From mboxrd@z Thu Jan 1 00:00:00 1970 From: opendmb@gmail.com (Doug Berger) Date: Tue, 28 Mar 2017 14:34:25 -0700 Subject: [PATCH v2 2/8] arm64: mm: mark fault_info __ro_after_init In-Reply-To: <20170328213431.10904-1-opendmb@gmail.com> References: <20170328213431.10904-1-opendmb@gmail.com> Message-ID: <20170328213431.10904-3-opendmb@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The fault_info table must be made writeable to allow installation of custom memory abort handlers, but it can be made read-only after initialization to provide some protection. Signed-off-by: Doug Berger --- arch/arm64/mm/fault.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index cdf1260f1005..43319ed58a47 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -493,7 +493,7 @@ static struct fault_info { int sig; int code; const char *name; -} fault_info[] = { +} fault_info[] __ro_after_init = { { do_bad, SIGBUS, 0, "ttbr address size fault" }, { do_bad, SIGBUS, 0, "level 1 address size fault" }, { do_bad, SIGBUS, 0, "level 2 address size fault" }, -- 2.12.0