DPDK patches and discussions
 help / color / mirror / Atom feed
* [dpdk-dev]  [PATCH] service: fix number mapped cores count
@ 2018-01-09  9:40 Pavan Nikhilesh
  2018-01-09 11:44 ` Van Haaren, Harry
  0 siblings, 1 reply; 3+ messages in thread
From: Pavan Nikhilesh @ 2018-01-09  9:40 UTC (permalink / raw)
  To: harry.van.haaren; +Cc: dev, Pavan Nikhilesh, stable

When adding service the number of mapped cores should only be incremented
when the core is not already a service core or vice versa.

Fixes: 21698354c832 ("service: introduce service cores concept")
Cc: stable@dpdk.org

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
 lib/librte_eal/common/rte_service.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/librte_eal/common/rte_service.c b/lib/librte_eal/common/rte_service.c
index 2d12d0201..d9138b677 100644
--- a/lib/librte_eal/common/rte_service.c
+++ b/lib/librte_eal/common/rte_service.c
@@ -545,10 +545,14 @@ service_update(struct rte_service_spec *service, uint32_t lcore,
 
 	uint64_t sid_mask = UINT64_C(1) << sid;
 	if (set) {
-		if (*set) {
+		uint64_t lcore_mapped = lcore_states[lcore].service_mask &
+			sid_mask;
+
+		if (*set && !lcore_mapped) {
 			lcore_states[lcore].service_mask |= sid_mask;
 			rte_atomic32_inc(&rte_services[sid].num_mapped_cores);
-		} else {
+		}
+		if (!*set && lcore_mapped) {
 			lcore_states[lcore].service_mask &= ~(sid_mask);
 			rte_atomic32_dec(&rte_services[sid].num_mapped_cores);
 		}
-- 
2.14.1

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-dev] [PATCH] service: fix number mapped cores count
  2018-01-09  9:40 [dpdk-dev] [PATCH] service: fix number mapped cores count Pavan Nikhilesh
@ 2018-01-09 11:44 ` Van Haaren, Harry
  2018-01-11 22:24   ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
  0 siblings, 1 reply; 3+ messages in thread
From: Van Haaren, Harry @ 2018-01-09 11:44 UTC (permalink / raw)
  To: Pavan Nikhilesh; +Cc: dev, stable

> From: Pavan Nikhilesh [mailto:pbhagavatula@caviumnetworks.com]
> Sent: Tuesday, January 9, 2018 9:41 AM
> To: Van Haaren, Harry <harry.van.haaren@intel.com>
> Cc: dev@dpdk.org; Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>;
> stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] service: fix number mapped cores count
> 
> When adding service the number of mapped cores should only be incremented
> when the core is not already a service core or vice versa.
> 
> Fixes: 21698354c832 ("service: introduce service cores concept")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>

Just a note;
Be careful of going more than 75 chars on git commit messages,

Acked-by: Harry van Haaren <harry.van.haaren@intel.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-dev] [dpdk-stable] [PATCH] service: fix number mapped cores count
  2018-01-09 11:44 ` Van Haaren, Harry
@ 2018-01-11 22:24   ` Thomas Monjalon
  0 siblings, 0 replies; 3+ messages in thread
From: Thomas Monjalon @ 2018-01-11 22:24 UTC (permalink / raw)
  To: Pavan Nikhilesh; +Cc: stable, Van Haaren, Harry, dev

> > When adding service the number of mapped cores should only be incremented
> > when the core is not already a service core or vice versa.
> > 
> > Fixes: 21698354c832 ("service: introduce service cores concept")
> > Cc: stable@dpdk.org
> > 
> > Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
> 
> Just a note;
> Be careful of going more than 75 chars on git commit messages,
> 
> Acked-by: Harry van Haaren <harry.van.haaren@intel.com>

Applied, thanks

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-01-11 22:25 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-01-09  9:40 [dpdk-dev] [PATCH] service: fix number mapped cores count Pavan Nikhilesh
2018-01-09 11:44 ` Van Haaren, Harry
2018-01-11 22:24   ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).