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[PATCH 2/2] xen/bug: Complete outstanding TODO
- To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Fri, 15 Dec 2023 18:14:33 +0000
- Authentication-results: esa3.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, "Stefano Stabellini" <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Federico Serafini <federico.serafini@xxxxxxxxxxx>
- Delivery-date: Fri, 15 Dec 2023 18:14:59 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Since this TODO was written, BUILD_BUG_ON() has been moved out of xen/lib.h
into xen/macros.h, which has done all the hard work.
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: George Dunlap <George.Dunlap@xxxxxxxxxx>
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
CC: Julien Grall <julien@xxxxxxx>
CC: Federico Serafini <federico.serafini@xxxxxxxxxxx>
---
xen/include/xen/bug.h | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff --git a/xen/include/xen/bug.h b/xen/include/xen/bug.h
index cb5138410ea7..8cca4486a477 100644
--- a/xen/include/xen/bug.h
+++ b/xen/include/xen/bug.h
@@ -20,7 +20,8 @@
#define BUG_DEBUGGER_TRAP_FATAL(regs) 0
#endif
-#include <xen/lib.h>
+#include <xen/macros.h>
+#include <xen/types.h>
#ifndef BUG_FRAME_STRUCT
@@ -104,14 +105,11 @@ typedef void bug_fn_t(const struct cpu_user_regs *regs);
#ifndef run_in_exception_handler
-/*
- * TODO: untangle header dependences, break BUILD_BUG_ON() out of xen/lib.h,
- * and use a real static inline here to get proper type checking of fn().
- */
-#define run_in_exception_handler(fn) do { \
- (void)((fn) == (void (*)(struct cpu_user_regs *))NULL); \
- BUG_FRAME(BUGFRAME_run_fn, 0, fn, 0, NULL); \
-} while ( false )
+static void always_inline run_in_exception_handler(
+ void (*fn)(struct cpu_user_regs *regs))
+{
+ BUG_FRAME(BUGFRAME_run_fn, 0, fn, 0, NULL);
+}
#endif /* run_in_exception_handler */
--
2.30.2
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