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Re: [Xen-devel] [PATCH v12 2/3] x86/mem_sharing: reset a fork



On 23.03.2020 18:04, Tamas K Lengyel wrote:
> +static int mem_sharing_fork_reset(struct domain *d, struct domain *pd)
> +{
> +    int rc;
> +    struct p2m_domain *p2m = p2m_get_hostp2m(d);
> +    struct page_info *page, *tmp;
> +
> +    spin_lock(&d->page_alloc_lock);
> +    domain_pause(d);

Why do you take the lock first?

Jan



 


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