Re: Potential bug in TDP MMU

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On 11/30/21 12:43, Ignat Korchagin wrote:
I have also noticed another new warning, when running this on the
kernel from kvm.git branch:

[   70.284354][ T2928] WARNING: CPU: 4 PID: 2928 at
arch/x86/kvm/x86.c:9886 kvm_arch_vcpu_ioctl_run+0x126c/0x17d0
[   70.284354][ T2928] Modules linked in:
[   70.284354][ T2928] CPU: 4 PID: 2928 Comm: exe Not tainted 5.16.0-rc2 #2
[   70.284354][ T2928] Hardware name: QEMU Standard PC (Q35 + ICH9,
2009), BIOS 0.0.0 02/06/2015
[   70.284354][ T2928] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x126c/0x17d0
[   70.284354][ T2928] Code: 49 89 b7 f8 01 00 00 e9 8e ee ff ff 49 8b
87 80 00 00 00 45 31 e4 c7 40 08 07 00 00 00 49 83 87 b8 20 00 00 01
e9 35 f2 ff ff <0f> 0b 4c 89 ff e8 ea 72 03 00 83 f8 01 41 89 c4 0f 85
47 f9 ff ff

Can you check which line of the source this is?

Paolo



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