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authorLaurent Meyer <meyerlau@fr.ibm.com>2006-04-27 18:40:07 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-28 08:33:47 -0700
commit28f223782bca914ae65d08234c57c2175ecd7f5d (patch)
tree17100f49e1e1b0c11bfa6f817b412363407d20e3 /drivers
parent6dcfca78d4c036c9d012f913e2a622aae218827f (diff)
[PATCH] s390: alternate signal stack handling bug
If a signal handler has been established with the SA_ONSTACK option but no alternate stack is provided with sigaltstack(), the kernel still tries to install the alternate stack. Also when setting an alternate stack with sigalstack() and the SS_DISABLE flag, the kernel tries to install the alternate stack on signal delivery. Use the correct conditions sas_ss_flags() to check if the alternate stack has to be used. Signed-off-by: Laurent Meyer <meyerlau@fr.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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