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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.