Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-01 10:45:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ACPI: tables: Print MULTIPROC_WAKEUP when MADT is parsed

Browse Source 
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 bringup.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Kai Huang <kai.huang@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Tao Liu <ltao@redhat.com>
Link: https://lore.kernel.org/r/20240614095904.1345461-20-kirill.shutemov@linux.intel.com
This commit is contained in:
Kirill A. Shutemov 2024-06-14 12:59:04 +03:00 committed by Borislav Petkov (AMD)
parent 1ceebe2e46
commit 16df359461
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/acpi/tables.c
View File

@ -198,6 +198,20 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
} }
break; 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: case ACPI_MADT_TYPE_CORE_PIC:
{ {
struct acpi_madt_core_pic *p = (struct acpi_madt_core_pic *)header; struct acpi_madt_core_pic *p = (struct acpi_madt_core_pic *)header;