Re: [Part2 PATCH v6.1 16/38] crypto: ccp: Add Secure Encrypted Virtualization (SEV) command support

[Borislav Petkov]

On Mon, Oct 30, 2017 at 08:29:25PM -0500, Brijesh Singh wrote:
> Okay, Just tried static global with CONFIG_VMAP_STACK=y and I am getting
> wrong physical address with __pa. PSP command fails with error code
> "INVALID_ADDRESS". The same thing works fine with kmalloc() buffer.

Ah, right, module space is vmalloc-ed.

> To avoid repeated k*alloc calls, I could devm_kzalloc() these variableÂ
> during sev_init() and reuse them when needed.

Yap, something like that.

Thx.

-- 
Regards/Gruss,
    Boris.

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