RE: [PATCH] selftests/x86: Support Atom for syscall_arg_fault test

mmon Core processors. Thanks, Bo -Original Message- From: Andy Lutomirski [mailto:l...@kernel.org] Sent: Friday, March 8, 2019 2:10 AM To: Tong, Bo Cc: Shuah Khan ; Andrew Lutomirski ; open list:KERNEL SELFTEST FRAMEWORK ; LKML Subject: Re: [PATCH] selftests/x86: Support Atom for syscall_arg

Re: [PATCH] selftests/x86: Support Atom for syscall_arg_fault test

On Thu, Mar 7, 2019 at 12:22 AM Tong Bo wrote: > > Atom-based CPUs trigger stack fault when invoke 32-bit SYSENTER instruction > with invalid register values. So we also need sigbus handling in this case. > > Following is assembly when the fault expception happens. > > (gdb) disassemble $eip >