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Re: [Qemu-devel] [PATCH] msi: remove return code for msi_init()
From: |
Paul Burton |
Subject: |
Re: [Qemu-devel] [PATCH] msi: remove return code for msi_init() |
Date: |
Thu, 1 Jun 2017 15:06:29 -0700 |
Hi Aurelien/Paolo/Marcel,
On Thursday, 1 June 2017 12:22:06 PDT Aurelien Jarno wrote:
> On 2017-06-01 16:23, Paolo Bonzini wrote:
> > On 01/06/2017 10:27, Marcel Apfelbaum wrote:
> > > On 31/05/2017 11:28, Paolo Bonzini wrote:
> > >> No, for now I'd rather just go and remove msi_nonbroken. When someone
> > >> reports a bug, we can add back "msi_broken".
> > >
> > > Hi,
> > > I agree with the direction, but I am concerned msi_nonbroken is there
> > > for a reason.
> > > We might break some (obscure/not in use) machine.
> > > Maybe we should CC all arch machine maintainers/contributors to give
> > > them a chance to object...
> >
> > Yeah, Alpha, MIPS and SH are those that support PCI. Adding Richard and
> > Aurelien, do your platforms support MSI on real hardware but not in QEMU?
>
> SH clearly doesn't support MSI.
>
> The oldest MIPS board also do not support MSI, but I guess the Boston
> board might support it. I am adding Paul Burton in Cc: who probably
> knows about that.
>
> Aurelien
Indeed, real Boston hardware does support MSI (or rather, the Xilinx AXI
Bridge for PCI Express IP used on Boston does) & we make use of it in Linux.
Thanks,
Paul
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