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Tsirkin" , Stefan Hajnoczi Subject: [PATCH 1/3] virtio: add virtioqueue_more_used() Date: Thu, 20 May 2021 15:13:03 +0100 Message-Id: <20210520141305.355961-2-stefanha@redhat.com> In-Reply-To: <20210520141305.355961-1-stefanha@redhat.com> References: <20210520141305.355961-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: base64 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org QWRkIGFuIEFQSSB0byBjaGVjayB3aGV0aGVyIHRoZXJlIGFyZSBwZW5kaW5nIHVzZWQgYnVmZmVy cy4gVGhlcmUgaXMKYWxyZWFkeSBhIHNpbWlsYXIgQVBJIGNhbGxlZCB2aXJ0cXVldWVfcG9sbCgp IGJ1dCBpdCBvbmx5IHdvcmtzIHRvZ2V0aGVyCndpdGggdmlydHF1ZXVlX2VuYWJsZV9jYl9wcmVw YXJlKCkuIFRoZSBwYXRjaGVzIHRoYXQgZm9sbG93IGFkZCBibGstbXEKLT5wb2xsKCkgc3VwcG9y dCB0byB2aXJ0aW9fYmxrIGFuZCB0aGV5IG5lZWQgdG8gY2hlY2sgZm9yIHVzZWQgYnVmZmVycwp3 aXRob3V0IHJlLWVuYWJsaW5nIHZpcnRxdWV1ZSBjYWxsYmFja3MsIHNvIGludHJvZHVjZSBhbiBB UEkgZm9yIGl0LgoKU2lnbmVkLW9mZi1ieTogU3RlZmFuIEhham5vY3ppIDxzdGVmYW5oYUByZWRo YXQuY29tPgotLS0KIGluY2x1ZGUvbGludXgvdmlydGlvLmggICAgICAgfCAgMiArKwogZHJpdmVy cy92aXJ0aW8vdmlydGlvX3JpbmcuYyB8IDE3ICsrKysrKysrKysrKysrKysrCiAyIGZpbGVzIGNo YW5nZWQsIDE5IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L3ZpcnRp by5oIGIvaW5jbHVkZS9saW51eC92aXJ0aW8uaAppbmRleCBiMTg5NGUwMzIzZmEuLmM2YWQwZjI1 ZjQxMiAxMDA2NDQKLS0tIGEvaW5jbHVkZS9saW51eC92aXJ0aW8uaAorKysgYi9pbmNsdWRlL2xp bnV4L3ZpcnRpby5oCkBAIC02Myw2ICs2Myw4IEBAIGJvb2wgdmlydHF1ZXVlX2tpY2tfcHJlcGFy ZShzdHJ1Y3QgdmlydHF1ZXVlICp2cSk7CiAKIGJvb2wgdmlydHF1ZXVlX25vdGlmeShzdHJ1Y3Qg dmlydHF1ZXVlICp2cSk7CiAKK2Jvb2wgdmlydHF1ZXVlX21vcmVfdXNlZChjb25zdCBzdHJ1Y3Qg dmlydHF1ZXVlICp2cSk7CisKIHZvaWQgKnZpcnRxdWV1ZV9nZXRfYnVmKHN0cnVjdCB2aXJ0cXVl dWUgKnZxLCB1bnNpZ25lZCBpbnQgKmxlbik7CiAKIHZvaWQgKnZpcnRxdWV1ZV9nZXRfYnVmX2N0 eChzdHJ1Y3QgdmlydHF1ZXVlICp2cSwgdW5zaWduZWQgaW50ICpsZW4sCmRpZmYgLS1naXQgYS9k cml2ZXJzL3ZpcnRpby92aXJ0aW9fcmluZy5jIGIvZHJpdmVycy92aXJ0aW8vdmlydGlvX3Jpbmcu YwppbmRleCA3MWUxNmI1M2U5YzEuLjdjM2RhNzVkYTQ2MiAxMDA2NDQKLS0tIGEvZHJpdmVycy92 aXJ0aW8vdmlydGlvX3JpbmcuYworKysgYi9kcml2ZXJzL3ZpcnRpby92aXJ0aW9fcmluZy5jCkBA IC0yMDMyLDYgKzIwMzIsMjMgQEAgc3RhdGljIGlubGluZSBib29sIG1vcmVfdXNlZChjb25zdCBz dHJ1Y3QgdnJpbmdfdmlydHF1ZXVlICp2cSkKIAlyZXR1cm4gdnEtPnBhY2tlZF9yaW5nID8gbW9y ZV91c2VkX3BhY2tlZCh2cSkgOiBtb3JlX3VzZWRfc3BsaXQodnEpOwogfQogCisvKioKKyAqIHZp cnRxdWV1ZV9tb3JlX3VzZWQgLSBjaGVjayBpZiB0aGVyZSBhcmUgdXNlZCBidWZmZXJzIHBlbmRp bmcKKyAqIEBfdnE6IHRoZSBzdHJ1Y3QgdmlydHF1ZXVlIHdlJ3JlIHRhbGtpbmcgYWJvdXQuCisg KgorICogUmV0dXJucyB0cnVlIGlmIHRoZXJlIGFyZSB1c2VkIGJ1ZmZlcnMsIGZhbHNlIG90aGVy d2lzZS4gTWF5IGJlIGNhbGxlZCBhdAorICogdGhlIHNhbWUgdGltZSBhcyBvdGhlciB2aXJ0cXVl dWUgb3BlcmF0aW9ucywgYnV0IGFjdHVhbGx5IGNhbGxpbmcKKyAqIHZpcnRxdWV1ZV9nZXRfYnVm KCkgcmVxdWlyZXMgc2VyaWFsaXphdGlvbiBzbyBiZSBtaW5kZnVsIG9mIHRoZSByYWNlIGJldHdl ZW4KKyAqIGNhbGxpbmcgdmlydHF1ZXVlX21vcmVfdXNlZCgpIGFuZCB2aXJ0cXVldWVfZ2V0X2J1 ZigpLgorICovCitib29sIHZpcnRxdWV1ZV9tb3JlX3VzZWQoY29uc3Qgc3RydWN0IHZpcnRxdWV1 ZSAqX3ZxKQoreworCXN0cnVjdCB2cmluZ192aXJ0cXVldWUgKnZxID0gdG9fdnZxKF92cSk7CisK KwlyZXR1cm4gbW9yZV91c2VkKHZxKTsKK30KK0VYUE9SVF9TWU1CT0xfR1BMKHZpcnRxdWV1ZV9t b3JlX3VzZWQpOworCiBpcnFyZXR1cm5fdCB2cmluZ19pbnRlcnJ1cHQoaW50IGlycSwgdm9pZCAq X3ZxKQogewogCXN0cnVjdCB2cmluZ192aXJ0cXVldWUgKnZxID0gdG9fdnZxKF92cSk7Ci0tIAoy LjMxLjEKCg==