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adc0bafe00
linux/arch/powerpc/kvm
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Paul Mackerras adc0bafe00 KVM: PPC: Book3S PR: Mark pages accessed, and dirty if being written 
The mark_page_dirty() function, despite what its name might suggest,
doesn't actually mark the page as dirty as far as the MM subsystem is
concerned.  It merely sets a bit in KVM's map of dirty pages, if
userspace has requested dirty tracking for the relevant memslot.
To tell the MM subsystem that the page is dirty, we have to call
kvm_set_pfn_dirty() (or an equivalent such as SetPageDirty()).

This adds a call to kvm_set_pfn_dirty(), and while we are here, also
adds a call to kvm_set_pfn_accessed() to tell the MM subsystem that
the page has been accessed.  Since we are now using the pfn in
several places, this adds a 'pfn' variable to store it and changes
the places that used hpaddr >> PAGE_SHIFT to use pfn instead, which
is the same thing.

This also changes a use of HPTE_R_PP to PP_RXRX.  Both are 3, but
PP_RXRX is more informative as being the read-only page permission
bit setting.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-17 14:49:36 +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
44x.c KVM: PPC: Book3E: Refactor ONE_REG ioctl implementation 2013-04-26 20:27:05 +02:00
book3s_32_mmu_host.c KVM: PPC: Book3S PR: Better handling of host-side read-only pages 2013-10-17 14:49:35 +02:00
book3s_32_mmu.c KVM: PPC: Book3S PR: Better handling of host-side read-only pages 2013-10-17 14:49:35 +02:00
book3s_32_sr.S
book3s_64_mmu_host.c KVM: PPC: Book3S PR: Mark pages accessed, and dirty if being written 2013-10-17 14:49:36 +02:00
book3s_64_mmu_hv.c KVM: PPC: Book3S PR: Better handling of host-side read-only pages 2013-10-17 14:49:35 +02:00
book3s_64_mmu.c KVM: PPC: Book3S PR: Better handling of host-side read-only pages 2013-10-17 14:49:35 +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
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 PR: Keep volatile reg values in vcpu rather than shadow_vcpu 2013-10-17 14:45:03 +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: Move skip-interrupt handlers to common code 2013-10-17 14:49:35 +02:00
book3s_hv.c KVM: PPC: Book3S HV: Don't crash host on unknown guest interrupt 2013-10-17 14:45:02 +02:00
book3s_interrupts.S KVM: PPC: Book3S PR: Keep volatile reg values in vcpu rather than shadow_vcpu 2013-10-17 14:45:03 +02:00
book3s_mmu_hpte.c KVM: PPC: Book3S PR: Use mmu_notifier_retry() in kvmppc_mmu_map_page() 2013-10-17 14:49:35 +02:00
book3s_paired_singles.c
book3s_pr_papr.c KVM: PPC: Book3S PR: Make HPT accesses and updates SMP-safe 2013-10-17 14:45:04 +02:00
book3s_pr.c KVM: PPC: Book3S PR: Better handling of host-side read-only pages 2013-10-17 14:49:35 +02:00
book3s_rmhandlers.S KVM: PPC: Book3S: Move skip-interrupt handlers to common code 2013-10-17 14:49:35 +02:00
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 PR: Better handling of host-side read-only pages 2013-10-17 14:49:35 +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: Add GET/SET_ONE_REG interface for VRSAVE 2013-10-17 14:45:01 +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/e500: eliminate tlb_refs 2013-04-11 15:53:43 +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
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
timing.h
trace.h KVM: PPC: Book3S PR: Keep volatile reg values in vcpu rather than shadow_vcpu 2013-10-17 14:45:03 +02:00