Hi Christophe,
Couple of comments about file.c, the rest of the patch looks ok to me.
@@ -193,6 +194,7 @@ static long afu_ioctl_start_work(struct cxl_context *ctx,
amr = work.amr & mfspr(SPRN_UAMOR);
ctx->mmio_err_ff = !!(work.flags & CXL_START_WORK_ERR_FF);
+
The POWER9 core supports a new feature: ASB_Notify which requires the
support of the Special Purpose Register: TIDR.
The ASB_Notify command, generated by the AFU, will attempt to
wake-up the host thread identified by the particular LPID:PID:TID.
This patch assign a unique TIDR (thread id) for
