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From: Brian Gerst <brgerst@gmail.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@alien8.de>,
	"H . Peter Anvin" <hpa@zytor.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Brian Gerst <brgerst@gmail.com>
Subject: [PATCH v2 10/10] x86/percpu: Remove unused PER_CPU() macro
Date: Sat, 30 May 2020 18:11:27 -0400	[thread overview]
Message-ID: <20200530221127.459704-11-brgerst@gmail.com> (raw)
In-Reply-To: <20200530221127.459704-1-brgerst@gmail.com>

Also remove now unused __percpu_mov_op.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
---
 arch/x86/include/asm/percpu.h | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index cf2b9c2a241e..a3c33b79fb86 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -4,33 +4,15 @@
 
 #ifdef CONFIG_X86_64
 #define __percpu_seg		gs
-#define __percpu_mov_op		movq
 #else
 #define __percpu_seg		fs
-#define __percpu_mov_op		movl
 #endif
 
 #ifdef __ASSEMBLY__
 
-/*
- * PER_CPU finds an address of a per-cpu variable.
- *
- * Args:
- *    var - variable name
- *    reg - 32bit register
- *
- * The resulting address is stored in the "reg" argument.
- *
- * Example:
- *    PER_CPU(cpu_gdt_descr, %ebx)
- */
 #ifdef CONFIG_SMP
-#define PER_CPU(var, reg)						\
-	__percpu_mov_op %__percpu_seg:this_cpu_off, reg;		\
-	lea var(reg), reg
 #define PER_CPU_VAR(var)	%__percpu_seg:var
 #else /* ! SMP */
-#define PER_CPU(var, reg)	__percpu_mov_op $var, reg
 #define PER_CPU_VAR(var)	var
 #endif	/* SMP */
 
-- 
2.25.4


  parent reply	other threads:[~2020-05-30 22:12 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-30 22:11 [PATCH v2 00/10] x86: Clean up percpu operations Brian Gerst
2020-05-30 22:11 ` [PATCH v2 01/10] x86/percpu: Introduce size abstraction macros Brian Gerst
2020-06-01 20:48   ` Nick Desaulniers
2020-05-30 22:11 ` [PATCH v2 02/10] x86/percpu: Clean up percpu_to_op() Brian Gerst
2020-07-09 10:30   ` Peter Zijlstra
2020-07-10  4:38     ` Brian Gerst
2020-07-10  8:53       ` Peter Zijlstra
2020-07-10 16:56         ` Nick Desaulniers
2020-05-30 22:11 ` [PATCH v2 03/10] x86/percpu: Clean up percpu_from_op() Brian Gerst
2020-05-30 22:11 ` [PATCH v2 04/10] x86/percpu: Clean up percpu_add_op() Brian Gerst
2020-06-01 20:18   ` Nick Desaulniers
2020-05-30 22:11 ` [PATCH v2 05/10] x86/percpu: Remove "e" constraint from XADD Brian Gerst
2020-06-01 18:50   ` Nick Desaulniers
2020-05-30 22:11 ` [PATCH v2 06/10] x86/percpu: Clean up percpu_add_return_op() Brian Gerst
2020-06-01 19:47   ` Nick Desaulniers
2020-05-30 22:11 ` [PATCH v2 07/10] x86/percpu: Clean up percpu_xchg_op() Brian Gerst
2020-05-30 22:11 ` [PATCH v2 08/10] x86/percpu: Clean up percpu_cmpxchg_op() Brian Gerst
2020-05-30 22:11 ` [PATCH v2 09/10] x86/percpu: Clean up percpu_stable_op() Brian Gerst
2020-06-01 20:43   ` Nick Desaulniers
2020-06-02 14:19     ` Brian Gerst
2020-07-09 10:25       ` Peter Zijlstra
2020-05-30 22:11 ` Brian Gerst [this message]
2020-06-01 20:26   ` [PATCH v2 10/10] x86/percpu: Remove unused PER_CPU() macro Nick Desaulniers
2020-06-01 21:00 ` [PATCH v2 00/10] x86: Clean up percpu operations Nick Desaulniers
2020-07-08 19:36   ` Nick Desaulniers
2020-07-09 20:02     ` Nick Desaulniers
2020-07-13 22:24     ` Nick Desaulniers
2020-07-13 22:40       ` Linus Torvalds
2020-07-13 22:58         ` Nick Desaulniers
2020-07-14  0:31           ` Nick Desaulniers
2020-07-14  1:29             ` Linus Torvalds
2020-07-09 10:30 ` Peter Zijlstra

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