diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2023-05-13 00:07:29 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-05-15 14:44:56 +0300 |
| commit | 2711b8e2b71fa3cce9c28b0f07b75882f141adfe (patch) | |
| tree | 19bb6bf401793544a552de96d0488e7e267f717f /arch/x86/Kconfig | |
| parent | 6f0621238b7e7680d5e26c00aa4cd473314d05b2 (diff) | |
| download | linux-2711b8e2b71fa3cce9c28b0f07b75882f141adfe.tar.xz | |
x86/smpboot: Switch to hotplug core state synchronization
The new AP state tracking and synchronization mechanism in the CPU hotplug
core code allows to remove quite some x86 specific code:
1) The AP alive synchronization based on cpumasks
2) The decision whether an AP can be brought up again
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com> # Steam Deck
Link: https://lore.kernel.org/r/20230512205256.529657366@linutronix.de
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d0191338a102..adb1ec8503d0 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -274,6 +274,7 @@ config X86 select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_USER_RETURN_NOTIFIER select HAVE_GENERIC_VDSO + select HOTPLUG_CORE_SYNC_FULL if SMP select HOTPLUG_SMT if SMP select IRQ_FORCED_THREADING select NEED_PER_CPU_EMBED_FIRST_CHUNK |