[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 05/18] arm/altp2m: Add HVMOP_altp2m_set_domain_state.
Hello Sergej, On 05/07/16 09:45, Sergej Proskurin wrote: +struct p2m_domain *p2m_get_altp2m(struct vcpu *v) +{ + unsigned int index = vcpu_altp2m(v).p2midx; + + if ( index == INVALID_ALTP2M ) + return NULL; + + BUG_ON(index >= MAX_ALTP2M); + + return v->domain->arch.altp2m_p2m[index]; +} + +static void p2m_init_altp2m_helper(struct domain *d, unsigned int i) +{ + struct p2m_domain *p2m = d->arch.altp2m_p2m[i]; + struct vttbr_data *vttbr = &p2m->vttbr; + + p2m->lowest_mapped_gfn = INVALID_GFN; + p2m->max_mapped_gfn = 0;Would not it be easier to reallocate p2m from scratch everytime you enable it?Do you mean instead of dynamically allocating memory for all altp2m_p2m entries at once in p2m_init_altp2m by means of p2m_init_one? If yes, then I agree. Thankyou. I mean that the altp2m memory should only be allocated when you use it. I.e in p2m_init_next_altp2m. Regards, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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