summaryrefslogtreecommitdiffstats
path: root/include/asm-generic/barrier.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:36 +0000
commit50ba0232fd5312410f1b65247e774244f89a628e (patch)
treefd8f2fc78e9e548af0ff9590276602ee6125be00 /include/asm-generic/barrier.h
parentReleasing progress-linux version 6.7.12-1~progress7.99u1. (diff)
downloadlinux-50ba0232fd5312410f1b65247e774244f89a628e.tar.xz
linux-50ba0232fd5312410f1b65247e774244f89a628e.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/asm-generic/barrier.h')
-rw-r--r--include/asm-generic/barrier.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h
index 961f4d88f9..1985c22d90 100644
--- a/include/asm-generic/barrier.h
+++ b/include/asm-generic/barrier.h
@@ -296,5 +296,13 @@ do { \
#define io_stop_wc() do { } while (0)
#endif
+/*
+ * Architectures that guarantee an implicit smp_mb() in switch_mm()
+ * can override smp_mb__after_switch_mm.
+ */
+#ifndef smp_mb__after_switch_mm
+# define smp_mb__after_switch_mm() smp_mb()
+#endif
+
#endif /* !__ASSEMBLY__ */
#endif /* __ASM_GENERIC_BARRIER_H */