Re: [PATCH] KVM: s390: Fix potential spectre warnings

Cornelia Huck
2019-04-18T08:02:02Z

On Wed, 17 Apr 2019 02:54:14 +0200
Eric Farman <farman@linux.ibm.com> wrote:

> Fix some warnings from smatch:
>
> arch/s390/kvm/interrupt.c:2310 get_io_adapter() warn: potential spectre issue 'kvm->arch.adapters' [r] (local cap)
> arch/s390/kvm/interrupt.c:2341 register_io_adapter() warn: potential spectre issue 'dev->kvm->arch.adapters' [w]
>
> Signed-off-by: Eric Farman <farman@linux.ibm.com>
> ---
> A recent patch from Paolo [1] acted as a reminder (thanks, Christian!)
> that I had one for the s390 KVM code after some code reviews [2].
> Let's clean that up.
>
> [1] https://patchwork.kernel.org/patch/10895463/
> [2] https://patchwork.kernel.org/patch/10788565/#22484223
> ---
> arch/s390/kvm/interrupt.c | 11 +++++++++--
> 1 file changed, 9 insertions(+), 2 deletions(-)

Reviewed-by: Cornelia Huck <cohuck@redhat.com>