Re: [PATCH V5 7/7] x86/entry: Use idtentry macro for entry_INT80_compat

[Thomas Gleixner]

On Tue, Apr 12 2022 at 20:15, Lai Jiangshan wrote:
> From: Lai Jiangshan <jiangshan.ljs@xxxxxxxxxxxx>
>
> entry_INT80_compat is identical to idtentry macro except a special
> handling for %rax in the prolog.

Seriously?

> -	pushq	%rsi			/* pt_regs->si */
> -	xorl	%esi, %esi		/* nospec   si */

esi is not cleared in CLEAR_REGS. So much for identical.

Thanks,

        tglx