linux-kernel - [PATCH 09/10] microblaze: Define percpu sestion in linker file

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Message-Id: <cc32b5d984c7f3087d16f6248b012d9b8d59fa78.1581497860.git.michal.simek@xilinx.com>
Date:   Wed, 12 Feb 2020 09:58:06 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com, arnd@...db.de
Cc:     Stefan Asserhall <stefan.asserhall@...inx.com>,
        Borislav Petkov <bp@...e.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Kees Cook <keescook@...omium.org>,
        Siva Durga Prasad Paladugu <siva.durga.paladugu@...inx.com>
Subject: [PATCH 09/10] microblaze: Define percpu sestion in linker file

From: Stefan Asserhall <stefan.asserhall@...inx.com>

Adding SMP requires to have percpu section defined.

Signed-off-by: Stefan Asserhall <stefan.asserhall@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 arch/microblaze/kernel/vmlinux.lds.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S
index 2c09fa3a8a01..df07b3d06cd6 100644
--- a/arch/microblaze/kernel/vmlinux.lds.S
+++ b/arch/microblaze/kernel/vmlinux.lds.S
@@ -13,6 +13,7 @@ ENTRY(microblaze_start)
 
 #define RO_EXCEPTION_TABLE_ALIGN	16
 
+#include <asm/cache.h>
 #include <asm/page.h>
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/thread_info.h>
@@ -89,6 +90,8 @@ SECTIONS {
 		_KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
 	}
 
+	PERCPU_SECTION(L1_CACHE_BYTES)
+
 	. = ALIGN(PAGE_SIZE);
 	__init_begin = .;
 
-- 
2.25.0