On Thu, 2016-01-21 at 21:45 +0530, Vasant Hegde 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.
Thanks for the patch. I'll put it in my fixes branch for next week. Having said that, why the <expletive deleted> is librtas mapping /dev/mem in the first place? Unless there is a very good reason, and probably even if there is, we should fix that to use a sane API. cheers _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
