On Sat, Feb 02, 2008 at 05:08:31PM -0500, Kumba wrote: > > Thomas Bogendoerfer wrote: >> no suprise here. As Ralf already noted cache barrier is a restricted >> instruction, it will always cause a illegal instruction when used >> in user space. Nevertheless it looks like all IP28 are affected >> by the simple exploit. Flo built glibc 2.7 with LLSC war workaround >> and this avoids triggering the hang. > > Ah, didn't know the 'cache' instructions was kernel-mode only. Explains > why it survived then :) > > How does one enable the LLSC war workaround in glibc? By modifying the code ;-) Ralf
