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From: Stephen Hemminger <stephen@networkplumber.org>
To: Miao Li <miao.li@intel.com>
Cc: dev@dpdk.org, skori@marvell.com, thomas@monjalon.net,
	david.marchand@redhat.com, ferruh.yigit@amd.com,
	chenbo.xia@intel.com, yahui.cao@intel.com,
	Anatoly Burakov <anatoly.burakov@intel.com>
Subject: Re: [PATCH v1 4/4] bus/pci: add VFIO sparse mmap support
Date: Mon, 15 May 2023 08:52:49 -0700	[thread overview]
Message-ID: <20230515085249.283dd7d0@hermes.local> (raw)
In-Reply-To: <20230515064700.624054-5-miao.li@intel.com>

On Mon, 15 May 2023 06:47:00 +0000
Miao Li <miao.li@intel.com> wrote:

> +				map_addr = pci_map_resource(addr, vfio_dev_fd,
> +					bar->offset + sparse->offset, sparse->size,
> +					RTE_MAP_FORCE_ADDRESS);
> +				if (map_addr == NULL) {
> +					munmap(bar_addr, bar->size);
> +					RTE_LOG(ERR, EAL, "Failed to map pci BAR%d\n",
> +						bar_index);

If mmap() fails then printing errno would help diagnose why.

  parent reply	other threads:[~2023-05-15 15:52 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-18  5:30 [RFC 0/4] Support VFIO sparse mmap in PCI bus Chenbo Xia
2023-04-18  5:30 ` [RFC 1/4] bus/pci: introduce an internal representation of PCI device Chenbo Xia
2023-04-18  5:30 ` [RFC 2/4] bus/pci: avoid depending on private value in kernel source Chenbo Xia
2023-04-18  5:30 ` [RFC 3/4] bus/pci: introduce helper for MMIO read and write Chenbo Xia
2023-04-18  5:30 ` [RFC 4/4] bus/pci: add VFIO sparse mmap support Chenbo Xia
2023-04-18  7:46 ` [RFC 0/4] Support VFIO sparse mmap in PCI bus David Marchand
2023-04-18  9:27   ` Xia, Chenbo
2023-04-18  9:33   ` Xia, Chenbo
2023-05-08  2:13 ` Xia, Chenbo
2023-05-08  3:04   ` Sunil Kumar Kori
2023-05-15  6:46 ` [PATCH v1 " Miao Li
2023-05-15  6:46   ` [PATCH v1 1/4] bus/pci: introduce an internal representation of PCI device Miao Li
2023-05-15  6:46   ` [PATCH v1 2/4] bus/pci: avoid depending on private value in kernel source Miao Li
2023-05-15  6:46   ` [PATCH v1 3/4] bus/pci: introduce helper for MMIO read and write Miao Li
2023-05-15  6:47   ` [PATCH v1 4/4] bus/pci: add VFIO sparse mmap support Miao Li
2023-05-15  9:41     ` [PATCH v2 0/4] Support VFIO sparse mmap in PCI bus Miao Li
2023-05-15  9:41       ` [PATCH v2 1/4] bus/pci: introduce an internal representation of PCI device Miao Li
2023-05-15  9:41       ` [PATCH v2 2/4] bus/pci: avoid depending on private value in kernel source Miao Li
2023-05-15  9:41       ` [PATCH v2 3/4] bus/pci: introduce helper for MMIO read and write Miao Li
2023-05-15  9:41       ` [PATCH v2 4/4] bus/pci: add VFIO sparse mmap support Miao Li
2023-05-25 16:31       ` [PATCH v3 0/4] Support VFIO sparse mmap in PCI bus Miao Li
2023-05-25 16:31         ` [PATCH v3 1/4] bus/pci: introduce an internal representation of PCI device Miao Li
2023-05-29  6:14           ` [EXT] " Sunil Kumar Kori
2023-05-29  6:28           ` Cao, Yahui
2023-05-25 16:31         ` [PATCH v3 2/4] bus/pci: avoid depending on private value in kernel source Miao Li
2023-05-29  6:15           ` [EXT] " Sunil Kumar Kori
2023-05-29  6:30           ` Cao, Yahui
2023-05-25 16:31         ` [PATCH v3 3/4] bus/pci: introduce helper for MMIO read and write Miao Li
2023-05-29  6:16           ` [EXT] " Sunil Kumar Kori
2023-05-29  6:31           ` Cao, Yahui
2023-05-25 16:31         ` [PATCH v3 4/4] bus/pci: add VFIO sparse mmap support Miao Li
2023-05-29  6:17           ` [EXT] " Sunil Kumar Kori
2023-05-29  6:32           ` Cao, Yahui
2023-05-29  9:25           ` Xia, Chenbo
2023-05-31  5:37         ` [PATCH v4 0/4] Support VFIO sparse mmap in PCI bus Miao Li
2023-05-31  5:37           ` [PATCH v4 1/4] bus/pci: introduce an internal representation of PCI device Miao Li
2023-05-31  5:37           ` [PATCH v4 2/4] bus/pci: avoid depending on private value in kernel source Miao Li
2023-05-31  5:37           ` [PATCH v4 3/4] bus/pci: introduce helper for MMIO read and write Miao Li
2023-05-31  5:37           ` [PATCH v4 4/4] bus/pci: add VFIO sparse mmap support Miao Li
2023-06-07 16:30           ` [PATCH v4 0/4] Support VFIO sparse mmap in PCI bus Thomas Monjalon
2023-06-08  0:28             ` Patrick Robb
2023-06-08  1:36               ` Xia, Chenbo
2023-06-08  1:33             ` Xia, Chenbo
2023-06-08  6:43           ` Ali Alnubani
2023-06-08  6:50             ` Xia, Chenbo
2023-06-08  7:03               ` David Marchand
2023-06-08 12:47                 ` Patrick Robb
2023-05-15 15:52     ` Stephen Hemminger [this message]
2023-05-22  2:41       ` [PATCH v1 4/4] bus/pci: add VFIO sparse mmap support Li, Miao
2023-05-22  3:42       ` Xia, Chenbo

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