>> +#if !(defined(__FreeBSD_kernel__) && defined(__x86_64__)) >> ioperm(0, 1024, 1); >> +#endif >> iopl(3); > > Does the code work with this change? I'd be suspicious...
In fact ioperm() is completely redundant here even on linux/i386. ioperm() permits access to SOME ports, but following iopl() permits access to ALL ports. See http://www.logix.cz/michal/doc/i386/chp08-03.htm: In protected mode, when it encounters an I/O instruction (IN, INS, OUT, or OUTS), the processor first checks whether CPL . IOPL. If this condition is true, the I/O operation may proceed. If not true, the processor checks the I/O permission map. Kfreebsd-amd64 does not have ioperm() interface exported by the kernel at all, the patch tries to be non intrusive for other architectures. Petr -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
