* [PATCH net-next] selftests: rtnetlink: try concurrent change of ifalias
@ 2017-10-04 11:52 Florian Westphal
2017-10-04 14:16 ` Eric Dumazet
0 siblings, 1 reply; 2+ messages in thread
From: Florian Westphal @ 2017-10-04 11:52 UTC (permalink / raw)
To: netdev; +Cc: Florian Westphal
to make sure this is serialized correctly.
Signed-off-by: Florian Westphal <fw@strlen.de>
---
tools/testing/selftests/net/rtnetlink.sh | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
index 62c87da92770..13c29beb5769 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -278,6 +278,14 @@ kci_test_ifalias()
ip link show "$devdummy" | grep -q "alias $namewant"
check_fail $?
+ for i in $(seq 1 100); do
+ uuidgen > "$syspathname" &
+ done
+
+ for i in $(seq 1 100); do
+ wait
+ done
+
# re-add the alias -- kernel should free mem when dummy dev is removed
ip link set dev "$devdummy" alias "$namewant"
check_err $?
--
2.13.6
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next] selftests: rtnetlink: try concurrent change of ifalias
2017-10-04 11:52 [PATCH net-next] selftests: rtnetlink: try concurrent change of ifalias Florian Westphal
@ 2017-10-04 14:16 ` Eric Dumazet
0 siblings, 0 replies; 2+ messages in thread
From: Eric Dumazet @ 2017-10-04 14:16 UTC (permalink / raw)
To: Florian Westphal; +Cc: netdev
On Wed, 2017-10-04 at 13:52 +0200, Florian Westphal wrote:
> to make sure this is serialized correctly.
>
> Signed-off-by: Florian Westphal <fw@strlen.de>
> ---
> tools/testing/selftests/net/rtnetlink.sh | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
> index 62c87da92770..13c29beb5769 100755
> --- a/tools/testing/selftests/net/rtnetlink.sh
> +++ b/tools/testing/selftests/net/rtnetlink.sh
> @@ -278,6 +278,14 @@ kci_test_ifalias()
> ip link show "$devdummy" | grep -q "alias $namewant"
> check_fail $?
>
> + for i in $(seq 1 100); do
> + uuidgen > "$syspathname" &
> + done
> +
> + for i in $(seq 1 100); do
> + wait
> + done
> +
A single wait is enough, you do not need a loop.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-10-04 14:16 ` Eric Dumazet
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