Bharat Bhushan 40fde70d0d kvm: ppc: booke: check range page invalidation progress on page setup ... When the MM code is invalidating a range of pages, it calls the KVM kvm_mmu_notifier_invalidate_range_start() notifier function, which calls kvm_unmap_hva_range(), which arranges to flush all the TLBs for guest pages. However, the Linux PTEs for the range being flushed are still valid at that point. We are not supposed to establish any new references to pages in the range until the ...range_end() notifier gets called. The PPC-specific KVM code doesn't get any explicit notification of that; instead, we are supposed to use mmu_notifier_retry() to test whether we are or have been inside a range flush notifier pair while we have been referencing a page. This patch calls the mmu_notifier_retry() while mapping the guest page to ensure we are not referencing a page when in range invalidation. This call is inside a region locked with kvm->mmu_lock, which is the same lock that is called by the KVM MMU notifier functions, thus ensuring that no new notification can proceed while we are in the locked region. Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com> Acked-by: Alexander Graf <agraf@suse.de> [Backported to 3.12 - Paolo] Reviewed-by: Bharat Bhushan <bharat.bhushan@freescale.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2013-10-10 11:40:08 +02:00
..
44x_emulate.c	KVM: PPC: 44x: fix DCR read/write	2012-10-30 10:54:50 +01:00
44x_tlb.c	kvm/ppc/booke: Hold srcu lock when calling gfn functions	2013-06-11 11:10:59 +03:00
44x_tlb.h	KVM: ppc: rename 44x MMU functions used in booke.c	2009-03-24 11:02:56 +02:00
44x.c	KVM: PPC: Book3E: Refactor ONE_REG ioctl implementation	2013-04-26 20:27:05 +02:00
book3s_32_mmu_host.c	KVM: do not treat noslot pfn as a error pfn	2012-10-29 20:31:04 -02:00
book3s_32_mmu.c	KVM: PPC: Put segment registers in shared page	2010-10-24 10:52:11 +02:00
book3s_32_sr.S	KVM: PPC: book3s_pr: Simplify transitions between virtual and real mode	2011-09-25 19:52:29 +03:00
book3s_64_mmu_host.c	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2013-07-04 10:29:23 -07:00
book3s_64_mmu_hv.c	Merge branch 'kvm-ppc-next' of git://github.com/agraf/linux-2.6 into queue	2013-08-30 15:33:11 +03:00
book3s_64_mmu.c	KVM: PPC: Book3S PR: Rework kvmppc_mmu_book3s_64_xlate()	2013-08-29 00:05:50 +02:00
book3s_64_slb.S	powerpc: Fix little endian lppaca, slb_shadow and dtl_entry	2013-08-14 15:33:35 +10:00
book3s_64_vio_hv.c	kvm/book3s: Make kernel emulated H_PUT_TCE available for "PR" KVM	2012-05-06 16:19:11 +02:00
book3s_64_vio.c	ppc: kvm: use anon_inode_getfd() with O_CLOEXEC flag	2013-08-26 13:19:56 +03:00
book3s_emulate.c	KVM: PPC: Book3S: Ignore DABR register	2013-07-08 16:18:20 +02:00
book3s_exports.c	KVM: PPC: Book3S PR: Fix VSX handling	2012-12-06 01:34:02 +01:00
book3s_hv_builtin.c	powerpc/kvm: Contiguous memory allocator based RMA allocation	2013-07-08 16:20:20 +02:00
book3s_hv_cma.c	powerpc/kvm: Use 256K chunk to track both RMA and hash page table allocation.	2013-07-08 16:21:13 +02:00
book3s_hv_cma.h	powerpc/kvm: Use 256K chunk to track both RMA and hash page table allocation.	2013-07-08 16:21:13 +02:00
book3s_hv_interrupts.S	powerpc: Fix build errors with UP configs in HV-style KVM	2013-04-18 13:03:57 +10:00
book3s_hv_ras.c	KVM: PPC: Book3S HV: Fix compilation without CONFIG_PPC_POWERNV	2013-01-06 14:02:00 +01:00
book3s_hv_rm_mmu.c	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2013-09-06 10:49:42 -07:00
book3s_hv_rm_xics.c	KVM: PPC: Book3S HV: Add support for real mode ICP in XICS emulation	2013-04-26 20:27:32 +02:00
book3s_hv_rmhandlers.S	KVM: PPC: Book3S HV: Fix typo in saving DSCR	2013-10-10 11:40:07 +02:00
book3s_hv.c	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2013-09-06 10:49:42 -07:00
book3s_interrupts.S	KVM: PPC: Book3S PR: Load up SPRG3 register with guest value on guest entry	2013-07-25 15:33:09 +02:00
book3s_mmu_hpte.c	hlist: drop the node parameter from iterators	2013-02-27 19:10:24 -08:00
book3s_paired_singles.c	powerpc/kvm: Fallout from system.h disintegration	2012-04-02 14:00:04 +10:00
book3s_pr_papr.c	powerpc/kvm/book3s: Add support for H_IPOLL and H_XIRR_X in XICS emulation	2013-06-01 08:29:27 +10:00
book3s_pr.c	KVM: PPC: Book3S PR: Make instruction fetch fallback work for system calls	2013-08-28 16:47:49 +02:00
book3s_rmhandlers.S	KVM: PPC: Book3S PR: Fix VSX handling	2012-12-06 01:34:02 +01:00
book3s_rtas.c	KVM: PPC: Book3S: Add support for ibm,int-on/off RTAS calls	2013-04-26 20:27:33 +02:00
book3s_segment.S	powerpc: Move and fix MTMSR_EERI definition	2012-07-10 19:18:08 +10:00
book3s_xics.c	KVM: PPC: Book3S: Fix compile error in XICS emulation	2013-08-28 16:28:47 +02:00
book3s_xics.h	KVM: PPC: Book3S: Add API for in-kernel XICS emulation	2013-05-02 15:28:36 +02:00
book3s.c	KVM: PPC: Book3S: Facilities to save/restore XICS presentation ctrler state	2013-04-26 20:27:34 +02:00
booke_emulate.c	KVM: PPC: BookE: Emulate mfspr on EPR	2013-01-10 13:42:30 +01:00
booke_interrupts.S	KVM: PPC: booke: Added debug handler	2013-03-22 01:21:09 +01:00
booke.c	kvm/ppc/booke: Don't call kvm_guest_enter twice	2013-07-11 00:58:49 +02:00
booke.h	KVM: PPC: booke: Allow multiple exception types	2013-02-13 12:56:40 +01:00
bookehv_interrupts.S	KVM: PPC: bookehv64: Add support for interrupt handling	2012-12-06 01:34:11 +01:00
e500_emulate.c	KVM: PPC: e500: Add support for EPTCFG register	2013-04-26 20:27:08 +02:00
e500_mmu_host.c	kvm: ppc: booke: check range page invalidation progress on page setup	2013-10-10 11:40:08 +02:00
e500_mmu_host.h	KVM: PPC: E500: Make clear_tlb_refs and clear_tlb1_bitmap static	2013-01-24 19:23:33 +01:00
e500_mmu.c	kvm/ppc/booke: Hold srcu lock when calling gfn functions	2013-06-11 11:10:59 +03:00
e500.c	KVM: PPC: e500: Expose MMU registers via ONE_REG	2013-04-26 20:27:06 +02:00
e500.h	KVM: PPC: e500: Add support for TLBnPS registers	2013-04-26 20:27:07 +02:00
e500mc.c	kvm/ppc/booke64: Disable e6500 support	2013-06-11 11:10:56 +03:00
emulate.c	powerpc: Move opcode definitions from kvm/emulate.c to asm/ppc-opcode.h	2013-07-30 15:50:07 -05:00
fpu.S	powerpc: Remove fpscr use from [kvm_]cvt_{fd,df}	2010-09-02 14:07:32 +10:00
irq.h	KVM: PPC: Book3S: Add API for in-kernel XICS emulation	2013-05-02 15:28:36 +02:00
Kconfig	powerpc/kvm: Contiguous memory allocator based hash page table allocation	2013-07-08 16:19:58 +02:00
Makefile	powerpc/kvm: Contiguous memory allocator based hash page table allocation	2013-07-08 16:19:58 +02:00
mpic.c	kvm/ppc/mpic: fix missing unlock in set_base_addr()	2013-05-02 15:28:35 +02:00
powerpc.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-09-05 08:50:26 -07:00
timing.c	KVM: PPC: fix partial application of "exit timing in ticks"	2011-07-12 13:16:28 +03:00
timing.h	KVM: PPC: booke: category E.HV (GS-mode) support	2012-04-08 12:51:19 +03:00
trace.h	Merge remote-tracking branch 'master' into queue	2012-10-29 19:15:32 -02:00