[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH] SUPPORT.md, MAINTAINERS: De-support qemu-xen-traditional
On 14.12.2021 20:19, Julien Grall wrote: > On 09/12/2021 14:26, Ian Jackson wrote: >> In 4.16 we changed to not build this by default. I think it is now >> time to explicitly desupport it, completely, in favour of Linux dm >> stub domains. >> >> Signed-off-by: Ian Jackson <iwj@xxxxxxxxxxxxxx> >> --- >> MAINTAINERS | 2 +- >> SUPPORT.md | 18 +++++++++--------- >> 2 files changed, 10 insertions(+), 10 deletions(-) >> >> diff --git a/MAINTAINERS b/MAINTAINERS >> index e43dc0edce..933579541f 100644 >> --- a/MAINTAINERS >> +++ b/MAINTAINERS >> @@ -455,7 +455,7 @@ S: Supported >> F: tools/python >> >> QEMU-DM >> -S: Supported >> +S: Obsolete >> T: git https://xenbits.xenproject.org/git-http/qemu-xen-traditional.git >> >> QEMU UPSTREAM >> diff --git a/SUPPORT.md b/SUPPORT.md >> index 3a34933c89..b64ebee93b 100644 >> --- a/SUPPORT.md >> +++ b/SUPPORT.md >> @@ -802,17 +802,17 @@ See the section **Blkback** for image formats >> supported by QEMU. >> ### qemu-xen-traditional ### >> >> The Xen Project provides an old version of qemu with modifications >> -which enable use as a device model stub domain. The old version is >> -normally selected by default only in a stub dm configuration, but it >> -can be requested explicitly in other configurations, for example in >> -`xl` with `device_model_version="QEMU_XEN_TRADITIONAL"`. >> +which enable use as a device model stub domain. This old version is >> +not built by default. Even if it is build, it is normally selected by >> +default only in a stub dm configuration, but it can be requested >> +explicitly in other configurations, for example in `xl` with >> +`device_model_version="QEMU_XEN_TRADITIONAL"`. >> >> - Status, Device Model Stub Domains: Supported, with caveats >> - Status, as host process device model: No security support, not >> recommended >> +When device model stub domains are desired for the additional >> +security, we recommend using a device model stub domain consisting of >> +a modern qemu and a Linux kernel. > > Looking at SUPPORT.md, we have: > > ### Linux device model stubdomains > > Support for running qemu-xen device model in a linux stubdomain. > > Status: Tech Preview > > Is it still accurate? If yes, I am not sure we can recommend user to > switch to Linux stubdomain until this is fully supported. FWIW I agree that this needs updating at the same time or in a prereq change. I guess it'll need to be someone other than Ian now to pick up and progress this patch, though. Jan
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