From: Alexander Graf Date: Sun, 7 Oct 2012 13:22:59 +0000 (+0200) Subject: KVM: Documentation: Fix reentry-to-be-consistent paragraph X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=686de182a217d315e50fef74ba5e7bcd7ea6c246;p=linux-beck.git 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 --- 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