Quoting Janosch Frank (2024-02-01 15:23:56) [...] > diff --git a/lib/s390x/css.h b/lib/s390x/css.h > index 504b3f14..e4311124 100644 > --- a/lib/s390x/css.h > +++ b/lib/s390x/css.h [...] > @@ -167,11 +167,11 @@ static inline int msch(unsigned long schid, struct schib *addr) > int cc; > > asm volatile( > - " msch 0(%3)\n" > - " ipm %0\n" > - " srl %0,28" > - : "=d" (cc) > - : "d" (reg1), "m" (*addr), "a" (addr) > + " msch 0(%[addr])\n" > + " ipm %[cc]\n" > + " srl %[cc],28" > + : [cc] "=d" (cc) > + : "d" (reg1), [addr] "a" (addr) I think there was a reason why the "m"(*addr) was here. Either add it back or add a memory clobber. I will only take the first patch of this series for now.
