Re: [PATCH v3 02/17] x86/apic: Initialize Secure AVIC APIC backing page

[Neeraj Upadhyay]

On 4/3/2025 5:07 PM, Thomas Gleixner wrote:
> On Tue, Apr 01 2025 at 17:06, Neeraj Upadhyay wrote:
>> +enum es_result savic_register_gpa(u64 gpa)
>> +{
>> +	struct ghcb_state state;
>> +	struct es_em_ctxt ctxt;
>> +	unsigned long flags;
>> +	enum es_result res;
>> +	struct ghcb *ghcb;
>> +
>> +	local_irq_save(flags);
> 
>         guard(irqsave)();
> 

Ok

>> +	ghcb = __sev_get_ghcb(&state);
>> +
>> +	vc_ghcb_invalidate(ghcb);
>> +
>> +	/* Register GPA for the local CPU */
>> +	ghcb_set_rax(ghcb, -1ULL);
>> +	ghcb_set_rbx(ghcb, gpa);
>> +	res = sev_es_ghcb_hv_call(ghcb, &ctxt, SVM_VMGEXIT_SECURE_AVIC,
>> +			SVM_VMGEXIT_SECURE_AVIC_REGISTER_GPA, 0);
> 
> https://www.kernel.org/doc/html/latest/process/maintainer-tip.html#line-breaks
> 

Ok, will align with "ghcb" arg on previous line.


- Neeraj