* Sandipan Das: > Hi Florian, > > On 08/05/20 11:31 pm, Florian Weimer wrote: >> * Sandipan Das: >> >>> The Power ISA mandates that all writes to the Authority >>> Mask Register (AMR) must always be preceded as well as >>> succeeded by a context-synchronizing instruction. This >>> applies to both the privileged and unprivileged variants >>> of the Move To AMR instruction. >> >> Ugh. Do you have a reference for that? >> >> We need to fix this in glibc. >> > > This is from Table 6 of Chapter 11 in page 1134 of Power > ISA 3.0B. The document can be found here: > https://ibm.ent.box.com/s/1hzcwkwf8rbju5h9iyf44wm94amnlcrv Thanks a lot! I filed: <https://sourceware.org/bugzilla/show_bug.cgi?id=25954> Florian