linux

Vladimir Murzin 9f285205f1 ARM: 8226/1: cacheflush: get rid of restarting block commit `3f4aa45cee` upstream. We cannot restart cacheflush safely if a process provides user-defined signal handler and signal is pending. In this case -EINTR is returned and it is expected that process re-invokes syscall. However, there are a few problems with that: * looks like nobody bothers checking return value from cacheflush * but if it did, we don't provide the restart address for that, so the process has to use the same range again * ...and again, what might lead to looping forever So, remove cacheflush restarting code and terminate cache flushing as early as fatal signal is pending. Reported-by: Chanho Min <chanho.min@lge.com> Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		History 2014-12-06 15:55:37 -08:00
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asm	ARM: 8226/1: cacheflush: get rid of restarting block	2014-12-06 15:55:37 -08:00
debug	i.MX SoC changes for 3.14:	2014-01-02 12:10:12 -08:00
uapi/asm	ARM: 8097/1: unistd.h: relocate comments back to place	2014-09-05 16:34:13 -07:00