RE: [PATCH v2 1/2] Fix undefined behaviour

2020-04-29 Thread Paul Durrant
> Perard ; Paul Durrant ; > xen-de...@lists.xenproject.org > Subject: [PATCH v2 1/2] Fix undefined behaviour > > This patch fixes qemu crashes when passing through an IGD device to HVM > guests under XEN. The problem > is that on almost every laptop > reading the IGD ROM fro

[PATCH v2 1/2] Fix undefined behaviour

2020-04-28 Thread Grzegorz Uriasz
This patch fixes qemu crashes when passing through an IGD device to HVM guests under XEN. The problem is that on almost every laptop reading the IGD ROM from SYSFS will fail, the reason for it is that the IGD rom is polymorphic and it modifies itself during bootup - this results in an invalid rom