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Wed, 13 Jan 2021 16:42:50 +0000 Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 10DGgmA0028342; Wed, 13 Jan 2021 16:42:48 GMT Received: from jaraman-bur-1.us.oracle.com (/10.152.33.39) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 13 Jan 2021 08:42:48 -0800 From: Jagannathan Raman To: qemu-devel@nongnu.org Subject: [PATCH v17 04/20] multi-process: Add config option for multi-process QEMU Date: Wed, 13 Jan 2021 11:42:16 -0500 Message-Id: X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9863 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 phishscore=0 spamscore=0 malwarescore=0 suspectscore=0 mlxlogscore=999 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101130101 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9863 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 phishscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 impostorscore=0 spamscore=0 mlxscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101130100 Received-SPF: pass client-ip=156.151.31.86; envelope-from=jag.raman@oracle.com; helo=userp2130.oracle.com X-Spam_score_int: -46 X-Spam_score: -4.7 X-Spam_bar: ---- X-Spam_report: (-4.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no 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: elena.ufimtseva@oracle.com, fam@euphon.net, swapnil.ingle@nutanix.com, john.g.johnson@oracle.com, kraxel@redhat.com, jag.raman@oracle.com, quintela@redhat.com, mst@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, alex.williamson@redhat.com, stefanha@redhat.com, thanos.makatos@nutanix.com, 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" Add configuration options to enable or disable multiprocess QEMU code Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Signed-off-by: Elena Ufimtseva Reviewed-by: Stefan Hajnoczi --- configure | 10 ++++++++++ meson.build | 4 +++- Kconfig.host | 4 ++++ hw/Kconfig | 1 + hw/remote/Kconfig | 3 +++ 5 files changed, 21 insertions(+), 1 deletion(-) create mode 100644 hw/remote/Kconfig diff --git a/configure b/configure index 155dda1..357e8ed 100755 --- a/configure +++ b/configure @@ -461,6 +461,7 @@ skip_meson=no gettext="auto" fuse="auto" fuse_lseek="auto" +multiprocess="no" malloc_trim="auto" @@ -806,6 +807,7 @@ Linux) linux="yes" linux_user="yes" vhost_user=${default_feature:-yes} + multiprocess=${default_feature:-yes} ;; esac @@ -1558,6 +1560,10 @@ for opt do ;; --disable-fuse-lseek) fuse_lseek="disabled" ;; + --enable-multiprocess) multiprocess="yes" + ;; + --disable-multiprocess) multiprocess="no" + ;; *) echo "ERROR: unknown option $opt" echo "Try '$0 --help' for more information" @@ -1897,6 +1903,7 @@ disabled with --disable-FEATURE, default is enabled if available libdaxctl libdaxctl support fuse FUSE block device export fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports + multiprocess Multiprocess QEMU support NOTE: The object files are built at the place where configure is launched EOF @@ -6135,6 +6142,9 @@ fi if test "$have_mlockall" = "yes" ; then echo "HAVE_MLOCKALL=y" >> $config_host_mak fi +if test "$multiprocess" = "yes" ; then + echo "CONFIG_MULTIPROCESS_ALLOWED=y" >> $config_host_mak +fi if test "$fuzzing" = "yes" ; then # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the # needed CFLAGS have already been provided diff --git a/meson.build b/meson.build index 3d88985..01e25bc 100644 --- a/meson.build +++ b/meson.build @@ -1194,7 +1194,8 @@ host_kconfig = \ ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \ (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \ ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \ - ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \ + ('CONFIG_MULTIPROCESS_ALLOWED' in config_host ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ] @@ -2508,6 +2509,7 @@ summary_info += {'rng-none': config_host.has_key('CONFIG_RNG_NONE')} summary_info += {'Linux keyring': config_host.has_key('CONFIG_SECRET_KEYRING')} summary_info += {'FUSE exports': fuse.found()} summary_info += {'FUSE lseek': fuse_lseek.found()} +summary_info += {'Multiprocess QEMU': config_host.has_key('CONFIG_MULTIPROCESS_ALLOWED')} summary(summary_info, bool_yn: true) if not supported_cpus.contains(cpu) diff --git a/Kconfig.host b/Kconfig.host index a9a55a9..24255ef 100644 --- a/Kconfig.host +++ b/Kconfig.host @@ -37,3 +37,7 @@ config VIRTFS config PVRDMA bool + +config MULTIPROCESS_ALLOWED + bool + imply MULTIPROCESS diff --git a/hw/Kconfig b/hw/Kconfig index 5ad3c6b..525fb52 100644 --- a/hw/Kconfig +++ b/hw/Kconfig @@ -27,6 +27,7 @@ source pci-host/Kconfig source pcmcia/Kconfig source pci/Kconfig source rdma/Kconfig +source remote/Kconfig source rtc/Kconfig source scsi/Kconfig source sd/Kconfig diff --git a/hw/remote/Kconfig b/hw/remote/Kconfig new file mode 100644 index 0000000..5484446 --- /dev/null +++ b/hw/remote/Kconfig @@ -0,0 +1,3 @@ +config MULTIPROCESS + bool + depends on PCI && KVM