Hi James, Please consider to apply these patches to your tree. The only difference between v3 and v4 is adding Acked-by from Douglas and Martin. This patch set includes bug fixes which I hit when I was tried testing the data integrity support in scsi_debug on x86_32. And it also includes cleanups which helps increasing readability and further bug fixing in data integrity support. * Changes from v3 - Add Acked-by lines * Changes from v2 - Add new bug fix patch for UNMAP command support - Change the way to fix for the patch "fix invalid address passed to kunmap_atomic()" - Reduce more lines of code for the patch "reduce duplication between prot_verify_read and prot_verify_writ" * Changes from v1 - Split the patch "fix data integrity support on highmem machine" into two separate patches. - Add new cleanup patch "reduce duplication between prot_verify_read and prot_verify_write". Cc: "James E.J. Bottomley" <JBottomley@xxxxxxxxxxxxx> Cc: Douglas Gilbert <dgilbert@xxxxxxxxxxxx> Cc: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx> Cc: linux-scsi@xxxxxxxxxxxxxxx Akinobu Mita (6): scsi_debug: fix invalid address passed to kunmap_atomic() scsi_debug: fix incorrectly nested kmap_atomic() scsi_debug: fix NULL pointer dereference with parameters dif=0 dix=1 scsi_debug: invalidate protection info for unmapped region scsi_debug: simplify offset calculation for dif_storep scsi_debug: reduce duplication between prot_verify_read and prot_verify_write drivers/scsi/scsi_debug.c | 176 +++++++++++++++++++--------------------------- 1 file changed, 72 insertions(+), 104 deletions(-) -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html