On Sat, 23 Jan 2021 13:43:52 +,
Catalin Marinas wrote:
>
> On Mon, Jan 18, 2021 at 09:45:24AM +, Marc Zyngier wrote:
> > +struct reg_desc {
> > + const char * const name;
> > + u64 * const val;
> > + u64 * const mask;
> > + struct {
> > +
On Mon, Jan 18, 2021 at 09:45:24AM +, Marc Zyngier wrote:
> +struct reg_desc {
> + const char * const name;
> + u64 * const val;
> + u64 * const mask;
> + struct {
> + const char * const name;
> + u8
On Mon, Jan 18, 2021 at 09:45:24AM +, Marc Zyngier wrote:
> diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
> index d74e5f84042e..b3c4dd04f74b 100644
> --- a/arch/arm64/kernel/head.S
> +++ b/arch/arm64/kernel/head.S
> @@ -435,6 +435,7 @@
In order to be able to override CPU features at boot time,
let's add a command line parser that matches options of the
form "cpureg.feature=value", and store the corresponding
value into the override val/mask pair.
No features are currently defined, so no expected change in
functionality.
On Mon, Jan 18, 2021 at 09:45:24AM +, Marc Zyngier wrote:
> In order to be able to override CPU features at boot time,
> let's add a command line parser that matches options of the
> form "cpureg.feature=value", and store the corresponding
> value into the override val/mask pair.
>
> No
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