On Tue, Dec 08, 2015 at 06:01:48AM +0100, Ingo Molnar wrote: > Hm, so if Sparc has no notion of compat-ness of the system call then how does > it > implement runtime compat checks, such as AUDIT_ARCH et al?
Badly. Things like compat_sys_ioctl() vs. ioctl() work (we use different arrays of function pointers in 32bit and 64bit traps), but anything dynamic assumes that things match the task. Not that we had a lot of such dynamic checks, actually... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
