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author | Carsten Otte <cotte@de.ibm.com> | 2010-05-17 08:00:04 (GMT) |
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committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-05-17 08:00:15 (GMT) |
commit | cd3b70f5d4d82f85d1e1d6e822f38ae098cf7c72 (patch) | |
tree | aa394e63d300312bece2afb53a53dfd93a0f5f23 /arch/s390/include/asm/lowcore.h | |
parent | 6377981faf1a4425b0531e577736ef03df97c8f6 (diff) | |
download | linux-cd3b70f5d4d82f85d1e1d6e822f38ae098cf7c72.tar.xz |
[S390] virtualization aware cpu measurement
Use the SPP instruction to set a tag on entry to / exit of the virtual
machine context. This allows the cpu measurement facility to distinguish
the samples from the host and the different guests.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/lowcore.h')
-rw-r--r-- | arch/s390/include/asm/lowcore.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index 2c02d46..0f97ef2 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -267,7 +267,8 @@ struct _lowcore { __u64 vdso_per_cpu_data; /* 0x0358 */ __u64 machine_flags; /* 0x0360 */ __u64 ftrace_func; /* 0x0368 */ - __u8 pad_0x0370[0x0380-0x0370]; /* 0x0370 */ + __u64 sie_hook; /* 0x0370 */ + __u64 cmf_hpp; /* 0x0378 */ /* Interrupt response block. */ __u8 irb[64]; /* 0x0380 */ |