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    SubjectRE: [PATCH 2/3] scsi: storvsc: Resolve data race in storvsc_probe()
    Date
    From: Andrea Parri (Microsoft) <parri.andrea@gmail.com> Sent: Thursday, December 17, 2020 12:33 PM
    >
    > vmscsi_size_delta can be written concurrently by multiple instances of
    > storvsc_probe(), corresponding to multiple synthetic IDE/SCSI devices;
    > cf. storvsc_drv's probe_type == PROBE_PREFER_ASYNCHRONOUS. Change the
    > global variable vmscsi_size_delta to per-synthetic-IDE/SCSI-device.
    >
    > Suggested-by: Dexuan Cui <decui@microsoft.com>
    > Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
    > Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
    > Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
    > Cc: linux-scsi@vger.kernel.org
    > ---
    > drivers/scsi/storvsc_drv.c | 45 +++++++++++++++++++++-----------------
    > 1 file changed, 25 insertions(+), 20 deletions(-)
    >

    Reviewed-by: Michael Kelley <mikelley@microsoft.com>

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