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| author | Thomas Gleixner <tglx@linutronix.de> | 2023-05-12 23:07:12 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-05-15 13:44:51 +0200 |
| commit | e94cd1503b153ea753f0c4ed9d5ed12e7abd1306 (patch) | |
| tree | 96af41fa02c9e248e174d95c38ca586d89e3ad42 /arch/x86/include/asm/processor.h | |
| parent | x86/smpboot: Split up native_cpu_up() into separate phases and document them (diff) | |
| download | linux-e94cd1503b153ea753f0c4ed9d5ed12e7abd1306.tar.gz linux-e94cd1503b153ea753f0c4ed9d5ed12e7abd1306.zip | |
x86/smpboot: Get rid of cpu_init_secondary()
The synchronization of the AP with the control CPU is a SMP boot problem
and has nothing to do with cpu_init().
Open code cpu_init_secondary() in start_secondary() and move
wait_for_master_cpu() into the SMP boot code.
No functional change.
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/20230512205255.981999763@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index a1e4fa58b357..d46300e94f85 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -551,7 +551,6 @@ extern void switch_gdt_and_percpu_base(int); extern void load_direct_gdt(int); extern void load_fixmap_gdt(int); extern void cpu_init(void); -extern void cpu_init_secondary(void); extern void cpu_init_exception_handling(void); extern void cr4_init(void); |