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From: Shreyansh Jain <shreyansh.jain@nxp.com>
To: <dev@dpdk.org>
CC: <viktorin@rehivetech.com>, <david.marchand@6wind.com>,
<thomas.monjalon@6wind.com>, <hemant.agrawal@nxp.com>, Shreyansh Jain
<shreyansh.jain@nxp.com>
Date: Fri, 26 Aug 2016 19:26:41 +0530
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Subject: [dpdk-dev] [PATCH v8 03/25] pci: no need for dynamic tailq init
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These lists can be initialized once and for all at build time.
With this, those lists are only manipulated in a common place
(and we could even make them private).
A nice side effect is that pci drivers can now register in constructors.
Signed-off-by: David Marchand <david.marchand@6wind.com>
Reviewed-by: Jan Viktorin <viktorin@rehivetech.com>
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
---
lib/librte_eal/bsdapp/eal/eal_pci.c | 3 ---
lib/librte_eal/common/eal_common_pci.c | 6 ++++--
lib/librte_eal/linuxapp/eal/eal_pci.c | 3 ---
3 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/lib/librte_eal/bsdapp/eal/eal_pci.c b/lib/librte_eal/bsdapp/eal/eal_pci.c
index 374b68f..a73cbb0 100644
--- a/lib/librte_eal/bsdapp/eal/eal_pci.c
+++ b/lib/librte_eal/bsdapp/eal/eal_pci.c
@@ -623,9 +623,6 @@ rte_eal_pci_ioport_unmap(struct rte_pci_ioport *p)
int
rte_eal_pci_init(void)
{
- TAILQ_INIT(&pci_driver_list);
- TAILQ_INIT(&pci_device_list);
-
/* for debug purposes, PCI can be disabled */
if (internal_config.no_pci)
return 0;
diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index 7248c38..6a0f6ac 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -82,8 +82,10 @@
#include "eal_private.h"
-struct pci_driver_list pci_driver_list;
-struct pci_device_list pci_device_list;
+struct pci_driver_list pci_driver_list =
+ TAILQ_HEAD_INITIALIZER(pci_driver_list);
+struct pci_device_list pci_device_list =
+ TAILQ_HEAD_INITIALIZER(pci_device_list);
#define SYSFS_PCI_DEVICES "/sys/bus/pci/devices"
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
index cd9de7c..f0215ee 100644
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
@@ -743,9 +743,6 @@ rte_eal_pci_ioport_unmap(struct rte_pci_ioport *p)
int
rte_eal_pci_init(void)
{
- TAILQ_INIT(&pci_driver_list);
- TAILQ_INIT(&pci_device_list);
-
/* for debug purposes, PCI can be disabled */
if (internal_config.no_pci)
return 0;
--
2.7.4