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Wed, 4 Nov 2020 15:21:20 +0000 (UTC) Received: from localhost (ovpn-115-145.ams2.redhat.com [10.36.115.145]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2DE865C3E1; Wed, 4 Nov 2020 15:21:14 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org, Peter Maydell Cc: kvm@vger.kernel.org, "Dr. David Alan Gilbert" , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eduardo Habkost , Markus Armbruster , Eric Blake , Fam Zheng , Stefan Hajnoczi , Keith Busch , Max Reitz , qemu-block@nongnu.org, Kevin Wolf , Coiby Xu , Paolo Bonzini , Klaus Jensen , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Eric Auger Subject: [PULL 25/33] block/nvme: Fix use of write-only doorbells page on Aarch64 arch Date: Wed, 4 Nov 2020 15:18:20 +0000 Message-Id: <20201104151828.405824-26-stefanha@redhat.com> In-Reply-To: <20201104151828.405824-1-stefanha@redhat.com> References: <20201104151828.405824-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org RnJvbTogUGhpbGlwcGUgTWF0aGlldS1EYXVkw6kgPHBoaWxtZEByZWRoYXQuY29tPgoKcWVtdV92 ZmlvX3BjaV9tYXBfYmFyKCkgY2FsbHMgbW1hcCgpLCBhbmQgbW1hcCgyKSBzdGF0ZXM6CgogICdv ZmZzZXQnIG11c3QgYmUgYSBtdWx0aXBsZSBvZiB0aGUgcGFnZSBzaXplIGFzIHJldHVybmVkCiAg IGJ5IHN5c2NvbmYoX1NDX1BBR0VfU0laRSkuCgpJbiBjb21taXQgZjY4NDUzMjM3Yjkgd2Ugc3Rh cnRlZCB0byB1c2UgYW4gb2Zmc2V0IG9mIDRLIHdoaWNoCmJyb2tlIHRoaXMgY29udHJhY3Qgb24g QWFyY2g2NCBhcmNoLgoKRml4IGJ5IG1hcHBpbmcgYXQgb2Zmc2V0IDAsIGFuZCBhbmQgYWNjZXNz aW5nIGRvb3JiZWxscyBhdCBvZmZzZXQ9NEsuCgpGaXhlczogZjY4NDUzMjM3YjkgKCJibG9jay9u dm1lOiBNYXAgZG9vcmJlbGxzIHBhZ2VzIHdyaXRlLW9ubHkiKQpSZXBvcnRlZC1ieTogRXJpYyBB dWdlciA8ZXJpYy5hdWdlckByZWRoYXQuY29tPgpSZXZpZXdlZC1ieTogRXJpYyBBdWdlciA8ZXJp Yy5hdWdlckByZWRoYXQuY29tPgpSZXZpZXdlZC1ieTogU3RlZmFuIEhham5vY3ppIDxzdGVmYW5o YUByZWRoYXQuY29tPgpUZXN0ZWQtYnk6IEVyaWMgQXVnZXIgPGVyaWMuYXVnZXJAcmVkaGF0LmNv bT4KU2lnbmVkLW9mZi1ieTogUGhpbGlwcGUgTWF0aGlldS1EYXVkw6kgPHBoaWxtZEByZWRoYXQu Y29tPgpNZXNzYWdlLWlkOiAyMDIwMTAyOTA5MzMwNi4xMDYzODc5LTI0LXBoaWxtZEByZWRoYXQu Y29tClNpZ25lZC1vZmYtYnk6IFN0ZWZhbiBIYWpub2N6aSA8c3RlZmFuaGFAcmVkaGF0LmNvbT4K VGVzdGVkLWJ5OiBFcmljIEF1Z2VyIDxlcmljLmF1Z2VyQHJlZGhhdC5jb20+Ci0tLQogYmxvY2sv bnZtZS5jIHwgMTEgKysrKysrKy0tLS0KIDEgZmlsZSBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKyks IDQgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvYmxvY2svbnZtZS5jIGIvYmxvY2svbnZtZS5j CmluZGV4IGYxZTJmZDM0Y2QuLmM4ZWY2OWNiYjIgMTAwNjQ0Ci0tLSBhL2Jsb2NrL252bWUuYwor KysgYi9ibG9jay9udm1lLmMKQEAgLTk0LDYgKzk0LDcgQEAgdHlwZWRlZiBzdHJ1Y3Qgewogc3Ry dWN0IEJEUlZOVk1lU3RhdGUgewogICAgIEFpb0NvbnRleHQgKmFpb19jb250ZXh0OwogICAgIFFF TVVWRklPU3RhdGUgKnZmaW87CisgICAgdm9pZCAqYmFyMF93b19tYXA7CiAgICAgLyogTWVtb3J5 IG1hcHBlZCByZWdpc3RlcnMgKi8KICAgICB2b2xhdGlsZSBzdHJ1Y3QgewogICAgICAgICB1aW50 MzJfdCBzcV90YWlsOwpAQCAtNzc3LDggKzc3OCwxMCBAQCBzdGF0aWMgaW50IG52bWVfaW5pdChC bG9ja0RyaXZlclN0YXRlICpicywgY29uc3QgY2hhciAqZGV2aWNlLCBpbnQgbmFtZXNwYWNlLAog ICAgICAgICB9CiAgICAgfQogCi0gICAgcy0+ZG9vcmJlbGxzID0gcWVtdV92ZmlvX3BjaV9tYXBf YmFyKHMtPnZmaW8sIDAsIHNpemVvZihOdm1lQmFyKSwKLSAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgTlZNRV9ET09SQkVMTF9TSVpFLCBQUk9UX1dSSVRFLCBlcnJwKTsK KyAgICBzLT5iYXIwX3dvX21hcCA9IHFlbXVfdmZpb19wY2lfbWFwX2JhcihzLT52ZmlvLCAwLCAw LAorICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHNpemVvZihOdm1l QmFyKSArIE5WTUVfRE9PUkJFTExfU0laRSwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICBQUk9UX1dSSVRFLCBlcnJwKTsKKyAgICBzLT5kb29yYmVsbHMgPSAodm9p ZCAqKSgodWludHB0cl90KXMtPmJhcjBfd29fbWFwICsgc2l6ZW9mKE52bWVCYXIpKTsKICAgICBp ZiAoIXMtPmRvb3JiZWxscykgewogICAgICAgICByZXQgPSAtRUlOVkFMOwogICAgICAgICBnb3Rv IG91dDsKQEAgLTkxMCw4ICs5MTMsOCBAQCBzdGF0aWMgdm9pZCBudm1lX2Nsb3NlKEJsb2NrRHJp dmVyU3RhdGUgKmJzKQogICAgICAgICAgICAgICAgICAgICAgICAgICAgJnMtPmlycV9ub3RpZmll cltNU0lYX1NIQVJFRF9JUlFfSURYXSwKICAgICAgICAgICAgICAgICAgICAgICAgICAgIGZhbHNl LCBOVUxMLCBOVUxMKTsKICAgICBldmVudF9ub3RpZmllcl9jbGVhbnVwKCZzLT5pcnFfbm90aWZp ZXJbTVNJWF9TSEFSRURfSVJRX0lEWF0pOwotICAgIHFlbXVfdmZpb19wY2lfdW5tYXBfYmFyKHMt PnZmaW8sIDAsICh2b2lkICopcy0+ZG9vcmJlbGxzLAotICAgICAgICAgICAgICAgICAgICAgICAg ICAgIHNpemVvZihOdm1lQmFyKSwgTlZNRV9ET09SQkVMTF9TSVpFKTsKKyAgICBxZW11X3ZmaW9f cGNpX3VubWFwX2JhcihzLT52ZmlvLCAwLCBzLT5iYXIwX3dvX21hcCwKKyAgICAgICAgICAgICAg ICAgICAgICAgICAgICAwLCBzaXplb2YoTnZtZUJhcikgKyBOVk1FX0RPT1JCRUxMX1NJWkUpOwog ICAgIHFlbXVfdmZpb19jbG9zZShzLT52ZmlvKTsKIAogICAgIGdfZnJlZShzLT5kZXZpY2UpOwot LSAKMi4yOC4wCgo=