All of lore.kernel.org
 help / color / mirror / Atom feed
From: Vasant Karasulli <vkarasulli@suse.de>
To: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Vasant k <vsntk18@gmail.com>,
	x86@kernel.org, joro@8bytes.org, cfir@google.com,
	dan.j.williams@intel.com, dave.hansen@linux.intel.com,
	ebiederm@xmission.com, erdemaktas@google.com, hpa@zytor.com,
	jgross@suse.com, jslaby@suse.cz, keescook@chromium.org,
	kexec@lists.infradead.org, kvm@vger.kernel.org,
	linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org,
	luto@kernel.org, martin.b.radev@gmail.com, mhiramat@kernel.org,
	mstunes@vmware.com, nivedita@alum.mit.edu, peterz@infradead.org,
	rientjes@google.com, seanjc@google.com, stable@vger.kernel.org,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH v4 0/9] x86/sev: KEXEC/KDUMP support for SEV-ES guests
Date: Tue, 12 Mar 2024 16:16:41 +0100	[thread overview]
Message-ID: <ZfBx2ewmB06qQajs@vasant-suse> (raw)
In-Reply-To: <c8c88a28-30be-4034-9fe7-9c9de5247c53@amd.com>

On Di 12-03-24 09:04:13, Tom Lendacky wrote:
> On 3/11/24 15:32, Vasant k wrote:
> > Hi Tom,
> >
> >         Right,  it just escaped my mind that the SNP uses the secrets page
> > to hand over APs to the next stage.  I will correct that in the next
>
> Not quite... The MADT table lists the APs and the GHCB AP Create NAE event
> is used to start the APs.

Alright. So AP Jump Table is not used like in the case of SEV-ES. Thanks,
I will keep the changes in the patch set exclusively for SEV-ES then.

- Vasant

WARNING: multiple messages have this Message-ID (diff)
From: Vasant Karasulli <vkarasulli@suse.de>
To: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Vasant k <vsntk18@gmail.com>,
	x86@kernel.org, joro@8bytes.org, cfir@google.com,
	dan.j.williams@intel.com, dave.hansen@linux.intel.com,
	ebiederm@xmission.com, erdemaktas@google.com, hpa@zytor.com,
	jgross@suse.com, jslaby@suse.cz, keescook@chromium.org,
	kexec@lists.infradead.org, kvm@vger.kernel.org,
	linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org,
	luto@kernel.org, martin.b.radev@gmail.com, mhiramat@kernel.org,
	mstunes@vmware.com, nivedita@alum.mit.edu, peterz@infradead.org,
	rientjes@google.com, seanjc@google.com, stable@vger.kernel.org,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH v4 0/9] x86/sev: KEXEC/KDUMP support for SEV-ES guests
Date: Tue, 12 Mar 2024 16:16:41 +0100	[thread overview]
Message-ID: <ZfBx2ewmB06qQajs@vasant-suse> (raw)
In-Reply-To: <c8c88a28-30be-4034-9fe7-9c9de5247c53@amd.com>

On Di 12-03-24 09:04:13, Tom Lendacky wrote:
> On 3/11/24 15:32, Vasant k wrote:
> > Hi Tom,
> >
> >         Right,  it just escaped my mind that the SNP uses the secrets page
> > to hand over APs to the next stage.  I will correct that in the next
>
> Not quite... The MADT table lists the APs and the GHCB AP Create NAE event
> is used to start the APs.

Alright. So AP Jump Table is not used like in the case of SEV-ES. Thanks,
I will keep the changes in the patch set exclusively for SEV-ES then.

- Vasant

_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

  reply	other threads:[~2024-03-12 15:16 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-11 16:17 [PATCH v4 0/9] x86/sev: KEXEC/KDUMP support for SEV-ES guests Vasant Karasulli
2024-03-11 16:17 ` Vasant Karasulli
2024-03-11 16:17 ` [PATCH v4 1/9] x86/kexec/64: Disable kexec when SEV-ES is active Vasant Karasulli
2024-03-11 16:17   ` Vasant Karasulli
2024-03-11 16:17 ` [PATCH v4 2/9] x86/sev: Save and print negotiated GHCB protocol version Vasant Karasulli
2024-03-11 16:17   ` Vasant Karasulli
2024-03-11 16:21   ` kernel test robot
2024-03-11 16:17 ` [PATCH v4 3/9] x86/sev: Set GHCB data structure version Vasant Karasulli
2024-03-11 16:17   ` Vasant Karasulli
2024-03-11 16:17 ` [PATCH v4 4/9] x86/sev: Setup code to park APs in the AP Jump Table Vasant Karasulli
2024-03-11 16:17   ` Vasant Karasulli
2024-03-11 16:17 ` [PATCH v4 5/9] x86/sev: Park APs on AP Jump Table with GHCB protocol version 2 Vasant Karasulli
2024-03-11 16:17   ` Vasant Karasulli
2024-03-11 16:17 ` [PATCH v4 6/9] x86/sev: Use AP Jump Table blob to stop CPU Vasant Karasulli
2024-03-11 16:17   ` Vasant Karasulli
2024-03-11 16:17 ` [PATCH v4 7/9] x86/sev: Add MMIO handling support to boot/compressed/ code Vasant Karasulli
2024-03-11 16:17   ` Vasant Karasulli
2024-03-11 16:17 ` [PATCH v4 8/9] x86/sev: Handle CLFLUSH MMIO events Vasant Karasulli
2024-03-11 16:17   ` Vasant Karasulli
2024-03-11 16:17 ` [PATCH v4 9/9] x86/kexec/64: Support kexec under SEV-ES with AP Jump Table Blob Vasant Karasulli
2024-03-11 16:17   ` Vasant Karasulli
2024-03-11 19:19 ` [PATCH v4 0/9] x86/sev: KEXEC/KDUMP support for SEV-ES guests Tom Lendacky
2024-03-11 19:19   ` Tom Lendacky
     [not found]   ` <CAF2zH5qZKEmECy=9vG4sLmdDt5k7nC=MwjKvJLyVfPyFzt+0hA@mail.gmail.com>
2024-03-12 14:04     ` Tom Lendacky
2024-03-12 14:04       ` Tom Lendacky
2024-03-12 15:16       ` Vasant Karasulli [this message]
2024-03-12 15:16         ` Vasant Karasulli
2024-03-12 16:13         ` Tom Lendacky
2024-03-12 16:13           ` Tom Lendacky

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=ZfBx2ewmB06qQajs@vasant-suse \
    --to=vkarasulli@suse.de \
    --cc=cfir@google.com \
    --cc=dan.j.williams@intel.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=ebiederm@xmission.com \
    --cc=erdemaktas@google.com \
    --cc=hpa@zytor.com \
    --cc=jgross@suse.com \
    --cc=joro@8bytes.org \
    --cc=jslaby@suse.cz \
    --cc=keescook@chromium.org \
    --cc=kexec@lists.infradead.org \
    --cc=kvm@vger.kernel.org \
    --cc=linux-coco@lists.linux.dev \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=martin.b.radev@gmail.com \
    --cc=mhiramat@kernel.org \
    --cc=mstunes@vmware.com \
    --cc=nivedita@alum.mit.edu \
    --cc=peterz@infradead.org \
    --cc=rientjes@google.com \
    --cc=seanjc@google.com \
    --cc=stable@vger.kernel.org \
    --cc=thomas.lendacky@amd.com \
    --cc=virtualization@lists.linux-foundation.org \
    --cc=vsntk18@gmail.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.