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Tsirkin" To: Jason Wang Subject: Re: [PATCH net-next v4 2/2] virtio-net: add cond_resched() to the command waiting loop Message-ID: <20230810153744-mutt-send-email-mst@kernel.org> References: <20230725033506-mutt-send-email-mst@kernel.org> <20230726073453-mutt-send-email-mst@kernel.org> <20230727020930-mutt-send-email-mst@kernel.org> <20230727054300-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: xuanzhuo@linux.alibaba.com, edumazet@google.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Maxime Coquelin , 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" T24gVHVlLCBBdWcgMDgsIDIwMjMgYXQgMTA6MzA6NTZBTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiBPbiBNb24sIEp1bCAzMSwgMjAyMyBhdCAyOjMw4oCvUE0gSmFzb24gV2FuZyA8amFzb3dh bmdAcmVkaGF0LmNvbT4gd3JvdGU6Cj4gPgo+ID4gT24gVGh1LCBKdWwgMjcsIDIwMjMgYXQgNTo0 NuKAr1BNIE1pY2hhZWwgUy4gVHNpcmtpbiA8bXN0QHJlZGhhdC5jb20+IHdyb3RlOgo+ID4gPgo+ ID4gPiBPbiBUaHUsIEp1bCAyNywgMjAyMyBhdCAwNDo1OTozM1BNICswODAwLCBKYXNvbiBXYW5n IHdyb3RlOgo+ID4gPiA+ID4gVGhleSByZWFsbHkgc2hvdWxkbid0IC0gYW55IE5JQyB0aGF0IHRh a2VzIGZvcmV2ZXIgdG8KPiA+ID4gPiA+IHByb2dyYW0gd2lsbCBjcmVhdGUgaXNzdWVzIGluIHRo ZSBuZXR3b3JraW5nIHN0YWNrLgo+ID4gPiA+Cj4gPiA+ID4gVW5mb3J0dW5hdGVseSwgaXQncyBu b3QgcmFyZSBhcyB0aGUgZGV2aWNlL2N2cSBjb3VsZCBiZSBpbXBsZW1lbnRlZAo+ID4gPiA+IHZp YSBmaXJtd2FyZSBvciBzb2Z0d2FyZS4KPiA+ID4KPiA+ID4gQ3VycmVudGx5IHRoYXQgbWVhbiBv bmUgZWl0aGVyIGhhcyBzYW5lIGZpcm13YXJlIHdpdGggYSBzY2hlZHVsZXIgdGhhdAo+ID4gPiBj YW4gbWVldCBkZWFkbGluZXMsIG9yIGxvc2VzIGFiaWxpdHkgdG8gcmVwb3J0IGVycm9ycyBiYWNr Lgo+ID4gPgo+ID4gPiA+ID4gQnV0IGlmIHRoZXkgZG8gdGhleSBjYW4gYWx3YXlzIHNldCB0aGlz IGZsYWcgdG9vLgo+ID4gPiA+Cj4gPiA+ID4gVGhpcyBtYXkgaGF2ZSBmYWxzZSBuZWdhdGl2ZXMg YW5kIG1heSBjb25mdXNlIHRoZSBtYW5hZ2VtZW50Lgo+ID4gPiA+Cj4gPiA+ID4gTWF5YmUgd2Ug Y2FuIGV4dGVuZCB0aGUgbmV0d29ya2luZyBjb3JlIHRvIGFsbG93IHNvbWUgZGV2aWNlIHNwZWNp ZmljCj4gPiA+ID4gY29uZmlndXJhdGlvbnMgdG8gYmUgZG9uZSB3aXRoIGRldmljZSBzcGVjaWZp YyBsb2NrIHdpdGhvdXQgcnRubC4gRm9yCj4gPiA+ID4gZXhhbXBsZSwgc3BsaXQgdGhlIHNldF9j aGFubmVscyB0bwo+ID4gPiA+Cj4gPiA+ID4gcHJlX3NldF9jaGFubmVscwo+ID4gPiA+IHNldF9j aGFubmVscwo+ID4gPiA+IHBvc3Rfc2V0X2NoYW5uZWxzCj4gPiA+ID4KPiA+ID4gPiBUaGUgZGV2 aWNlIHNwZWNpZmljIHBhcnQgY291bGQgYmUgZG9uZSBpbiBwcmUgYW5kIHBvc3Qgd2l0aG91dCBh IHJ0bmwgbG9jaz8KPiA+ID4gPgo+ID4gPiA+IFRoYW5rcwo+ID4gPgo+ID4gPgo+ID4gPiBXb3Vs ZCB0aGUgYmVuZWZpdCBiZSB0aGF0IGVycm9ycyBjYW4gYmUgcmVwb3J0ZWQgdG8gdXNlcnNwYWNl IHRoZW4/Cj4gPiA+IFRoZW4gbWF5YmUuICBJIHRoaW5rIHlvdSB3aWxsIGhhdmUgdG8gc2hvdyBo b3cgdGhpcyB3b3JrcyBmb3IgYXQgbGVhc3QKPiA+ID4gb25lIGNhcmQgYmVzaWRlcyB2aXJ0aW8u Cj4gPgo+ID4gRXZlbiBmb3IgdmlydGlvLCB0aGlzIHNlZW1zIG5vdCBlYXN5LCBhcyBlLmcgdGhl Cj4gPiB2aXJ0bmV0X3NlbmRfY29tbWFuZCgpIGFuZCBuZXRpZl9zZXRfcmVhbF9udW1fdHhfcXVl dWVzKCkgbmVlZCB0bwo+ID4gYXBwZWFyIHRvIGJlIGF0b21pYyB0byB0aGUgbmV0d29ya2luZyBj b3JlLgo+ID4KPiA+IEkgd29uZGVyIGlmIHdlIGNhbiByZS1jb25zaWRlciB0aGUgd2F5IG9mIGEg dGltZW91dCBoZXJlIGFuZCBjaG9vc2UgYQo+ID4gc2FuZSB2YWx1ZSBhcyBhIHN0YXJ0Lgo+IAo+ IE1pY2hhZWwsIGFueSBtb3JlIGlucHV0IG9uIHRoaXM/Cj4gCj4gVGhhbmtzCgpJIHRoaW5rIHRo aXMgaXMganVzdCBtaXNzaW9uIGNyZWVwLiBXZSBhcmUgdHJ5aW5nIHRvIGZpeAp2ZHVzZSAtIGxl dCdzIGRvIHRoYXQgZm9yIHN0YXJ0ZXJzLgoKUmVjb3ZlcmluZyBmcm9tIGZpcm13YXJlIHRpbWVv dXRzIGlzIGZhciBmcm9tIHRyaXZpYWwgYW5kCmp1c3QgYXNzdW1pbmcgdGhhdCBqdXN0IGJlY2F1 c2UgaXQgdGltZWQgb3V0IGl0IHdpbGwgbm90CmFjY2VzcyBtZW1vcnkgaXMganVzdCBhcyBsaWtl bHkgdG8gY2F1c2UgbWVtb3J5IGNvcnJ1cHRpb24Kd2l0aCB3b3JzZSByZXN1bHRzIHRoYW4gYW4g aW5maW5pdGUgc3Bpbi4KCkkgcHJvcG9zZSB3ZSBmaXggdGhpcyBmb3IgdmR1c2UgYW5kIGFzc3Vt ZSBoYXJkd2FyZS9maXJtd2FyZQppcyB3ZWxsIGJlaGF2ZWQuIE9yIG1heWJlIG5vdCB3ZWxsIGJl aGF2ZWQgZmlybXdhcmUgd2lsbApzZXQgdGhlIGZsYWcgbG9zaW5nIGVycm9yIHJlcG9ydGluZyBh YmlsaXR5LgoKCgo+ID4KPiA+IFRoYW5rcwo+ID4KPiA+ID4KPiA+ID4KPiA+ID4gLS0KPiA+ID4g TVNUCj4gPiA+CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpWaXJ0dWFsaXphdGlvbiBtYWlsaW5nIGxpc3QKVmlydHVhbGl6YXRpb25AbGlzdHMubGludXgt Zm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4v bGlzdGluZm8vdmlydHVhbGl6YXRpb24=