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Re: [PATCH 15/20] MIPS: If KVM is enabled then use the KVM specific rout

To: Sanjay Lal <sanjayl@kymasys.com>
Subject: Re: [PATCH 15/20] MIPS: If KVM is enabled then use the KVM specific routine to flush the TLBs on a ASID wrap
From: Sergei Shtylyov <sshtylyov@mvista.com>
Date: Thu, 01 Nov 2012 16:08:14 +0400
Cc: kvm@vger.kernel.org, linux-mips@linux-mips.org
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Hello.

On 31-10-2012 19:20, Sanjay Lal wrote:

Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
---
  arch/mips/include/asm/mmu_context.h | 6 ++++++
  1 file changed, 6 insertions(+)

diff --git a/arch/mips/include/asm/mmu_context.h 
b/arch/mips/include/asm/mmu_context.h
index 9b02cfb..9c7024c 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -112,15 +112,21 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, 
struct task_struct *tsk)
  static inline void
  get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
  {
+    extern void kvm_local_flush_tlb_all(void);
        unsigned long asid = asid_cache(cpu);

        if (! ((asid += ASID_INC) & ASID_MASK) ) {
                if (cpu_has_vtag_icache)
                        flush_icache_all();
+#ifdef CONFIG_VIRTUALIZATION
+        kvm_local_flush_tlb_all();      /* start new asid cycle */

   Please use tabs to indent the code, not spaces.

WBR, Sergei


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