Re: [PATCH v8 1/7] x86/vmware: Move common macros to vmware.h

From: Borislav Petkov
Date: Wed Apr 24 2024 - 12:16:29 EST


On Mon, Apr 22, 2024 at 03:56:50PM -0700, Alexey Makhalov wrote:
> Move VMware hypercall macros to vmware.h. This is a prerequisite for
> the introduction of vmware_hypercall API. No functional changes besides
> exporting vmware_hypercall_mode symbol.

Well, I see more.

So code movement patches should be done this way:

* first patch: sole code movement, no changes whatsoever

* follow-on patches: add changes and explain them

Because... (follow me down)...

> @@ -476,8 +431,8 @@ static bool __init vmware_legacy_x2apic_available(void)
> {
> uint32_t eax, ebx, ecx, edx;
> VMWARE_CMD(GETVCPU_INFO, eax, ebx, ecx, edx);
> - return !(eax & BIT(VMWARE_CMD_VCPU_RESERVED)) &&
> - (eax & BIT(VMWARE_CMD_LEGACY_X2APIC));
> + return !(eax & BIT(VCPU_RESERVED)) &&
> + (eax & BIT(VCPU_LEGACY_X2APIC));

.. what is that change for?

Those bit definitions are clearly vmware-specific. So why are you
changing them to something generic-ish?

In any case, this patch needs to be split as outlined above.

Thx.

--
Regards/Gruss,
Boris.

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