Author: hselasky
Date: Wed Dec 5 15:53:34 2018
New Revision: 341591
URL: https://svnweb.freebsd.org/changeset/base/341591
Log:
Fix some build of LinuxKPI on some platforms after r341518.
MFC after: 1 week
Sponsored by: Mellanox Technologies
Modified:
head/sys/compat/linuxkpi/common/include/asm/atomic-long.h
Modified: head/sys/compat/linuxkpi/common/include/asm/atomic-long.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/asm/atomic-long.h Wed Dec 5
15:42:31 2018 (r341590)
+++ head/sys/compat/linuxkpi/common/include/asm/atomic-long.h Wed Dec 5
15:53:34 2018 (r341591)
@@ -78,7 +78,15 @@ atomic_long_dec(atomic_long_t *v)
static inline long
atomic_long_xchg(atomic_long_t *v, long val)
{
+#if defined(__i386__) || defined(__amd64__) || defined(__aarch64__)
return atomic_swap_long(&v->counter, val);
+#else
+ long ret = atomic_long_read(v);
+
+ while (!atomic_fcmpset_long(&v->counter, &ret, val))
+ ;
+ return (ret);
+#endif
}
static inline long
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