On Thu, Jan 21, 2016 at 8:15 AM, Vasant Hegde <hegdevas...@linux.vnet.ibm.com> wrote: > With commit 90a545e9 (restrict /dev/mem to idle io memory ranges) mapping > rtas_rmo_buf from user space is failing. Hence we are not able to make > RTAS syscall. > > This patch calls page_is_rtas_user_buf before calling iomem_is_exclusive > in devmem_is_allowed(). This will allow user space to map rtas_rmo_buf > and we are able to make RTAS syscall. > > Reported-by: Bharata B Rao <bhar...@linux.vnet.ibm.com> > CC: Dan Williams <dan.j.willi...@intel.com>
Acked-by: Dan Williams <dan.j.willi...@intel.com> _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev