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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-21 17:55:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-21 17:55:48 -0800
commit27ea6dfdc23e5e96e324d6cb3488528c14e4a7f7 (patch)
treef3a77ed29e1cecd1f401b86384b322f1b005ef0b
parent81ec44a6c69342fec1b1140c60a604027e429f69 (diff)
parentcc883afcc02e1c9c8ab64d20f0288355b857f966 (diff)
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Merge tag 'please-pull-misc-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull misc ia64 bits from Tony Luck. * tag 'please-pull-misc-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: MAINTAINERS: update SGI & ia64 Altix stuff sysctl: Enable IA64 "ignore-unaligned-usertrap" to be used cross-arch
-rw-r--r--MAINTAINERS11
-rw-r--r--arch/ia64/Kconfig1
-rw-r--r--init/Kconfig7
-rw-r--r--kernel/sysctl.c9
4 files changed, 17 insertions, 11 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 73b7d50..a92f485 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6841,7 +6841,8 @@ S: Supported
F: drivers/net/ethernet/sfc/
SGI GRU DRIVER
-M: Jack Steiner <steiner@sgi.com>
+M: Dimitri Sivanich <sivanich@sgi.com>
+M: Robin Holt <holt@sgi.com>
S: Maintained
F: drivers/misc/sgi-gru/
@@ -7036,14 +7037,6 @@ L: linux-fbdev@vger.kernel.org
S: Maintained
F: drivers/video/smscufx.c
-SN-IA64 (Itanium) SUB-PLATFORM
-M: Jes Sorensen <jes@sgi.com>
-L: linux-altix@sgi.com
-L: linux-ia64@vger.kernel.org
-W: http://www.sgi.com/altix
-S: Maintained
-F: arch/ia64/sn/
-
SOC-CAMERA V4L2 SUBSYSTEM
M: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
L: linux-media@vger.kernel.org
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index c1b80fb..c90366e 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -39,6 +39,7 @@ config IA64
select ARCH_THREAD_INFO_ALLOCATOR
select ARCH_CLOCKSOURCE_DATA
select GENERIC_TIME_VSYSCALL_OLD
+ select SYSCTL_ARCH_UNALIGN_NO_WARN
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
default y
diff --git a/init/Kconfig b/init/Kconfig
index 335a1f6..28c5b9d 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1229,6 +1229,13 @@ config SYSCTL_EXCEPTION_TRACE
help
Enable support for /proc/sys/debug/exception-trace.
+config SYSCTL_ARCH_UNALIGN_NO_WARN
+ bool
+ help
+ Enable support for /proc/sys/kernel/ignore-unaligned-usertrap
+ Allows arch to define/use @no_unaligned_warning to possibly warn
+ about unaligned access emulation going on under the hood.
+
config KALLSYMS
bool "Load all symbols for debugging/ksymoops" if EXPERT
default y
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 4fc9be9..467d8b9 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -162,10 +162,13 @@ extern int unaligned_enabled;
#endif
#ifdef CONFIG_IA64
-extern int no_unaligned_warning;
extern int unaligned_dump_stack;
#endif
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
+extern int no_unaligned_warning;
+#endif
+
#ifdef CONFIG_PROC_SYSCTL
static int proc_do_cad_pid(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
@@ -919,7 +922,7 @@ static struct ctl_table kern_table[] = {
.proc_handler = proc_doulongvec_minmax,
},
#endif
-#ifdef CONFIG_IA64
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
{
.procname = "ignore-unaligned-usertrap",
.data = &no_unaligned_warning,
@@ -927,6 +930,8 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
+#endif
+#ifdef CONFIG_IA64
{
.procname = "unaligned-dump-stack",
.data = &unaligned_dump_stack,
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