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2017-12-05s390: add a few more SPDX identifiersMartin Schwidefsky1-0/+1
Add the correct SPDX license to a few more files under arch/s390 and drivers/s390 which have been missed to far. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2017-11-16s390/perf: extend perf_regs support to include floating-point registersHendrik Brueckner1-0/+16
Extend the perf register support to also export floating-point register contents for user space tasks. Floating-point registers might be used in leaf functions to contain the return address. Hence, they are required for proper DWARF unwinding. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-and-tested-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2017-11-16s390/perf: add perf_regs support and user stack dumpHeiko Carstens1-0/+27
Add s390 support to dump user stack to user space for DWARF stack unwinding. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-and-tested-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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