From 916f74dcde9a65da141196cde7ce562ac14851d1 Mon Sep 17 00:00:00 2001 From: Corneliu ZUZU Date: Fri, 15 Jul 2016 13:44:10 +0300 Subject: [PATCH] xen/atomic.h: fix: make atomic_read() param const This wouldn't let me make a param of a function that used atomic_read() const. Signed-off-by: Corneliu ZUZU Reviewed-by: Andrew Cooper Reviewed-by: Stefano Stabellini Reviewed-by: Julien Grall --- xen/include/asm-arm/atomic.h | 2 +- xen/include/asm-x86/atomic.h | 2 +- xen/include/xen/atomic.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/xen/include/asm-arm/atomic.h b/xen/include/asm-arm/atomic.h index b81e50d70a..91f05c836e 100644 --- a/xen/include/asm-arm/atomic.h +++ b/xen/include/asm-arm/atomic.h @@ -102,7 +102,7 @@ void __bad_atomic_size(void); * strex/ldrex monitor on some implementations. The reason we can use it for * atomic_set() is the clrex or dummy strex done on every exception return. */ -static inline int atomic_read(atomic_t *v) +static inline int atomic_read(const atomic_t *v) { return *(volatile int *)&v->counter; } diff --git a/xen/include/asm-x86/atomic.h b/xen/include/asm-x86/atomic.h index 3e99b030ed..1729e293a2 100644 --- a/xen/include/asm-x86/atomic.h +++ b/xen/include/asm-x86/atomic.h @@ -80,7 +80,7 @@ void __bad_atomic_size(void); } \ }) -static inline int atomic_read(atomic_t *v) +static inline int atomic_read(const atomic_t *v) { return read_atomic(&v->counter); } diff --git a/xen/include/xen/atomic.h b/xen/include/xen/atomic.h index d07291258b..6827468abd 100644 --- a/xen/include/xen/atomic.h +++ b/xen/include/xen/atomic.h @@ -32,7 +32,7 @@ typedef struct { int counter; } atomic_t; * * Atomically reads the value of @v. */ -static inline int atomic_read(atomic_t *v); +static inline int atomic_read(const atomic_t *v); /** * _atomic_read - read atomic variable non-atomically -- 2.30.2