Re: [PATCH v9 15/26] arm64: alternative: Apply alternatives early in boot process

[Marc Zyngier]

On Mon, 21 Jan 2019 15:33:34 +0000,
Julien Thierry <julien.thierry@xxxxxxx> wrote:
> 
> From: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
> 
> Currently alternatives are applied very late in the boot process (and
> a long time after we enable scheduling). Some alternative sequences,
> such as those that alter the way CPU context is stored, must be applied
> much earlier in the boot sequence.
> 
> Introduce apply_boot_alternatives() to allow some alternatives to be
> applied immediately after we detect the CPU features of the boot CPU.
> 
> Signed-off-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
> [julien.thierry@xxxxxxx: rename to fit new cpufeature framework better,
> 			 apply BOOT_SCOPE feature early in boot]
> Signed-off-by: Julien Thierry <julien.thierry@xxxxxxx>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Christoffer Dall <christoffer.dall@xxxxxxx>
> Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx>

Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx>

	M.

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