From: Nipun Gupta <nipun.gupta@nxp.com>
To: <thomas@monjalon.net>
Cc: <dev@dpdk.org>, <hemant.agrawal@nxp.com>,
<shreyansh.jain@nxp.com>, Nipun Gupta <nipun.gupta@nxp.com>,
<stable@dpdk.org>
Subject: [dpdk-stable] [PATCH 2/7] bus/dpaa: allocate qman portals in thread safe manner
Date: Tue, 23 Jan 2018 18:01:06 +0530 [thread overview]
Message-ID: <1516710671-13897-3-git-send-email-nipun.gupta@nxp.com> (raw)
In-Reply-To: <1516710671-13897-1-git-send-email-nipun.gupta@nxp.com>
Fixes: 9d32ef0f5d61 ("bus/dpaa: support creating dynamic HW portal")
Cc: stable@dpdk.org
Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
---
drivers/bus/dpaa/base/qbman/qman.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/bus/dpaa/base/qbman/qman.c b/drivers/bus/dpaa/base/qbman/qman.c
index e7fdf03..4d8bdae 100644
--- a/drivers/bus/dpaa/base/qbman/qman.c
+++ b/drivers/bus/dpaa/base/qbman/qman.c
@@ -625,7 +625,7 @@ struct qman_portal *qman_create_portal(
#define MAX_GLOBAL_PORTALS 8
static struct qman_portal global_portals[MAX_GLOBAL_PORTALS];
-static int global_portals_used[MAX_GLOBAL_PORTALS];
+rte_atomic16_t global_portals_used[MAX_GLOBAL_PORTALS];
static struct qman_portal *
qman_alloc_global_portal(void)
@@ -633,10 +633,8 @@ struct qman_portal *qman_create_portal(
unsigned int i;
for (i = 0; i < MAX_GLOBAL_PORTALS; i++) {
- if (global_portals_used[i] == 0) {
- global_portals_used[i] = 1;
+ if (rte_atomic16_test_and_set(&global_portals_used[i]))
return &global_portals[i];
- }
}
pr_err("No portal available (%x)\n", MAX_GLOBAL_PORTALS);
@@ -650,7 +648,7 @@ struct qman_portal *qman_create_portal(
for (i = 0; i < MAX_GLOBAL_PORTALS; i++) {
if (&global_portals[i] == portal) {
- global_portals_used[i] = 0;
+ rte_atomic16_clear(&global_portals_used[i]);
return 0;
}
}
--
1.9.1
next prev parent reply other threads:[~2018-01-23 7:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1516710671-13897-1-git-send-email-nipun.gupta@nxp.com>
[not found] ` <1516710427-22843-1-git-send-email-nipun.gupta@nxp.com>
2018-01-23 12:27 ` [dpdk-stable] [PATCH 1/7 v2] bus/dpaa: check flag in qman multi enqueue Nipun Gupta
2018-01-24 5:24 ` Hemant Agrawal
2018-01-31 12:45 ` [dpdk-stable] [dpdk-dev] " Thomas Monjalon
2018-01-23 12:27 ` [dpdk-stable] [PATCH 2/7 v2] bus/dpaa: allocate qman portals in thread safe manner Nipun Gupta
2018-01-23 12:27 ` [dpdk-stable] [PATCH 3/7 v2] mempool/dpaa: fix the phy to virt optimization Nipun Gupta
2018-01-23 12:27 ` [dpdk-stable] [PATCH 4/7 v2] bus/dpaa: fix port order shuffling Nipun Gupta
2018-01-23 12:31 ` [dpdk-stable] [PATCH 1/7] bus/dpaa: check flag in qman multi enqueue Nipun Gupta
2018-01-23 12:31 ` Nipun Gupta [this message]
2018-01-23 12:31 ` [dpdk-stable] [PATCH 3/7] mempool/dpaa: fix the phy to virt optimization Nipun Gupta
2018-01-23 12:31 ` [dpdk-stable] [PATCH 4/7] bus/dpaa: fix port order shuffling Nipun Gupta
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