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Groups > linux.kernel > #1611378
| From | Doug Berger <opendmb@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 2/8] arm64: mm: mark fault_info __ro_after_init |
| Date | 2017-03-28 23:40 +0200 |
| Message-ID | <tq70m-5jM-21@gated-at.bofh.it> (permalink) |
| References | <tq70m-5jM-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 <opendmb@gmail.com>
---
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
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[PATCH v2 0/8] bus: brcmstb_gisb: add support for GISBv7 arbiter Doug Berger <opendmb@gmail.com> - 2017-03-28 23:40 +0200
[PATCH v2 5/8] bus: brcmstb_gisb: correct support for 64-bit address output Doug Berger <opendmb@gmail.com> - 2017-03-28 23:40 +0200
[PATCH v2 2/8] arm64: mm: mark fault_info __ro_after_init Doug Berger <opendmb@gmail.com> - 2017-03-28 23:40 +0200
Re: [PATCH v2 2/8] arm64: mm: mark fault_info __ro_after_init Mark Rutland <mark.rutland@arm.com> - 2017-03-29 13:30 +0200
[PATCH v2 4/8] bus: brcmstb_gisb: Correct hooking of ARM aborts Doug Berger <opendmb@gmail.com> - 2017-03-28 23:40 +0200
[PATCH v2 7/8] bus: brcmstb_gisb: add notifier handling Doug Berger <opendmb@gmail.com> - 2017-03-28 23:40 +0200
Re: [PATCH v2 7/8] bus: brcmstb_gisb: add notifier handling Mark Rutland <mark.rutland@arm.com> - 2017-03-29 12:20 +0200
Re: [PATCH v2 7/8] bus: brcmstb_gisb: add notifier handling Doug Berger <opendmb@gmail.com> - 2017-03-29 19:40 +0200
Re: [PATCH v2 7/8] bus: brcmstb_gisb: add notifier handling Mark Rutland <mark.rutland@arm.com> - 2017-03-29 20:20 +0200
[PATCH v2 1/8] arm64: mm: Allow installation of memory abort handlers Doug Berger <opendmb@gmail.com> - 2017-03-28 23:40 +0200
Re: [PATCH v2 1/8] arm64: mm: Allow installation of memory abort handlers Mark Rutland <mark.rutland@arm.com> - 2017-03-29 13:40 +0200
[PATCH v2 3/8] bus: brcmstb_gisb: Use register offsets with writes too Doug Berger <opendmb@gmail.com> - 2017-03-28 23:40 +0200
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