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Wed, 24 Jun 2020 10:02:40 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 06/12] block/nvme: poll queues without q->lock Date: Wed, 24 Jun 2020 11:02:04 +0100 Message-Id: <20200624100210.59975-7-stefanha@redhat.com> In-Reply-To: <20200624100210.59975-1-stefanha@redhat.com> References: <20200624100210.59975-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: base64 Received-SPF: pass client-ip=207.211.31.120; envelope-from=stefanha@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 02:33:25 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MIME_BASE64_TEXT=1.741, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , Sergio Lopez , Eduardo Habkost , qemu-block@nongnu.org, Max Reitz , Stefan Hajnoczi , Cleber Rosa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" QSBsb3Qgb2YgQ1BVIHRpbWUgaXMgc3BlbnQgc2ltcGx5IGxvY2tpbmcvdW5sb2NraW5nIHEtPmxv Y2sgZHVyaW5nCnBvbGxpbmcuIENoZWNrIGZvciBjb21wbGV0aW9uIG91dHNpZGUgdGhlIGxvY2sg dG8gbWFrZSBxLT5sb2NrIGRpc2FwcGVhcgpmcm9tIHRoZSBwcm9maWxlLgoKU2lnbmVkLW9mZi1i eTogU3RlZmFuIEhham5vY3ppIDxzdGVmYW5oYUByZWRoYXQuY29tPgpSZXZpZXdlZC1ieTogU2Vy Z2lvIExvcGV6IDxzbHBAcmVkaGF0LmNvbT4KTWVzc2FnZS1pZDogMjAyMDA2MTcxMzIyMDEuMTgz MjE1Mi0yLXN0ZWZhbmhhQHJlZGhhdC5jb20KU2lnbmVkLW9mZi1ieTogU3RlZmFuIEhham5vY3pp IDxzdGVmYW5oYUByZWRoYXQuY29tPgotLS0KIGJsb2NrL252bWUuYyB8IDEyICsrKysrKysrKysr KwogMSBmaWxlIGNoYW5nZWQsIDEyIGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9ibG9jay9u dm1lLmMgYi9ibG9jay9udm1lLmMKaW5kZXggZWIyZjU0ZGQ5ZC4uZTQzNzVlYzI0NSAxMDA2NDQK LS0tIGEvYmxvY2svbnZtZS5jCisrKyBiL2Jsb2NrL252bWUuYwpAQCAtNTEyLDYgKzUxMiwxOCBA QCBzdGF0aWMgYm9vbCBudm1lX3BvbGxfcXVldWVzKEJEUlZOVk1lU3RhdGUgKnMpCiAKICAgICBm b3IgKGkgPSAwOyBpIDwgcy0+bnJfcXVldWVzOyBpKyspIHsKICAgICAgICAgTlZNZVF1ZXVlUGFp ciAqcSA9IHMtPnF1ZXVlc1tpXTsKKyAgICAgICAgY29uc3Qgc2l6ZV90IGNxZV9vZmZzZXQgPSBx LT5jcS5oZWFkICogTlZNRV9DUV9FTlRSWV9CWVRFUzsKKyAgICAgICAgTnZtZUNxZSAqY3FlID0g KE52bWVDcWUgKikmcS0+Y3EucXVldWVbY3FlX29mZnNldF07CisKKyAgICAgICAgLyoKKyAgICAg ICAgICogRG8gYW4gZWFybHkgY2hlY2sgZm9yIGNvbXBsZXRpb25zLiBxLT5sb2NrIGlzbid0IG5l ZWRlZCBiZWNhdXNlCisgICAgICAgICAqIG52bWVfcHJvY2Vzc19jb21wbGV0aW9uKCkgb25seSBy dW5zIGluIHRoZSBldmVudCBsb29wIHRocmVhZCBhbmQKKyAgICAgICAgICogY2Fubm90IHJhY2Ug d2l0aCBpdHNlbGYuCisgICAgICAgICAqLworICAgICAgICBpZiAoKGxlMTZfdG9fY3B1KGNxZS0+ c3RhdHVzKSAmIDB4MSkgPT0gcS0+Y3FfcGhhc2UpIHsKKyAgICAgICAgICAgIGNvbnRpbnVlOwor ICAgICAgICB9CisKICAgICAgICAgcWVtdV9tdXRleF9sb2NrKCZxLT5sb2NrKTsKICAgICAgICAg d2hpbGUgKG52bWVfcHJvY2Vzc19jb21wbGV0aW9uKHMsIHEpKSB7CiAgICAgICAgICAgICAvKiBL ZWVwIHBvbGxpbmcgKi8KLS0gCjIuMjYuMgoK