From: Suanming Mou <suanmingm@nvidia.com>
To: Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>
Cc: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>,
Dmitry Malloy <dmitrym@microsoft.com>,
Pallavi Kadam <pallavi.kadam@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>,
NBU-Contact-Thomas Monjalon <thomas@monjalon.net>,
Tal Shnaiderman <talshn@nvidia.com>,
Ophir Munk <ophirmu@nvidia.com>
Subject: Re: [dpdk-dev] [PATCH v4 1/2] eal/windows: add pthread mutex lock
Date: Thu, 15 Oct 2020 02:18:46 +0000 [thread overview]
Message-ID: <MWHPR12MB174303A9EDD50264DBCC6F0BC1020@MWHPR12MB1743.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20201015021545.GA26401@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
> -----Original Message-----
> From: Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>
> Sent: Thursday, October 15, 2020 10:16 AM
> To: Suanming Mou <suanmingm@nvidia.com>
> Cc: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>; Dmitry Malloy
> <dmitrym@microsoft.com>; Pallavi Kadam <pallavi.kadam@intel.com>;
> dev@dpdk.org
> Subject: Re: [PATCH v4 1/2] eal/windows: add pthread mutex lock
>
> On Fri, Oct 09, 2020 at 09:17:22AM +0800, Suanming Mou wrote:
> > Add pthread mutex lock as it is needed for the thread safe rte_flow
> > functions.
> >
> > Signed-off-by: Suanming Mou <suanmingm@nvidia.com>
> > Acked-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
> > ---
> >
> > v4:
> > - Add PTHREAD_MUTEX_INITIALIZER macro.
> >
> > v3:
> > - No updates.
> >
> > v2:
> > - Using critical section for windows pthread mutex.
> >
> > ---
> >
> > lib/librte_eal/windows/include/pthread.h | 35
> > ++++++++++++++++++++++++++++++++
> > 1 file changed, 35 insertions(+)
> >
> > diff --git a/lib/librte_eal/windows/include/pthread.h
> > b/lib/librte_eal/windows/include/pthread.h
> > index 99013dc..c62251f 100644
> > --- a/lib/librte_eal/windows/include/pthread.h
> > +++ b/lib/librte_eal/windows/include/pthread.h
> > @@ -28,6 +28,12 @@
> > /* defining pthread_attr_t type on Windows since there is no in
> > Microsoft libc*/ typedef void *pthread_attr_t;
> >
> > +typedef void *pthread_mutexattr_t;
> > +
> > +typedef CRITICAL_SECTION pthread_mutex_t;
> > +
> > +#define PTHREAD_MUTEX_INITIALIZER {(void *)-1, -1, 0, 0, 0, 0}
> > +
>
> Regarding the question on the static initializer, adding the guidance from
> DmitryM:
> "If you choose to do the static initializer, you will be relying on implementation
> specifics, (which may have not changed ever, or may not ever change, or may
> change in the next release).
> This would be a hack (although potentially long term)."
Yes, thanks. So we have removed that hack in the latest v5.
https://patches.dpdk.org/patch/80814/
>
> Otherwise,
> Acked-by: Narcisa Vasile <navasile@linux.microsoft.com>
next prev parent reply other threads:[~2020-10-15 2:19 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-27 8:20 [dpdk-dev] [PATCH 0/2] ethdev: make rte flow API thread safe Suanming Mou
2020-09-27 8:20 ` [dpdk-dev] [PATCH 1/2] eal/windows: add pthread mutex lock Suanming Mou
2020-09-27 15:56 ` Dmitry Kozlyuk
2020-09-28 2:30 ` Suanming Mou
2020-09-27 8:20 ` [dpdk-dev] [PATCH 2/2] ethdev: make rte flow API thread safe Suanming Mou
2020-09-30 10:56 ` Ori Kam
2020-10-04 23:44 ` Suanming Mou
2020-10-04 23:48 ` [dpdk-dev] [PATCH v2 0/2] ethdev: make rte_flow " Suanming Mou
2020-10-04 23:48 ` [dpdk-dev] [PATCH v2 1/2] eal/windows: add pthread mutex lock Suanming Mou
2020-10-04 23:48 ` [dpdk-dev] [PATCH v2 2/2] ethdev: make rte_flow API thread safe Suanming Mou
2020-10-05 11:28 ` Ori Kam
2020-10-06 23:18 ` Ajit Khaparde
2020-10-07 0:50 ` Suanming Mou
2020-10-07 6:33 ` Ori Kam
2020-10-07 14:17 ` [dpdk-dev] [PATCH v3 0/2] " Suanming Mou
2020-10-07 14:17 ` [dpdk-dev] [PATCH v3 1/2] eal/windows: add pthread mutex lock Suanming Mou
2020-10-07 16:53 ` Dmitry Kozlyuk
2020-10-08 2:46 ` Suanming Mou
2020-10-14 10:02 ` Tal Shnaiderman
2020-10-07 14:17 ` [dpdk-dev] [PATCH v3 2/2] ethdev: make rte_flow API thread safe Suanming Mou
2020-10-07 14:42 ` Ajit Khaparde
2020-10-07 16:37 ` Ori Kam
2020-10-07 20:10 ` Matan Azrad
2020-10-08 2:56 ` Suanming Mou
2020-10-09 1:17 ` [dpdk-dev] [PATCH v4 0/2] " Suanming Mou
2020-10-09 1:17 ` [dpdk-dev] [PATCH v4 1/2] eal/windows: add pthread mutex lock Suanming Mou
2020-10-09 9:19 ` Tal Shnaiderman
2020-10-14 16:45 ` Ranjit Menon
2020-10-15 2:15 ` Narcisa Ana Maria Vasile
2020-10-15 2:18 ` Suanming Mou [this message]
2020-10-09 1:17 ` [dpdk-dev] [PATCH v4 2/2] ethdev: make rte_flow API thread safe Suanming Mou
2020-10-14 10:19 ` Thomas Monjalon
2020-10-14 10:41 ` Suanming Mou
2020-10-15 1:07 ` [dpdk-dev] [PATCH v5 0/2] " Suanming Mou
2020-10-15 1:07 ` [dpdk-dev] [PATCH v5 1/2] eal/windows: add pthread mutex lock Suanming Mou
2020-10-15 2:22 ` Narcisa Ana Maria Vasile
2020-10-15 1:07 ` [dpdk-dev] [PATCH v5 2/2] ethdev: make rte_flow API thread safe Suanming Mou
2020-10-15 8:28 ` Thomas Monjalon
2020-10-15 8:52 ` Andrew Rybchenko
2020-10-15 22:43 ` [dpdk-dev] [PATCH v5 0/2] " Thomas Monjalon
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