linux-kernel - Re: [PATCH v5 07/39] x86: Add user control-protection fault handler

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Message-ID: <Y941hjKMMUA+KB0p@zn.tnic>
Date:   Sat, 4 Feb 2023 11:37:58 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
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Subject: Re: [PATCH v5 07/39] x86: Add user control-protection fault handler

On Fri, Feb 03, 2023 at 11:01:42PM +0000, Edgecombe, Rick P wrote:
> Since this path is only for exceptions coming from userspace, I think
> it should be valid either way. It can't be during a task switch.
> I can swap the lines if it looks odd, but unless I'm wrong about the
> 'current' validity I think it's negligibly better as is because it is
> preemptible for as long as possible.

Nah, all good. I was confused here. Sorry for the noise.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette