linux-kernel - [PATCH 1/2] powerpc/64: drop redundant defination of spin_until

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Date:   Fri, 11 Jun 2021 19:10:57 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Sudeep Holla <sudeep.holla@....com>
Subject: [PATCH 1/2] powerpc/64: drop redundant defination of spin_until_cond

From: Sudeep Holla <sudeep.holla@....com>

linux/processor.h has exactly same defination for spin_until_cond.
Drop the redundant defination in asm/processor.h

Cc: Nicholas Piggin <npiggin@...il.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Sudeep Holla <sudeep.holla@....com>
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 That's just a rebase

 arch/powerpc/include/asm/processor.h | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 7bf8a15af224..0819854eeab9 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -339,17 +339,6 @@ static inline unsigned long __pack_fe01(unsigned int fpmode)
 
 #define spin_end()	HMT_medium()
 
-#define spin_until_cond(cond)					\
-do {								\
-	if (unlikely(!(cond))) {				\
-		spin_begin();					\
-		do {						\
-			spin_cpu_relax();			\
-		} while (!(cond));				\
-		spin_end();					\
-	}							\
-} while (0)
-
 #endif
 
 /* Check that a certain kernel stack pointer is valid in task_struct p */
-- 
2.25.0