From: alvinx.zhang@intel.com
To: david.marchand@redhat.com, arybchenko@solarflare.com
Cc: dev@dpdk.org, Alvin Zhang <alvinx.zhang@intel.com>, stable@dpdk.org
Subject: [dpdk-stable] [PATCH] bus/pci: fix mapping of PCI resources
Date: Mon, 28 Sep 2020 14:34:29 +0800 [thread overview]
Message-ID: <20200928063429.14148-1-alvinx.zhang@intel.com> (raw)
From: Alvin Zhang <alvinx.zhang@intel.com>
When mapping PCI bar resources around the MSI-X table, if the size
of the first part is 0, the second part should also be mapped if
its size is not 0.
Fixes: e200535c1ca3 ("mem: drop mapping API workaround")
Cc: stable@dpdk.org
Signed-off-by: Alvin Zhang <alvinx.zhang@intel.com>
---
drivers/bus/pci/linux/pci_vfio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/bus/pci/linux/pci_vfio.c b/drivers/bus/pci/linux/pci_vfio.c
index 34b5da8..37bfda8 100644
--- a/drivers/bus/pci/linux/pci_vfio.c
+++ b/drivers/bus/pci/linux/pci_vfio.c
@@ -565,7 +565,7 @@
}
/* if there's a second part, try to map it */
- if (map_addr != NULL
+ if ((map_addr != NULL || memreg[0].size == 0)
&& memreg[1].offset && memreg[1].size) {
void *second_addr = RTE_PTR_ADD(bar_addr,
(uintptr_t)(memreg[1].offset -
--
1.8.3.1
next reply other threads:[~2020-09-28 6:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-28 6:34 alvinx.zhang [this message]
2020-09-28 9:10 ` [dpdk-stable] [dpdk-dev] " Burakov, Anatoly
2020-09-28 9:43 ` David Marchand
2020-09-28 9:55 ` Ling, WeiX
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