This is a note to let you know that I have just added a patch titled
KVM: MIPS: Don't leak FPU/DSP to guest
to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-q
This is a note to let you know that I have just added a patch titled
KVM: MIPS: Don't leak FPU/DSP to guest
to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.16.y-q
On Tue, Feb 10, 2015 at 09:01:07AM +0100, Paolo Bonzini wrote:
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> On 09/02/2015 23:58, James Hogan wrote:
> >> First lets save and disable the FPU (and MSA) state with
> >> lose_fpu(1)
> >
> > Please don't apply this patch yet. lose_fpu() u
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On 09/02/2015 23:58, James Hogan wrote:
>> First lets save and disable the FPU (and MSA) state with
>> lose_fpu(1)
>
> Please don't apply this patch yet. lose_fpu() uses function
> symbols which aren't exported for modules to use yet, so that'll
> n
Hi Paolo,
On Wed, Feb 04, 2015 at 05:06:37PM +, James Hogan wrote:
> The FPU and DSP are enabled via the CP0 Status CU1 and MX bits by
> kvm_mips_set_c0_status() on a guest exit, presumably in case there is
> active state that needs saving if pre-emption occurs. However neither of
> these bits
The FPU and DSP are enabled via the CP0 Status CU1 and MX bits by
kvm_mips_set_c0_status() on a guest exit, presumably in case there is
active state that needs saving if pre-emption occurs. However neither of
these bits are cleared again when returning to the guest.
This effectively gives the gues
