From: Stephen Hemminger <stephen@networkplumber.org>
To: Michal Krawczyk <mk@semihalf.com>
Cc: dev@dpdk.org, mw@semihalf.com, mba@semihalf.com,
gtzalik@amazon.com, evgenys@amazon.com, igorch@amazon.com,
stable@dpdk.org
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH 02/29] net/ena/base: make allocation macros thread-safe
Date: Fri, 27 Mar 2020 07:54:48 -0700 [thread overview]
Message-ID: <20200327075448.417ef984@hermes.lan> (raw)
In-Reply-To: <20200327101823.12646-3-mk@semihalf.com>
On Fri, 27 Mar 2020 11:17:56 +0100
Michal Krawczyk <mk@semihalf.com> wrote:
> From: Igor Chauskin <igorch@amazon.com>
>
> Memory allocation region id could possibly be non-unique
> due to non-atomic increment, causing allocation failure.
>
> Fixes: 9ba7981ec992 ("ena: add communication layer for DPDK")
> Cc: stable@dpdk.org
>
> Signed-off-by: Igor Chauskin <igorch@amazon.com>
> Reviewed-by: Michal Krawczyk <mk@semihalf.com>
> Reviewed-by: Guy Tzalik <gtzalik@amazon.com>
With DPDK all control operations are the device are supposed
to be single threaded by the caller. Do you have an allocation in
some datapath?
next prev parent reply other threads:[~2020-03-27 14:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200327101823.12646-1-mk@semihalf.com>
2020-03-27 10:17 ` [dpdk-stable] " Michal Krawczyk
2020-03-27 14:54 ` Stephen Hemminger [this message]
2020-03-31 9:47 ` [dpdk-stable] [dpdk-dev] " Michał Krawczyk
2020-03-27 10:17 ` [dpdk-stable] [PATCH 03/29] net/ena/base: prevent allocation of 0-sized memory Michal Krawczyk
2020-03-27 10:18 ` [dpdk-stable] [PATCH 15/29] net/ena: set IO ring size to the valid value Michal Krawczyk
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