[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] EPS Signature
But is the usage HYPERVISOR_update_descriptor(...) appropriate? -Kaushik -----Original Message----- From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx] Sent: Sunday, February 11, 2007 4:58 PM To: Kaushik Barde; Ian Pratt; Xen devel list Subject: Re: [Xen-devel] EPS Signature On 11/2/07 23:39, "Kaushik Barde" <Kaushik_Barde@xxxxxxxxxxx> wrote: > gdt_table = get_cpu_gdt_table(cpu); > l_entry_ma = virt_to_bus(&(gdt_table[l_Request.entryNum])); > l_desc_64 = *( (u64 *) &l_Desc); This should be fine, assuming gdt_table is a normal kernel virtual address (e.g., returned by kmalloc()). I/O memory is a different matter in Xen, in that virt_to_bus() won't work. In fact the same restriction holds in native Linux as well (I/O memory shouldn't be virt_to_bus()ed). -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |