From: Chen Lingli <linglix.chen@intel.com>
To: dts@dpdk.org
Cc: Chen Lingli <linglix.chen@intel.com>
Subject: [dts] [PATCH V2] tests/external_memory:VFIO module parameter increase the allowed limit
Date: Fri, 12 Mar 2021 17:37:16 +0000 [thread overview]
Message-ID: <20210312173716.3853-1-linglix.chen@intel.com> (raw)
According to commit 016763c21958 ("vfio: do not merge contiguous areas").
VFIO module parameter ``dma_entry_limit`` with a default value of 64K.
When application is out of DMA entries, these limits need to be adjusted to increase the allowed limit .
Signed-off-by: Chen Lingli <linglix.chen@intel.com>
---
V2:modifie comment use git commit description style
V1:modifie dts
tests/TestSuite_external_memory.py | 1 +
1 file changed, 1 insertion(+)
diff --git a/tests/TestSuite_external_memory.py b/tests/TestSuite_external_memory.py
index 0224a319..e31b2787 100644
--- a/tests/TestSuite_external_memory.py
+++ b/tests/TestSuite_external_memory.py
@@ -111,6 +111,7 @@ class TestExternalMemory(TestCase):
Verifier VFIO_PCI and anonymous memory allocation
"""
self.insmod_modprobe(modename="vfio-pci")
+ self.dut.send_expect("echo 655359 > /sys/module/vfio_iommu_type1/parameters/dma_entry_limit", "#", 10)
self.eal_para = self.dut.create_eal_parameters(cores="1S/4C/1T")
self.dut.send_expect(r'./%s %s -- --mp-alloc=xmem -i'
--
2.17.1
next reply other threads:[~2021-03-12 9:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-12 17:37 Chen Lingli [this message]
2021-03-12 9:17 ` Chen, LingliX
2021-03-15 7:27 ` Tu, Lijuan
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