[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 13/16] SUPPORT.md: Add secondary memory management features
On 11/21/2017 07:55 PM, Andrew Cooper wrote: > On 13/11/17 15:41, George Dunlap wrote: >> Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxx> >> --- >> CC: Ian Jackson <ian.jackson@xxxxxxxxxx> >> CC: Wei Liu <wei.liu2@xxxxxxxxxx> >> CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> >> CC: Jan Beulich <jbeulich@xxxxxxxx> >> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx> >> CC: Konrad Wilk <konrad.wilk@xxxxxxxxxx> >> CC: Tim Deegan <tim@xxxxxxx> >> CC: Tamas K Lengyel <tamas.lengyel@xxxxxxxxxxxx> >> --- >> SUPPORT.md | 31 +++++++++++++++++++++++++++++++ >> 1 file changed, 31 insertions(+) >> >> diff --git a/SUPPORT.md b/SUPPORT.md >> index 0f7426593e..3e352198ce 100644 >> --- a/SUPPORT.md >> +++ b/SUPPORT.md >> @@ -187,6 +187,37 @@ Export hypervisor coverage data suitable for analysis >> by gcov or lcov. >> >> Status: Supported >> >> +### Memory Sharing >> + >> + Status, x86 HVM: Tech Preview >> + Status, ARM: Tech Preview >> + >> +Allow sharing of identical pages between guests > > "Tech Preview" should imply there is any kind of `xl dedup-these-domains > $X $Y` functionality. > > The only thing we appears to have an example wrapper around the libxc > interface, which requires the user to nominate individual frames, and > this doesn't qualify as "functionally complete" IMO. Right, I was getting confused with paging, which does have at least some code in the tools/ directory. (But perhaps should also be considered experimental? When was the last time anyone tried to use it?) > There also doesn't appear to be any ARM support in the slightest. > mem_sharing_{memop,domctl}() are only implemented for x86. Ack. -George _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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