RE: [RESEND PATCH 2/6] x86/traps: add a system interrupt table for system interrupt dispatch

[Li, Xin3]

> > Signed-off-by: H. Peter Anvin (Intel) <hpa@xxxxxxxxx>
> > Signed-off-by: Xin Li <xin3.li@xxxxxxxxx>
> 
> This is not a valid SOB, it would suggest hpa is the author, but he's not in in
> From.

HPA wrote the initial dispatch code for FRED, and I worked with him to
refactor it for KVM/VMX NMI/IRQ dispatch.  So use SOB from both.  No?

> > diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index
> > 178015a820f0..95dd917ef9ad 100644
> > --- a/arch/x86/kernel/traps.c
> > +++ b/arch/x86/kernel/traps.c
> > @@ -1444,6 +1444,61 @@ DEFINE_IDTENTRY_SW(iret_error)  }  #endif
> >
> > +#define SYSV(x,y) [(x) - FIRST_SYSTEM_VECTOR] =
> > +(system_interrupt_handler)y
> > +
> > +#pragma GCC diagnostic push
> > +#pragma GCC diagnostic ignored "-Wcast-function-type"
> 
> How does this not break CFI ?

I wasn't aware of it, will check.