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-rw-r--r--readme.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/readme.txt b/readme.txt
index 203a585bf..fa9beaad9 100644
--- a/readme.txt
+++ b/readme.txt
@@ -80,8 +80,9 @@ Win32-MinGW - ChibiOS/RT simulator and demo into a WIN32 process,
- FIX: Fixed a regression introduced in version 0.6.9, the queues benchmark
test case was missing from the tests list.
- NEW: Added an option to the ARM7 ports, by specifying -DREENTRANT_LOCKS in
- the makefile options the chSysLock() and chSysUnlock() become reentrant.
- The code becomes a bit larger and slower.
+ the makefile options makes the chSysLock() and chSysUnlock() become
+ reentrant. The code becomes a bit larger and slower, use it only if your
+ application really needs to invoke system API under lock.
*** 0.6.9 ***
- NEW: Added an option to exclude the support for the round robin scheduling,