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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-18 15:12:24 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-15 23:16:05 +0530 |
| commit | bf14e3b979a01cd7298d631736f965fe83c6e2bc (patch) | |
| tree | 8440a0641556332763615edc881f81d1da6f2d37 /init | |
| parent | 4d86dfbbda09b3c67bcaeb370f22a2cc7f39205b (diff) | |
| download | lwn-bf14e3b979a01cd7298d631736f965fe83c6e2bc.tar.gz lwn-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 'init')
| -rw-r--r-- | init/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index be8b7f55312d..01180da49add 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1232,6 +1232,14 @@ config SYSCTL_EXCEPTION_TRACE help Enable support for /proc/sys/debug/exception-trace. +config SYSCTL_ARCH_UNALIGN_ALLOW + bool + help + Enable support for /proc/sys/kernel/unaligned-trap + Allows arches to define/use @unaligned_enabled to runtime toggle + the unaligned access emulation. + see arch/parisc/kernel/unaligned.c for reference + config KALLSYMS bool "Load all symbols for debugging/ksymoops" if EXPERT default y |