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Subject[PATCH RFC 2/4] include/linux/compiler.h: allow memory operands
We don't really care whether the variable is in-register
or in-memory. Relax the constraint accordingly.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
include/linux/compiler.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 1ad367b4cd8d..6601d39e8c48 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -154,7 +154,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#ifndef OPTIMIZER_HIDE_VAR
/* Make the optimizer believe the variable can be manipulated arbitrarily. */
#define OPTIMIZER_HIDE_VAR(var) \
- __asm__ ("" : "=r" (var) : "0" (var))
+ __asm__ ("" : "=rm" (var) : "0" (var))
#endif

/* Not-quite-unique ID. */
--
MST
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