[oe-commits] Koen Kooi : linux-omap 2.6.29: disable alignment trapping completely for omap3board
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git at amethyst.openembedded.net
Tue Mar 31 19:44:53 UTC 2009
Module: openembedded.git
Branch: org.openembedded.dev
Commit: e808acf97b4feb88554b8e66c4484ad9ffcdd7db
URL: http://gitweb.openembedded.net/?p=openembedded.git&a=commit;h=e808acf97b4feb88554b8e66c4484ad9ffcdd7db
Author: Koen Kooi <koen at openembedded.org>
Date: Tue Mar 31 18:21:25 2009 +0200
linux-omap 2.6.29: disable alignment trapping completely for omap3board
* runtime tested on omapzoom and beagleboard
---
.../linux/linux-omap-2.6.29/beagleboard/defconfig | 2 +-
.../linux-omap-2.6.29/fix-unaligned-access.diff | 41 ++++++++++++++++++++
.../linux-omap-2.6.29/make-alignment-visible.diff | 26 ++++++++++++
.../linux-omap-2.6.29/omap3-pandora/defconfig | 2 +-
recipes/linux/linux-omap-2.6.29/omap3evm/defconfig | 2 +-
recipes/linux/linux-omap-2.6.29/omapzoom/defconfig | 2 +-
recipes/linux/linux-omap_2.6.29.bb | 4 +-
7 files changed, 74 insertions(+), 5 deletions(-)
diff --git a/recipes/linux/linux-omap-2.6.29/beagleboard/defconfig b/recipes/linux/linux-omap-2.6.29/beagleboard/defconfig
index f6c503c..2292ae2 100644
--- a/recipes/linux/linux-omap-2.6.29/beagleboard/defconfig
+++ b/recipes/linux/linux-omap-2.6.29/beagleboard/defconfig
@@ -288,7 +288,7 @@ CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
CONFIG_UNEVICTABLE_LRU=y
CONFIG_LEDS=y
-CONFIG_ALIGNMENT_TRAP=y
+CONFIG_ALIGNMENT_TRAP=n
#
# Boot options
diff --git a/recipes/linux/linux-omap-2.6.29/fix-unaligned-access.diff b/recipes/linux/linux-omap-2.6.29/fix-unaligned-access.diff
new file mode 100644
index 0000000..c82090f
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/fix-unaligned-access.diff
@@ -0,0 +1,41 @@
+From: Mans Rullgard <mans at mansr.com>
+Date: Sat, 28 Mar 2009 12:54:25 +0000 (+0000)
+Subject: NSM: Fix unaligned accesses in nsm_init_private()
+X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=8f2bd6fdde1ebfef57f65b6cf29b29008c23d297
+
+NSM: Fix unaligned accesses in nsm_init_private()
+
+This fixes unaligned accesses in nsm_init_private() when
+creating nlm_reboot keys.
+
+Signed-off-by: Mans Rullgard <mans at mansr.com>
+---
+
+diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
+index 5e2c4d5..6d5d4a4 100644
+--- a/fs/lockd/mon.c
++++ b/fs/lockd/mon.c
+@@ -16,6 +16,8 @@
+ #include <linux/sunrpc/svc.h>
+ #include <linux/lockd/lockd.h>
+
++#include <asm/unaligned.h>
++
+ #define NLMDBG_FACILITY NLMDBG_MONITOR
+ #define NSM_PROGRAM 100024
+ #define NSM_VERSION 1
+@@ -274,10 +276,12 @@ static void nsm_init_private(struct nsm_handle *nsm)
+ {
+ u64 *p = (u64 *)&nsm->sm_priv.data;
+ struct timespec ts;
++ s64 ns;
+
+ ktime_get_ts(&ts);
+- *p++ = timespec_to_ns(&ts);
+- *p = (unsigned long)nsm;
++ ns = timespec_to_ns(&ts);
++ put_unaligned(ns, p);
++ put_unaligned((unsigned long)nsm, p + 1);
+ }
+
+ static struct nsm_handle *nsm_create_handle(const struct sockaddr *sap,
diff --git a/recipes/linux/linux-omap-2.6.29/make-alignment-visible.diff b/recipes/linux/linux-omap-2.6.29/make-alignment-visible.diff
new file mode 100644
index 0000000..9b3958f
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/make-alignment-visible.diff
@@ -0,0 +1,26 @@
+From: Mans Rullgard <mans at mansr.com>
+Date: Mon, 13 Oct 2008 19:32:16 +0000 (+0100)
+Subject: ARM: Add prompt for CONFIG_ALIGNMENT_TRAP
+X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=60d60f0ca47fcf4fbb649e45aa64f5a0a4c2f2c8
+
+ARM: Add prompt for CONFIG_ALIGNMENT_TRAP
+
+This adds a prompt text for CONFIG_ALIGNMENT_TRAP, thus making it
+visible in make *config.
+
+Signed-off-by: Mans Rullgard <mans at mansr.com>
+---
+
+diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
+index 61314f6..18d3119 100644
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -971,7 +971,7 @@ config LEDS_CPU
+ will overrule the CPU usage LED.
+
+ config ALIGNMENT_TRAP
+- bool
++ bool "Enable alignment trap"
+ depends on CPU_CP15_MMU
+ default y if !ARCH_EBSA110
+ help
diff --git a/recipes/linux/linux-omap-2.6.29/omap3-pandora/defconfig b/recipes/linux/linux-omap-2.6.29/omap3-pandora/defconfig
index 5db83f0..8ac420c 100644
--- a/recipes/linux/linux-omap-2.6.29/omap3-pandora/defconfig
+++ b/recipes/linux/linux-omap-2.6.29/omap3-pandora/defconfig
@@ -298,7 +298,7 @@ CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
CONFIG_UNEVICTABLE_LRU=y
CONFIG_LEDS=y
-CONFIG_ALIGNMENT_TRAP=y
+CONFIG_ALIGNMENT_TRAP=n
#
# Boot options
diff --git a/recipes/linux/linux-omap-2.6.29/omap3evm/defconfig b/recipes/linux/linux-omap-2.6.29/omap3evm/defconfig
index da5a8c4..da72671 100644
--- a/recipes/linux/linux-omap-2.6.29/omap3evm/defconfig
+++ b/recipes/linux/linux-omap-2.6.29/omap3evm/defconfig
@@ -298,7 +298,7 @@ CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
CONFIG_UNEVICTABLE_LRU=y
CONFIG_LEDS=y
-CONFIG_ALIGNMENT_TRAP=y
+CONFIG_ALIGNMENT_TRAP=n
#
# Boot options
diff --git a/recipes/linux/linux-omap-2.6.29/omapzoom/defconfig b/recipes/linux/linux-omap-2.6.29/omapzoom/defconfig
index d2d2ee5..aa11eb0 100644
--- a/recipes/linux/linux-omap-2.6.29/omapzoom/defconfig
+++ b/recipes/linux/linux-omap-2.6.29/omapzoom/defconfig
@@ -291,7 +291,7 @@ CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
CONFIG_UNEVICTABLE_LRU=y
# CONFIG_LEDS is not set
-CONFIG_ALIGNMENT_TRAP=y
+CONFIG_ALIGNMENT_TRAP=n
#
# Boot options
diff --git a/recipes/linux/linux-omap_2.6.29.bb b/recipes/linux/linux-omap_2.6.29.bb
index f5c20ba..a74bd62 100644
--- a/recipes/linux/linux-omap_2.6.29.bb
+++ b/recipes/linux/linux-omap_2.6.29.bb
@@ -10,7 +10,7 @@ DEFAULT_PREFERENCE = "-1"
SRCREV = "90e758af52ba803cba233fabee81176d99589f09"
-PR = "r2+gitr${SRCREV}"
+PR = "r3+gitr${SRCREV}"
SRC_URI = "git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git;protocol=git \
file://defconfig"
@@ -22,6 +22,8 @@ SRC_URI_append = " \
file://fix-install.patch;patch=1 \
file://DSS2.diff;patch=1 \
file://0001-board-ldp-add-regulator-info-to-get-the-microSD-slo.patch;patch=1 \
+ file://fix-unaligned-access.diff;patch=1 \
+ file://make-alignment-visible.diff;patch=1 \
"
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