diff options
Diffstat (limited to 'drivers/dma/idxd/sysfs.c')
| -rw-r--r-- | drivers/dma/idxd/sysfs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c index 6af493f6ba77..9f0701021af0 100644 --- a/drivers/dma/idxd/sysfs.c +++ b/drivers/dma/idxd/sysfs.c @@ -1208,9 +1208,11 @@ static ssize_t op_cap_show_common(struct device *dev, char *buf, unsigned long * /* On systems where direct user submissions are not safe, we need to clear out * the BATCH capability from the capability mask in sysfs since we cannot support - * that command on such systems. + * that command on such systems. Narrow the restriction of operations with the + * BATCH opcode to only DSA version 1 devices. */ - if (i == DSA_OPCODE_BATCH/64 && !confdev_to_idxd(dev)->user_submission_safe) + if (i == DSA_OPCODE_BATCH/64 && !confdev_to_idxd(dev)->user_submission_safe && + confdev_to_idxd(dev)->hw.version == DEVICE_VERSION_1) clear_bit(DSA_OPCODE_BATCH % 64, &val); pos += sysfs_emit_at(buf, pos, "%*pb", 64, &val); |