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From: Tal Shnaiderman <talshn@nvidia.com>
To: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	NBU-Contact-Thomas Monjalon <thomas@monjalon.net>,
	"pallavi.kadam@intel.com" <pallavi.kadam@intel.com>,
	"navasile@linux.microsoft.com" <navasile@linux.microsoft.com>,
	"dmitrym@microsoft.com" <dmitrym@microsoft.com>,
	"david.marchand@redhat.com" <david.marchand@redhat.com>
Subject: Re: [dpdk-dev] [PATCH v5] eal: add generic thread-local-storage functions
Date: Wed, 30 Dec 2020 10:04:28 +0000
Message-ID: <DM6PR12MB394592E79D003C67673AB471A4D70@DM6PR12MB3945.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20201230021357.3d6ca19e@sovereign>

> Subject: Re: [PATCH v5] eal: add generic thread-local-storage functions
> 
> External email: Use caution opening links or attachments
> 
> 
> On Sat, 26 Dec 2020 18:08:48 +0200, Tal Shnaiderman wrote:
> > diff --git a/lib/librte_eal/windows/meson.build
> > b/lib/librte_eal/windows/meson.build
> > index 3b2faf29eb..f4c3e2f12c 100644
> > --- a/lib/librte_eal/windows/meson.build
> > +++ b/lib/librte_eal/windows/meson.build
> > @@ -21,4 +21,10 @@ sources += files(
> >       'getopt.c',
> >  )
> >
> > +if (dpdk_conf.has('use_windows_pthread'))
> > +     sources += 'librte_eal/common/rte_thread.c'
> > +else
> > +     sources += 'librte_eal/windows/rte_thread.c'
> > +endif
> > +
> 
> You need get_option(), not dpdk_conf (apologies again for not being precise
> when I drafted the approach):
> 
> --- a/lib/librte_eal/windows/meson.build
> +++ b/lib/librte_eal/windows/meson.build
> @@ -21,7 +21,7 @@ sources += files(
>         'getopt.c',
>  )
> 
> -if (dpdk_conf.has('use_windows_pthread'))
> +if get_option('use_windows_pthread')
>         sources += 'librte_eal/common/rte_thread.c'
>  else
>         sources += 'librte_eal/windows/rte_thread.c'
> 
> Worse, with -Duse_windows_pthread=true file in common directory
> includes <pthread.h>, but it finds pthread shim from windows subdirectory,
> not the file from external library or MinGW toolchain. So the option is not
> usable until the shim exists. I suggest removing the option for now, let's
> reintroduce it when rte_thread.h grows and the shim goes away.
> 

Right, thanks for checking, I'll send a version without it.

I was planning to add support for thread priority control to address the issue of threads with realtime priority denying cpu time from OS threads, I think it will be a good opportunity to move pthread_create to the new API.

  reply	other threads:[~2020-12-30 10:04 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-13 20:24 [dpdk-dev] [PATCH v2] eal/windows: add pthread TLS function support Tal Shnaiderman
2020-12-15 22:36 ` Dmitry Kozlyuk
2020-12-17 17:49 ` [dpdk-dev] [PATCH v3] eal: add generic thread-local-storage functions Tal Shnaiderman
2020-12-17 20:56   ` Dmitry Kozlyuk
2020-12-18 19:37     ` Tal Shnaiderman
2020-12-22  7:30   ` [dpdk-dev] [PATCH v4] " Tal Shnaiderman
2020-12-23  1:18     ` Dmitry Kozlyuk
2020-12-23 11:44       ` Tal Shnaiderman
2020-12-23 11:58         ` Dmitry Kozlyuk
2020-12-23 18:16           ` [dpdk-dev] [EXTERNAL] " Dmitry Malloy (MESHCHANINOV)
2020-12-26 16:08     ` [dpdk-dev] [PATCH v5] " Tal Shnaiderman
2020-12-29 23:13       ` Dmitry Kozlyuk
2020-12-30 10:04         ` Tal Shnaiderman [this message]
2020-12-30 11:12       ` [dpdk-dev] [PATCH v6] " Tal Shnaiderman
2021-01-01 22:16         ` Dmitry Kozlyuk
2021-01-05 11:53         ` Thomas Monjalon
2021-01-05 17:06       ` [dpdk-dev] [PATCH v7 0/2] support generic threading functions Tal Shnaiderman
2021-01-05 17:06         ` [dpdk-dev] [PATCH v7 1/2] eal: move thread affinity functions to new file Tal Shnaiderman
2021-01-06 14:40           ` Dmitry Kozlyuk
2021-01-06 19:45           ` [dpdk-dev] [PATCH v8 0/2] support generic threading functions Tal Shnaiderman
2021-01-06 19:45             ` [dpdk-dev] [PATCH v8 1/2] eal: move thread affinity functions to new file Tal Shnaiderman
2021-01-06 19:45             ` [dpdk-dev] [PATCH v8 2/2] eal: add generic thread-local-storage functions Tal Shnaiderman
2021-01-06 20:10               ` Dmitry Kozlyuk
2021-01-06 20:33                 ` Tal Shnaiderman
2021-01-06 20:35             ` [dpdk-dev] [PATCH v9 0/2] support generic threading functions Tal Shnaiderman
2021-01-06 20:35               ` [dpdk-dev] [PATCH v9 1/2] eal: move thread affinity functions to new file Tal Shnaiderman
2021-01-06 20:35               ` [dpdk-dev] [PATCH v9 2/2] eal: add generic thread-local-storage functions Tal Shnaiderman
2021-01-07 14:46                 ` Dmitry Kozlyuk
2021-02-10 13:33                 ` Burakov, Anatoly
2021-02-10 14:26                   ` Medvedkin, Vladimir
2021-02-11  7:34                     ` Tal Shnaiderman
2021-02-11  7:26                   ` Tal Shnaiderman
2021-01-11 22:33               ` [dpdk-dev] [PATCH v9 0/2] support generic threading functions Thomas Monjalon
2021-01-05 17:06         ` [dpdk-dev] [PATCH v7 2/2] eal: add generic thread-local-storage functions Tal Shnaiderman
2021-01-06 15:05           ` Dmitry Kozlyuk
2021-01-06 16:04             ` Tal Shnaiderman

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