Re: [patch 2/3] x86: Add smp_mb() before sendingINVALIDATE_TLB_VECTOR

[Ingo Molnar]

* Suresh Siddha <suresh.b.siddha@xxxxxxxxx> wrote:

> On x86, x2apic mode accesses for sending IPI's don't have 
> serializing semantics. If the IPI receiver refers(in lock-free 
> fashion) to some memory setup by the sender, the need for smp_mb() 
> before sending the IPI becomes critical in x2apic mode.
> 
> Add the smp_mb() in native_flush_tlb_others() before sending the 
> IPI.
> 
> Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>

applied to tip/x86/urgent, thanks Suresh!

Jens, you'll send 1/3 and 3/3 to Linus, right?

	Ingo
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