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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v2 32/41] arm : acpi dynamically map mmio regions
On 8 June 2015 at 22:20, Julien Grall <julien.grall@xxxxxxxxxx> wrote: > Hi Parth, > > On 17/05/2015 21:03, Parth Dixit wrote: >> >> In ACPI mmio regions are described in DSDT which requires >> AML interpreter. Defer the mapping of mmio until DSDT is parsed in >> DOM0 and map mmio's dynamically at the time of request. > > > I'm against a such solution. Even though it's DOM0 we should avoid to allow > him to map anything (RAM,...) on data abort. I think we agreed to this solution http://lists.xenproject.org/archives/html/xen-devel/2015-06/msg02059.html > During DOM0 creation, we should map anything that is not RAM and not used by > Xen to DOM0. IIRC, this is how it works on x86. > > I'm nearly sure we talked about it during the Linaro Connect. Please give > details if you thing it won't work... > > Regards, > > -- > Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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