git: 29a4a60fffac - main - ixgbe: purge EOL release compatibility

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=29a4a60fffacdfd8aef6d55e46efe8bfdeb2491d

commit 29a4a60fffacdfd8aef6d55e46efe8bfdeb2491d
Author:     Elliott Mitchell <ehem+freebsd@m5p.com>
AuthorDate: 2022-06-23 00:53:47 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2023-02-04 16:11:05 +0000

    ixgbe: purge EOL release compatibility
    
    Remove support for pre FreeBSD 8.
    
    Reviewed by: imp
    Pull Request: https://github.com/freebsd/freebsd-src/pull/603
    Differential Revision: https://reviews.freebsd.org/D35560
---
 sys/dev/ixgbe/ixgbe_osdep.h | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/sys/dev/ixgbe/ixgbe_osdep.h b/sys/dev/ixgbe/ixgbe_osdep.h
index b7eaa788c99e..5e211e6283e3 100644
--- a/sys/dev/ixgbe/ixgbe_osdep.h
+++ b/sys/dev/ixgbe/ixgbe_osdep.h
@@ -161,18 +161,6 @@ typedef boolean_t	bool;
 
 #define le16_to_cpu
 
-#if __FreeBSD_version < 800000
-#if defined(__i386__) || defined(__amd64__)
-#define mb()	__asm volatile("mfence" ::: "memory")
-#define wmb()	__asm volatile("sfence" ::: "memory")
-#define rmb()	__asm volatile("lfence" ::: "memory")
-#else
-#define mb()
-#define rmb()
-#define wmb()
-#endif
-#endif
-
 #if defined(__i386__) || defined(__amd64__)
 static __inline
 void prefetch(void *x)