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authorSanjay Lal <sanjayl@kymasys.com>2012-11-21 18:34:11 -0800
committerRalf Baechle <ralf@linux-mips.org>2013-05-08 03:55:36 +0200
commitf9afbd45b0d04e4e1f9bff0b9309f61bfd28491c (patch)
treec2a47ceb77a9280920b0be14965e926c39557adb
parentf2e3656d23b7e2465da22966feef6170e9b28b2b (diff)
downloadop-kernel-dev-f9afbd45b0d04e4e1f9bff0b9309f61bfd28491c.zip
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MIPS: If KVM is enabled then use the KVM specific routine to flush the TLBs on a ASID wrap.
Signed-off-by: Sanjay Lal <sanjayl@kymasys.com> Cc: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/include/asm/mmu_context.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h
index e81d719..c42562d 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -106,15 +106,21 @@ 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 */
+#else
local_flush_tlb_all(); /* start new asid cycle */
+#endif
if (!asid) /* fix version if needed */
asid = ASID_FIRST_VERSION;
}
+
cpu_context(cpu, mm) = asid_cache(cpu) = asid;
}
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