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From:   Masahiro Yamada <yamada.masahiro@socionext.com>
To:     Andrew Morton <akpm@linux-foundation.org>,
        linux-arch <linux-arch@vger.kernel.org>
Cc:     linux-s390@vger.kernel.org,
        Heiko Carstens <heiko.carstens@de.ibm.com>,
        Arnd Bergmann <arnd@arndb.de>, linuxppc-dev@lists.ozlabs.org,
        x86@kernel.org, linux-mips@vger.kernel.org,
        linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
        linux-mtd@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org,
        Christophe Leroy <christophe.leroy@c-s.fr>,
        Mathieu Malaterre <malat@debian.org>,
        Masahiro Yamada <yamada.masahiro@socionext.com>
Subject: [RESEND PATCH v3 10/11] powerpc/mm/radix: mark as __tlbie_pid() and friends as__always_inline
Date:   Tue, 23 Apr 2019 12:49:58 +0900
Message-Id: <20190423034959.13525-11-yamada.masahiro@socionext.com>
In-Reply-To: <20190423034959.13525-1-yamada.masahiro@socionext.com>
References: <20190423034959.13525-1-yamada.masahiro@socionext.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

This prepares to move CONFIG_OPTIMIZE_INLINING from x86 to a common
place. We need to eliminate potential issues beforehand.

If it is enabled for powerpc, the following errors are reported:

arch/powerpc/mm/tlb-radix.c: In function '__tlbie_lpid':
arch/powerpc/mm/tlb-radix.c:148:2: warning: asm operand 3 probably doesn't match constraints
  asm volatile(PPC_TLBIE_5(%0, %4, %3, %2, %1)
  ^~~
arch/powerpc/mm/tlb-radix.c:148:2: error: impossible constraint in 'asm'
arch/powerpc/mm/tlb-radix.c: In function '__tlbie_pid':
arch/powerpc/mm/tlb-radix.c:118:2: warning: asm operand 3 probably doesn't match constraints
  asm volatile(PPC_TLBIE_5(%0, %4, %3, %2, %1)
  ^~~
arch/powerpc/mm/tlb-radix.c: In function '__tlbiel_pid':
arch/powerpc/mm/tlb-radix.c:104:2: warning: asm operand 3 probably doesn't match constraints
  asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1)
  ^~~

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

Changes in v3: None
Changes in v2:
  - new patch

 arch/powerpc/mm/tlb-radix.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c
index a2b2848f0ae3..14ff414d1545 100644
--- a/arch/powerpc/mm/tlb-radix.c
+++ b/arch/powerpc/mm/tlb-radix.c
@@ -90,8 +90,8 @@ void radix__tlbiel_all(unsigned int action)
 	asm volatile(PPC_INVALIDATE_ERAT "; isync" : : :"memory");
 }
 
-static inline void __tlbiel_pid(unsigned long pid, int set,
-				unsigned long ric)
+static __always_inline void __tlbiel_pid(unsigned long pid, int set,
+					 unsigned long ric)
 {
 	unsigned long rb,rs,prs,r;
 
@@ -106,7 +106,7 @@ static inline void __tlbiel_pid(unsigned long pid, int set,
 	trace_tlbie(0, 1, rb, rs, ric, prs, r);
 }
 
-static inline void __tlbie_pid(unsigned long pid, unsigned long ric)
+static __always_inline void __tlbie_pid(unsigned long pid, unsigned long ric)
 {
 	unsigned long rb,rs,prs,r;
 
@@ -136,7 +136,7 @@ static inline void __tlbiel_lpid(unsigned long lpid, int set,
 	trace_tlbie(lpid, 1, rb, rs, ric, prs, r);
 }
 
-static inline void __tlbie_lpid(unsigned long lpid, unsigned long ric)
+static __always_inline void __tlbie_lpid(unsigned long lpid, unsigned long ric)
 {
 	unsigned long rb,rs,prs,r;
 
@@ -239,7 +239,7 @@ static inline void fixup_tlbie_lpid(unsigned long lpid)
 /*
  * We use 128 set in radix mode and 256 set in hpt mode.
  */
-static inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
+static __always_inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
 {
 	int set;
 
-- 
2.17.1