Hi Mark,
On 03/04/18 17:49, Mark Rutland wrote:
> On Thu, Mar 29, 2018 at 04:27:58PM +0100, Mark Rutland wrote:
>> On Thu, Mar 29, 2018 at 11:00:24PM +0800, Shannon Zhao wrote:
>>> From: zhaoshenglong
>>>
>>> Currently the VMID for some VM is allocated during VCPU entry/exit
>>> context and will
native KVM crashes on -RT:
|[ cut here ]
|kernel BUG virt/kvm/arm/arm.c:82!
|Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
|Modules linked in:
|CPU: 3 PID: 1527 Comm: qemu-system-aar Tainted: GW 4.14.29-rt25+
#48
|Hardware name: Freescale Layerscape 2088A RDB
On 04/03/2018 05:59 PM, Andrey Konovalov wrote:
>>
>>
>>> void check_memory_region(unsigned long addr, size_t size, bool write,
>>> unsigned long ret_ip)
>>> {
>>> + u8 tag;
>>> + u8 *shadow_first, *shadow_last, *shadow;
>>> + void *untagged_addr;
>>> +
On 2018-04-04 15:50:52 [+0200], To kvmarm@lists.cs.columbia.edu wrote:
already applied as
5a2457503297 ("KVM: arm/arm64: Remove redundant preemptible checks")
Sebastian
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On 03/04/18 17:49, Mark Rutland wrote:
> On Thu, Mar 29, 2018 at 04:27:58PM +0100, Mark Rutland wrote:
>> On Thu, Mar 29, 2018 at 11:00:24PM +0800, Shannon Zhao wrote:
>>> From: zhaoshenglong
>>>
>>> Currently the VMID for some VM is allocated during VCPU entry/exit
>>> context and will be updated
On Wed, Apr 4, 2018 at 2:39 PM, Andrey Ryabinin wrote:
>>>
>>> You can save tag somewhere in page struct and make page_address() return
>>> tagged address.
>>>
>>> I'm not sure it might be even possible to squeeze the tag into page->flags
>>> on some configurations,
>>> see include/linux/page-fl
