Author: hselasky
Date: Tue Jun 2 09:45:43 2020
New Revision: 361722
URL: https://svnweb.freebsd.org/changeset/base/361722
Log:
Implement BUILD_BUG_ON_ZERO() in the LinuxKPI.
Tested using gcc and clang.
MFC after: 1 week
Sponsored by: Mellanox Technologies
Modified:
head/sys/compat/linuxkpi/common/include/linux/kernel.h
Modified: head/sys/compat/linuxkpi/common/include/linux/kernel.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/kernel.h Tue Jun 2
03:44:22 2020 (r361721)
+++ head/sys/compat/linuxkpi/common/include/linux/kernel.h Tue Jun 2
09:45:43 2020 (r361722)
@@ -94,6 +94,9 @@
#define BUILD_BUG_ON_NOT_POWER_OF_2(x) BUILD_BUG_ON(!powerof2(x))
#define BUILD_BUG_ON_INVALID(expr) while (0) { (void)(expr); }
+extern const volatile int lkpi_build_bug_on_zero;
+#define BUILD_BUG_ON_ZERO(x) ((x) ? lkpi_build_bug_on_zero : 0)
+
#define BUG() panic("BUG at %s:%d", __FILE__,
__LINE__)
#define BUG_ON(cond) do { \
if (cond) { \
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