From: nixiaoming <nixiaoming@huawei.com>
To: <schwidefsky@de.ibm.com>, <heiko.carstens@de.ibm.com>,
<akpm@linux-foundation.org>, <vbabka@suse.cz>, <mhocko@suse.com>,
<gregkh@linuxfoundation.org>
Cc: <nixiaoming@huawei.com>, <linux-kernel@vger.kernel.org>,
<linux-s390@vger.kernel.org>
Subject: [PATCH 3/3] s390:add missing CONFIG_STRICT_KERNEL_RWX for mark_rodata_ro
Date: Mon, 28 May 2018 11:33:55 +0800 [thread overview]
Message-ID: <20180528033355.54815-1-nixiaoming@huawei.com> (raw)
Signed-off-by: nixiaoming <nixiaoming@huawei.com>
---
arch/s390/mm/init.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 3fa3e53..a96fc3f 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -116,6 +116,7 @@ void __init paging_init(void)
free_area_init_nodes(max_zone_pfns);
}
+#ifdef CONFIG_STRICT_KERNEL_RWX
void mark_rodata_ro(void)
{
unsigned long size = __end_ro_after_init - __start_ro_after_init;
@@ -123,6 +124,7 @@ void mark_rodata_ro(void)
set_memory_ro((unsigned long)__start_ro_after_init, size >> PAGE_SHIFT);
pr_info("Write protected read-only-after-init data: %luk\n", size >> 10);
}
+#endif
void __init mem_init(void)
{
--
2.10.1
next reply other threads:[~2018-05-28 3:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-28 3:33 nixiaoming [this message]
2018-05-28 5:22 ` [PATCH 3/3] s390:add missing CONFIG_STRICT_KERNEL_RWX for mark_rodata_ro Greg KH
-- strict thread matches above, loose matches on Subject: below --
2018-05-29 13:36 nixiaoming
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