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SubjectRe: [PATCH V5 7/7] x86/entry: Use idtentry macro for entry_INT80_compat
Date
On Tue, Apr 12 2022 at 20:15, Lai Jiangshan wrote:
> From: Lai Jiangshan <jiangshan.ljs@antgroup.com>
>
> 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


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