Re: [Qemu-devel] [PATCH] spapr_pci: Fix config space corruption

2014-08-27 Thread Alexander Graf
On 13.08.14 09:20, Alexey Kardashevskiy wrote: When disabling MSI/MSIX via ibm,change-msi RTAS call, no check was made if MSI or MSIX is actually supported and the MSI message was reset unconditionally. If this happened on a device which does not support MSI (but does support MSIX, otherwise

Re: [Qemu-devel] [PATCH] spapr_pci: Fix config space corruption

2014-08-26 Thread Alexey Kardashevskiy
On 08/13/2014 05:20 PM, Alexey Kardashevskiy wrote: When disabling MSI/MSIX via ibm,change-msi RTAS call, no check was made if MSI or MSIX is actually supported and the MSI message was reset unconditionally. If this happened on a device which does not support MSI (but does support MSIX,

[Qemu-devel] [PATCH] spapr_pci: Fix config space corruption

2014-08-13 Thread Alexey Kardashevskiy
When disabling MSI/MSIX via ibm,change-msi RTAS call, no check was made if MSI or MSIX is actually supported and the MSI message was reset unconditionally. If this happened on a device which does not support MSI (but does support MSIX, otherwise ibm,change-msi would not be called), this device