Re: [patch V4 part 3 29/29] x86/entry/32: Convert IRET exception to IDTENTRY_SW

Andy Lutomirski
2020-05-14T04:54:29Z

On Tue, May 5, 2020 at 7:15 AM Thomas Gleixner <tglx@linutronix.de> wrote:
>
> From: Thomas Gleixner <tglx@linutronix.de>
>
> Convert the IRET exception handler to IDTENTRY_SW. This is slightly
> different than the conversions of hardware exceptions as the IRET exception
> is invoked via an exception table when IRET faults. So it just uses the
> IDTENTRY_SW mechanism for consistency. It does not emit ASM code as it does
> not fit the other idtentry exceptions.

Blech. I should redo the 32-bit code to handle this the way the
64-bit code does and this can all be deleted. But, for now:

Acked-by: Andy Lutomirski <luto@kernel.org>

However, maybe rename asm_exc_iret_error to avoid confusion? It's not
really an exception entry.