On 30 July 2018 at 18:24, Alistair Francis <alistai...@gmail.com> wrote:
> On Sun, Jul 29, 2018 at 4:28 AM, Peter Maydell <peter.mayd...@linaro.org>
> wrote:
>>> Another piece that even Michael Clark does not have is
>>> linux-user/host/*/safe-syscall.S.
>>
>> It might be nice to complete the safe-syscall stuff for all hosts,
>> and then remove the fallback that lets you build an unreliable
>> linux-user binary without it...
>
> At the moment though QEMU won't build with Linux user. So some work is
> required just to get the build working.
Right -- it's not really sufficient to just change configure.
I'd rather see:
(a) a proper backend for any host CPU type we actually care about,
which is what Michael's work is doing
(b) support for the various per-host-arch things that are needed
like the safe-syscall shim
(c) QEMU's build infrastructure guiding the process of implementing
both of those, by making it a build failure to not provide
all the set of things, rather than producing a configuration
that will build but not work reliably
thanks
-- PMM
