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(parent: ccf45ca) | patch
[S390] add TIF_SYSCALL thread flag
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Sun, 30 Oct 2011 14:16:49 +0000 (15:16 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Sun, 30 Oct 2011 14:16:43 +0000 (15:16 +0100)
commitb6ef5bb3d93efb95ba855a628740375c2280a59e
treefc26947a0111c7e71085a81e26f12c815f3f4c09tree | snapshot (tar.gz zip)
parentccf45cafb0805978e6f13a672caca0e536e87cadcommit | diff
[S390] add TIF_SYSCALL thread flag

Add an explicit TIF_SYSCALL bit that indicates if a task is inside
a system call. The svc_code in the pt_regs structure is now only
valid if TIF_SYSCALL is set. With this definition TIF_RESTART_SVC
can be replaced with TIF_SYSCALL. Overall do_signal is a bit more
readable and it saves a few lines of code.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/syscall.h diff | blob | blame | history
arch/s390/include/asm/thread_info.h diff | blob | blame | history
arch/s390/kernel/compat_signal.c diff | blob | blame | history
arch/s390/kernel/entry.S diff | blob | blame | history
arch/s390/kernel/entry64.S diff | blob | blame | history
arch/s390/kernel/ptrace.c diff | blob | blame | history
arch/s390/kernel/signal.c diff | blob | blame | history