linux-kernel - [tip: x86/percpu] x86/percpu: Define PER_CPU_VAR macro also for !__ASSEMBLY_

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Message-ID: <170137899333.398.9789817783303895226.tip-bot2@tip-bot2>
Date:   Thu, 30 Nov 2023 21:16:33 -0000
From:   "tip-bot2 for Uros Bizjak" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Uros Bizjak <ubizjak@...il.com>, Ingo Molnar <mingo@...nel.org>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/percpu] x86/percpu: Define PER_CPU_VAR macro also for !__ASSEMBLY__

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

Commit-ID:     43bda69ed9e3b86d0ba5ff9256e437d50074d7d5
Gitweb:        https://git.kernel.org/tip/43bda69ed9e3b86d0ba5ff9256e437d50074d7d5
Author:        Uros Bizjak <ubizjak@...il.com>
AuthorDate:    Sun, 05 Nov 2023 22:34:35 +01:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Thu, 30 Nov 2023 20:06:16 +01:00

x86/percpu: Define PER_CPU_VAR macro also for !__ASSEMBLY__

Some C source files define 'asm' statements that use PER_CPU_VAR,
so make PER_CPU_VAR macro available also without __ASSEMBLY__.

Signed-off-by: Uros Bizjak <ubizjak@...il.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20231105213731.1878100-2-ubizjak@gmail.com
---
 arch/x86/include/asm/percpu.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index b86b27d..0f12b20 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -84,10 +84,15 @@
 })
 #endif /* CONFIG_USE_X86_SEG_SUPPORT */
 
+#define PER_CPU_VAR(var)	%__percpu_seg:(var)__percpu_rel
+
 #else /* CONFIG_SMP */
 #define __percpu_seg_override
 #define __percpu_prefix		""
 #define __force_percpu_prefix	""
+
+#define PER_CPU_VAR(var)	(var)__percpu_rel
+
 #endif /* CONFIG_SMP */
 
 #define __my_cpu_type(var)	typeof(var) __percpu_seg_override