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Tsirkin" To: Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= Cc: Zhao Liu , Paolo Bonzini , Peter Maydell , qemu-devel@nongnu.org, Zhao Liu , Ani Sinha , Igor Mammedov Subject: Re: [PATCH-for-9.0?] docs: i386: pc: Update maximum CPU numbers for PC Q35 Message-ID: <20240602092857-mutt-send-email-mst@kernel.org> References: <20240412085358.731560-1-zhao1.liu@linux.intel.com> <305d659b-d4d6-4681-bdad-cd869e552333@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <305d659b-d4d6-4681-bdad-cd869e552333@linaro.org> Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.142, 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@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-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Fri, Apr 12, 2024 at 11:57:35AM +0200, Philippe Mathieu-Daudé wrote: > Hi Zhao, > > On 12/4/24 10:53, Zhao Liu wrote: > > From: Zhao Liu > > > > Commit e4e98c7eebfa ("pc: q35: Bump max_cpus to 4096 vcpus") increases > > the supported CPUs for PC Q35 machine. > > > > Update maximum CPU numbers for PC Q35 in the document. > > > > Signed-off-by: Zhao Liu > > --- > > docs/system/target-i386-desc.rst.inc | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/docs/system/target-i386-desc.rst.inc b/docs/system/target-i386-desc.rst.inc > > index 5ebbcda9db4c..319e540573d3 100644 > > --- a/docs/system/target-i386-desc.rst.inc > > +++ b/docs/system/target-i386-desc.rst.inc > > @@ -36,7 +36,7 @@ The QEMU PC System emulator simulates the following peripherals: > > - PCI UHCI, OHCI, EHCI or XHCI USB controller and a virtual USB-1.1 > > hub. > > -SMP is supported with up to 255 CPUs. > > +SMP is supported with up to 255 CPUs (and 4096 CPUs for PC Q35 machine). > > This comment is not accurate since a while, IIUC: > > Up to q35-2.7: 255 > q35-2.8: 288 > q35-8.0+: 1024 > q35-9.0: 4096 What are you saying here, Philippe? I don't think compat machine types matter enough to bother with more detail. > > QEMU uses the PC BIOS from the Seabios project and the Plex86/Bochs LGPL > > VGA BIOS.