diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2024-06-14 12:59:01 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-06-17 17:46:20 +0200 |
| commit | 26ba7353caaa7140561d3f7693a77a3eb68c722c (patch) | |
| tree | 4c1305cbc1c7cbd0b7c581b5dae033dadb51363f /arch/x86/mm | |
| parent | db0936830a2fcc35e2b283275acf61b6d3ae1e11 (diff) | |
| download | linux-26ba7353caaa7140561d3f7693a77a3eb68c722c.tar.gz linux-26ba7353caaa7140561d3f7693a77a3eb68c722c.tar.bz2 linux-26ba7353caaa7140561d3f7693a77a3eb68c722c.zip | |
x86/smp: Add smp_ops.stop_this_cpu() callback
If the helper is defined, it is called instead of halt() to stop the CPU at the
end of stop_this_cpu() and on crash CPU shutdown.
ACPI MADT will use it to hand over the CPU to BIOS in order to be able to wake
it up again after kexec.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Kai Huang <kai.huang@intel.com>
Tested-by: Tao Liu <ltao@redhat.com>
Link: https://lore.kernel.org/r/20240614095904.1345461-17-kirill.shutemov@linux.intel.com
Diffstat (limited to 'arch/x86/mm')
0 files changed, 0 insertions, 0 deletions