[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 15:47, Ian Campbell wrote: > On Thu, 2015-11-12 at 15:03 +0100, Juergen Gross wrote: >> 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? > > Yes, see the test-amd64-amd64-amd64-pvgrub and test-amd64-amd64-i386-pvgrub > jobs in any recent osstest flight (it was added a couple of months back. > > http://logs.test-lab.xenproject.org/osstest/results/history/test-amd64-amd64-amd64-pvgrub/xen-unstable.html > > suggests it works ok in general. It doesn't work on any of my test installations I've tried so far (3 different installations with 3 different domUs). And that's without my patches being active. In case somebody else is capable of testing pvgrub with xen-unstable I'd appreciate testing my patches there! Juergen _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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