293673 Log: MFC r293354: nvme: replace NVME_CEILING macro with howmany() Modified: stable/10/sys/dev/nvme/nvme_ctrlr.c Modified: stable/10/sys/dev/nvme/nvme_ctrlr.c ============================================================================== --- stable/10/sys/dev/nvme/nvme_ctrlr.c Mon Jan 11 17:32:56 2016 (r293672) +++ stable/10/sys/dev/nvme/nvme_ctrlr.c Mon Jan 11 17:33:51 2016 (r293673) @@ -42,12 +42,6 @@ __FBSDID("$FreeBSD$"); #include "nvme_private.h" -/* - * Used for calculating number of CPUs to assign to each core and number of I/O - * queues to allocate per controller. - */ -#define NVME_CEILING(num, div) ((((num) - 1) / (div)) + 1) - static void nvme_ctrlr_construct_and_submit_aer(struct nvme_controller *ctrlr, struct nvme_async_event_request *aer); static void nvme_ctrlr_setup_interrupts(struct nvme_controller *ctrlr); @@ -152,7 +146,7 @@ nvme_ctrlr_construct_io_qpairs(struct nv * a controller could theoretically support fewer I/O queues than * MSI-X vectors. So calculate again here just to be safe. */ - ctrlr->num_cpus_per_ioq = NVME_CEILING(mp_ncpus, ctrlr->num_io_queues); + ctrlr->num_cpus_per_ioq = howmany(mp_ncpus, ctrlr->num_io_queues); ctrlr->ioq = malloc(ctrlr->num_io_queues * sizeof(struct nvme_qpair), M_NVME, M_ZERO | M_WAITOK); @@ -1030,9 +1024,9 @@ nvme_ctrlr_setup_interrupts(struct nvme_ * admin queue. */ ctrlr->num_cpus_per_ioq = max(min_cpus_per_ioq, - NVME_CEILING(mp_ncpus, num_vectors_available - 1)); + howmany(mp_ncpus, num_vectors_available - 1)); - ctrlr->num_io_queues = NVME_CEILING(mp_ncpus, ctrlr->num_cpus_per_ioq); + ctrlr->num_io_queues = howmany(mp_ncpus, ctrlr->num_cpus_per_ioq); num_vectors_requested = ctrlr->num_io_queues + 1; num_vectors_allocated = num_vectors_requested;
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