* Chris Wright <[EMAIL PROTECTED]> wrote: > * Ingo Molnar ([EMAIL PROTECTED]) wrote: > > thanks for tracking it down. I pulled that commit for now. But it would > > be nice to figure out what's going on there. > > Zach was right. The unification was broken for 32-bit; it was missing > the actual pushf/popf EFLAGS manipluation (set_iopl_mask()) and > would've broken task switching between processes w/ different iopl in > paravirt guests too. 64-bit sys_iopl just does pt_regs->flags > modification and lets syscall/sysret plus ptregscall sync and do > EFLAGS update. > > Also, use of volatile looks like leftover cruft. > > This patch in on top of Miguel's (can respin to standalone if that's > better). [...]
thanks, applied. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/