From: "Dr. David Alan Gilbert" <dave@treblig.org>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: qemu-trivial@nongnu.org, mjt@tls.msk.ru, laurent@vivier.eu,
thuth@redhat.com, pbonzini@redhat.com, jak@jak-linux.org,
qemu-devel@nongnu.org
Subject: Re: [PATCH] qemu-options.hx: Document -M as -machine alias
Date: Wed, 3 Dec 2025 13:59:09 +0000 [thread overview]
Message-ID: <aTBCLbDbpXgkTLHr@gallifrey> (raw)
In-Reply-To: <87a4zzu230.fsf@draig.linaro.org>
* Alex Bennée (alex.bennee@linaro.org) wrote:
> dave@treblig.org writes:
>
> > From: "Dr. David Alan Gilbert" <dave@treblig.org>
> >
> > -M is used heavily in documentation and scripts, but isn't actually
> > documented anywhere.
> > Document it as equivalent to -machine.
> >
> > Reported-by: Julian Andres Klode <jak@jak-linux.org>
> > Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
> > ---
> > qemu-options.hx | 12 +++++++-----
> > 1 file changed, 7 insertions(+), 5 deletions(-)
> >
> > diff --git a/qemu-options.hx b/qemu-options.hx
> > index fca2b7bc74..ec92723f10 100644
> > --- a/qemu-options.hx
> > +++ b/qemu-options.hx
> > @@ -44,6 +44,7 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \
> > #endif
> > " memory-backend='backend-id' specifies explicitly provided backend for main RAM (default=none)\n"
> > " cxl-fmw.0.targets.0=firsttarget,cxl-fmw.0.targets.1=secondtarget,cxl-fmw.0.size=size[,cxl-fmw.0.interleave-granularity=granularity]\n"
> > + " sgx-epc.0.memdev=memid,sgx-epc.0.node=numaid\n"
> > " smp-cache.0.cache=cachename,smp-cache.0.topology=topologylevel\n",
> > QEMU_ARCH_ALL)
> > SRST
> > @@ -179,6 +180,9 @@ SRST
> >
> > -machine cxl-fmw.0.targets.0=cxl.0,cxl-fmw.0.targets.1=cxl.1,cxl-fmw.0.size=128G,cxl-fmw.0.interleave-granularity=512
> >
> > + ``sgx-epc.0.memdev=@var{memid},sgx-epc.0.node=@var{numaid}``
> > + Define an SGX EPC section.
> > +
>
> This seems unrelated.
>
> > ``smp-cache.0.cache=cachename,smp-cache.0.topology=topologylevel``
> > Define cache properties for SMP system.
> >
> > @@ -208,12 +212,10 @@ SRST
> > ERST
> >
> > DEF("M", HAS_ARG, QEMU_OPTION_M,
> > - " sgx-epc.0.memdev=memid,sgx-epc.0.node=numaid\n",
> > - QEMU_ARCH_ALL)
> > -
> > + "-M as -machine\n", QEMU_ARCH_ALL)
> > SRST
> > -``sgx-epc.0.memdev=@var{memid},sgx-epc.0.node=@var{numaid}``
> > - Define an SGX EPC section.
> > +``-M``
> > + as -machine.
>
> Did we have a merge conflict at some point that messed things up?
It's not clear - it was the only option hanging around in -M and it was
already appearing wrong in the man output.
I wondered if it was some requirement to have *something* in the -M
definition so thought it best to move it at the same time.
Dave
> > ERST
> >
> > DEF("cpu", HAS_ARG, QEMU_OPTION_cpu,
>
> --
> Alex Bennée
> Virtualisation Tech Lead @ Linaro
--
-----Open up your eyes, open up your mind, open up your code -------
/ Dr. David Alan Gilbert | Running GNU/Linux | Happy \
\ dave @ treblig.org | | In Hex /
\ _________________________|_____ http://www.treblig.org |_______/
next prev parent reply other threads:[~2025-12-03 14:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-03 13:15 [PATCH] qemu-options.hx: Document -M as -machine alias dave
2025-12-03 13:28 ` Alex Bennée
2025-12-03 13:59 ` Dr. David Alan Gilbert [this message]
2025-12-03 16:06 ` Peter Maydell
2025-12-03 16:20 ` Dr. David Alan Gilbert
2025-12-03 16:28 ` Peter Maydell
2025-12-03 16:37 ` Dr. David Alan Gilbert
2025-12-03 16:43 ` Peter Maydell
2025-12-11 3:31 ` Xiaoyao Li
2025-12-03 13:59 ` Paolo Bonzini
2025-12-04 7:31 ` Thomas Huth
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