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IBS_OP_DATA2 DataSrc provides detail about location of the data
being accessed from by load ops. Define macros for legacy and
extended DataSrc values.
Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220928095805.596-3-ravi.bangoria@amd.com
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IBS support has been enhanced with two new features in upcoming uarch:
1. DataSrc extension and
2. L3 miss filtering.
Additional set of bits has been introduced in IBS registers to use these
features. Define these new bits into arch/x86/ header.
[ bp: Massage commit message. ]
Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20220604044519.594-7-ravi.bangoria@amd.com
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s/IBS Op Data 2/IBS Op Data 1/ for MSR 0xc0011035.
Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220509044914.1473-9-ravi.bangoria@amd.com
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Add <asm/amd-ibs.h> with bitfield definitions for IBS MSRs,
and demonstrate usage within the driver.
Also move 'struct perf_ibs_data' where it can be shared with
the perf tool that will soon be using it.
No functional changes.
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210817221048.88063-9-kim.phillips@amd.com
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