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99a9dc98ba
The intel_bts driver does not use the 'normal' BTS buffer which is exposed
through the cpu_entry_area but instead uses the memory allocated for the
perf AUX buffer.
This obviously comes apart when using PTI because then the kernel mapping;
which includes that AUX buffer memory; disappears. Fixing this requires to
expose a mapping which is visible in all context and that's not trivial.
As a quick fix disable this driver when PTI is enabled to prevent
malfunction.
Fixes:
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---|---|---|
.. | ||
bts.c | ||
core.c | ||
cstate.c | ||
ds.c | ||
knc.c | ||
lbr.c | ||
Makefile | ||
p4.c | ||
p6.c | ||
pt.c | ||
pt.h | ||
rapl.c | ||
uncore.c | ||
uncore.h | ||
uncore_nhmex.c | ||
uncore_snb.c | ||
uncore_snbep.c |