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	Commit message (Collapse)	Author	Age	Files	Lines
*	powerpc/perf: Add basic assembly code to read BHRB entries on POWER8	Anshuman Khandual	2013-04-26	1	-0/+44
	This patch adds the basic assembly code to read BHRB buffer. BHRB entries are valid only after a PMU interrupt has happened (when MMCR0[PMAO]=1) and BHRB has been freezed. BHRB read should not be attempted when it is still enabled (MMCR0[PMAE]=1) and getting updated, as this can produce non-deterministic results. Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>