From: opendmb@gmail.com (Doug Berger)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/9] arm64: mm: mark fault_info __ro_after_init
Date: Fri, 24 Mar 2017 07:46:25 -0700 [thread overview]
Message-ID: <20170324144632.5896-3-opendmb@gmail.com> (raw)
In-Reply-To: <20170324144632.5896-1-opendmb@gmail.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Doug Berger <opendmb@gmail.com>
To: catalin.marinas@arm.com
Cc: mark.rutland@arm.com, wangkefeng.wang@huawei.com,
linus.walleij@linaro.org, will.deacon@arm.com, mingo@kernel.org,
panand@redhat.com, f.fainelli@gmail.com, jonathanh@nvidia.com,
bgolaszewski@baylibre.com, bcm-kernel-feedback-list@broadcom.com,
shijie.huang@arm.com, opendmb@gmail.com, treding@nvidia.com,
devicetree@vger.kernel.org, vladimir.murzin@arm.com,
cmetcalf@mellanox.com, suzuki.poulose@arm.com,
andre.przywara@arm.com, robh+dt@kernel.org,
gregory.0xf0@gmail.com, sandeepa.s.prabhu@gmail.com,
horms+renesas@verge.net.au, linux-arm-kernel@lists.infradead.org,
mirza.krak@gmail.com, linux-kernel@vger.kernel.org,
james.morse@arm.com, olof@lixom.net, computersforpeace@gmail.com
Subject: [PATCH 2/9] arm64: mm: mark fault_info __ro_after_init
Date: Fri, 24 Mar 2017 07:46:25 -0700 [thread overview]
Message-ID: <20170324144632.5896-3-opendmb@gmail.com> (raw)
In-Reply-To: <20170324144632.5896-1-opendmb@gmail.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Doug Berger <opendmb@gmail.com>
To: catalin.marinas@arm.com
Cc: robh+dt@kernel.org, mark.rutland@arm.com, will.deacon@arm.com,
computersforpeace@gmail.com, gregory.0xf0@gmail.com,
f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com,
wangkefeng.wang@huawei.com, james.morse@arm.com,
vladimir.murzin@arm.com, panand@redhat.com,
andre.przywara@arm.com, cmetcalf@mellanox.com, mingo@kernel.org,
sandeepa.s.prabhu@gmail.com, shijie.huang@arm.com,
linus.walleij@linaro.org, treding@nvidia.com,
jonathanh@nvidia.com, olof@lixom.net, mirza.krak@gmail.com,
suzuki.poulose@arm.com, bgolaszewski@baylibre.com,
horms+renesas@verge.net.au, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, opendmb@gmail.com
Subject: [PATCH 2/9] arm64: mm: mark fault_info __ro_after_init
Date: Fri, 24 Mar 2017 07:46:25 -0700 [thread overview]
Message-ID: <20170324144632.5896-3-opendmb@gmail.com> (raw)
In-Reply-To: <20170324144632.5896-1-opendmb@gmail.com>
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
next prev parent reply other threads:[~2017-03-24 14:46 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-24 14:46 [PATCH 0/9] bus: brcmstb_gisb: add support for GISBv7 arbiter Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` [PATCH 1/9] arm64: mm: Allow installation of memory abort handlers Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` Doug Berger [this message]
2017-03-24 14:46 ` [PATCH 2/9] arm64: mm: mark fault_info __ro_after_init Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` [PATCH 3/9] arm64: mm: install SError abort handler Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 15:16 ` Mark Rutland
2017-03-24 15:16 ` Mark Rutland
2017-03-24 15:16 ` Mark Rutland
2017-03-24 16:48 ` Doug Berger
2017-03-24 16:48 ` Doug Berger
2017-03-24 16:48 ` Doug Berger
2017-03-24 17:35 ` Mark Rutland
2017-03-24 17:35 ` Mark Rutland
2017-03-24 17:35 ` Mark Rutland
2017-03-24 17:53 ` Florian Fainelli
2017-03-24 17:53 ` Florian Fainelli
2017-03-24 17:53 ` Florian Fainelli
2017-03-24 18:31 ` Mark Rutland
2017-03-24 18:31 ` Mark Rutland
2017-03-24 18:31 ` Mark Rutland
2017-03-24 19:02 ` Florian Fainelli
2017-03-24 19:02 ` Florian Fainelli
2017-03-24 19:02 ` Florian Fainelli
2017-03-25 10:06 ` Marc Zyngier
2017-03-25 10:06 ` Marc Zyngier
2017-03-27 20:19 ` Florian Fainelli
2017-03-27 20:19 ` Florian Fainelli
2017-03-27 20:19 ` Florian Fainelli
2017-03-24 14:46 ` [PATCH 4/9] bus: brcmstb_gisb: Use register offsets with writes too Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-25 5:21 ` Gregory Fong
2017-03-25 5:21 ` Gregory Fong
2017-03-25 5:21 ` Gregory Fong
2017-03-24 14:46 ` [PATCH 5/9] bus: brcmstb_gisb: Correct hooking of ARM aborts Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` [PATCH 6/9] bus: brcmstb_gisb: correct support for 64-bit address output Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-25 5:36 ` Gregory Fong
2017-03-25 5:36 ` Gregory Fong
2017-03-25 5:36 ` Gregory Fong
2017-03-24 14:46 ` [PATCH 7/9] bus: brcmstb_gisb: Add ARM64 support Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` [PATCH 8/9] bus: brcmstb_gisb: add ARM64 SError support Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 14:46 ` [PATCH 9/9] bus: brcmstb_gisb: update to support new revision Doug Berger
2017-03-24 14:46 ` Doug Berger
2017-03-24 15:03 ` [PATCH 0/9] bus: brcmstb_gisb: add support for GISBv7 arbiter Mark Rutland
2017-03-24 15:03 ` Mark Rutland
2017-03-24 16:02 ` Doug Berger
2017-03-24 16:02 ` Doug Berger
2017-03-24 16:02 ` Doug Berger
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