Hi Luca, > On 19 Apr 2023, at 09:11, Luca Fancellu <luca.fance...@arm.com> wrote: > > > >> On 18 Apr 2023, at 13:56, Bertrand Marquis <bertrand.marq...@arm.com> wrote: >> >> Hi Luca, >> >>> On 12 Apr 2023, at 11:49, Luca Fancellu <luca.fance...@arm.com> wrote: >>> >>> Arm now can use the "dom0=" Xen command line option and the support >>> for guests running SVE instructions is added, put entries in the >>> changelog. >>> >>> Signed-off-by: Luca Fancellu <luca.fance...@arm.com> >>> --- >>> Changes from v4: >>> - No changes >>> Change from v3: >>> - new patch >>> --- >>> CHANGELOG.md | 5 +++++ >>> 1 file changed, 5 insertions(+) >>> >>> diff --git a/CHANGELOG.md b/CHANGELOG.md >>> index c978cfd9b68f..a24951603359 100644 >>> --- a/CHANGELOG.md >>> +++ b/CHANGELOG.md >>> @@ -6,6 +6,10 @@ The format is based on [Keep a >>> Changelog](https://keepachangelog.com/en/1.0.0/) >>> >>> ## [unstable >>> UNRELEASED](https://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=staging) >>> - TBD >>> >>> +### Changed >>> +- The "dom0" option is now supported on Arm and "sve=" sub-option can be >>> used >>> + to enable dom0 guest to use SVE/SVE2 instructions. >>> + >>> ### Added >>> - On x86, support for features new in Intel Sapphire Rapids CPUs: >>> - PKS (Protection Key Supervisor) available to HVM/PVH guests. >>> @@ -14,6 +18,7 @@ The format is based on [Keep a >>> Changelog](https://keepachangelog.com/en/1.0.0/) >>> - Bus-lock detection, used by Xen to mitigate (by rate-limiting) the system >>> wide impact of a guest misusing atomic instructions. >>> - xl/libxl can customize SMBIOS strings for HVM guests. >>> + - On Arm, Xen supports guests running SVE/SVE2 instructions. >> >> Might be a good idea to mention that this is a tech preview ? > > Sure I’ll mention that, is there something in particular that needs to be > done or is it enough to say that here?
It is clearer i think if you mention here that it is a tech preview. For the rest it must be listed as UNSUPPORTED in Kconfig and Tech Preview state must be also mentioned in SUPPORT.md. Cheers Bertrand > >> >> Cheers >> Bertrand >> >>> >>> ## >>> [4.17.0](https://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=RELEASE-4.17.0) >>> - 2022-12-12 >>> >>> -- >>> 2.34.1
