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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-18 10:42:24 +0100 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-15 18:46:05 +0100 |
| commit | bf14e3b979a01cd7298d631736f965fe83c6e2bc (patch) | |
| tree | 8440a0641556332763615edc881f81d1da6f2d37 /kernel | |
| parent | ARC: kprobes support (diff) | |
| download | linux-bf14e3b979a01cd7298d631736f965fe83c6e2bc.tar.xz linux-bf14e3b979a01cd7298d631736f965fe83c6e2bc.zip | |
sysctl: Enable PARISC "unaligned-trap" to be used cross-arch
PARISC defines /proc/sys/kernel/unaligned-trap to runtime toggle
unaligned access emulation.
The exact mechanics of enablig/disabling are still arch specific, we can
make the sysctl usable by other arches.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Serge Hallyn <serge.hallyn@canonical.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sysctl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index c88878db491e..878b4c41cfb7 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -157,6 +157,9 @@ extern int sysctl_tsb_ratio; #ifdef __hppa__ extern int pwrsw_enabled; +#endif + +#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW extern int unaligned_enabled; #endif @@ -545,6 +548,8 @@ static struct ctl_table kern_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, +#endif +#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW { .procname = "unaligned-trap", .data = &unaligned_enabled, |