Re: [patch V2 04/28] x86/speculation: Reorganize cpu_show_common()

From: Borislav Petkov
Date: Mon Nov 26 2018 - 10:08:21 EST


On Sun, Nov 25, 2018 at 07:33:32PM +0100, Thomas Gleixner wrote:
> The Spectre V2 printout in cpu_show_common() handles conditionals for the
> various mitigation methods directly in the sprintf() argument list. That's
> hard to read and will become unreadable if more complex decisions need to
> be made for a particular method.
>
> Move the conditionals for STIBP and IBPB string selection into helper
> functions, so they can be extended later on.
>
> Signed-off-by: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>
> ---
> arch/x86/kernel/cpu/bugs.c | 20 ++++++++++++++++++--
> 1 file changed, 18 insertions(+), 2 deletions(-)

Just a nitpick:

That subject should probably be more like:

"x86/speculation: Move cpu_show_common() string generation in separate functions"

or so, as it is not really reorganizing - just carving out functionality.

--
Regards/Gruss,
Boris.

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