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44e5f6be62
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Paul Mackerras 44e5f6be62 KVM: PPC: Book3S HV: Add a mechanism for recording modified HPTEs 
This uses a bit in our record of the guest view of the HPTE to record
when the HPTE gets modified.  We use a reserved bit for this, and ensure
that this bit is always cleared in HPTE values returned to the guest.

The recording of modified HPTEs is only done if other code indicates
its interest by setting kvm->arch.hpte_mod_interest to a non-zero value.
The reason for this is that when later commits add facilities for
userspace to read the HPT, the first pass of reading the HPT will be
quicker if there are no (or very few) HPTEs marked as modified,
rather than having most HPTEs marked as modified.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-12-06 01:33:54 +01:00
..
alpha alpha: separate thread-synchronous flags 2012-10-24 05:16:45 +03:00
arm arm-soc: fixes for v3.7-rc3 2012-10-28 11:12:38 -07:00
arm64 arm64: fix alignment padding in assembly code 2012-10-20 11:12:01 +01:00
avr32 Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
blackfin Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
c6x Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
cris Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
frv FRV: Fix const sections change 2012-10-16 18:49:15 -07:00
h8300 Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
hexagon Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
ia64 KVM: x86: add kvm_arch_vcpu_postcreate callback, move TSC initialization 2012-11-27 23:29:14 -02:00
m32r Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
m68k m68k: Wire up kcmp 2012-10-19 17:49:37 +02:00
microblaze Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
mips Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2012-10-18 11:49:39 -07:00
mn10300 UAPI: Make arch/mn10300/include/uapi/asm/setup.h non-empty 2012-10-17 12:32:35 +01:00
openrisc Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
parisc UAPI: (Scripted) Disintegrate arch/parisc/include/asm 2012-10-16 21:28:05 +01:00
powerpc KVM: PPC: Book3S HV: Add a mechanism for recording modified HPTEs 2012-12-06 01:33:54 +01:00
s390 KVM: x86: add kvm_arch_vcpu_postcreate callback, move TSC initialization 2012-11-27 23:29:14 -02:00
score Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
sh UAPI: Make arch/sh/include/uapi/asm/hw_breakpoint.h non-empty 2012-10-17 12:32:35 +01:00
sparc UAPI fixes 2012-10-17 2012-10-17 13:40:22 -07:00
tile arch/tile: avoid build warnings from duplicate ELF_R_xxx #defines 2012-10-23 10:22:48 -04:00
um Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2012-10-13 10:05:52 +09:00
unicore32 Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
x86 KVM: x86: Fix uninitialized return code 2012-12-02 17:37:04 +02:00
xtensa xtensa: add missing system calls to the syscall table 2012-10-19 10:46:44 -07:00
.gitignore
Kconfig Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00