And replace the open-coded versions already in tree. No functional
change.
Signed-off-by: Roger Pau Monné <roger....@citrix.com>
---
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Andrew Cooper <andrew.coop...@citrix.com>
Cc: Daniel Kiper <daniel.ki...@oracle.com>
---
xen/include/xen/compiler.h | 2 ++
xen/include/xen/livepatch_payload.h | 4 ++--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/xen/include/xen/compiler.h b/xen/include/xen/compiler.h
index a7e05681c9..001f589655 100644
--- a/xen/include/xen/compiler.h
+++ b/xen/include/xen/compiler.h
@@ -18,6 +18,8 @@
#define __packed __attribute__((__packed__))
+#define __weak __attribute__((weak))
+
#if (!defined(__clang__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 5))
#define unreachable() do {} while (1)
#else
diff --git a/xen/include/xen/livepatch_payload.h
b/xen/include/xen/livepatch_payload.h
index 8f38cc2c60..4a1a96d054 100644
--- a/xen/include/xen/livepatch_payload.h
+++ b/xen/include/xen/livepatch_payload.h
@@ -24,7 +24,7 @@ typedef void livepatch_unloadcall_t(void);
* executed in series by the livepatch infrastructure at patch load time.
*/
#define LIVEPATCH_LOAD_HOOK(_fn) \
- livepatch_loadcall_t *__attribute__((weak)) \
+ livepatch_loadcall_t *__weak \
const livepatch_load_data_##_fn __section(".livepatch.hooks.load") =
_fn;
/*
@@ -33,7 +33,7 @@ typedef void livepatch_unloadcall_t(void);
* Same as LOAD hook with s/load/unload/
*/
#define LIVEPATCH_UNLOAD_HOOK(_fn) \
- livepatch_unloadcall_t *__attribute__((weak)) \
+ livepatch_unloadcall_t *__weak \
const livepatch_unload_data_##_fn __section(".livepatch.hooks.unload")
= _fn;
#endif /* __XEN_LIVEPATCH_PAYLOAD_H__ */
--
2.17.1
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