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authorIngo Molnar <mingo@kernel.org>2012-12-08 14:25:06 (GMT)
committerIngo Molnar <mingo@kernel.org>2012-12-08 14:25:06 (GMT)
commitf0b9abfb044649bc452fb2fb975ff2fd599cc6a3 (patch)
tree7800081c5cb16a4dfee1e57a70f3be90f7b50d9a /arch/x86/xen/mmu.c
parentadc1ef1e37358d3c17d1a74a58b2e104fc0bda15 (diff)
parent1b3c393cd43f22ead8a6a2f839efc6df8ebd7465 (diff)
downloadlinux-fsl-qoriq-f0b9abfb044649bc452fb2fb975ff2fd599cc6a3.tar.xz
Merge branch 'linus' into perf/core
Conflicts: tools/perf/Makefile tools/perf/builtin-test.c tools/perf/perf.h tools/perf/tests/parse-events.c tools/perf/util/evsel.h Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/xen/mmu.c')
-rw-r--r--arch/x86/xen/mmu.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 6226c99..dcf5f2d 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1288,6 +1288,25 @@ unsigned long xen_read_cr2_direct(void)
return this_cpu_read(xen_vcpu_info.arch.cr2);
}
+void xen_flush_tlb_all(void)
+{
+ struct mmuext_op *op;
+ struct multicall_space mcs;
+
+ trace_xen_mmu_flush_tlb_all(0);
+
+ preempt_disable();
+
+ mcs = xen_mc_entry(sizeof(*op));
+
+ op = mcs.args;
+ op->cmd = MMUEXT_TLB_FLUSH_ALL;
+ MULTI_mmuext_op(mcs.mc, op, 1, NULL, DOMID_SELF);
+
+ xen_mc_issue(PARAVIRT_LAZY_MMU);
+
+ preempt_enable();
+}
static void xen_flush_tlb(void)
{
struct mmuext_op *op;
@@ -2518,7 +2537,7 @@ int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
err = 0;
out:
- flush_tlb_all();
+ xen_flush_tlb_all();
return err;
}