Re: [PATCH 28/29] KVM: VMX: Make the vCPU-run asm routine callable from C

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 18/01/19 22:20, Sean Christopherson wrote:
> ...and of course actually call it from C now that the assembly code is
> in a dedicated sub-routine and has been cleansed of any quirks that
> would break compliance with the kernel's x86 calling conventions.

I'm not sure about removing the clobbering.  If the stack is outside L1,
could this lead to speculative execution with the guest values in the
registers?

No problem with patches 1-26 though.

Paolo



[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux