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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2020-09-22 10:38:17 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2020-10-05 09:35:52 +0100
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block/nvme: Map doorbells pages write-only
Per the datasheet sections 3.1.13/3.1.14: "The host should not read the doorbell registers." As we don't need read access, map the doorbells with write-only permission. We keep a reference to this mapped address in the BDRVNVMeState structure. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20200922083821.578519-3-philmd@redhat.com>
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