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sysctl: Enable PARISC "unaligned-trap" to be used cross-arch

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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 <[email protected]>
Acked-by: Helge Deller <[email protected]>
Cc: "James E.J. Bottomley" <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Serge Hallyn <[email protected]>
This commit is contained in:
Vineet Gupta 2013-01-18 15:12:24 +05:30
commit bf14e3b979
3 changed files with 14 additions and 0 deletions
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8
init/Kconfig
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@ -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