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Tsirkin" , =?UTF-8?B?Q8OpZHJpYw==?= Le Goater , David Gibson , Halil Pasic , Daniel Henrique Barboza Subject: Re: [PATCH 07/13] RFC migration: icp/server is a mess Message-ID: <20231019233958.17abb488@bahia> In-Reply-To: <20231019190831.20363-8-quintela@redhat.com> References: <20231019190831.20363-1-quintela@redhat.com> <20231019190831.20363-8-quintela@redhat.com> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [37.59.142.106] X-ClientProxiedBy: DAG1EX1.mxp5.local (172.16.2.1) To DAG6EX1.mxp5.local (172.16.2.51) X-Ovh-Tracer-GUID: 788fb555-ab1a-435b-9d14-6f76b08a239c X-Ovh-Tracer-Id: 11686841037111007607 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvkedrjeejgddtudcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpeffhffvvefukfgjfhfogggtgfhisehtjeertdertddvnecuhfhrohhmpefirhgvghcumfhurhiiuceoghhrohhugheskhgrohgurdhorhhgqeenucggtffrrghtthgvrhhnpeegkeejtdevgeekieelffdvtedvvdegtdduudeigffhhffgvdfhgeejteekheefkeenucfkphepuddvjedrtddrtddruddpfeejrdehledrudegvddruddtiedpkeekrddujeelrdelrdduheegnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepuddvjedrtddrtddruddpmhgrihhlfhhrohhmpeeoghhrohhugheskhgrohgurdhorhhgqedpnhgspghrtghpthhtohepuddprhgtphhtthhopehquhhinhhtvghlrgesrhgvughhrghtrdgtohhmpdgurghvihgusehgihgsshhonhdrughrohhpsggvrghrrdhiugdrrghupdhmshhtsehrvgguhhgrthdrtghomhdpphgvthgvrhdrmhgrhiguvghllheslhhinhgrrhhordhorhhgpdhthhhuthhhsehrvgguhhgrthdrtghomhdplhgvohgsrhgrshesrhgvughhrghtrdgtohhmpdhmihhnhigrrhgusegrtghmrdhorhhgpdhjrghsohifrghnghesrhgvughhrghtrdgtohhmpdhqvghmuhdqrghrmhesnhhonh hgnhhurdhorhhgpdhsfiesfigvihhlnhgvthiirdguvgdpmhgrrhgtrghnughrvgdrlhhurhgvrghusehrvgguhhgrthdrtghomhdpsghorhhnthhrrggvghgvrheslhhinhhugidrihgsmhdrtghomhdpmhgrrhhkrdgtrghvvgdqrgihlhgrnhgusehilhgrnhguvgdrtghordhukhdpqhgvmhhuqdgslhhotghksehnohhnghhnuhdrohhrghdpjhhsnhhofiesrhgvughhrghtrdgtohhmpdhprghsihgtsehlihhnuhigrdhisghmrdgtohhmpdhhrghrshhhphgssehlihhnuhigrdhisghmrdgtohhmpdhfrghrmhgrnheslhhinhhugidrihgsmhdrtghomhdpfhgrrhhoshgrshesshhushgvrdguvgdpihhiiheslhhinhhugidrihgsmhdrtghomhdpuggrvhhiugesrhgvughhrghtrdgtohhmpdhrihgthhgrrhgurdhhvghnuggvrhhsohhnsehlihhnrghrohdrohhrghdpshgrmhhuvghlrdhthhhisggruhhlthesvghnshdqlhihohhnrdhorhhgpdgtmhhinhihrghrugesmhhvihhsthgrrdgtohhmpdhkrhgrgigvlhesrhgvughhrghtrdgtohhmpdhqvghmuhdqshefledtgiesnhhonhhgnhhurdhorhhgpdhnphhighhgihhnsehgmhgrihhlrdgtohhmpdhqvghmuhdqphhptgesnhhonhhgnhhurdhorhhgpdhmrghrtggvlhdrrghpfhgvlhgsrghumhesghhmrghilhdrtghomhdpshhtvghfrghnsgeslhhinhhugidrvhhnvghtrdhisghmrdgtohhmpdhqvghmuhdquggvvhgvlhesnhhonhhgnhhurdhorhhgpdhpvghtvghrgie srhgvughhrghtrdgtohhmpdgurghnihgvlhhhsgegudefsehgmhgrihhlrdgtohhmpdfovfetjfhoshhtpehmohehgeekpdhmohguvgepshhmthhpohhuth Received-SPF: pass client-ip=46.105.48.137; envelope-from=groug@kaod.org; helo=9.mo548.mail-out.ovh.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: k8KxE3MPwZzB On Thu, 19 Oct 2023 21:08:25 +0200 Juan Quintela wrote: > Current code does: > - register pre_2_10_vmstate_dummy_icp with "icp/server" and instance > dependinfg on cpu number > - for newer machines, it register vmstate_icp with "icp/server" name > and instance 0 > - now it unregisters "icp/server" for the 1st instance. > > This is wrong at many levels: > - we shouldn't have two VMSTATEDescriptions with the same name > - In case this is the only solution that we can came with, it needs to > be: > * register pre_2_10_vmstate_dummy_icp > * unregister pre_2_10_vmstate_dummy_icp > * register real vmstate_icp > > As the initialization of this machine is already complex enough, I > need help from PPC maintainers to fix this. > > Volunteers? > > CC: Cedric Le Goater > CC: Daniel Henrique Barboza > CC: David Gibson > CC: Greg Kurz > > Signed-off-by: Juan Quintela > --- > hw/ppc/spapr.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c > index cb840676d3..8531d13492 100644 > --- a/hw/ppc/spapr.c > +++ b/hw/ppc/spapr.c > @@ -143,7 +143,12 @@ static bool pre_2_10_vmstate_dummy_icp_needed(void *opaque) > } > > static const VMStateDescription pre_2_10_vmstate_dummy_icp = { > - .name = "icp/server", > + /* > + * Hack ahead. We can't have two devices with the same name and > + * instance id. So I rename this to pass make check. > + * Real help from people who knows the hardware is needed. > + */ > + .name = "pre-2.10-icp/server", > .version_id = 1, > .minimum_version_id = 1, > .needed = pre_2_10_vmstate_dummy_icp_needed, I guess this fix is acceptable as well and a lot simpler than reverting the hack actually. Outcome is the same : drop compat with pseries-2.9 and older. Reviewed-by: Greg Kurz -- Greg