Re: [PATCH v2 06/11] cputlb: ensure we save the IOTLB data in case of reset

2020-07-18 Thread Emilio G. Cota
On Mon, Jul 13, 2020 at 21:04:10 +0100, Alex Bennée wrote: > Any write to a device might cause a re-arrangement of memory > triggering a TLB flush and potential re-size of the TLB invalidating > previous entries. This would cause users of qemu_plugin_get_hwaddr() > to see the warning: > > invali

Re: [PATCH v2 06/11] cputlb: ensure we save the IOTLB data in case of reset

2020-07-13 Thread Richard Henderson
On 7/13/20 1:04 PM, Alex Bennée wrote: > Any write to a device might cause a re-arrangement of memory > triggering a TLB flush and potential re-size of the TLB invalidating > previous entries. This would cause users of qemu_plugin_get_hwaddr() > to see the warning: > > invalid use of qemu_plugin

[PATCH v2 06/11] cputlb: ensure we save the IOTLB data in case of reset

2020-07-13 Thread Alex Bennée
Any write to a device might cause a re-arrangement of memory triggering a TLB flush and potential re-size of the TLB invalidating previous entries. This would cause users of qemu_plugin_get_hwaddr() to see the warning: invalid use of qemu_plugin_get_hwaddr because of the failed tlb_lookup which