Messages in this thread Patch in this message | | | Date | Mon, 10 Aug 2009 21:53:02 +0300 | From | "Michael S. Tsirkin" <> | Subject | [PATCH 1/2] export cpu_tlbstate to modules |
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vhost net module wants to do copy to/from user from a kernel thread, which needs switch_mm (like what fs/aio has). export cpu_tlbstate to make this possible
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- arch/x86/mm/tlb.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 821e970..e33a5f0 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -13,6 +13,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = { &init_mm, 0, }; +EXPORT_PER_CPU_SYMBOL_GPL(cpu_tlbstate); /* * Smarter SMP flushing macros. -- 1.6.2.5
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