From: David Marchand <david.marchand@redhat.com>
To: dev@dpdk.org
Cc: stephen@networkplumber.org, arybchenko@solarflare.com, stable@dpdk.org
Subject: [dpdk-stable] [PATCH] eal/linux: fix build error on RHEL 7.6
Date: Wed, 4 Dec 2019 16:00:02 +0100 [thread overview]
Message-ID: <20191204150002.4824-1-david.marchand@redhat.com> (raw)
Previous fix gives hiccups to gcc on RHEL 7.6:
== Build lib/librte_eal/linux/eal
CC eal_interrupts.o
...lib/librte_eal/linux/eal/eal_interrupts.c: In function
‘eal_intr_thread_main’:
...lib/librte_eal/linux/eal/eal_interrupts.c:1048:9: error: missing
initializer for field ‘events’ of ‘struct epoll_event’
[-Werror=missing-field-initializers]
struct epoll_event ev = { };
^
In file included from ...lib/librte_eal/linux/eal/eal_interrupts.c:15:0:
/usr/include/sys/epoll.h:89:12: note: ‘events’ declared here
uint32_t events; /* Epoll events */
^
...lib/librte_eal/linux/eal/eal_interrupts.c: At top level:
cc1: error: unrecognized command line option
"-Wno-address-of-packed-member" [-Werror]
cc1: all warnings being treated as errors
Fixes: e0ab8020ac2a ("eal/linux: fix uninitialized data valgrind warning")
Cc: stable@dpdk.org
Reported-by: Andrew Rybchenko <arybchenko@solarflare.com>
Signed-off-by: David Marchand <david.marchand@redhat.com>
---
lib/librte_eal/linux/eal/eal_interrupts.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/lib/librte_eal/linux/eal/eal_interrupts.c b/lib/librte_eal/linux/eal/eal_interrupts.c
index 2cd537ba4..14ebb108c 100644
--- a/lib/librte_eal/linux/eal/eal_interrupts.c
+++ b/lib/librte_eal/linux/eal/eal_interrupts.c
@@ -1045,8 +1045,6 @@ eal_intr_handle_interrupts(int pfd, unsigned totalfds)
static __attribute__((noreturn)) void *
eal_intr_thread_main(__rte_unused void *arg)
{
- struct epoll_event ev = { };
-
/* host thread, never break out */
for (;;) {
/* build up the epoll fd with all descriptors we are to
@@ -1078,8 +1076,11 @@ eal_intr_thread_main(__rte_unused void *arg)
rte_spinlock_lock(&intr_lock);
TAILQ_FOREACH(src, &intr_sources, next) {
+ struct epoll_event ev;
+
if (src->callbacks.tqh_first == NULL)
continue; /* skip those with no callbacks */
+ memset(&ev, 0, sizeof(ev));
ev.events = EPOLLIN | EPOLLPRI | EPOLLRDHUP | EPOLLHUP;
ev.data.fd = src->intr_handle.fd;
--
2.23.0
next reply other threads:[~2019-12-04 15:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-04 15:00 David Marchand [this message]
2019-12-04 15:37 ` Stephen Hemminger
2019-12-04 15:55 ` David Marchand
2019-12-04 16:08 ` Stephen Hemminger
2019-12-04 19:22 ` David Marchand
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