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From: Klaus Jensen <its@irrelevant.dk>
To: qemu-block@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
	Beata Michalska <beata.michalska@linaro.org>,
	qemu-devel@nongnu.org, Max Reitz <mreitz@redhat.com>,
	Klaus Jensen <its@irrelevant.dk>, Keith Busch <kbusch@kernel.org>,
	Javier Gonzalez <javier.gonz@samsung.com>,
	Maxim Levitsky <mlevitsk@redhat.com>
Subject: [PATCH v6 22/42] nvme: memset preallocated requests structures
Date: Mon, 16 Mar 2020 07:29:08 -0700	[thread overview]
Message-ID: <20200316142928.153431-23-its@irrelevant.dk> (raw)
In-Reply-To: <20200316142928.153431-1-its@irrelevant.dk>

From: Klaus Jensen <k.jensen@samsung.com>

This is preparatory to subsequent patches that change how QSGs/IOVs are
handled. It is important that the qsg and iov members of the NvmeRequest
are initially zeroed.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/block/nvme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 26c4b6e69f72..08267e847671 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -597,7 +597,7 @@ static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr,
     sq->size = size;
     sq->cqid = cqid;
     sq->head = sq->tail = 0;
-    sq->io_req = g_new(NvmeRequest, sq->size);
+    sq->io_req = g_new0(NvmeRequest, sq->size);
 
     QTAILQ_INIT(&sq->req_list);
     QTAILQ_INIT(&sq->out_req_list);
-- 
2.25.1



  parent reply	other threads:[~2020-03-16 16:57 UTC|newest]

Thread overview: 121+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-16 14:28 [PATCH v6 00/42] nvme: support NVMe v1.3d, SGLs and multiple namespaces Klaus Jensen
2020-03-16 14:28 ` [PATCH v6 01/42] nvme: rename trace events to nvme_dev Klaus Jensen
2020-03-25 10:36   ` Maxim Levitsky
2020-03-31  5:38     ` Klaus Birkelund Jensen
2020-03-16 14:28 ` [PATCH v6 02/42] nvme: remove superfluous breaks Klaus Jensen
2020-03-16 14:28 ` [PATCH v6 03/42] nvme: move device parameters to separate struct Klaus Jensen
2020-03-25 10:36   ` Maxim Levitsky
2020-03-16 14:28 ` [PATCH v6 04/42] nvme: bump spec data structures to v1.3 Klaus Jensen
2020-03-25 10:37   ` Maxim Levitsky
2020-03-31  5:38     ` Klaus Birkelund Jensen
2020-03-31 10:43       ` Maxim Levitsky
2020-03-16 14:28 ` [PATCH v6 05/42] nvme: use constant for identify data size Klaus Jensen
2020-03-25 10:37   ` Maxim Levitsky
2020-03-31  5:38     ` Klaus Birkelund Jensen
2020-03-16 14:28 ` [PATCH v6 06/42] nvme: add identify cns values in header Klaus Jensen
2020-03-25 10:37   ` Maxim Levitsky
2020-03-31  5:39     ` Klaus Birkelund Jensen
2020-03-16 14:28 ` [PATCH v6 07/42] nvme: refactor nvme_addr_read Klaus Jensen
2020-03-25 10:38   ` Maxim Levitsky
2020-03-31  5:39     ` Klaus Birkelund Jensen
2020-03-31 10:41       ` Maxim Levitsky
2020-03-31 12:48         ` Klaus Birkelund Jensen
2020-03-31 14:46           ` Maxim Levitsky
2020-03-16 14:28 ` [PATCH v6 08/42] nvme: add support for the abort command Klaus Jensen
2020-03-25 10:38   ` Maxim Levitsky
2020-03-16 14:28 ` [PATCH v6 09/42] nvme: add max_ioqpairs device parameter Klaus Jensen
2020-03-25 10:39   ` Maxim Levitsky
2020-03-31  5:40     ` Klaus Birkelund Jensen
2020-03-31  9:48       ` Maxim Levitsky
2020-03-16 14:28 ` [PATCH v6 10/42] nvme: refactor device realization Klaus Jensen
2020-03-25 10:40   ` Maxim Levitsky
2020-03-31  5:40     ` Klaus Birkelund Jensen
2020-03-16 14:28 ` [PATCH v6 11/42] nvme: add temperature threshold feature Klaus Jensen
2020-03-25 10:40   ` Maxim Levitsky
2020-03-31  5:40     ` Klaus Birkelund Jensen
2020-03-31  9:46       ` Maxim Levitsky
2020-03-16 14:28 ` [PATCH v6 12/42] nvme: add support for the get log page command Klaus Jensen
2020-03-25 10:40   ` Maxim Levitsky
2020-03-31  5:41     ` Klaus Birkelund Jensen
2020-03-31  9:45       ` Maxim Levitsky
2020-03-31 12:49         ` Klaus Birkelund Jensen
2020-03-31 14:47           ` Maxim Levitsky
2020-03-16 14:28 ` [PATCH v6 13/42] nvme: add support for the asynchronous event request command Klaus Jensen
2020-03-25 10:41   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 14/42] nvme: add missing mandatory features Klaus Jensen
2020-03-25 10:41   ` Maxim Levitsky
2020-03-31  5:41     ` Klaus Birkelund Jensen
2020-03-31  9:39       ` Maxim Levitsky
2020-04-08 11:28         ` Klaus Birkelund Jensen
2020-03-16 14:29 ` [PATCH v6 15/42] nvme: additional tracing Klaus Jensen
2020-03-25 10:42   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 16/42] nvme: make sure ncqr and nsqr is valid Klaus Jensen
2020-03-25 10:42   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 17/42] nvme: add log specific field to trace events Klaus Jensen
2020-03-25 10:43   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 18/42] nvme: support identify namespace descriptor list Klaus Jensen
2020-03-25 10:43   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 19/42] nvme: enforce valid queue creation sequence Klaus Jensen
2020-03-25 10:43   ` Maxim Levitsky
2020-03-31  5:41     ` Klaus Birkelund Jensen
2020-03-31  9:31       ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 20/42] nvme: provide the mandatory subnqn field Klaus Jensen
2020-03-25 10:43   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 21/42] nvme: bump supported version to v1.3 Klaus Jensen
2020-03-25 10:44   ` Maxim Levitsky
2020-03-16 14:29 ` Klaus Jensen [this message]
2020-03-25 10:44   ` [PATCH v6 22/42] nvme: memset preallocated requests structures Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 23/42] nvme: add mapping helpers Klaus Jensen
2020-03-25 10:45   ` Maxim Levitsky
2020-03-31  5:44     ` Klaus Birkelund Jensen
2020-03-31  9:30       ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 24/42] nvme: remove redundant has_sg member Klaus Jensen
2020-03-25 10:45   ` Maxim Levitsky
2020-03-31  5:44     ` Klaus Birkelund Jensen
2020-03-31  9:25       ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 25/42] nvme: refactor dma read/write Klaus Jensen
2020-03-25 10:46   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 26/42] nvme: pass request along for tracing Klaus Jensen
2020-03-25 10:55   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 27/42] nvme: add request mapping helper Klaus Jensen
2020-03-25 10:56   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 28/42] nvme: verify validity of prp lists in the cmb Klaus Jensen
2020-03-25 10:56   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 29/42] nvme: refactor request bounds checking Klaus Jensen
2020-03-25 10:56   ` Maxim Levitsky
2020-03-31  5:44     ` Klaus Birkelund Jensen
2020-03-31  9:23       ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 30/42] nvme: add check for mdts Klaus Jensen
2020-03-25 10:57   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 31/42] nvme: add check for prinfo Klaus Jensen
2020-03-25 10:57   ` Maxim Levitsky
2020-03-31  5:45     ` Klaus Birkelund Jensen
2020-03-31  9:17       ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 32/42] nvme: allow multiple aios per command Klaus Jensen
2020-03-25 10:57   ` Maxim Levitsky
2020-03-31  5:47     ` Klaus Birkelund Jensen
2020-03-31  9:10       ` Maxim Levitsky
2020-04-08 15:02         ` Klaus Birkelund Jensen
2020-03-16 14:29 ` [PATCH v6 33/42] nvme: use preallocated qsg/iov in nvme_dma_prp Klaus Jensen
2020-03-25 10:58   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 34/42] pci: pass along the return value of dma_memory_rw Klaus Jensen
2020-03-16 14:29 ` [PATCH v6 35/42] nvme: handle dma errors Klaus Jensen
2020-03-25 10:58   ` Maxim Levitsky
2020-03-31  5:47     ` Klaus Birkelund Jensen
2020-03-16 14:29 ` [PATCH v6 36/42] nvme: add support for scatter gather lists Klaus Jensen
2020-03-25 10:58   ` Maxim Levitsky
2020-03-31  5:48     ` Klaus Birkelund Jensen
2020-03-31  8:51       ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 37/42] nvme: refactor identify active namespace id list Klaus Jensen
2020-03-25 10:58   ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 38/42] nvme: support multiple namespaces Klaus Jensen
2020-03-25 10:59   ` Maxim Levitsky
2020-03-31  5:48     ` Klaus Birkelund Jensen
2020-03-31  8:47       ` Maxim Levitsky
2020-03-16 14:29 ` [PATCH v6 39/42] pci: allocate pci id for nvme Klaus Jensen
2020-03-16 14:29 ` [PATCH v6 40/42] nvme: change controller pci id Klaus Jensen
2020-03-16 14:29 ` [PATCH v6 41/42] nvme: remove redundant NvmeCmd pointer parameter Klaus Jensen
2020-03-16 14:29 ` [PATCH v6 42/42] nvme: make lba data size configurable Klaus Jensen
2020-03-25 10:59   ` Maxim Levitsky
2020-03-16 19:30 ` [PATCH v6 00/42] nvme: support NVMe v1.3d, SGLs and multiple namespaces no-reply
2020-03-25 10:35 ` Maxim Levitsky

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