linux-kernel - Re: [PATCH 5.10 119/199] x86/mmx: Use KFPU

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Message-ID: <YA/SVYUj53QZPkWd@kroah.com>
Date:   Tue, 26 Jan 2021 09:27:01 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Krzysztof Olędzki <ole@....pl>
Cc:     linux-kernel@...r.kernel.org, Andy Lutomirski <luto@...nel.org>,
        stable@...r.kernel.org, Krzysztof Mazur <krzysiek@...lesie.net>,
        Borislav Petkov <bp@...e.de>
Subject: Re: [PATCH 5.10 119/199] x86/mmx: Use KFPU_387 for MMX string
 operations

On Mon, Jan 25, 2021 at 07:24:56PM -0800, Krzysztof Olędzki wrote:
> Hi,
> 
> I think for both 5.4-stable and 5.10-stable we also need https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e45122893a9870813f9bd7b4add4f613e6f29008
> - "x86/fpu: Add kernel_fpu_begin_mask() to selectively initialize state"
> 
> Without this, there is no kernel_fpu_begin_mask().

Thank you, I have now added this to both trees.

greg k-h