sub.

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sysenter cause a segmentation fault.

A simple code running on PIII 800,kernel 2.6.20 with SEP enabled causes a segmentation fault. The slice is as following. #include #include int main() { unsigned long ret=0; __asm__ __volatile__ ("movl %1,%%eax\n\tpushl %%ecx\n\t" "pushl %%edx\n\tpush %%ebp\n\t" "movl %%esp,%%eb