diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_xive_native.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_xive_native.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c index 6ef0151ff70a..bdea91df1497 100644 --- a/arch/powerpc/kvm/book3s_xive_native.c +++ b/arch/powerpc/kvm/book3s_xive_native.c @@ -31,6 +31,12 @@ static u8 xive_vm_esb_load(struct xive_irq_data *xd, u32 offset) { u64 val; + /* + * The KVM XIVE native device does not use the XIVE_ESB_SET_PQ_10 + * load operation, so there is no need to enforce load-after-store + * ordering. + */ + if (xd->flags & XIVE_IRQ_FLAG_SHIFT_BUG) offset |= offset << 4; |