Am Donnerstag, 26. Juni 2008 schrieb Anthony Liguori: > Marcelo Tosatti wrote: > > Some pvmmu functions store their commands on stack, and newer GCC > > versions conclude that these commands are unused. > > > > So stick an inline asm statement to convince the compiler otherwise. > > > > I think a better fix is to add a "memory " clobber to the hypercalls. > This isn't really a GCC bug since it doesn't realize that hypercalls can > touch memory.
Thats what we do on asm-s390/kvm_para.h. Our hypercalls do have a memory clobber. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
