[PATCH v2 20/25] x86: mtrr: Add support for writing to MTRRs on any CPU

Wolfgang Wallner wolfgang.wallner at br-automation.com
Tue Jun 16 13:30:51 CEST 2020


Hi Simon,

-----"Simon Glass" <sjg at chromium.org> schrieb: -----
> Betreff: [PATCH v2 20/25] x86: mtrr: Add support for writing to MTRRs on any CPU
> 
> To enable support for the 'mtrr' command, add a way to perform MTRR
> operations on selected CPUs.
> 
> This works by setting up a little 'operation' structure and sending it
> around the CPUs for action.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
> 
> Changes in v2:
> - Keep things building by temporarily renaming the function in cmd/
> 
>  arch/x86/cpu/mtrr.c         | 81 +++++++++++++++++++++++++++++++++++++
>  arch/x86/include/asm/mtrr.h | 21 ++++++++++
>  cmd/x86/mtrr.c              |  6 +--
>  3 files changed, 105 insertions(+), 3 deletions(-)

Reviewed-by: Wolfgang Wallner <wolfgang.wallner at br-automation.com>



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