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Re: [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI d
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode |
Date: |
Sat, 31 Jul 2010 16:19:44 +0200 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Sat, Jul 31, 2010 at 11:16:45AM +0200, Jes Sorensen wrote:
> On 07/30/10 23:08, Aurelien Jarno wrote:
> > On Fri, Jul 23, 2010 at 05:56:38PM +0200, address@hidden wrote:
> >> From: Jes Sorensen <address@hidden>
> >>
> >> pc-0.11 and older uses fw_cfg to provide option ROMs. As fw_cfg is setup
> >> at init time, it is not possible to load an option ROM for a hotplug
> >> device when running in compat mode.
> >>
> >> v2: Alex Williamson pointed out that one can get to qdev directly from
> >> pci_dev, so no need to pass it down.
> >>
> >> Signed-off-by: Jes Sorensen <address@hidden>
> >> ---
> >> hw/pci.c | 8 ++++++--
> >> 1 files changed, 6 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/hw/pci.c b/hw/pci.c
> >> index a98d6f3..2d38643 100644
> >> --- a/hw/pci.c
> >> +++ b/hw/pci.c
> >> @@ -1810,11 +1810,15 @@ static int pci_add_option_rom(PCIDevice *pdev)
> >> return 0;
> >>
> >> if (!pdev->rom_bar) {
> >> + int class;
> >> /*
> >> * Load rom via fw_cfg instead of creating a rom bar,
> >> - * for 0.11 compatibility.
> >> + * for 0.11 compatibility. fw_cfg is initialized at boot, so
> >> + * we cannot do hotplug load of option roms.
> >> */
> >> - int class = pci_get_word(pdev->config + PCI_CLASS_DEVICE);
> >> + if (pdev->qdev.hotplugged)
> >> + return 0;
> >
> > Missing braces around the return 0 line.
>
> Half the QEMU code base doesn't have braces around single line if
> statements, including in hw/pci.c. Adding braces here would be inconsistent.
>
If we follow the coding style in new patches, it will eventually become
consistent.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
address@hidden http://www.aurel32.net
- [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode, Jes . Sorensen, 2010/07/23
- [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode, Jes . Sorensen, 2010/07/23
- Re: [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode, Aurelien Jarno, 2010/07/30
- Re: [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode, Jes Sorensen, 2010/07/31
- Re: [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode,
Aurelien Jarno <=
- Re: [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode, Jes Sorensen, 2010/07/31
- Re: [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode, Aurelien Jarno, 2010/07/31
- Re: [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode, Jes Sorensen, 2010/07/31
- Re: [Qemu-devel] [PATCH] Do not try loading option ROM for hotplug PCI device in pc-0.11 compat mode, Aurelien Jarno, 2010/07/31