diff options
Diffstat (limited to 'arch/i386/xen/enlighten.c')
| -rw-r--r-- | arch/i386/xen/enlighten.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/arch/i386/xen/enlighten.c b/arch/i386/xen/enlighten.c index a1124b7f1d14..031dc1dcf819 100644 --- a/arch/i386/xen/enlighten.c +++ b/arch/i386/xen/enlighten.c @@ -472,28 +472,38 @@ static void xen_apic_write(unsigned long reg, unsigned long val) static void xen_flush_tlb(void) { - struct mmuext_op op; + struct mmuext_op *op; + struct multicall_space mcs = xen_mc_entry(sizeof(*op)); - op.cmd = MMUEXT_TLB_FLUSH_LOCAL; - if (HYPERVISOR_mmuext_op(&op, 1, NULL, DOMID_SELF)) - BUG(); + op = mcs.args; + op->cmd = MMUEXT_TLB_FLUSH_LOCAL; + MULTI_mmuext_op(mcs.mc, op, 1, NULL, DOMID_SELF); + + xen_mc_issue(PARAVIRT_LAZY_MMU); } static void xen_flush_tlb_single(unsigned long addr) { - struct mmuext_op op; + struct mmuext_op *op; + struct multicall_space mcs = xen_mc_entry(sizeof(*op)); - op.cmd = MMUEXT_INVLPG_LOCAL; - op.arg1.linear_addr = addr & PAGE_MASK; - if (HYPERVISOR_mmuext_op(&op, 1, NULL, DOMID_SELF)) - BUG(); + op = mcs.args; + op->cmd = MMUEXT_INVLPG_LOCAL; + op->arg1.linear_addr = addr & PAGE_MASK; + MULTI_mmuext_op(mcs.mc, op, 1, NULL, DOMID_SELF); + + xen_mc_issue(PARAVIRT_LAZY_MMU); } static void xen_flush_tlb_others(const cpumask_t *cpus, struct mm_struct *mm, unsigned long va) { - struct mmuext_op op; + struct { + struct mmuext_op op; + cpumask_t mask; + } *args; cpumask_t cpumask = *cpus; + struct multicall_space mcs; /* * A couple of (to be removed) sanity checks: @@ -510,17 +520,21 @@ static void xen_flush_tlb_others(const cpumask_t *cpus, struct mm_struct *mm, if (cpus_empty(cpumask)) return; + mcs = xen_mc_entry(sizeof(*args)); + args = mcs.args; + args->mask = cpumask; + args->op.arg2.vcpumask = &args->mask; + if (va == TLB_FLUSH_ALL) { - op.cmd = MMUEXT_TLB_FLUSH_MULTI; - op.arg2.vcpumask = (void *)cpus; + args->op.cmd = MMUEXT_TLB_FLUSH_MULTI; } else { - op.cmd = MMUEXT_INVLPG_MULTI; - op.arg1.linear_addr = va; - op.arg2.vcpumask = (void *)cpus; + args->op.cmd = MMUEXT_INVLPG_MULTI; + args->op.arg1.linear_addr = va; } - if (HYPERVISOR_mmuext_op(&op, 1, NULL, DOMID_SELF)) - BUG(); + MULTI_mmuext_op(mcs.mc, &args->op, 1, NULL, DOMID_SELF); + + xen_mc_issue(PARAVIRT_LAZY_MMU); } static unsigned long xen_read_cr2(void) |