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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2011-12-01 12:32:18 (GMT)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-12-01 12:32:17 (GMT)
commitcfc9066bcd3ab498268e1d075f1556bb5244c0aa (patch)
tree0a59ce69ce1787622564b30097fdacd6619645cf /drivers
parentb934069c991355d27a053a932591c77960f4e414 (diff)
downloadlinux-fsl-qoriq-cfc9066bcd3ab498268e1d075f1556bb5244c0aa.tar.xz
[S390] remove reset of system call restart on psw changes
git commit 20b40a794baf3b4b "signal race with restarting system calls" added code to the poke_user/poke_user_compat to reset the system call restart information in the thread-info if the PSW address is changed. The purpose of that change has been to workaround old gdbs that do not know about the REGSET_SYSTEM_CALL. It turned out that this is not a good idea, it makes the behaviour of the debuggee dependent on the order of specific ptrace call, e.g. the REGSET_SYSTEM_CALL register set needs to be written last. And the workaround does not really fix old gdbs, inferior calls on interrupted restarting system calls do not work either way. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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