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From: Gerd Hoffmann <kraxel@redhat.com>
To: "Marc-André Lureau" <marcandre.lureau@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Richard Henderson <rth@twiddle.net>,
	qemu-devel@nongnu.org, stefanha@redhat.com,
	Eduardo Habkost <ehabkost@redhat.com>
Subject: Re: [PATCH 0/2] RFC: add -mem-shared option
Date: Fri, 29 Nov 2019 08:02:53 +0100	[thread overview]
Message-ID: <20191129070253.5hwksjrapomk434x@sirius.home.kraxel.org> (raw)
In-Reply-To: <20191128141518.628245-1-marcandre.lureau@redhat.com>

On Thu, Nov 28, 2019 at 06:15:16PM +0400, Marc-André Lureau wrote:
> Hi,
> 
> Setting up shared memory for vhost-user is a bit complicated from
> command line, as it requires NUMA setup such as: m 4G -object
> memory-backend-file,id=mem,size=4G,mem-path=/dev/shm,share=on -numa
> node,memdev=mem.
> 
> Instead, I suggest to add a -mem-shared option for non-numa setups,
> that will make the -mem-path or anonymouse memory shareable.

Is it an option to just use memfd by default (if available)?

cheers,
  Gerd



  parent reply	other threads:[~2019-11-29  7:28 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-28 14:15 [PATCH 0/2] RFC: add -mem-shared option Marc-André Lureau
2019-11-28 14:15 ` [PATCH 1/2] memfd: add qemu_memfd_open() Marc-André Lureau
2019-11-28 14:15 ` [PATCH 2/2] Add -mem-shared option Marc-André Lureau
2019-11-28 16:14   ` Eduardo Habkost
2019-11-28 16:28   ` Igor Mammedov
2019-11-28 20:31     ` Marc-André Lureau
2019-11-29 10:07       ` Igor Mammedov
2019-11-29 10:11         ` Paolo Bonzini
2019-11-29 12:01           ` Markus Armbruster
2019-11-29 20:31             ` Eduardo Habkost
2019-11-29 12:16           ` Igor Mammedov
2019-11-29 17:46             ` Paolo Bonzini
2019-12-02  7:39               ` Igor Mammedov
2019-12-02 21:00                 ` Eduardo Habkost
2019-12-03  8:56                   ` Thomas Huth
2019-12-03 14:43                     ` Igor Mammedov
2019-12-09 20:58                       ` Eduardo Habkost
2019-12-10 10:34                         ` Markus Armbruster
2019-12-10 13:09                           ` Igor Mammedov
2019-12-03 21:34                     ` Eduardo Habkost
2019-11-28 16:10 ` [PATCH 0/2] RFC: add " Eduardo Habkost
2019-11-29  9:18   ` Igor Mammedov
2019-11-29  9:31   ` Paolo Bonzini
2019-11-29 10:23     ` Igor Mammedov
2019-11-29 11:21       ` Paolo Bonzini
2019-11-29 20:21     ` Eduardo Habkost
2019-12-01 15:40       ` Marc-André Lureau
2019-12-01 18:03         ` Paolo Bonzini
2019-11-28 16:59 ` Dr. David Alan Gilbert
2019-11-29  9:23   ` Igor Mammedov
2019-12-13 11:39     ` Stefan Hajnoczi
2019-12-13 13:12       ` Igor Mammedov
2019-11-29  4:37 ` no-reply
2019-11-29  5:34 ` no-reply
2019-11-29  7:02 ` Gerd Hoffmann [this message]
2019-11-29  7:30   ` Marc-André Lureau
2019-11-29  9:27     ` Daniel P. Berrangé
2019-11-29  9:31       ` Marc-André Lureau
2019-11-29  9:42         ` Daniel P. Berrangé
2019-11-29  9:45           ` Marc-André Lureau
2019-11-29 11:44             ` Gerd Hoffmann
2019-11-29  9:33       ` Paolo Bonzini
2019-11-29  9:39         ` Daniel P. Berrangé
2019-11-29  9:52           ` Paolo Bonzini
2019-11-29 10:13         ` Igor Mammedov
2019-11-29 11:20           ` Paolo Bonzini

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