Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH V5 7/7] x86/entry: Use idtentry macro for entry_INT80_compat | Date | Mon, 25 Apr 2022 12:24:57 +0200 |
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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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