Re: [PATCH v3] xenbus: support large messages

2021-09-15 Thread Samuel Thibault
Re, Juergen Gross, le mer. 15 sept. 2021 16:08:15 +0200, a ecrit: > +while (off != len) > +{ > +wait_event(xb_waitq, xenstore_buf->rsp_prod != > xenstore_buf->rsp_cons); > + > +prod = xenstore_buf->rsp_prod; > +cons = xenstore_buf->rsp_cons; > +DEBUG("Rsp_c

[PATCH v3] xenbus: support large messages

2021-09-15 Thread Juergen Gross
Today the implementation of the xenbus protocol in Mini-OS will only allow to transfer the complete message to or from the ring page buffer. This is limiting the maximum message size to lower values as the xenbus protocol normally would allow. Change that by allowing to transfer the xenbus message