x86/xen/smp_pv: Remove wait for CPU online

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Now that the core code drops sparse_irq_lock after the idle thread
synchronized, it's pointless to wait for the AP to mark itself online.

Whether the control CPU runs in a wait loop or sleeps in the core code
waiting for the online operation to complete makes no difference.

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/20230512205256.369512093@linutronix.de

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Thomas Gleixner 2023-05-12 23:07:24 +02:00 • committed by Peter Zijlstra

parent e464640cf7

commit 2de7fd26d9

1 changed files with 5 additions and 5 deletions

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arch/x86/xen/smp_pv.c

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