Re: [PATCH v5 05/11] vfio: Avoid inspecting option QDict for rombar

2024-02-18 Thread Michael S. Tsirkin
On Sun, Feb 18, 2024 at 01:56:10PM +0900, Akihiko Odaki wrote:
> Use pci_rom_bar_explicitly_enabled() to determine if rombar is explicitly
> enabled.
> 
> Signed-off-by: Akihiko Odaki 


I see little point in all this reworks: QDict lookups are
robust. But if Alex wants this change, I won't oppose it.
Alex?

> ---
>  hw/vfio/pci.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
> index 4fa387f0430d..647f15b2a060 100644
> --- a/hw/vfio/pci.c
> +++ b/hw/vfio/pci.c
> @@ -1012,7 +1012,6 @@ static void vfio_pci_size_rom(VFIOPCIDevice *vdev)
>  {
>  uint32_t orig, size = cpu_to_le32((uint32_t)PCI_ROM_ADDRESS_MASK);
>  off_t offset = vdev->config_offset + PCI_ROM_ADDRESS;
> -DeviceState *dev = DEVICE(vdev);
>  char *name;
>  int fd = vdev->vbasedev.fd;
>  
> @@ -1046,7 +1045,7 @@ static void vfio_pci_size_rom(VFIOPCIDevice *vdev)
>  }
>  
>  if (vfio_opt_rom_in_denylist(vdev)) {
> -if (dev->opts && qdict_haskey(dev->opts, "rombar")) {
> +if (pci_rom_bar_explicitly_enabled(>pdev)) {
>  warn_report("Device at %s is known to cause system instability"
>  " issues during option rom execution",
>  vdev->vbasedev.name);
> 
> -- 
> 2.43.1




[PATCH v5 05/11] vfio: Avoid inspecting option QDict for rombar

2024-02-17 Thread Akihiko Odaki
Use pci_rom_bar_explicitly_enabled() to determine if rombar is explicitly
enabled.

Signed-off-by: Akihiko Odaki 
---
 hw/vfio/pci.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 4fa387f0430d..647f15b2a060 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -1012,7 +1012,6 @@ static void vfio_pci_size_rom(VFIOPCIDevice *vdev)
 {
 uint32_t orig, size = cpu_to_le32((uint32_t)PCI_ROM_ADDRESS_MASK);
 off_t offset = vdev->config_offset + PCI_ROM_ADDRESS;
-DeviceState *dev = DEVICE(vdev);
 char *name;
 int fd = vdev->vbasedev.fd;
 
@@ -1046,7 +1045,7 @@ static void vfio_pci_size_rom(VFIOPCIDevice *vdev)
 }
 
 if (vfio_opt_rom_in_denylist(vdev)) {
-if (dev->opts && qdict_haskey(dev->opts, "rombar")) {
+if (pci_rom_bar_explicitly_enabled(>pdev)) {
 warn_report("Device at %s is known to cause system instability"
 " issues during option rom execution",
 vdev->vbasedev.name);

-- 
2.43.1