Re: [PATCH v4 3/7] x86/fsgsbase/64: Use FS/GS base helpers in core dump

[Thomas Gleixner]

On Wed, 20 Jun 2018, Chang S. Bae wrote:

> When new FSGSBASE instructions enabled, this read will
> become faster.

The point is that it replaces the open coded access, which prevents using
the enhanced FSGSBASE mechanism.

Please be more careful with your changelog wordings. They really should
explain stuff proper.

> Based-on-code-from: Andy Lutomirski <luto@xxxxxxxxxx>
> Signed-off-by: Chang S. Bae <chang.seok.bae@xxxxxxxxx>
> Reviewed-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> Cc: H. Peter Anvin <hpa@xxxxxxxxx>
> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Reviewed-by: Andy Lutomirski <luto@xxxxxxxxxx>

Other than that:

      Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>