Re: arm32: panic in move_freepages (Was [PATCH v2 0/4] arm64: drop pfn_valid_within() and simplify pfn_valid())

2021-05-08 Thread Mike Rapoport
On Fri, May 07, 2021 at 08:34:52PM +0800, Kefeng Wang wrote: > > > On 2021/5/7 18:30, Mike Rapoport wrote: > > On Fri, May 07, 2021 at 03:17:08PM +0800, Kefeng Wang wrote: > > > > > > On 2021/5/6 20:47, Kefeng Wang wrote: > > > > > > > > > > > > no, the CONFIG_ARM_LPAE is not set, and yes with

Re: [RFC 1/2] vfio/pci: keep the prefetchable attribute of a BAR region in VMA

2021-05-08 Thread Shanker R Donthineni
Hi Marc, On 5/5/21 1:02 PM, Catalin Marinas wrote: >>> Will/Catalin, perhaps you could explain your thought process on why you >>> chose >>> Normal NC for ioremap_wc on the armv8 linux port instead of Device GRE or >>> other >>> Device Gxx. >> I think a combination of: compatibility with 32-bit

Re: [PATCH] Revert "irqbypass: do not start cons/prod when failed connect"

2021-05-08 Thread Marc Zyngier
On Sat, 08 May 2021 08:11:52 +0100, Zhu Lingshan wrote: > > This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88. > > The reverted commit may cause VM freeze on arm64 platform. > Because on arm64 platform, stop a consumer will suspend the VM, > the VM will freeze without a start consumer

Re: Question on guest enable msi fail when using GICv4/4.1

2021-05-08 Thread Zhu, Lingshan
On 5/8/2021 9:51 AM, Jason Wang wrote: 在 2021/5/8 上午1:36, Marc Zyngier 写道: On Fri, 07 May 2021 12:02:57 +0100, Marc Zyngier wrote: On Fri, 07 May 2021 10:58:23 +0100, Shaokun Zhang wrote: Hi Marc, Thanks for your quick reply. On 2021/5/7 17:03, Marc Zyngier wrote: On Fri, 07 May 2021 0

[PATCH] Revert "irqbypass: do not start cons/prod when failed connect"

2021-05-08 Thread Zhu Lingshan
This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88. The reverted commit may cause VM freeze on arm64 platform. Because on arm64 platform, stop a consumer will suspend the VM, the VM will freeze without a start consumer Signed-off-by: Zhu Lingshan --- virt/lib/irqbypass.c | 16 ++--

Re: Question on guest enable msi fail when using GICv4/4.1

2021-05-08 Thread Jason Wang
在 2021/5/8 上午1:36, Marc Zyngier 写道: On Fri, 07 May 2021 12:02:57 +0100, Marc Zyngier wrote: On Fri, 07 May 2021 10:58:23 +0100, Shaokun Zhang wrote: Hi Marc, Thanks for your quick reply. On 2021/5/7 17:03, Marc Zyngier wrote: On Fri, 07 May 2021 06:57:04 +0100, Shaokun Zhang wrote: [Thi

Re: Question on guest enable msi fail when using GICv4/4.1

2021-05-08 Thread Marc Zyngier
On Sat, 08 May 2021 02:51:39 +0100, Jason Wang wrote: > > > 在 2021/5/8 上午1:36, Marc Zyngier 写道: [...] > > Adding Zhu, Jason, MST to the party. It all seems to be caused by this > > commit: > > > > commit a979a6aa009f3c99689432e0cdb5402a4463fb88 > > Author: Zhu Lingshan > > Date: Fri Jul 31

Re: [PATCH] Revert "irqbypass: do not start cons/prod when failed connect"

2021-05-08 Thread Greg KH
On Sat, May 08, 2021 at 03:11:52PM +0800, Zhu Lingshan wrote: > This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88. > > The reverted commit may cause VM freeze on arm64 platform. > Because on arm64 platform, stop a consumer will suspend the VM, > the VM will freeze without a start consum