[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v5 1/9] libxc: reorganize domain builder guest memory allocator
On 12/11/15 14:48, Wei Liu wrote: > On Thu, Nov 12, 2015 at 02:43:28PM +0100, Juergen Gross wrote: >> Guest memory allocation in the domain builder of libxc is done via >> virtual addresses only. In order to be able to support preallocated >> areas not virtually mapped reorganize the memory allocator to keep >> track of allocated pages globally and in allocated segments. >> >> This requires an interface change of the allocate callback of the >> domain builder which currently is using the last mapped virtual >> address as a parameter. This is no problem as the only user of this >> callback is stubdom/grub/kexec.c using this virtual address to >> calculate the last used pfn. >> >> Signed-off-by: Juergen Gross <jgross@xxxxxxxx> > > If you've tested and confirmed pvgrub (stubdom based grub) doesn't > break: > > Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx> > Hmm, difficult. Is this ever tested automatically? I just tried and it died: ... vbd 51712 is hd0 ******************* BLKFRONT for device/vbd/51712 ********** backend at /local/domain/0/backend/qdisk/3/51712 Failed to read /local/domain/0/backend/qdisk/3/51712/feature-barrier. 16777216 sectors of 0 bytes ************************** I guess I need a special setup to make it work. :-( Juergen _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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