Re: [PATCH v6 14/22] dma-buf: Introduce new locking convention

2022-05-29 Thread Christian König via Virtualization
Hi Dmitry, First of all please separate out this patch from the rest of the series, since this is a complex separate structural change. Am 27.05.22 um 01:50 schrieb Dmitry Osipenko: All dma-bufs have dma-reservation lock that allows drivers to perform exclusive operations over shared dma-bufs

Re: [PATCH 2/3] mm/memory-failure.c: support reset PTE during unpoison

2022-05-29 Thread David Hildenbrand
On 20.05.22 09:06, zhenwei pi wrote: > Origianlly, unpoison_memory() is only used by hwpoison-inject, and > unpoisons a page which is poisoned by hwpoison-inject too. The kernel PTE > entry has no change during software poison/unpoison. > > On a virtualization platform, it's possible to fix hardwa

Re: Re: [PATCH 2/3] mm/memory-failure.c: support reset PTE during unpoison

2022-05-29 Thread zhenwei pi
On 5/30/22 13:02, HORIGUCHI NAOYA(堀口 直也) wrote: On Fri, May 20, 2022 at 03:06:47PM +0800, zhenwei pi wrote: Origianlly, unpoison_memory() is only used by hwpoison-inject, and unpoisons a page which is poisoned by hwpoison-inject too. The kernel PTE entry has no change during software poison/un

Re: [PATCH V6 9/9] virtio: use WARN_ON() to warning illegal status value

2022-05-29 Thread Jason Wang
On Fri, May 27, 2022 at 6:50 PM Michael S. Tsirkin wrote: > > At a minimum, I don't see why it's part of the series. Host can always > crash the guest if it wants to ... Probably not with some recent technology. In those cases, a fault will be generated if the hypervisor tries to access the memor

Re: [PATCH v4 0/4] Implement vdpasim stop operation

2022-05-29 Thread Jason Wang
On Fri, May 27, 2022 at 6:56 PM Michael S. Tsirkin wrote: > > On Thu, May 26, 2022 at 12:54:32PM +, Parav Pandit wrote: > > > > > > > From: Eugenio Pérez > > > Sent: Thursday, May 26, 2022 8:44 AM > > > > > Implement stop operation for vdpa_sim devices, so vhost-vdpa will offer > > > > > > th