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Re: [Qemu-devel] [PATCH v4 3/3] target-ppc: tlbie/tlbivax should have gl
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [PATCH v4 3/3] target-ppc: tlbie/tlbivax should have global effect |
Date: |
Thu, 15 Sep 2016 11:48:13 +1000 |
User-agent: |
Mutt/1.7.0 (2016-08-17) |
On Thu, Sep 15, 2016 at 11:41:01AM +1000, Benjamin Herrenschmidt wrote:
> On Thu, 2016-09-15 at 10:25 +1000, David Gibson wrote:
> > > void helper_booke206_tlbivax(CPUPPCState *env, target_ulong
> > address)
> > > {
> > > - PowerPCCPU *cpu = ppc_env_get_cpu(env);
> > > + CPUState *cs;
> > >
> > > if (address & 0x4) {
> > > /* flush all entries */
> > > @@ -2774,11 +2774,15 @@ void helper_booke206_tlbivax(CPUPPCState
> > *env, target_ulong address)
> > > if (address & 0x8) {
> > > /* flush TLB1 entries */
> > > booke206_invalidate_ea_tlb(env, 1, address);
> > > - tlb_flush(CPU(cpu), 1);
> > > + CPU_FOREACH(cs) {
> > > + tlb_flush(cs, 1);
> > > + }
> > > } else {
> > > /* flush TLB0 entries */
> > > booke206_invalidate_ea_tlb(env, 0, address);
> > > - tlb_flush_page(CPU(cpu), address & MAS2_EPN_MASK);
> > > + CPU_FOREACH(cs) {
> > > + tlb_flush_page(cs, address & MAS2_EPN_MASK);
> > > + }
> >
> > Why are these explicit CPU_FOREACH()s instead of using the flags
> > you've just bui
>
> Because we haven't converted BookE to lazy TLB flushing yet...
Ah, right.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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