On Fri, Oct 08, 2010 at 05:25:01PM -0300, Marcelo Tosatti wrote:
> On Fri, Oct 08, 2010 at 04:24:15PM +0800, Huang Ying wrote:
> > Originally, SRAR SIGBUS is sent to QEMU-KVM via touching the poisoned
> > page. But commit 96054569190bdec375fe824e48ca1f4e3b53dd36 prevents the
> > signal from being sent. So now the signal is sent via
> > force_sig_info_fault directly.
> >
> > Reported-by: Dean Nelson <dnelson@xxxxxxxxxx>
> > Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
> > ---
> > arch/x86/include/asm/signal.h | 3 +++
> > arch/x86/kvm/mmu.c | 15 +++------------
> > arch/x86/mm/fault.c | 6 +++---
> > 3 files changed, 9 insertions(+), 15 deletions(-)
> >
> > static int kvm_handle_bad_page(struct kvm *kvm, gfn_t gfn, pfn_t pfn)
> > {
> > kvm_release_pfn_clean(pfn);
> > if (is_hwpoison_pfn(pfn)) {
> > - kvm_send_hwpoison_signal(kvm, gfn);
> > + force_sig_info_fault(SIGBUS, BUS_MCEERR_AR,
> > + gfn_to_hva(kvm, gfn), current);
> > return 0;
> > } else if (is_fault_pfn(pfn))
> > return -EFAULT;
>
> Better fill siginfo and use force_sig_info, which is already exported.
Thats wrong, its not exported. But there is no need to force delivery,
so i've changed it to use send_sig_info.
Applied the other patches, thanks.
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
