[tip: x86/entry] x86/entry: __always_inline arch_atomic_* for noinstr

From: tip-bot2 for Peter Zijlstra
Date: Wed Jun 03 2020 - 13:50:38 EST


The following commit has been merged into the x86/entry branch of tip:

Commit-ID: c74809a9760f0d0c80ebe4e6ddcc9aebba9d90bc
Gitweb: https://git.kernel.org/tip/c74809a9760f0d0c80ebe4e6ddcc9aebba9d90bc
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Wed, 03 Jun 2020 13:40:19 +02:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Wed, 03 Jun 2020 16:35:37 +02:00

x86/entry: __always_inline arch_atomic_* for noinstr

vmlinux.o: warning: objtool: rcu_dynticks_eqs_exit()+0x33: call to arch_atomic_and.constprop.0() leaves .noinstr.text section

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20200603114052.070166551@xxxxxxxxxxxxx

---
arch/x86/include/asm/atomic.h | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index a9ae588..bf35e47 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -205,13 +205,13 @@ static __always_inline bool arch_atomic_try_cmpxchg(atomic_t *v, int *old, int n
}
#define arch_atomic_try_cmpxchg arch_atomic_try_cmpxchg

-static inline int arch_atomic_xchg(atomic_t *v, int new)
+static __always_inline int arch_atomic_xchg(atomic_t *v, int new)
{
return arch_xchg(&v->counter, new);
}
#define arch_atomic_xchg arch_atomic_xchg

-static inline void arch_atomic_and(int i, atomic_t *v)
+static __always_inline void arch_atomic_and(int i, atomic_t *v)
{
asm volatile(LOCK_PREFIX "andl %1,%0"
: "+m" (v->counter)
@@ -219,7 +219,7 @@ static inline void arch_atomic_and(int i, atomic_t *v)
: "memory");
}

-static inline int arch_atomic_fetch_and(int i, atomic_t *v)
+static __always_inline int arch_atomic_fetch_and(int i, atomic_t *v)
{
int val = arch_atomic_read(v);

@@ -229,7 +229,7 @@ static inline int arch_atomic_fetch_and(int i, atomic_t *v)
}
#define arch_atomic_fetch_and arch_atomic_fetch_and

-static inline void arch_atomic_or(int i, atomic_t *v)
+static __always_inline void arch_atomic_or(int i, atomic_t *v)
{
asm volatile(LOCK_PREFIX "orl %1,%0"
: "+m" (v->counter)
@@ -237,7 +237,7 @@ static inline void arch_atomic_or(int i, atomic_t *v)
: "memory");
}

-static inline int arch_atomic_fetch_or(int i, atomic_t *v)
+static __always_inline int arch_atomic_fetch_or(int i, atomic_t *v)
{
int val = arch_atomic_read(v);

@@ -247,7 +247,7 @@ static inline int arch_atomic_fetch_or(int i, atomic_t *v)
}
#define arch_atomic_fetch_or arch_atomic_fetch_or

-static inline void arch_atomic_xor(int i, atomic_t *v)
+static __always_inline void arch_atomic_xor(int i, atomic_t *v)
{
asm volatile(LOCK_PREFIX "xorl %1,%0"
: "+m" (v->counter)
@@ -255,7 +255,7 @@ static inline void arch_atomic_xor(int i, atomic_t *v)
: "memory");
}

-static inline int arch_atomic_fetch_xor(int i, atomic_t *v)
+static __always_inline int arch_atomic_fetch_xor(int i, atomic_t *v)
{
int val = arch_atomic_read(v);