diff options
Diffstat (limited to 'Documentation/virtual')
| -rw-r--r-- | Documentation/virtual/paravirt_ops.rst (renamed from Documentation/virtual/paravirt_ops.txt) | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/Documentation/virtual/paravirt_ops.txt b/Documentation/virtual/paravirt_ops.rst index d4881c00e339..6b789d27cead 100644 --- a/Documentation/virtual/paravirt_ops.txt +++ b/Documentation/virtual/paravirt_ops.rst @@ -1,3 +1,6 @@ +.. SPDX-License-Identifier: GPL-2.0 + +============ Paravirt_ops ============ @@ -18,15 +21,15 @@ at boot time. pv_ops operations are classified into three categories: - simple indirect call - These operations correspond to high level functionality where it is - known that the overhead of indirect call isn't very important. + These operations correspond to high level functionality where it is + known that the overhead of indirect call isn't very important. - indirect call which allows optimization with binary patch - Usually these operations correspond to low level critical instructions. They - are called frequently and are performance critical. The overhead is - very important. + Usually these operations correspond to low level critical instructions. They + are called frequently and are performance critical. The overhead is + very important. - a set of macros for hand written assembly code - Hand written assembly codes (.S files) also need paravirtualization - because they include sensitive instructions or some of code paths in - them are very performance critical. + Hand written assembly codes (.S files) also need paravirtualization + because they include sensitive instructions or some of code paths in + them are very performance critical. |