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Tue, 30 Jun 2020 14:59:01 +0000 (UTC) Date: Tue, 30 Jun 2020 15:59:00 +0100 From: Stefan Hajnoczi To: elena.ufimtseva@oracle.com Subject: Re: [PATCH v7 01/21] memory: alloc RAM from file at offset Message-ID: <20200630145900.GB109906@stefanha-x1.localdomain> References: MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="MfFXiAuoTsnnDAfZ" Content-Disposition: inline Received-SPF: pass client-ip=205.139.110.120; envelope-from=stefanha@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/30 03:55:26 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fam@euphon.net, john.g.johnson@oracle.com, swapnil.ingle@nutanix.com, mst@redhat.com, qemu-devel@nongnu.org, kraxel@redhat.com, jag.raman@oracle.com, quintela@redhat.com, armbru@redhat.com, kanth.ghatraju@oracle.com, felipe@nutanix.com, thuth@redhat.com, ehabkost@redhat.com, konrad.wilk@oracle.com, dgilbert@redhat.com, liran.alon@oracle.com, thanos.makatos@nutanix.com, rth@twiddle.net, kwolf@redhat.com, berrange@redhat.com, mreitz@redhat.com, ross.lagerwall@citrix.com, marcandre.lureau@gmail.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --MfFXiAuoTsnnDAfZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jun 27, 2020 at 10:09:23AM -0700, elena.ufimtseva@oracle.com wrote: > From: Jagannathan Raman >=20 > Allow RAM MemoryRegion to be created from an offset in a file, instead > of allocating at offset of 0 by default. This is needed to synchronize > RAM between QEMU & remote process. >=20 > Signed-off-by: Jagannathan Raman > Signed-off-by: John G Johnson > Signed-off-by: Elena Ufimtseva > --- > backends/hostmem-memfd.c | 2 +- > exec.c | 11 +++++++---- > hw/misc/ivshmem.c | 3 ++- > include/exec/memory.h | 2 ++ > include/exec/ram_addr.h | 2 +- > include/qemu/mmap-alloc.h | 3 ++- > memory.c | 3 ++- > util/mmap-alloc.c | 7 ++++--- > util/oslib-posix.c | 2 +- > 9 files changed, 22 insertions(+), 13 deletions(-) Reviewed-by: Stefan Hajnoczi --MfFXiAuoTsnnDAfZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAl77UzQACgkQnKSrs4Gr c8jvuAf8Dp8qI8ciVjlLY1KWZuK4qmILnb0q2H9onpNFhXcdKokPWDR6koVZD3xs Mdap5c6uD0xbVnRGuUMsG48rr1uL95soCYr2QVrL5FmbuA4ZS8WVaDhR036XOK2a a4K96ndkr3BDyT2h/9szkQuo3JnV+35pyjvjtmUAruzFn1Tq9edq1oraI+Qa8oA3 XBeoZWRt+IJf3eFzNlgzTPD2xNTFtBKuOZWgnviVI2Tk867+8hH9IhpzTq6Spflv MTEKQGn6/CdqbhnRHdY66XWkcl4/ZEA42OU2k+SJ1GyL+C1NcDAQNpVtd9pr+KsX FNaJadXdvaDPqBLfxz20FUC6trirWA== =XwgM -----END PGP SIGNATURE----- --MfFXiAuoTsnnDAfZ--