linux-kernel - [RFC PATCH v4 31/37] arm64: proc: Mark constant as data

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220429094355.122389-32-chenzhongjin@huawei.com>
Date:   Fri, 29 Apr 2022 17:43:49 +0800
From:   Chen Zhongjin <chenzhongjin@...wei.com>
To:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-arch@...r.kernel.org>
CC:     <jthierry@...hat.com>, <catalin.marinas@....com>,
        <will@...nel.org>, <masahiroy@...nel.org>, <jpoimboe@...hat.com>,
        <peterz@...radead.org>, <ycote@...hat.com>,
        <herbert@...dor.apana.org.au>, <mark.rutland@....com>,
        <davem@...emloft.net>, <ardb@...nel.org>, <maz@...nel.org>,
        <tglx@...utronix.de>, <luc.vanoostenryck@...il.com>,
        <chenzhongjin@...wei.com>
Subject: [RFC PATCH v4 31/37] arm64: proc: Mark constant as data

From: Julien Thierry <jthierry@...hat.com>

Label __idmap_kpti_flag represents the location of a constant.
Mark it as data symbol.

Signed-off-by: Julien Thierry <jthierry@...hat.com>
---
 arch/arm64/mm/proc.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 50bbed947bec..c34ea1778b1e 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -222,8 +222,8 @@ SYM_FUNC_END(idmap_cpu_replace_ttbr1)
  *
  * Called exactly once from stop_machine context by each CPU found during boot.
  */
-__idmap_kpti_flag:
-	.long	1
+SYM_DATA_LOCAL(__idmap_kpti_flag, .long	1)
+
 SYM_FUNC_START(idmap_kpti_install_ng_mappings)
 	cpu		.req	w0
 	num_cpus	.req	w1
-- 
2.17.1