[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH] SUPPORT.md: Explicitly desupport pvgrub1; and support grub-pv
On 19.08.21 15:26, Ian Jackson wrote: We can no longer conveniently even test pv-grub1; osstest tests for this have just been dropped from all Xen branches (by osstest.git#8dee6e333622). This is without prejudice to its eventual removal. We should perhaps proceed cautiously with that since it may be helpful for some old guests. Probably, yes. OTOH keeping just old binaries should work without any problem. This might be worth considering. Especially as this would open up the path to drop the support of 32-bit libxenctrl/libxenguest support on 64-bit platforms in case we want to got that route. Under the circumstances, I think this patch has to be a backport candidate to all still-supported trees. CC: Juergen Gross <jgross@xxxxxxxx> CC: Jan Beulich <jbeulich@xxxxxxxx>, CC: Wei Liu <wl@xxxxxxx> Backport-requested-by: Ian Jackson <iwj@xxxxxxxxxxxxxx> Signed-off-by: Ian Jackson <iwj@xxxxxxxxxxxxxx> --- SUPPORT.md | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/SUPPORT.md b/SUPPORT.md index 317392d8f3..9db027a85f 100644 --- a/SUPPORT.md +++ b/SUPPORT.md @@ -832,6 +832,28 @@ OVMF firmware implements the UEFI boot protocol.Status, qemu-xen: Supported +### grub-pv aka pvgrub2 (guest bootloader)+ + Status: Supported + +Support in upstream GRUB2 for running in Xen PV, to booting Xen PV +guests. + +Collaboration (and security coordination) and fixes will be provided +by the Xen Project, as needed. + +### x86/HVM pvgrub1 (aka stubdom pv-grub) s/HVM/PV/ + + Status: Obsolescent, limited support + +GRUB1 compiled with minios and Xen stubdom, to run in guest context. +This is provided in the Xen source distribution for the benefit of +very old guests; it is no longer tested, but build and functionality +fixes are welcome. + +pvgrub1 is not security-supported. However, it runs in guest context, +so there should be no implications for host security. + Juergen Attachment:
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