From: Thomas Gleixner <tglx@linutronix.de>
To: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>, linux-kernel@vger.kernel.org
Cc: bp@alien8.de, mingo@redhat.com, dave.hansen@linux.intel.com,
Thomas.Lendacky@amd.com, nikunj@amd.com, Santosh.Shukla@amd.com,
Vasant.Hegde@amd.com, Suravee.Suthikulpanit@amd.com,
David.Kaplan@amd.com, x86@kernel.org, hpa@zytor.com,
peterz@infradead.org, seanjc@google.com, pbonzini@redhat.com,
kvm@vger.kernel.org, kirill.shutemov@linux.intel.com,
huibo.wang@amd.com, naveen.rao@amd.com,
francescolavra.fl@gmail.com
Subject: Re: [PATCH v3 02/17] x86/apic: Initialize Secure AVIC APIC backing page
Date: Thu, 03 Apr 2025 13:37:58 +0200 [thread overview]
Message-ID: <871pu9wk4p.ffs@tglx> (raw)
In-Reply-To: <20250401113616.204203-3-Neeraj.Upadhyay@amd.com>
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)();
> + 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
next prev parent reply other threads:[~2025-04-03 11:38 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-01 11:35 [PATCH v3 00/17] AMD: Add Secure AVIC Guest Support Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 01/17] x86/apic: Add new driver for Secure AVIC Neeraj Upadhyay
2025-04-03 11:34 ` Thomas Gleixner
2025-04-03 11:42 ` Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 02/17] x86/apic: Initialize Secure AVIC APIC backing page Neeraj Upadhyay
2025-04-03 11:37 ` Thomas Gleixner [this message]
2025-04-03 11:44 ` Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 03/17] x86/apic: Populate .read()/.write() callbacks of Secure AVIC driver Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 04/17] x86/apic: Initialize APIC ID for Secure AVIC Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 05/17] x86/apic: Add update_vector callback " Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 06/17] x86/apic: Add support to send IPI " Neeraj Upadhyay
2025-04-03 11:45 ` Thomas Gleixner
2025-04-03 11:58 ` Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 07/17] x86/apic: Support LAPIC timer " Neeraj Upadhyay
2025-04-03 12:13 ` Thomas Gleixner
2025-04-03 12:36 ` Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 08/17] x86/sev: Initialize VGIF for secondary VCPUs " Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 09/17] x86/apic: Add support to send NMI IPI " Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 10/17] x86/apic: Allow NMI to be injected from hypervisor " Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 11/17] x86/sev: Enable NMI support " Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 12/17] x86/apic: Read and write LVT* APIC registers from HV for SAVIC guests Neeraj Upadhyay
2025-04-14 23:57 ` Liz Jordan
2025-04-01 11:36 ` [PATCH v3 13/17] x86/apic: Handle EOI writes " Neeraj Upadhyay
2025-04-07 15:45 ` Sean Christopherson
2025-04-07 16:19 ` Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 14/17] x86/apic: Add kexec support for Secure AVIC Neeraj Upadhyay
2025-04-11 17:01 ` Francesco Lavra
2025-04-01 11:36 ` [PATCH v3 15/17] x86/apic: Enable Secure AVIC in Control MSR Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 16/17] x86/sev: Prevent SECURE_AVIC_CONTROL MSR interception for Secure AVIC guests Neeraj Upadhyay
2025-04-01 11:36 ` [PATCH v3 17/17] x86/sev: Indicate SEV-SNP guest supports Secure AVIC Neeraj Upadhyay
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=871pu9wk4p.ffs@tglx \
--to=tglx@linutronix.de \
--cc=David.Kaplan@amd.com \
--cc=Neeraj.Upadhyay@amd.com \
--cc=Santosh.Shukla@amd.com \
--cc=Suravee.Suthikulpanit@amd.com \
--cc=Thomas.Lendacky@amd.com \
--cc=Vasant.Hegde@amd.com \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=francescolavra.fl@gmail.com \
--cc=hpa@zytor.com \
--cc=huibo.wang@amd.com \
--cc=kirill.shutemov@linux.intel.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=naveen.rao@amd.com \
--cc=nikunj@amd.com \
--cc=pbonzini@redhat.com \
--cc=peterz@infradead.org \
--cc=seanjc@google.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox