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commit50b6cb3516upstream. After commitea2f0f7753("scsi: core: Cap scsi_host cmd_per_lun at can_queue"), a 416-CPU VM running on Hyper-V hangs during boot because the hv_storvsc driver sets scsi_driver.can_queue to an integer value that exceeds SHRT_MAX, and hence scsi_add_host_with_dma() sets shost->cmd_per_lun to a negative "short" value. Use min_t(int, ...) to work around the issue. Link: https://lore.kernel.org/r/20211008043546.6006-1-decui@microsoft.com Fixes:ea2f0f7753("scsi: core: Cap scsi_host cmd_per_lun at can_queue") Cc: stable@vger.kernel.org Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: John Garry <john.garry@huawei.com> Signed-off-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.