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authorAlexander Graf <agraf@suse.de>2012-10-07 17:22:59 +0400
committerAlexander Graf <agraf@suse.de>2012-10-30 13:54:50 +0400
commit686de182a217d315e50fef74ba5e7bcd7ea6c246 (patch)
tree447b54031653b92073c1dc2e6667f9b1ee167290 /Documentation/virtual
parente43a028752fed049e4bd94ef895542f96d79fa74 (diff)
downloadlinux-686de182a217d315e50fef74ba5e7bcd7ea6c246.tar.xz
KVM: Documentation: Fix reentry-to-be-consistent paragraph
All user space offloaded instruction emulation needs to reenter kvm to produce consistent state again. Fix the section in the documentation to mention all of them. Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'Documentation/virtual')
-rw-r--r--Documentation/virtual/kvm/api.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 4258180b1ecd..6671fdc0afb1 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -2183,7 +2183,8 @@ executed a memory-mapped I/O instruction which could not be satisfied
by kvm. The 'data' member contains the written data if 'is_write' is
true, and should be filled by application code otherwise.
-NOTE: For KVM_EXIT_IO, KVM_EXIT_MMIO and KVM_EXIT_OSI, the corresponding
+NOTE: For KVM_EXIT_IO, KVM_EXIT_MMIO, KVM_EXIT_OSI, KVM_EXIT_DCR
+ and KVM_EXIT_PAPR the corresponding
operations are complete (and guest state is consistent) only after userspace
has re-entered the kernel with KVM_RUN. The kernel side will first finish
incomplete operations and then check for pending signals. Userspace