From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Elena Reshetova <elena.reshetova@intel.com>,
Jun Nakajima <jun.nakajima@intel.com>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
"Kalra, Ashish" <ashish.kalra@amd.com>,
Sean Christopherson <seanjc@google.com>,
"Huang, Kai" <kai.huang@intel.com>, Baoquan He <bhe@redhat.com>,
kexec@lists.infradead.org, linux-coco@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [PATCHv8 17/17] ACPI: tables: Print MULTIPROC_WAKEUP when MADT is parsed
Date: Tue, 27 Feb 2024 13:30:21 -0800 [thread overview]
Message-ID: <fb1279da-d6b1-4341-977d-44c9db94d063@linux.intel.com> (raw)
In-Reply-To: <20240227212452.3228893-18-kirill.shutemov@linux.intel.com>
On 2/27/24 1:24 PM, Kirill A. Shutemov wrote:
> When MADT is parsed, print MULTIPROC_WAKEUP information:
>
> ACPI: MP Wakeup (version[1], mailbox[0x7fffd000], reset[0x7fffe068])
>
> This debug information will be very helpful during bring up.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Reviewed-by: Baoquan He <bhe@redhat.com>
> ---
Looks good to me.
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
> drivers/acpi/tables.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
> index b07f7d091d13..c59a3617bca7 100644
> --- a/drivers/acpi/tables.c
> +++ b/drivers/acpi/tables.c
> @@ -198,6 +198,20 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
> }
> break;
>
> + case ACPI_MADT_TYPE_MULTIPROC_WAKEUP:
> + {
> + struct acpi_madt_multiproc_wakeup *p =
> + (struct acpi_madt_multiproc_wakeup *)header;
> + u64 reset_vector = 0;
> +
> + if (p->version >= ACPI_MADT_MP_WAKEUP_VERSION_V1)
> + reset_vector = p->reset_vector;
> +
> + pr_debug("MP Wakeup (version[%d], mailbox[%#llx], reset[%#llx])\n",
> + p->version, p->mailbox_address, reset_vector);
> + }
> + break;
> +
> case ACPI_MADT_TYPE_CORE_PIC:
> {
> struct acpi_madt_core_pic *p = (struct acpi_madt_core_pic *)header;
--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer
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next parent reply other threads:[~2024-02-27 21:30 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20240227212452.3228893-1-kirill.shutemov@linux.intel.com>
[not found] ` <20240227212452.3228893-18-kirill.shutemov@linux.intel.com>
2024-02-27 21:30 ` Kuppuswamy Sathyanarayanan [this message]
2024-02-27 22:08 ` [PATCHv8 17/17] ACPI: tables: Print MULTIPROC_WAKEUP when MADT is parsed Huang, Kai
2024-02-28 15:22 ` Kirill A. Shutemov
2024-02-28 21:19 ` Huang, Kai
[not found] ` <20240227212452.3228893-9-kirill.shutemov@linux.intel.com>
2024-02-27 23:12 ` [PATCHv8 08/17] x86/tdx: Account shared memory Huang, Kai
[not found] ` <20240227212452.3228893-10-kirill.shutemov@linux.intel.com>
2024-02-27 23:16 ` [PATCHv8 09/17] x86/mm: Adding callbacks to prepare encrypted memory for kexec Huang, Kai
[not found] ` <20240227212452.3228893-11-kirill.shutemov@linux.intel.com>
2024-02-27 23:30 ` [PATCHv8 10/17] x86/tdx: Convert shared memory back to private on kexec Huang, Kai
[not found] ` <20240227212452.3228893-7-kirill.shutemov@linux.intel.com>
2024-02-27 23:33 ` [PATCHv8 06/17] x86/mm: Make x86_platform.guest.enc_status_change_*() return errno Huang, Kai
2024-03-06 15:02 ` [PATCHv8 00/17, CORRECTED] x86/tdx: Add kexec support Kirill A. Shutemov
2024-03-07 6:57 ` Tao Liu
2024-03-18 7:02 ` [PATCH v2 0/3] x86/snp: " Ashish Kalra
2024-03-18 7:02 ` [PATCH v2 1/3] efi/x86: skip efi_arch_mem_reserve() in case of kexec Ashish Kalra
2024-03-19 4:00 ` Dave Young
2024-03-24 22:32 ` Kalra, Ashish
2024-03-18 7:02 ` [PATCH v2 2/3] x86/mm: Do not zap page table entries mapping unaccepted memory table during kdump Ashish Kalra
2024-03-21 14:58 ` Kirill A. Shutemov
2024-03-18 7:02 ` [PATCH v2 3/3] x86/snp: Convert shared memory back to private on kexec Ashish Kalra
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