git: d08cb45362e0 - main - iflib: Use empty inline functions for prefetch*() on non-x86.

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=d08cb45362e0c00f29bf0a1f9c639f22042df34b

commit d08cb45362e0c00f29bf0a1f9c639f22042df34b
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-04-09 00:25:14 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-04-09 00:25:14 +0000

    iflib: Use empty inline functions for prefetch*() on non-x86.
    
    This avoids warnings about unused variables in expressions passed to
    prefetch*().
---
 sys/net/iflib.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/sys/net/iflib.c b/sys/net/iflib.c
index 2971a22d799e..d088571b09c0 100644
--- a/sys/net/iflib.c
+++ b/sys/net/iflib.c
@@ -1399,6 +1399,7 @@ prefetch(void *x)
 {
 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
 }
+
 static __inline void
 prefetch2cachelines(void *x)
 {
@@ -1408,8 +1409,15 @@ prefetch2cachelines(void *x)
 #endif
 }
 #else
-#define prefetch(x)
-#define prefetch2cachelines(x)
+static __inline void
+prefetch(void *x)
+{
+}
+
+static __inline void
+prefetch2cachelines(void *x)
+{
+}
 #endif
 
 static void