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Tsirkin" To: Alvaro Karsz Subject: Re: [PATCH net] virtio-net: reject small vring sizes Message-ID: <20230423065132-mutt-send-email-mst@kernel.org> References: <20230417030713-mutt-send-email-mst@kernel.org> <20230417051816-mutt-send-email-mst@kernel.org> <20230417073830-mutt-send-email-mst@kernel.org> <20230417075645-mutt-send-email-mst@kernel.org> <20230423031308-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "edumazet@google.com" , "kuba@kernel.org" , "pabeni@redhat.com" , "davem@davemloft.net" X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gU3VuLCBBcHIgMjMsIDIwMjMgYXQgMDc6NTI6MTBBTSArMDAwMCwgQWx2YXJvIEthcnN6IHdy b3RlOgo+ID4gSG1tLiBJIHdhcyB3cm9uZy4gVGhlcmUgaXMgbm8gd2F5IHRvIGRpc2FibGUgQ1ZR IGZlYXR1cmUgYml0Lgo+ID4gCj4gPiAxLiBSZXNldCB0aGUgZGV2aWNlLgo+ID4gMi4gU2V0IHRo ZSBBQ0tOT1dMRURHRSBzdGF0dXMgYml0OiB0aGUgZ3Vlc3QgT1MgaGFzIG5vdGljZSB0aGUgZGV2 aWNlLgo+ID4gMy4gU2V0IHRoZSBEUklWRVIgc3RhdHVzIGJpdDogdGhlIGd1ZXN0IE9TIGtub3dz IGhvdyB0byBkcml2ZSB0aGUgZGV2aWNlLgo+ID4gNC4gUmVhZCBkZXZpY2UgZmVhdHVyZSBiaXRz LCBhbmQgd3JpdGUgdGhlIHN1YnNldCBvZiBmZWF0dXJlIGJpdHMgdW5kZXJzdG9vZCBieSB0aGUg T1MgYW5kIGRyaXZlciB0byB0aGUKPiA+IGRldmljZS4gRHVyaW5nIHRoaXMgc3RlcCB0aGUgZHJp dmVyIE1BWSByZWFkIChidXQgTVVTVCBOT1Qgd3JpdGUpIHRoZSBkZXZpY2Utc3BlY2lmaWMgY29u ZmlndXJhdGlvbgo+ID4gZmllbGRzIHRvIGNoZWNrIHRoYXQgaXQgY2FuIHN1cHBvcnQgdGhlIGRl dmljZSBiZWZvcmUgYWNjZXB0aW5nIGl0Lgo+ID4gNS4gU2V0IHRoZSBGRUFUVVJFU19PSyBzdGF0 dXMgYml0LiBUaGUgZHJpdmVyIE1VU1QgTk9UIGFjY2VwdCBuZXcgZmVhdHVyZSBiaXRzIGFmdGVy IHRoaXMgc3RlcC4KPiA+IDYuIFJlLXJlYWQgZGV2aWNlIHN0YXR1cyB0byBlbnN1cmUgdGhlIEZF QVRVUkVTX09LIGJpdCBpcyBzdGlsbCBzZXQ6IG90aGVyd2lzZSwgdGhlIGRldmljZSBkb2VzIG5v dAo+ID4gc3VwcG9ydCBvdXIgc3Vic2V0IG9mIGZlYXR1cmVzIGFuZCB0aGUgZGV2aWNlIGlzIHVu dXNhYmxlLgo+ID4gNy4gUGVyZm9ybSBkZXZpY2Utc3BlY2lmaWMgc2V0dXAsIGluY2x1ZGluZyBk aXNjb3Zlcnkgb2YgdmlydHF1ZXVlcyBmb3IgdGhlIGRldmljZSwgb3B0aW9uYWwgcGVyLT4gYnVz IHNldHVwLAo+ID4gcmVhZGluZyBhbmQgcG9zc2libHkgd3JpdGluZyB0aGUgZGV2aWNl4oCZcyB2 aXJ0aW8gY29uZmlndXJhdGlvbiBzcGFjZSwgYW5kIHBvcHVsYXRpb24gb2YgdmlydHF1ZXVlcy4K PiA+IDguIFNldCB0aGUgRFJJVkVSX09LIHN0YXR1cyBiaXQuIEF0IHRoaXMgcG9pbnQgdGhlIGRl dmljZSBpcyDigJxsaXZl4oCdLgo+ID4gCj4gPiAKPiA+IFNvIGZlYXR1cmVzIGFyZSBjb25maXJt ZWQgYmVmb3JlIGZpbmQgdnFzLgo+ID4gCj4gPiBUaGUgcmVzdCBvZiBzdHVmZiBjYW4gcHJvYmFi bHkganVzdCBiZSBtb3ZlZCB0byBhZnRlciBmaW5kX3ZxcyB3aXRob3V0Cj4gPiBtdWNoIHBhaW4u Cj4gPiAKPiBBY3R1YWxseSwgSSB0aGluayB0aGF0IHdpdGggYSBsaXR0bGUgYml0IG9mIHBhaW4g OikKPiBJZiB3ZSB1c2Ugc21hbGwgdnJpbmdzIGFuZCBhIEdSTyBmZWF0dXJlIGJpdCBpcyBzZXQs IExpbnV4IHdpbGwgbmVlZCB0byBhbGxvY2F0ZSA2NEtCIG9mIGNvbnRpbnVvdXMgbWVtb3J5IGZv ciBldmVyeSByZWNlaXZlIGRlc2NyaXB0b3IuLgoKT2ggcmlnaHQuIEhtbS4gV2VsbCB0aGlzIGlz IHNhbWUgYXMgYmlnIHBhY2tldHMgdGhvdWdoLCBpc24ndCBpdD8KCgo+IEluc3RlYWQgb2YgZmFp bGluZyBwcm9iZSBpZiBHUk8vQ1ZRIGFyZSBzZXQsIGNhbiB3ZSBqdXN0IHJlc2V0IHRoZSBkZXZp Y2UgaWYgd2UgZGlzY292ZXIgc21hbGwgdnJpbmdzIGFuZCBzdGFydCBvdmVyPwo+IENhbiB3ZSBy ZW1lbWJlciB0aGF0IHRoaXMgZGV2aWNlIHVzZXMgc21hbGwgdnJpbmdzLCBhbmQgdGhlbiBqdXN0 IGF2b2lkIG5lZ290aWF0aW5nIHRoZSBmZWF0dXJlcyB0aGF0IHdlIGNhbm5vdCBzdXBwb3J0PwoK CldlIHRlY2huaWNhbGx5IGNhbiBvZiBjb3Vyc2UuIEkgYW0ganVzdCBub3Qgc3VyZSBzdXBwb3J0 aW5nIENWUSB3aXRoIGp1c3QgMSBzL2cgZW50cnkgd2lsbApldmVyIGJlIHZpYWJsZS4KCi0tIApN U1QKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClZpcnR1 YWxpemF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFsaXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0 aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5m by92aXJ0dWFsaXphdGlvbg==