Messages in this thread | | | Date | Tue, 17 Oct 2023 12:17:17 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCHv2] efi/unaccepted: Fix soft lockups caused by parallel memory acceptance |
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On Tue, Oct 17, 2023 at 09:42:13AM +0200, Ard Biesheuvel wrote:
> One question I have is whether the sequence > > spin_lock_irqsave(&unaccepted_memory_lock, flags); > ... > spin_unlock(&unaccepted_memory_lock); > arch_accept_memory(phys_start, phys_end); > spin_lock(&unaccepted_memory_lock); > ... > spin_unlock_irqrestore(&unaccepted_memory_lock, flags); > > is considered sound and is supported by all architectures?
Yes.
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