James Hogan a31b50d741 KVM: MIPS/MMU: Invalidate GVA PTs on ASID changes ... Implement invalidation of large ranges of virtual addresses from GVA page tables in response to a guest ASID change (immediately for guest kernel page table, lazily for guest user page table). We iterate through a range of page tables invalidating entries and freeing fully invalidated tables. To minimise overhead the exact ranges invalidated depends on the flags argument to kvm_mips_flush_gva_pt(), which also allows it to be used in future KVM_CAP_SYNC_MMU patches in response to GPA changes, which unlike guest TLB mapping changes affects guest KSeg0 mappings. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org		2017-02-03 15:20:55 +00:00
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asm	KVM: MIPS/MMU: Invalidate GVA PTs on ASID changes	2017-02-03 15:20:55 +00:00
uapi/asm	tcp: SOF_TIMESTAMPING_OPT_STATS option for SO_TIMESTAMPING	2016-11-30 10:04:25 -05:00