linux-kernel - Re: RDTSCP | IA32_TSC

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Message-ID: <Y4TCTE8SIn7Gsisv@duo.ucw.cz>
Date:   Mon, 28 Nov 2022 15:14:36 +0100
From:   Pavel Machek <pavel@....cz>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: RDTSCP | IA32_TSC_AUX on x86-32

On Wed 2022-11-23 11:23:36, Borislav Petkov wrote:
> On Wed, Nov 23, 2022 at 11:02:52AM +0100, Sebastian Andrzej Siewior wrote:
> > Do we have a schedule for the removal? I mean we talk about it for
> > years…
> 
> Hahah, nah, no schedule. I don't think the time has come yet - even if
> we want to. I was mostly joking. :-)

Given that Pentium-class machines are last x86s without serious
security holes, I'd keep 32-bit support for a while :-).

							Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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