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s390/cpumf: Support for CPU Measurement Sampling Facility LS bit
authorThomas Richter <tmricht@linux.ibm.com>
Thu, 13 Jan 2022 11:51:56 +0000 (12:51 +0100)
committerHeiko Carstens <hca@linux.ibm.com>
Mon, 17 Jan 2022 13:13:08 +0000 (14:13 +0100)
commit745f5d20e7936931f924410f32d8b0e599b5990e
treeaa458f3516f9a4ccb2a6d1316e3c3f693ad1d823
parenta87b0fd4f9003f8521226e226cf92b18147b3519
s390/cpumf: Support for CPU Measurement Sampling Facility LS bit

Adds support for the CPU Measurement Sampling Facility limit sampling
bit in the sampling device driver.
Limited samples have no valueable information are not collected.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
arch/s390/include/asm/cpu_mf.h
arch/s390/kernel/perf_cpum_sf.c