Messages in this thread | | | Date | Thu, 28 Dec 2006 14:56:06 +0200 | From | Avi Kivity <> | Subject | Re: [patch] kvm: fix GFP_KERNEL allocation in atomic section in kvm_dev_ioctl_create_vcpu() |
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Ingo Molnar wrote: > Subject: [patch] kvm: fix GFP_KERNEL allocation in atomic section in kvm_dev_ioctl_create_vcpu() > From: Ingo Molnar <mingo@elte.hu> > > fix a GFP_KERNEL allocation in atomic section bug: > kvm_dev_ioctl_create_vcpu() called kvm_mmu_init(), which calls > alloc_pages(), while holding the vcpu. The fix is to set up the MMU > state earlier, it does not require a loaded CPU state. >
Yes it does. It calls nonpaging_init_context() which calls vmx_set_cr3() which promptly trashes address space of the VM that previously ran on that vcpu (or, if there were none, logs a vmwrite error).
-- error compiling committee.c: too many arguments to function
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