On Thu, Jul 01, 2010 at 01:32:47AM +0200, Rhialto wrote: > On Wed 30 Jun 2010 at 08:57:44 -0700, Chuck Silvers wrote: > > - the assembler apparently now uses a different opcode for reloading %gs > > than it used to, so the check for this instruction in INTRFASTEXIT > > being the cause of a kernel trap wasn't working. I fixed the check > > to match the current generated code. > > Would it not be necessary for compatibility with older binaries (how > much older??) to check for both cases?
there's no compatibility issue here, the kernel is looking at its own instructions, not an application's. we require that a kernel be built with the matching toolchain, so there's only one version of the assembler that would matter for a particular kernel binary. -Chuck
