[RFC 14/30] x86/entry/64/compat: Remove most of the fast system call machinery

We now have only one code path that calls through the compat syscall table. This will make it much more pleasant to change the pt_regs vs register calling convention, which we need to do to move the call into C. Signed-off-by: Andy Lutomirski --- arch/x86/entry/entry_64_compat.S | 246

[RFC 14/30] x86/entry/64/compat: Remove most of the fast system call machinery

We now have only one code path that calls through the compat syscall table. This will make it much more pleasant to change the pt_regs vs register calling convention, which we need to do to move the call into C. Signed-off-by: Andy Lutomirski ---