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| author | Alexander Graf <agraf@suse.de> | 2012-10-07 15:22:59 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-10-30 10:54:50 +0100 |
| commit | 686de182a217d315e50fef74ba5e7bcd7ea6c246 (patch) | |
| tree | 447b54031653b92073c1dc2e6667f9b1ee167290 | |
| parent | e43a028752fed049e4bd94ef895542f96d79fa74 (diff) | |
| download | linux-686de182a217d315e50fef74ba5e7bcd7ea6c246.tar.bz2 | |
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>
| -rw-r--r-- | Documentation/virtual/kvm/api.txt | 3 |
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 |