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7708e29818
The 'ufs_emulate_scsi_cmd' method has a 4k byte array used for copying data from the device. Skip the automatic zero-init of this array to eliminate the performance overhead in the I/O hot path. The 'outbuf' array will be fully initialized when data is copied from the guest. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Klaus Jensen <k.jensen@samsung.com> Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com> Message-id: 20250610123709.835102-30-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>